(Phys.org)—A University of Michigan biophysical chemist and his colleagues have discovered the smallest and fastest-known molecular switches made of RNA, the chemical cousin of DNA. The researchers say these rare, fleeting ...
Cell & Microbiology
Oct 7, 2012
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Genetic instructions for developing limbs and digits were present in primitive fish millions of years before their descendants first crawled on to land, researchers have discovered.
Biotechnology
Jul 11, 2011
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(PhysOrg.com) -- Charles Darwin described the sudden origin of flowering plants about 130 million years ago as an abominable mystery, one that scientists have yet to solve.
Evolution
May 18, 2009
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In the inner ear, there are two different types of sensory cells that are responsible for hearing. An MHH research team has now identified the molecular switch for the formation of these inner and outer hair cells and thus ...
Cell & Microbiology
Jan 30, 2023
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85
A team of Duke researchers has identified a group of human DNA sequences driving changes in brain development, digestion and immunity that seem to have evolved rapidly after our family line split from that of the chimpanzees, ...
Evolution
Nov 23, 2022
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245
Griffith University researchers have discovered a genetic switch in a common bacterium that helps defend itself against the human body's natural immune system.
Molecular & Computational biology
Aug 2, 2022
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70
Genetic variants that can act as switches directing structural changes in the RNA molecules that code for proteins in plants have been experimentally validated in plants for the first time. The changes to RNA structure can ...
Plants & Animals
Jun 14, 2022
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1110
AMOLF researchers, collaborating with researchers from the Erasmus MC, have discovered a genetic mechanism that ensures that a nerve cell retains its identity once it has differentiated. This concerns a neuron in the worm ...
Molecular & Computational biology
Jan 10, 2022
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121
The cells of female mammals have a dosage problem, because they have twice as many X chromosomes as are needed in the body. Consequently, one of them is randomly selected and switched off already during early embryonic development. ...
Molecular & Computational biology
Jan 5, 2022
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297
Embryonic development follows delicate stages: For everything to go well, many genes must coordinate their activity according to a very meticulous scheme and tempo. This precision mechanism sometimes fails, leading to more ...
Cell & Microbiology
Dec 13, 2021
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