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wolf in Biological News

Bone deformities linked to inbreeding in Isle Royale wolves

... the extreme inbreeding of the small, isolated wolf population at the island National Park in ... deformities occur in only 1 percent of studied wolf populations that are not inbred. "Until ... average population size, but two of the four wolf packs did not have any pups that survived, ...

Biologists solve mystery of black wolves

... the frequency of black coat color dramatically in wolf populations across North America," Wayne said. ... in order to assess genetic variation across wolf populations in relation to dogs. She and her ... genetic basis." Yellowstone is home to the wolf population about which the most is known, Wayne ...

Wolves would rather eat salmon

... of four years, we identified prey remains in wolf droppings and carried out chemical analysis of shed wolf hair in order to determine what the wolves like ... as much insight into salmon ecology as wolf ecology. Darimont's mentor and co-author Thomas ...

USGS science picks -- leads, feeds and story seeds

... Laboratory Humans Hunting Wolves: Effects on wolf Packs Sea Otters: Picky Eaters Ducking in ... Humans Hunting Wolves: Effects on wolf Populations The prospect of hunting wolves ... for their pelts. The effects of human harvest on wolf populations are not well understood ...

Wolves find happy hunting grounds in Yellowstone National Park

... strongly influenced by landscape features than by wolf distribution. "We found that even though wolf and elk populations overlapped in many areas of ... cut off escape routes)offer the greatest risk of wolf predation for elk. Also, deep snowy areas, which ...

New book covers 16 years of MSU research in Yellowstone

... dynamics. The core of the book presents several studies on elk, bison and wolf ecology and the interactions among them. The authors conclude with an ... one of those students, focused on bison movements. Matt Becker studied wolf predation. Claire Gower studied elk behavior in response to wolves. ...

DNA study unlocks mystery to diverse traits in dogs

... traits that affect many breeds." Dogs originally derived from the wolf more than 15,000 years ago a blink of the eye in evolutionary terms. ... in physical and behavioral traits in dogs changed so rapidly from its wolf origins. An international team of researchers, which included ...

Carnegie donates landmark clones to biology

... the new clones have for understanding a spectrum of problems from kidney diseases to engineering better crops," remarked director of the department wolf Frommer. ...

A Canada-wide technology platform for mapping the human interactome

... Lunenfeld Research Institute (SLRI) in Toronto and the recipient of several prestigious international awards such as the Gairdner Award (1994), the wolf Prize (2005) and the Kyoto Prize (2008). Dr. Pawson is one of the scientists involved in the national platform project and the creation of the ...

Midget plant gets makeover

... and the results applied to important crop species. "TAIR is a crucial resource for plant sciences, but its impact goes far beyond," remarked Dr. wolf Frommer, director of Carnegie's Department of Plant Biology. "TAIR9, as the 'green' reference database, is crucial for understanding the function ...

Milestone in live microscopy focus of $2 million NIH grant

... will collaborate with Browning on the project: Peter Armstrong, Jodi Nunnari and Jon Scholey, professors of molecular and cellular biology; wolf Heyer, professor of microbiology; and Stephen Kowalczykowski, distinguished professor of microbiology. In July, Browning will add an appointment in ...

2009 ASPB Summer Undergraduate Research Fellowship award announcement

... I am also looking forward to seeing the research completed by my peers in Montreal next summer. I would like to give a big thanks to Dr. Korth, Dr. wolf and Dr. Miller for their encouragement and support. Emily Lin, University of Maryland Mentor: Ganesh Sriram Gas Chromatography-Mass ...

Entomological Society of America names new Fellows for 2008

... Business Week, National Public Radio, Fortune Magazine, and NBC's Today Show. Dr. Lewis was recently named as recipient of the world renowned wolf Prize in Agriculture. Additionally, his awards include ESA's Founders' Memorial Lecturer Award, the USDA-ARS Outstanding Scientist of the Year Award, ...

ESA to feature wide range of UW-Madison presentations

... do wolves call home? In 1992, forest and wildlife ecology professor David Mladenoff began identifying and mapping Wisconsin's most preferred wolf habitat, both to assist in the management of existing packs and predict where new ones might establish. Though he included a wide variety of ...

New Web resource to improve crop engineering

... than humans are or possibly will ever be. Now we have a reference database that brings all this essential information together in one place." wolf B. Frommer, interim director of the Department for Plant Biology, said, "We expect that this new resource will help improve crops for food and ...

Can feces save the species?

... trained to detect animal feces by scent are helping researchers monitor rare and threatened wildlife such as jaguar, tapir, giant anteater and maned wolf in and around Emas National Park, a protected area with the largest concentration of threatened species in Brazil. The researchers analyze feces ...

A gentle touch for better control, a quantum mechanical con, and milestone PRL papers

... based on what is called the renormalization group. He built on previous work by Leo Kadanoff and Michael Fisher, with whom he shared the 1980 wolf Prize. Wilson's Nobel Prize winning work was published in 1971 in Physical Review B [PRB 4, 3174, and PRB 4, 3184]. In the Letters quoted here ...

New species discovered in Brazil

... the Cerrado is the most extensive woodland-savanna in South America. Large mammals such as the giant anteater, giant armadillo, jaguar and maned wolf struggle to survive in the fast-changing habitat also know as Brazils breadbasket. The expedition included 26 researchers from the University of ...

Scientists find color vision system independent of motion detection

... motion detection and color contrast may work in tandem. The studys authors are: Claude Desplan of NYUs Center for Developmental Genetics; Reinhard wolf and Martin Heisenberg of the University of Wrzburg; and Satoko Yamaguchi, who holds appointments at both institutions. Whether motion vision uses ...

Controlling a sea of information

... disease and drought resistant crops, and much more. The database has grown from 100,000 page hits per month in 2000 to over 1 million in 2007. wolf Frommer, the acting director of Plant Biology and VP of the Feedstocks Division of the Joint BioEnergy Institute (JBEI) in Emeryville, CA, ** ...

New twist on life's power source

... it is certain to change the way we interpret optical measurements of photosynthetic pigments in the ocean and the way we model ocean productivity. wolf Frommer, director of the Carnegie Institutions Department of Plant Biology, agrees about the discoverys ground-breaking importance. If we thought we ...

LSU researchers challenge analyses on sustainability of Gulf fisheries

... in top-tier journals are promoting advocacy at the expense of defensible science, said Cowan. More importantly, there is risk that continually crying wolf will eventually numb people to real threats against sustainable use of important natural resources such as wild fisheries. Because of the ...

Why do males and females frequently differ in body size and structure?

... Her next book, which she plans to write for a general audience, will focus on the many ways of being male or female in the animal kingdom. wolf U. Blanckenhorn of the Universitt Zrich-Erchel, Switzerland, and Tams Szkely of the University of Bath, United Kingdom, are the other editors of ...

Gene-targeting pioneer Mario Capecchi shares 2007 Nobel Prize in Medicine

... Science, Americas highest award for lifetime achievement in scientific research, presented by President George W. Bush. In 2003, he also received the wolf Prize in Medicine, Israels highest award for medical science, and the 2003 Pezcoller Foundation-AACR (American Association for Cancer Research) ...

Prehistoric aesthetics explains snail biogeography puzzle

... The task was complicated by the dearth of wild snails on Tahiti, the result of a disastrous biological control experiment in which the predatory rosy wolf snail was brought to the island in 1975 to squelch an agricultural pest but feasted instead on native tree snails. Fortuitously, U-M professor ...

Ice Age extinction claimed highly carnivorous Alaskan wolves

... has added one more: a highly carnivorous form of wolf that lived in Alaska, north of the ice sheets. ... But this previously unrecognized type of wolf appears to have vanished without a trace some ... extracted mitochondrial DNA from the fossil wolf bones preserved in permafrost and compared the ...

Wolves are suffering less from inbreeding than expected

... threat against the viabi lity of the Scandinavian wolf population. A study just coming out in the new ... show that it is the most genetically variable wolf individuals that are recruited into the breeding ... much slower than previously believed. The wolf was exterminated in the Scandinavian peninsula by ...

Fruit fly's beating heart helps identify human heart disease genes

... candidate human genes for heart disease," wolf continued. "In our experiments, we were able to ... the American Heart Association bestowed upon wolf its prestigious Louis N. and Arnold M. Katz Basic ... exactly like the same condition in humans," wolf said. "We obtained clear images that looked ...

Genome Sequence for Haemophilus Influenzae Completed

... to Yellowstone National Park.) Weisel examined wolf prey hair with light and electron microscopy with the idea of accurately identifying wolf diet from wolf scat. "While we have engaged molecular biologists ...

Otter adaptations: How do otters remain sleek and warm

... to Yellowstone National Park.) Weisel examined wolf prey hair with light and electron microscopy with the idea of accurately identifying wolf diet from wolf scat. "While we have engaged molecular biologists ...

Gray wolves maintain the food chain in winter

... by a top predator - the reintroduced gray wolf (Canis lupus). Gray wolves inhabited most of ... with a changing climate. Their models show that wolf kills temper the potentially devastating effects ... abundance will decline with shorter winters. But wolf kills buffer these shortages, providing meals ...

Researchers identify gene involved in dog size

... those that have an impact on health and disease.? The branch of the canine family tree that includes domestic dogs diverged from that of the gray wolf more than 15,000 years ago. Due to selective breeding by humans throughout history, dogs today exhibit an extremely wide range of body types and ...

New mechanism for nutrient uptake discovered

... chain-reaction among the different pores allows the system to shut down extremely fast and can even memorize previous exposures," noted co-author wolf Frommer. "Imagine a large animal marking its territory. A sudden flow of ammonia could be toxic to the plant. If it weren't for a rapid-fire shutdown ...

Over a century after disappearing, wild elk return to Ontario

... to point out that the program faced many challenges. Many of the reintroduced elk did not survive long after being transferred, particularly due to wolf predation, illegal hunting and stress from the transfer process. However, the death rate is decreasing each year, suggesting that the animals are ...

Ground spider diversity studied in research project

... Lick Creek Park south of College Station. She has caught 1,000 specimens in 111 species over two years. The most common were several species of wolf spiders, she said. A total of 989 species of spiders have been identified in Texas; 280 of these are found in Brazos County. Henderson set ...

Killing brain tumors from within: A 'Trojan horse' approach

... be applied to other types of receptors found on cancerous cells, he added. Last year, Prof. Levitzki was named as a winner of the prestigious wolf Prize in Medicine for his research on cancer development and treatment. His previous work has already led to successful therapy in treating leukemia ...

Why nerve cells work faster than the theory allows

... when the variability of the threshold value is low. In order to recreate the observed behavior of the nerve cells in computer simulations, wolf and his colleagues postulated a new mechanism, which explains how the sodium channels not always open at the same threshold value, but nevertheless ...

Bacterial protein mimics host to cripple defenses

... Like a wolf in sheep's clothing, a protein from a disease-causing bacterium slips into plant cells and imitates a key host protein in order to cripple the ...

Removing egg from nest may help save endangered whooping crane

... it in a "foster-parenting" program. Cranes usually rear a single chick and the other dies to siblicide or is killed by a predator, such as the wolf or fox. The egg-removal program was initiated years ago by Ernie Kuyt, an Edmonton-based scientist who reasoned that one egg could be taken and used ...
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