The turtle species Pelusios seychellensis regarded hitherto as extinct never existed. Scientists at the Senckenberg Research Institute in Dresden discovered this based on genetic evidence. The relevant study was published ...
Plants & Animals
Apr 4, 2013
0
0
Honeybee populations have been in serious decline for years, and Purdue University scientists may have identified one of the factors that cause bee deaths around agricultural fields.
Plants & Animals
Jan 12, 2012
25
0
(PhysOrg.com) -- Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity in the animal world, ...
Plants & Animals
Sep 8, 2011
3
1
Fifty years after the pioneering discovery that a protein's three-dimensional structure is determined solely by the sequence of its amino acids, an international team of researchers has taken a major step toward fulfilling ...
Biotechnology
Dec 7, 2011
12
0
Novel genes are continuously emerging during evolution, but what drives this process? A new study, published in PLOS Genetics, has found that the fortuitous appearance of certain combinations of elements in the genome can ...
Biotechnology
Dec 31, 2015
19
2005
Just as styles in sexy clothes or fashion change from year to year and culture to culture, "sexy" genes, or genes specific to sex, also change rapidly. But there is one sex-specific gene so vital, its function has remained ...
Biotechnology
Jul 15, 2010
11
0
Scientists have long suspected that the sex chromosome that only males carry is deteriorating and could disappear entirely within a few million years, but until now, no one has understood the evolutionary processes that control ...
Evolution
Jul 17, 2009
11
0
Bee larvae develop into workers, in part, because their diet of pollen and honey, called beebread, is rich in plant regulatory molecules called microRNAs, which delay development and keep their ovaries inactive. Xi Chen of ...
Plants & Animals
Aug 31, 2017
0
1420
It is known that genes inherited from ancient retroviruses are essential to the placenta in mammals, a finding to which scientists in the Laboratoire Physiologie et Pathologie Moleacuteculaires des Retrovirus Endogenes et ...
Biotechnology
Sep 2, 2016
2
663
(PhysOrg.com) -- High hopes rest on stem cells: one day, they may be used to treat many diseases. To date, embryos are the main source of these cells, but this raises ethical problems. Scientists at the Max Planck Institute ...
Cell & Microbiology
Nov 19, 2010
0
0
PLoS Genetics is a peer-reviewed, open-access journal that reflects the interdisciplinary nature of genetics and genomics research by publishing contributions in all areas of biology. The journal is indexed in PubMed Central, PubMed, and ISI Web of Knowledge.
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