(Phys.org) -- As plants began to transition from aquatic habitats to dry land some 500 million years ago, their needs changed. Those primitive ancestors of modern plants were ill-equipped to survive in a dry, sunlight-blasted ...
Biotechnology
May 13, 2012
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A detailed comparison of DNA and RNA in human cells has uncovered a surprising number of cases where the corresponding sequences are not, as has long been assumed, identical. The RNA-DNA differences generate proteins that ...
Biotechnology
May 19, 2011
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For worms, choosing when to search for a new dinner spot depends on many factors, both internal and external: how hungry they are, for example, how much oxygen is in the air, and how many other worms are around. A new study ...
Biotechnology
Mar 16, 2011
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A new study demonstrates that specific traits that distinguish humans from their closest living relatives – chimpanzees, with whom we share 96 percent of our DNA – can be attributed to the loss of chunks of DNA ...
Biotechnology
Mar 9, 2011
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(PhysOrg.com) -- Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans. Segments of DNA in its genome began to form duplicate copies at a greater rate than ...
Feb 11, 2009
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Janelia scientists and collaborators have reached another milestone in connectomics, unveiling a comprehensive wiring diagram of the fruit fly visual system. The work has been released on the pre-print server bioRxiv.
Plants & Animals
Apr 19, 2024
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56
A new study details how nutrient-starved cells divert protein transport stations to cellular recycling centers to be broken down, highlighting a novel approach cells use to deal with stressful conditions.
Cell & Microbiology
Apr 12, 2024
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68
Like a Valentine's Day dinner or a box of chocolates, male fruit flies have their own rituals for wooing a potential mate.
Cell & Microbiology
Feb 13, 2024
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144
When Senior Scientist Jonathan Grimm came to Janelia 13 years ago, he didn't know much about fluorescence or fluorescent dyes. But as an organic chemist who had been working in drug discovery at Merck, he certainly knew a ...
Analytical Chemistry
Dec 8, 2023
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How do you study reproductive aging, the biological clock that affects fertility, in the lab? Researchers at Howard Hughes Medical Institute's Janelia Research Campus use a surprising animal: the roundworm C. elegans.
Cell & Microbiology
Sep 14, 2023
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