Competition among sperm cells is fierce—they all want to reach the egg cell first to fertilize it. A research team from Berlin now shows in mice that the ability of sperm to move progressively depends on the protein RAC1. ...
Biotechnology
Feb 4, 2021
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239
Plants have been the primary source of our food for ages. With the human population growing rapidly, there is a continual increase in the demand for food produce. Since agricultural land is limited, fulfilling this increasing ...
Molecular & Computational biology
Apr 25, 2022
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4
Substances known as transcription factors often determine how a cell develops as well as which proteins it produces and in what quantities. Transcription factors bind to a section of DNA and control how strongly a gene in ...
Cell & Microbiology
Sep 2, 2016
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105
A team of researchers affiliated with multiple institutions in Portugal and the U.S. has found that a single enzyme is responsible for gender-based plumage color differences in mosaic canaries. In their paper published in ...
Researchers have spotted how specific proteins within the chromosomes of roundworms enable their offspring to produce specialized cells generations later, a startling finding that upends classical thinking that hereditary ...
Cell & Microbiology
Apr 7, 2023
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381
How and why fish swim in schools has long fascinated biologists looking for clues to understand the complexities of social behavior. A new study by a team of researchers at Fred Hutchinson Cancer Research Center may help ...
Plants & Animals
Sep 12, 2013
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0
Using new gene mapping methods, researchers have found connections between atopic dermatitis (eczema) in dogs and several regions of the genome. Some of the genes identified coincide with genes linked to similar problems ...
Molecular & Computational biology
Dec 9, 2022
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72
The biomolecule diphthamide is essential for the proper formation of proteins in cells. When humans are infected with diphtheria, diphthamide is altered by the diphtheria toxin so that life-threatening complications can arise ...
Plants & Animals
Jul 15, 2022
0
79
The song of songbirds is a learned, complex behavior and subject to strong selective forces. However, it is difficult to tease apart the influence of the genetic background and the environment on the expression of individual ...
Evolution
Oct 2, 2013
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0
(Phys.org) —A Cornell study offers further proof that the divergence of humans from chimpanzees some 4 million to 6 million years ago was profoundly influenced by mutations to DNA sequences that play roles in turning genes ...
Biotechnology
Jun 12, 2013
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