TORONTO, ON -- An invasive ant species that has become increasingly abundant in eastern North America not only takes over yards and delivers a nasty sting, it’s helping the spread of an invasive plant species.  The ants are very effective dispersers of invasive plant seeds and new research suggests that together they could wreak havoc on native ecosystems.

University of Toronto researchers have found that the European fire ant, Myrmica rubra, disperses seeds of both native and invasive plants, but it does a much better job of helping an invasive plant to spread.

“Ecologists think invasive species might help each other to spread, but there are few good examples. They talk about ‘invasional meltdown,’ because ecosystems could be very, very rapidly taken over by invasive species if invaders help each other out,” said evolutionary biologist Megan Frederickson, one of the authors of the study, published in the journal Proceedings of the Royal Society B. “Our results suggest that invasional meltdown could be happening right under our noses, here in Ontario.”

The research was conducted at U of T’s field station, the Koffler Scientific Reserve at Jokers Hill (ksr.utoronto.ca). The team created artificial ecological communities – mesocosms – inside 42 small plastic children’s swimming pools.

The researchers filled each pool with soil and planted four species of spring wildflowers  --three native species (sharp-lobed hepatica, Canadian wild ginger and bloodroot) and one invasive species: greater celandine. They then collected colonies of either the European fire ant or a native woodland ant and added the colonies to the pools. The ants picked up and moved seeds of these plant species and the researchers watched what happened.

“The pools with the invasive ant were overrun by the invasive plant, but pools with the native ant had lots of native plants,” says co-author and ecologist Kirsten Prior. The invasive ant moved lots of seeds of all four plant species, but the invasive plant took advantage of being dispersed more than the other species and recruited in very large numbers.

“Unfortunately, as a result of humans rapidly moving species around the globe through trade and traffic, most ecosystems are now home to numerous invasive species,” said Prior. “Our finding that multiple invasive species can accelerate invasion and cause ecosystems to become dominated by invasive species is a troubling one. Invasive species are a leading threat to natural ecosystems, and can have impacts on society. Research on how ecosystems become invaded and the consequences of invasion is important. It sets us on the right path to develop solutions to reduce the spread and impact of these harmful species.”

Other research team members included undergraduate students Jennifer Robinson and Shannon Meadley Dunphy.  Research was funded by the Natural Sciences and Engineering Research Council and the Ontario Ministry of Economic Development and Innovation.

Images and paper at uoft.me/invasive-species

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MEDIA CONTACTS:

Kirsten Prior Department of Biology University of Florida priorkm@gmail.com priorkm.weebly.com Cell/Mobile: + 254-202- 639-251 *  Kirsten is in Kenya . Note that Kenya is 8 hours ahead of Toronto time.

Megan Frederickson Department of Ecology & Evolutionary Biology University of Toronto Cell/Mobile: +1 647-224-4449 m.frederickson@utoronto.ca mutualism.ca

Kim Luke Communications, Faculty of Arts & Science University of Toronto Tel: 416-978-4352 Kim.luke@utoronto.ca

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KOOTENAY NATIONAL PARK, BRITISH COLUMBIA - Yoho National Park’s 505-million-year-old Burgess Shale – home to some of the planet’s earliest animals, including a very primitive human relative – is one of the world’s most important fossil sites. Now, more than a century after its discovery, a compelling sequel has been unearthed: 42 kilometres away in Kootenay National Park, a new Burgess Shale fossil site has been located that appears to equal the importance of the original discovery, and may one day even surpass it. The find was made in the summer of 2012 by a team from the Royal Ontario Museum (ROM, Jean-Bernard Caron), Pomona College (Robert Gaines), the University of Toronto (Jean-Bernard Caron, Cédric Aria), the University of Saskatchewan (Gabriela Mángano) and Uppsala University (Michael Streng). A paper published today in the prestigious scientific journal Nature Communications describes Kootenay National Park’s new ‘Marble Canyon’ fossil beds for the first time. The authors suggest that the area and its extraordinary fossils will greatly further our understanding of the sudden explosion of animal life during the Cambrian Period. The new fossil site is protected by Parks Canada, with the exact location remaining confidential to protect its integrity, though future visitor opportunities have not been ruled out. The ROM is especially proud of this discovery as it comes in a year the organization celebrates its 100th anniversary. Quick Facts
  • This new finding is the latest in a recent string of Burgess Shale discoveries, including confirmation that Pikaia, found only in Yoho National Park, is the most primitive known vertebrate and therefore the ancestor of all descendant vertebrates, including humans.
  • In over 100 years of research, approximately 200 animal species have been identified at the original Burgess Shale discovery in Yoho National Park in over 600 field days. In just 15 days of field collecting, 50 animal species have already been unearthed at the new Kootenay National Park site.
  • Some species found at the new Kootenay site are also found in China’s famous Chengjiang fossil beds, which are 10 million years older. This contributes to the pool of evidence suggesting that the local and worldwide distribution of Cambrian animals, as well as their longevity, might have been underestimated.
Explore and Discover
  • Explore the ROM/Parks Canada award winning website about Burgess Shale www.burgess-shale.rom.on.ca
  • Discover more about the Burgess Shale in Yoho and Kootenay national parks by visiting www.pc.gc.ca/burgessshale
  • Follow on Twitter with hashtag #BurgessShale or follow @ParksCanada or @ROMToronto
Quotes “This new discovery is an epic sequel to a research story that began at the turn of the previous century, and there is no doubt in my mind that this new material will significantly increase our understanding of early animal evolution. The rate at which we are finding animals – many of which are new – is astonishing, and there is a high possibility that we’ll eventually find more species here than at the original Yoho National Park site, and potentially more than from anywhere else in the world. We are very excited to go back to the field this summer, during the ROM’s Centennial year, with one of our main goals being to increase the number of new species discovered.” Dr. Jean-Bernard Caron Curator of Invertebrate Paleontology at the Royal Ontario Museum, Associate Professor at the University of Toronto and the study’s lead author “We were already aware of the presence of some Burgess Shale fossils in Kootenay National Park. We had a hunch that if we followed the formation along the mountain topography into new areas with the right rock types, maybe, just maybe, we would get lucky – though we never in our wildest dreams thought we’d track down a motherload like this. It didn’t take us very long at all to realize that we had dug up something special. To me, the Burgess Shale is a grand tale in every way imaginable, and we are incredibly proud to be part of this new chapter and to keep the story alive and thriving in everyone’s imagination.” Dr. Robert Gaines Geologist, Pomona College “The Burgess Shale is a tremendously rich resource important to our understanding of the development of life on this planet. Parks Canada is immensely proud to provide access to the fossils for cutting edge research such as this, for our award-winning guided hikes, and to protect forever these fossils in a national park and UNESCO World Heritage Site.” Melanie Kwong Parks Canada’s Superintendent responsible for the Burgess Shale

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Journal Article Related Online Products Contacts Dr. Jean-Bernard Caron (bilingual – English-French) Curator of Invertebrate Palaeontology, Royal Ontario Museum Associate Professor in the Department of Ecology and Evolutionary Biology and the Department of Earth Sciences, University of Toronto 416 586 5593; jcaron@rom.on.ca Dr. Robert Gaines Associate Professor of Geology, Pomona College Office: 909 621 8674, Cell: 909 451 3073; robert.gaines@pomona.edu Dr. Michael Streng Department of Earth Sciences, Uppsala University +46 70-9622588 or +46 18-4712579; michael.streng@geo.uu.se David McKay Communications Coordinator Royal Ontario Museum 416 586 5559; davidm@rom.on.ca Jennifer Thoma Media Relations Specialist University of Saskatchewan 306-966-1851; jennifer.thoma@usask.ca Omar McDadi (bilingual – English-French) Public Relations and Communications Officer Yoho and Kootenay national parks 403 760 1090; omar.mcdadi@pc.gc.ca

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+1 (416) 978-0100

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media.relations@utoronto.ca

U of T in the News

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TORONTO, ON – A new comprehensive modeling assessment of contamination in the Athabasca Oil Sands Region indicates that officially reported emissions of certain hazardous air pollutants have been greatly underestimated. The results of the assessment, which was carried out by University of Toronto Scarborough Environmental Chemistry professor Frank Wania and his PhD candidate Abha Parajulee, will be published in the Proceedings of the National Academy of Science Monday, February 3 2014. The study constitutes the most comprehensive such model that has been done for the Oil Sands Region. The team used a model to assess the plausibility of reported emissions of a group of atmospheric pollutants known as polycyclic aromatic hydrocarbons (PAHs). Many PAHs are highly carcinogenic. “When dealing with chemicals that have the potential to harm people and animals, it is vital that we have a good understanding of how, and how much they are entering the environment,” said Parajulee, the lead author of the paper. PAHs are released during the process of extracting petroleum from the oil sands. Environmental Impact Assessments have so far only considered the PAHs that are released directly into the atmosphere. The risk associated with those direct releases was judged to fall within acceptable regulatory limits. The model used by Parajulee and Wania takes into account other indirect pathways for the release of PAHs that hadn’t been assessed before or were deemed negligible. For instance, they found that evaporation from tailings ponds – lakes of polluted water also created through oil sands processing – may actually introduce more PAHs into the atmosphere than direct emissions. “Tailings ponds are not the end of the journey for many of the pollutants they contain. Some PAHs are volatile, meaning they escape into the air much more than many people think,” says Parajulee. (pictured seated at right with Wania). The higher levels of PAHs the UTSC scientists’ model predicts when accounting for emissions from tailings ponds are consistent with what has actually been measured in samples taken from areas near and in the Athabasca Oil Sands Region. The authors also found, however, that tailings ponds emissions are likely not significant contributors of relatively involatile PAHs to the Oil Sands Region atmosphere. Instead, other emissions sources not taken into account by the environmental impact assessment, such as blowing dust, are probably more important for these chemicals. The pair of researchers modeled only three PAHs, which they believe are representative of others. Still, they say, their model indicates better monitoring data and emissions information are needed to improve our understanding of the environmental impact of the oil sands even further. “Our study implies that PAH concentrations in air, water, and food, that are estimated as part of environmental impact assessments of oil sands mining operations are very likely too low,” says Wania. “Therefore the potential risks to humans and wildlife may also have been underestimated.”

-30-

Contact: Abha Parajulee PhD Candidate UTSC Department of Environmental Science Tel: 416-287-7506 a.parajulee@mail.utoronto.ca Media contact: Don Campbell Media Relations Officer University of Toronto Scarborough Tel: 416-208-2938 dcampbell@utsc.utoronto.ca

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General Inquiries
+1 (416) 978-0100

Email
media.relations@utoronto.ca

U of T in the News

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I had to decide whether to take my academic career to Canada. Donald Trump made it an easy choice

Jerry Flores of UTM discusses what influenced his decision to come to U of T. Read more. 

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Alfredo Barrera-Guzmán and Jason Weir of UTSC explain how certain birds diversified into several distinct species. Read more. 

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TORONTO, ON - Hummingbird metabolism is a marvel of evolutionary engineering. These tiny birds can power all of their energetic hovering flight by burning the sugar contained in the floral nectar of their diet. Now new research from the University of Toronto Scarborough shows they are equally adept at burning both glucose and fructose, which are the individual components of sugar; a unique trait other vertebrates cannot achieve. “Hummingbirds have an optimal fuel-use strategy that powers their high-energy lifestyle, maximizes fat storage, and minimizes unnecessary weight gain all at the same time,” says Kenneth Welch, assistant professor of biological sciences at UTSC and an expert on hummingbirds. Welch and his graduate student Chris Chen, who is co-author on the research, fed hummingbirds separate enriched solutions of glucose and fructose while collecting exhaled breath samples. They found the birds were able to switch from burning glucose to fructose equally as well. “What’s very surprising is that unlike mammals such as humans, who can’t rely on fructose to power much of their exercise metabolism, hummingbirds use it very well. In fact, they are very happy using it and can use it just as well as glucose,” says Welch. Hummingbirds require an incredible amount of energy to flap their wings 50 times or more per second in order to maintain hovering flight. In fact, if a hummingbird were the size of a human, it would consume energy at a rate more than 10 times that of an Olympic marathon runner. They are able to accomplish this by burning only the most recently ingested sugar in their muscles while avoiding the energetic tax of first converting sugar into fat. From an evolutionary perspective the findings make perfect sense, says Welch. Whereas humans evolved over time on a complex diet, hummingbirds evolved on a diet rich in sugar. “Hummingbirds are able to move sugar from their blood to their muscles at very fast rates, but we don’t yet fully understand how they are able to do this,” he says. Humans are not good at burning fructose because once ingested much of it gets taken into the liver where it’s turned into fat. The prevalence of high fructose corn syrup found in products like soda pop is also strongly linked to a rise in obesity rates. On the other hand because hummingbirds burn sugar so fast that if they were the size of an average person they would need to drink more than one can of soda every minute even though it's mostly made of high-fructose corn syrup. “If we can gain insights on how hummingbirds cope with an extreme diet then maybe it can shed some light on what goes wrong in us when we have too much fructose in our diet,” says Welch. The research will appear in the upcoming edition of the journal Functional Ecology and is currently available online. Watch the companion video on YouTube.

 -30-

Media Contact: Don Campbell Media & Relations Officer University of Toronto Scarborough Phone: 416-208-2938 dcampbell@utsc.utoronto.ca

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Toronto, ON – Ontario’s Ministry of Transportation should revise its policy and allow experienced drivers from war-torn countries to skip the one-year waiting period before their final driving tests - an exemption available to other newcomers in Ontario as well as refugees in other provinces, the International Human Rights Program at the University of Toronto’s Faculty of Law (IHRP) said today. Under the current policy, the Government of Ontario is discriminating against refugees from Syria and other conflict zones by effectively…

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Toronto, ON – A new partnership has been launched at the University of Toronto’s Rotman School of Management to promote and develop initiatives for students and faculty in the area of financial innovation across all of the school’s programs. The Rotman Financial Innovation Hub in Advanced Analytics (Rotman FinHub) will create new classes and learning opportunities for students in financial innovation including machine learning and blockchain in the school’s MBA, Master of Finance, and Master of Financial Risk Management programs…

November 20, 2017

Rotman MBAS Win International Private Equity Competition

Toronto, ON – For the second week in a row a team of Full Time MBA students from the University of Toronto’s Rotman School of Management have won a prestigious international competition. On Saturday, the Rotman students won the Rotterdam School of Management Private Equity Competition in Amsterdam defeating teams from INSEAD, IESE and Georgetown University in the final round. This year, the case involved candidates in a live transaction, centered around a 91-year old Dutch retailer, HEMA, where the private…

November 17, 2017

U of T celebrates the opening of One Spadina Crescent

Toronto, ON – Today, the John H. Daniels Faculty of Architecture, Landscape, and Design celebrated the official opening of its new home — the Daniels Building — at historic One Spadina Crescent. Located on the western edge of the University of Toronto’s St. George campus just north of College Street, the iconic neo-gothic building and stunning contemporary addition, currently nearing completion, is now poised to become an international focal point for education, research, and outreach on architecture, art, and the…

November 14, 2017

Rotman School Professor and Former Dean Named as Most Influential Management Thinker in the World

Toronto, ON – A professor and former Dean of the University of Toronto’s Rotman School of Management was named as the number one management thinker in the world by Thinkers50, the premier ranking of global business thinkers. Prof. Roger Martin, the former Dean of the Rotman School from 1998 to 2012, received the honour during an awards gala in London, UK last night. A second Rotman faculty member, Prof. Richard Florida placed 19th on the list of the top fifty…

November 13, 2017

Rotman MBA Students Win Kellogg Business Design Challenge

Toronto, ON – A team of MBA students from the University of Toronto’s Rotman School of Management have won the Kellogg Business Design Challenge hosted by the Kellogg School of Management’s Innovation and Design Association. The long-running competition, which invites students to apply design thinking to a real-world business challenge, was opened up to teams outside the Kellogg School for the first time this year. The Rotman team, Lorem Ipsum, consisting of Full Time MBA students Amarpreet Kaur, MBA’19; Fifile Nguyen, MBA’19,…

See all news releases

General Inquiries
+1 (416) 978-0100

Email
media.relations@utoronto.ca

U of T in the News

Toronto Life | January 5, 2017

I had to decide whether to take my academic career to Canada. Donald Trump made it an easy choice

Jerry Flores of UTM discusses what influenced his decision to come to U of T. Read more. 

New York Times | January 4, 2017

The strange origin of a manakin’s golden crown

Alfredo Barrera-Guzmán and Jason Weir of UTSC explain how certain birds diversified into several distinct species. Read more. 

The Globe and Mail | January 3, 2017

The school of hard Knox: A neglected Toronto architectural centrepiece gets its due

Richard Sommer, Dean of the John H. Daniels Faculty of Architecture, Landscape, and Design, discusses his aspirations for One Spadina. Read more. 

TORONTO, ON – Many plants are self-fertilizing, meaning they act as both mother and father to their own seeds. This strategy – known as selfing – guarantees reproduction but, over time, leads to reduced diversity and the accumulation of harmful mutations. A new study published in the scientific journal Nature Genetics shows that these negative consequences are apparent across a selfing plant’s genome, and can arise more rapidly than previously thought. In the study, an international consortium led by Stephen Wright in the Department of Ecology and Evolutionary Biology at the University of Toronto and Detlef Weigel at the Max Planck Institute for Developmental Biology sequenced the genome of the plant species Capsella rubella, commonly known as Red Shepherd’s Purse. They found clear evidence that harmful mutations were accumulating over the species’ relatively short existence. “The results underscore the long-term advantages of outcrossing, which is the practice of mating between individuals, that gives us the wide array of beautiful flowers,” said Wright. “Selfing is a good short-term strategy but over long timescales may lead to extinction.” Red Shepherd’s Purse is a very young species that has been self-fertilizing for less than 200,000 years. It is therefore especially well-suited for studying the early effects of self-fertilization. By contrasting Red Shepherd’s Purse with the outcrossing species that gave rise to it, the researchers showed that self-fertilization has already left traces across the genome of Red Shepherd’s Purse. “Harmful mutations are always happening,” said Wright. “In crops, they could reduce yield just as harmful mutations in humans can cause disease. The mutations we were looking at are changes in the DNA that change the protein sequence and structure.” The findings represent a major breakthrough in the study of self-fertilization. "It is expected that harmful mutations should accumulate in selfing species, but it has been difficult to support this claim in the absence of large-scale genomic data,” says lead author Tanja Slotte, a past member of Wright’s research team and now a researcher at Uppsala University. “The results help to explain why ancient self-fertilizing lineages are rare, and support the long-standing hypothesis that the process is an evolutionary dead-end and leads to extinction." The researchers said that with many crops known to be self-fertilizing, the study highlights the importance of preserving crop genetic variation to avoid losses in yield due to mutations accumulating. The findings are reported in the paper “The Capsella rubella genome and the genomic consequences of rapid mating system evolution” in Nature Genetics this week. Other lead collaborators on the study included researchers from the Max Planck Institute in Tübigen, Germany and the US Department of Energy's Joint Genome Institute. The research is supported by funding from the US Department of Energy, the Max Planck Institute, Genome Canada and Genome Quebec.

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Note to media: Visit http://www.artsci.utoronto.ca/main/media-releases/self-fertilizing-plants-study for images related to the research study described here. For more information, please contact: Stephen Wright Department of Ecology and Evolutionary Biology University of Toronto 416-946-8508 stephen.wright@utoronto.ca Sean Bettam Communications, Faculty of Arts & Science University of Toronto 416-946-7950 s.bettam@utoronto.ca

Latest Media Releases

Below is a selection of recent press releases. For all the latest news please visit www.utoronto.ca/news

December 11, 2017

Ontario Should Revise Discriminatory Policy Against Refugee Drivers

Toronto, ON – Ontario’s Ministry of Transportation should revise its policy and allow experienced drivers from war-torn countries to skip the one-year waiting period before their final driving tests - an exemption available to other newcomers in Ontario as well as refugees in other provinces, the International Human Rights Program at the University of Toronto’s Faculty of Law (IHRP) said today. Under the current policy, the Government of Ontario is discriminating against refugees from Syria and other conflict zones by effectively…

December 6, 2017

Team of Rotman Evening MBA Students Advances to Regional Finals for the Hult Prize

Toronto, ON – A team of students from the Evening MBA program at the University of Toronto’s Rotman School of Management have won the UofT quarterfinal qualifying round to advance to the regional finals of the Hult Prize, the world’s largest student competition for social entrepreneurs. Purifire, consisting of Daniel Weng, Andrea Lo, Nirusan Rajakulendran, and Michael Bosompra, all from the Rotman MBA Class of 2020, will advance to the regional finals to be held in March 2018. The goal…

November 21, 2017

New Financial Innovation Hub Established at the University of Toronto’s Rotman School of Management

Toronto, ON – A new partnership has been launched at the University of Toronto’s Rotman School of Management to promote and develop initiatives for students and faculty in the area of financial innovation across all of the school’s programs. The Rotman Financial Innovation Hub in Advanced Analytics (Rotman FinHub) will create new classes and learning opportunities for students in financial innovation including machine learning and blockchain in the school’s MBA, Master of Finance, and Master of Financial Risk Management programs…

November 20, 2017

Rotman MBAS Win International Private Equity Competition

Toronto, ON – For the second week in a row a team of Full Time MBA students from the University of Toronto’s Rotman School of Management have won a prestigious international competition. On Saturday, the Rotman students won the Rotterdam School of Management Private Equity Competition in Amsterdam defeating teams from INSEAD, IESE and Georgetown University in the final round. This year, the case involved candidates in a live transaction, centered around a 91-year old Dutch retailer, HEMA, where the private…

November 17, 2017

U of T celebrates the opening of One Spadina Crescent

Toronto, ON – Today, the John H. Daniels Faculty of Architecture, Landscape, and Design celebrated the official opening of its new home — the Daniels Building — at historic One Spadina Crescent. Located on the western edge of the University of Toronto’s St. George campus just north of College Street, the iconic neo-gothic building and stunning contemporary addition, currently nearing completion, is now poised to become an international focal point for education, research, and outreach on architecture, art, and the…

November 14, 2017

Rotman School Professor and Former Dean Named as Most Influential Management Thinker in the World

Toronto, ON – A professor and former Dean of the University of Toronto’s Rotman School of Management was named as the number one management thinker in the world by Thinkers50, the premier ranking of global business thinkers. Prof. Roger Martin, the former Dean of the Rotman School from 1998 to 2012, received the honour during an awards gala in London, UK last night. A second Rotman faculty member, Prof. Richard Florida placed 19th on the list of the top fifty…

November 13, 2017

Rotman MBA Students Win Kellogg Business Design Challenge

Toronto, ON – A team of MBA students from the University of Toronto’s Rotman School of Management have won the Kellogg Business Design Challenge hosted by the Kellogg School of Management’s Innovation and Design Association. The long-running competition, which invites students to apply design thinking to a real-world business challenge, was opened up to teams outside the Kellogg School for the first time this year. The Rotman team, Lorem Ipsum, consisting of Full Time MBA students Amarpreet Kaur, MBA’19; Fifile Nguyen, MBA’19,…

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General Inquiries
+1 (416) 978-0100

Email
media.relations@utoronto.ca

U of T in the News

Toronto Life | January 5, 2017

I had to decide whether to take my academic career to Canada. Donald Trump made it an easy choice

Jerry Flores of UTM discusses what influenced his decision to come to U of T. Read more. 

New York Times | January 4, 2017

The strange origin of a manakin’s golden crown

Alfredo Barrera-Guzmán and Jason Weir of UTSC explain how certain birds diversified into several distinct species. Read more. 

The Globe and Mail | January 3, 2017

The school of hard Knox: A neglected Toronto architectural centrepiece gets its due

Richard Sommer, Dean of the John H. Daniels Faculty of Architecture, Landscape, and Design, discusses his aspirations for One Spadina. Read more. 

TORONTO, ON — Researchers from the University of Toronto and SickKids Research Institute announced today that they have successfully mapped the genes in the fungus that causes Dutch Elm Disease. The researchers believe this is the first time the 30 million DNA letters for the fungus Ophiostoma ulmi have been mapped. The findings, published in this week’s online journal BMC Genomics, could help scientists figure out how to prevent the fungus from destroying elm trees in the future. “Essentially, Dutch Elm Disease is caused by a fungus that prevents the normal distribution of nutrients in the tree by blocking the flow of sap,” said Alan Moses, an Assistant Professor with the University of Toronto’s department of Cell & Systems Biology, one of the authors of the study. “The tree wilts and eventually dies. “Relatively little is known about the fungus that causes Dutch Elm Disease, and it’s a very distant relative of the fungi that are more often studied by researchers, like bread mould or beer yeast. We hope that the availability of the genome will encourage and speed-up research on this fungus – it’s only a matter of time before most the elm trees are gone.” Dutch Elm disease is believed to have originated in the Himalayas, travelling to Europe from the Dutch East Indies in the late 1800s. It emerged in Holland shortly after the First World War, earning the name Dutch Elm Disease. It is the most destructive elm tree disease in North America, and typically kills most trees within two years of infection. Dutch Elm Disease is a problem in many parts of the world, particularly Scotland, Spain, Italy, Western Canada and New Zealand. • The abstract is available online: http://www.biomedcentral.com/1471-2164/14/162/abstract - http://www.biomedcentral.com/1471-2164/14/162/abstract. • High resolution photos are available for download (Photo credit for both: Martin Hubbes): http://www.moseslab.csb.utoronto.ca/alan/DEDleafwilt-MH.tif http://www.moseslab.csb.utoronto.ca/alan/large-wilted-tree-MH.bmp

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For more information, contact: Dr. Alan Moses, Assistant Professor University of Toronto, Department of Cell & Systems Biology Tel: 416-946-3980, alan.moses@utoronto.ca Dr. Dinesh Christendat, Associate Professor University of Toronto, Department of Cell & Systems Biology Tel: 416-946-8373 or 416-948-4515, dinesh.christendat@utoronto.ca U of T media relations Tel: 416-978-0100, media.relations@utoronto.ca http://www.twitter.com/uoftnews

Latest Media Releases

Below is a selection of recent press releases. For all the latest news please visit www.utoronto.ca/news

December 11, 2017

Ontario Should Revise Discriminatory Policy Against Refugee Drivers

Toronto, ON – Ontario’s Ministry of Transportation should revise its policy and allow experienced drivers from war-torn countries to skip the one-year waiting period before their final driving tests - an exemption available to other newcomers in Ontario as well as refugees in other provinces, the International Human Rights Program at the University of Toronto’s Faculty of Law (IHRP) said today. Under the current policy, the Government of Ontario is discriminating against refugees from Syria and other conflict zones by effectively…

December 6, 2017

Team of Rotman Evening MBA Students Advances to Regional Finals for the Hult Prize

Toronto, ON – A team of students from the Evening MBA program at the University of Toronto’s Rotman School of Management have won the UofT quarterfinal qualifying round to advance to the regional finals of the Hult Prize, the world’s largest student competition for social entrepreneurs. Purifire, consisting of Daniel Weng, Andrea Lo, Nirusan Rajakulendran, and Michael Bosompra, all from the Rotman MBA Class of 2020, will advance to the regional finals to be held in March 2018. The goal…

November 21, 2017

New Financial Innovation Hub Established at the University of Toronto’s Rotman School of Management

Toronto, ON – A new partnership has been launched at the University of Toronto’s Rotman School of Management to promote and develop initiatives for students and faculty in the area of financial innovation across all of the school’s programs. The Rotman Financial Innovation Hub in Advanced Analytics (Rotman FinHub) will create new classes and learning opportunities for students in financial innovation including machine learning and blockchain in the school’s MBA, Master of Finance, and Master of Financial Risk Management programs…

November 20, 2017

Rotman MBAS Win International Private Equity Competition

Toronto, ON – For the second week in a row a team of Full Time MBA students from the University of Toronto’s Rotman School of Management have won a prestigious international competition. On Saturday, the Rotman students won the Rotterdam School of Management Private Equity Competition in Amsterdam defeating teams from INSEAD, IESE and Georgetown University in the final round. This year, the case involved candidates in a live transaction, centered around a 91-year old Dutch retailer, HEMA, where the private…

November 17, 2017

U of T celebrates the opening of One Spadina Crescent

Toronto, ON – Today, the John H. Daniels Faculty of Architecture, Landscape, and Design celebrated the official opening of its new home — the Daniels Building — at historic One Spadina Crescent. Located on the western edge of the University of Toronto’s St. George campus just north of College Street, the iconic neo-gothic building and stunning contemporary addition, currently nearing completion, is now poised to become an international focal point for education, research, and outreach on architecture, art, and the…

November 14, 2017

Rotman School Professor and Former Dean Named as Most Influential Management Thinker in the World

Toronto, ON – A professor and former Dean of the University of Toronto’s Rotman School of Management was named as the number one management thinker in the world by Thinkers50, the premier ranking of global business thinkers. Prof. Roger Martin, the former Dean of the Rotman School from 1998 to 2012, received the honour during an awards gala in London, UK last night. A second Rotman faculty member, Prof. Richard Florida placed 19th on the list of the top fifty…

November 13, 2017

Rotman MBA Students Win Kellogg Business Design Challenge

Toronto, ON – A team of MBA students from the University of Toronto’s Rotman School of Management have won the Kellogg Business Design Challenge hosted by the Kellogg School of Management’s Innovation and Design Association. The long-running competition, which invites students to apply design thinking to a real-world business challenge, was opened up to teams outside the Kellogg School for the first time this year. The Rotman team, Lorem Ipsum, consisting of Full Time MBA students Amarpreet Kaur, MBA’19; Fifile Nguyen, MBA’19,…

See all news releases

General Inquiries
+1 (416) 978-0100

Email
media.relations@utoronto.ca

U of T in the News

Toronto Life | January 5, 2017

I had to decide whether to take my academic career to Canada. Donald Trump made it an easy choice

Jerry Flores of UTM discusses what influenced his decision to come to U of T. Read more. 

New York Times | January 4, 2017

The strange origin of a manakin’s golden crown

Alfredo Barrera-Guzmán and Jason Weir of UTSC explain how certain birds diversified into several distinct species. Read more. 

The Globe and Mail | January 3, 2017

The school of hard Knox: A neglected Toronto architectural centrepiece gets its due

Richard Sommer, Dean of the John H. Daniels Faculty of Architecture, Landscape, and Design, discusses his aspirations for One Spadina. Read more.