(PhysOrg.com) -- A University of Oregon research team has found that evolution can never go backwards, because the paths to the genes once present in our ancestors are forever blocked. The findings -- the result of the first ...
Evolution
Sep 23, 2009
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(PhysOrg.com) -- Making its home near extreme temperatures of thermal vents on the ocean floor, the organism Methanopyrus kandleri harbors a molecular secret that intrigues evolutionary biologists and even HIV researchers.
Biochemistry
Apr 30, 2009
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Rice University's Peter Wolynes and his research team have unveiled a breakthrough in understanding how specific genetic sequences, known as pseudogenes, evolve. Their paper was published May 13 in the Proceedings of the ...
Evolution
May 13, 2024
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125
How mutations impact protein stability and structure dynamics is crucial for understanding the molecular mechanism of the disease and the targeted drug design. However, probing the molecular details of mutation-induced subtle ...
Biochemistry
Apr 16, 2024
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New research from the University of Wisconsin–Madison decodes the evolutionary pathway of regulatory proteins, the molecules that help control gene expression.
Evolution
Mar 29, 2024
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162
After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo. This is according to a new study led by researchers ...
Cell & Microbiology
Mar 14, 2024
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5
A previously mysterious small RNA molecule in mice is found to play a crucial role in gene expression, and may be the first identified member of a new class of regulatory RNAs.
Cell & Microbiology
Dec 13, 2023
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26
The idea of irreversible inhibitors adhering permanently to a target protein has gained increasing attention for application in potential drug development. However, one of many hurdles is the possibility of protein mutations ...
Biochemistry
Nov 29, 2023
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20
Proteins, the workhorses of biology, are encoded by DNA sequences and are responsible for vital functions within cells. Since the first experimental measurement of a protein structure was made by John Kendrew in the 1950s, ...
Biotechnology
Nov 22, 2023
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67
When mammals have offspring, they invest a lot. Unlike fish or frogs, the embryo cannot develop on its own. It has to implant in the uterus, where it is supplied with everything it needs to survive. Until this happens, the ...
Cell & Microbiology
Nov 6, 2023
0
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