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Males with elevated levels of testosterone lead shorter lives but have more success siring offspring
Comparative studies have studied testosterone levels and related them to mating systems and aggression, but very few studies have attempted to relate testosterone to fitness, that is, the combination of lifetime reproductive success and survival, in the wild or experimentally. view more (2006-04-13)
Cell death in sparrow brains may provide clues in age-related human diseases
A remarkable change takes place in the brains of tiny songbirds every year, and some day the mechanism controlling that change may help researchers develop treatments for age-related degenerative diseases of the brain such as Parkinson's and dementia. view more (2007-09-18)
Report Documents the Risks of Giant Invasive Snakes in the U.S.
Five giant non-native snake species would pose high risks to the health of ecosystems in the United States should they become established here, according to a U.S. Geological Survey (USGS) report released today. view more (2009-10-14)
Stray penguins probably reached northern waters by fishing boat
Guy Demmert got quite a surprise when he hauled a fishing net into his boat off the coast of southeast Alaska in July 2002. There among the salmon, in living black and white, was a Humboldt penguin, thousands of miles from where any of its kind should have been. view more (2007-06-06)
DOE Joint Genome Institute completes soybean genome
The U.S. Department of Energy Joint Genome Institute (DOE JGI) has released a complete draft assembly of the soybean (Glycine max) genetic code, making it widely available to the research community to advance new breeding strategies for one of the world's most valuable plant commodities. view more (2008-12-09)
Dog genome sequence and analysis published in Nature
An international research team led by scientists at the Broad Institute of MIT and Harvard announced today the completion of a high-quality genome sequence of the domestic dog, together with a catalog of 2.5 million specific genetic differences across several dog breeds. view more (2005-12-08)
Troublesome North-American mosquitoes display resistance to insecticides
New evidence published online in Pest Management Science reports the first signs of resistance to pyrethroid insecticides in a population of mosquitoes from Marin County, California. The species in question is not only a major pest, but also acts as a vector of West Nile virus, a virus that spread rapidly westward across the United States after it... view more... (2004-01-09)
University of Sheffield plays crucial role in sequencing chicken genome
Scientists at the University of Sheffield have played a major role in sequencing the chicken genome, published in Nature and Genome Research on Thursday 9 December. The chicken is the first farm animal to be successfully sequenced, as well as being the first bird. view more (2004-12-07)
Mapping the crocodile genome
The first ever genetic linkage map for a non-avian member of the Class Reptilia has been developed. Researchers writing in the open access journal BMC Genomics have constructed a first-generation genetic linkage map for the saltwater crocodile Crocodylus porosus. view more (2009-07-29)
Watersports are a breeding nuisance
More than one-third of the UK’s wetlands is suffering high levels of disturbance, according to a new study by the Wildfowl & Wetlands Trust (WWT). Speaking at the British Ecological Society’s Winter Meeting, to be held at the University of Warwick on 18–20 December 2001, Dr James Robinson of the WWT will warn that the impact... view more... (2001-12-10)
OXFORD BIOMEDICA - AGREEMENT WITH VIRAGEN INC RE. LICENCE TO LENTIVECTOR TECHNOLOGY
Oxford BioMedica announced that it has signed an option agreement with the US biotechnology company Viragen Inc that may lead to a licence for the use of Oxford BioMedica's LentiVector® gene transfer technology for the production of therapeutic proteins from the eggs of transgenic chickens. The attached announcement by Viragen provides more... view more... (2003-03-18)
GENE TRANSFER FROM GENETICALLY MODIFIED CROPS
The report, which is based on a desk study of a substantial quantity of previously published research in related areas, considers all the routes by which the mixing of organic and genetically modified crops may occur, including pollen transfer and the growth of volunteers. It concludes that no system for the field production of seed can guarantee... view more... (1999-06-17)
Northern birds are fatter!
"The further birds migrate north for the summer, the faster they put on weight", says Dr Williams (Simon Fraser University, Canada) who has been tracking migrating birds for several years. view more (2006-04-04)
UC Riverside releases new citrus variety
Citrus researchers at the University of California, Riverside have released a new mandarin (or tangerine) for commercial production. view more (2009-08-05)
New discovery proves 'selfish gene' exists
A new discovery by a scientist from The University of Western Ontario provides conclusive evidence which supports decades-old evolutionary doctrines long accepted as fact. view more (2008-06-23)
Being obese and a couch potato may have a biological basis in the brain
Some brains may be wired to encourage fidgeting and other restless behaviors that consume calories and help control weight. view more (2006-08-14)
Crossing paths in plants
On Monday 31 March ecologists will meet with molecular biologists at the University of Southampton for the most novel and broad-ranging scientific session of its kind. They will present findings in Session C5/P3 which show that the biochemical pathways which influence a plant's response to stimuli such as attack, disease or other stresses are not... view more... (2003-03-26)
New population of Iberian lynx raises hope, says World Wildlife Fund
Spanish authorities have announced they have discovered a previously unknown population of Iberian lynx, triggering hope for one of the world's most endangered cat species, said World Wildlife Fund today. view more (2007-10-24)
To Maximize Biofuel Potential, Researchers Look for Sorghum's 'Sweet Spot'
Picture this - IV (intravenous) lines in a sorghum field. It's not as far-fetched as it sounds. It's one way that scientists at the Texas Agricultural Experiment Station are researching crops that may contribute to the biofuel revolution. view more (2007-09-13)
Characterization of grapevine transposons furthers understanding of in vino variety
The grapevine (Vitis vinifera) is a widely cultivated crop that has been subjected to intensive breeding since the Neolithic period (from ~10,500 to ~6,000 years ago). The domestication of grapevine has undergone a selection for traits important for its cultivation and usage. view more (2008-09-03)
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