Gravity affects the ecology and evolution of every living organism. In plants, the general response to gravity is well known: their roots respond positively, growing down, into the soil, and their stems respond negatively, ...
Biotechnology
Feb 4, 2013
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During the final stage of cell division, a short-lived contractile ring constricts the cellular membrane and eventually separates the dividing cell in two. Although this "molecular muscle's" composition, mainly actin and ...
Cell & Microbiology
Jun 11, 2012
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Biologists at the University of California, San Diego have succeeded in unraveling, for the first time, the complete chain of biochemical reactions that controls the synthesis of auxin, the hormone that regulates nearly all ...
Biotechnology
Oct 24, 2011
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Flowers may look delicate—but flowering plants, what scientists call angiosperms, are one of the most successful evolutionary organisms on the planet. Including more than 350,000 known species, they dominate the ecological ...
Evolution
Apr 10, 2024
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Ophiothrix angulata, a widely recognized and prevalent ophiuroid species in the Western Atlantic, has long been the subject of taxonomic debate due to its remarkable morphological diversity. A new study just published in ...
Evolution
Jul 17, 2023
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Sambucus L. is a morphologically diverse flora comprising approximately 23 accepted species that are mostly deciduous shrubs, perennial herbs or small trees widespread in almost all regions of the world, excluding extremely ...
Plants & Animals
Dec 30, 2022
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With the help of genetic manipulation and advanced biophysical tools, an international research team has gained unexpected insight into how a bacterium uptakes sugars derived from plant feedstock.
Cell & Microbiology
Sep 26, 2022
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Researchers of the University of Bayreuth and the Columbia University in New York reported groundbreaking findings on protein biosynthesis in bacteria in the journal iScience. The small protein NusG links the two large molecular ...
Molecular & Computational biology
Jul 21, 2020
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When controlling mosquitoes that spread malaria, gene drives, which force genetic changes to proliferate in a population, are faster and more efficient than simply releasing mosquitoes that are immune to the parasite, according ...
Biotechnology
Dec 19, 2019
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Charles Darwin famously included only one illustration in his book "On the Origin of Species" published in 1859. It was a diagram of how species originate through time in a manner that, on paper, resembles a family tree. ...
Evolution
Aug 29, 2013
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