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Tag: biologists
Biologists unlock 51.7-million-year-old genetic secret to landmark Darwin theory
2016-12-02 13:00:00| LifeSciencesWorld
[NEWS] Scientists have identified the cluster of genes responsible for reproductive traits in the Primula flower, first noted as important by Charles Darwin more than 150 years ago. Darwin hypothesised that some plant species with two distinct forms of flower, where male and female reproductive organs were of differing lengths, had evolved that way to promote out-crossing by insect pollinators. His ground-breaking insight into the significance of the two forms of flo…
Tags: theory
secret
genetic
landmark
Biologists use genomics to identify evolving new bird species in southern Idaho
2016-10-13 12:00:00| LifeSciencesWorld
[NEWS] RENO, Nev. - The South Hills crossbill, potentially a newly discovered species of finch, has evolved over the past 6,000 years with a unique dependence on its food source, the Rocky Mountain lodgepole pine, in a coevolutionary arms race that also changed the tree, according to a genomic study led by Tom Parchman, a biologist at the University of Nevada, Reno. The relatively quick coevolution occurred in two small Great Basin mountain ranges in southern Idaho, just across t…
Tags: identify
southern
species
bird
Starfish Baby Boom Surprises Biologists
2016-05-24 18:37:00| Climate Ark Climate Change & Global Warming Newsfeed
National Geographic: The devastation caused by a viral infection of sea stars along the United States Pacific coastline shows few signs of abating, continuing to kill its victims in a swift and grisly fashion. Yet against those odds, a huge new crop of sea star babies popped up after last year's spawning season, surprising researchers who have been tracking the epidemic. Bruce Menge, an Oregon State University marine ecologist who has studied sea stars along the coast for the past 30 years, found an unprecedented...
Tags: baby
boom
surprises
biologists
Biologists have found a gene that controls brain repair
2015-10-29 14:28:18| Extremetech
Control of a single gene can stimulate partial regeneration after a damaging stroke, in both live mice and cultured human neurons.
Tags: found
repair
controls
brain
Plant hormone 'switch' unravels chromatin to form flowers, penn biologists find
2015-10-13 12:00:00| LifeSciencesWorld
[NEWS] IMAGE: Instead of flowers, plants with mutations in certain chromatin remodeling genes developed pin-like structures (right). Credit: University of Pennsylvania Because plants cannot pick up and move, they have evolved a plethora …
Tags: find
form
flowers
switch