(PhysOrg.com) -- New research on the DNA of wallabies, rodents, a number of mammals and bats has found it is likely the ancestors of the Ebola and lesser-known Marburg viruses were in existence tens of millions of years ago, ...
Biologists at the California Institute of Technology have pinpointed molecular changes that helped allow the global spread of resistance to the antiviral medication Tamiflu (oseltamivir) among strains of the seasonal H1N1 ...
Biochemistry
Jun 3, 2010
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(PhysOrg.com) -- In the animal kingdom, sexual signals often are manifested as displays of bright coloration or, in the case of crickets, as loud song.
Plants & Animals
May 12, 2010
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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
14 hours ago
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91
A team co-led by researchers at Weill Cornell Medicine and the New York Genome Center has developed an advanced method for revealing how gene mutations disrupt the normal packaging of DNA. These structural changes, which ...
Cell & Microbiology
May 10, 2024
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Papua New Guinea (PNG) has a wide range of environments, each presenting unique challenges to human survival. Highlanders and lowlanders of PNG are striking examples of populations facing distinct environmental stress. Whereas ...
Evolution
Apr 30, 2024
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105
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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The Janus kinase 2 (JAK2) protein mediates signaling from several cytokine receptors in the regulation of hematopoiesis and immune responses. Somatic mutations in human JAK2 lead to constitutive activation and cytokine-independent ...
Molecular & Computational biology
Apr 4, 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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