In multicellular organisms, all cells of an individual normally contain the same genetic information and cell differentiation is achieved through regulation of gene expression. There are exceptions, however, where, instead ...
Evolution
Aug 9, 2023
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37
Beachgoers are familiar with the experience of spending hours in the sun, going home, and noticing only hours later that their skin has changed color.
Molecular & Computational biology
Aug 2, 2023
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31
Nearly all life, from bacteria to humans, uses the same genetic code. This code acts as a dictionary, translating genes into the amino acids used to build proteins. The universality of the genetic code indicates a common ...
Cell & Microbiology
Jul 27, 2023
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12
Two leading sequencing techniques are no longer at odds, thanks to an international effort led by scientists at University of California San Diego.
Cell & Microbiology
Jul 27, 2023
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2
The origins of the plague go back to the Neolithic Age, with the oldest findings of the causative pathogen Yersinia pestis coming from human bones around 5,000 years old. In the history of the plague, the late antique Justinianic ...
Evolution
Jul 26, 2023
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126
West Virginia University researchers are now able to view synthetic DNA at the atomic level, giving them the ability to understand how to change its structure in hopes of enhancing its scissor-like function. Learning more ...
Biochemistry
Jul 24, 2023
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18
The worms that cause schistosomiasis (Schistosoma mansoni) are unusual in several ways, especially the fact that male and female adults must stay paired together throughout their lives for reproduction to be successful. Females ...
Cell & Microbiology
Jul 24, 2023
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8
Physical maps are created in genome research to illustrate how the genetic information is arranged on individual chromosomes. In addition, genetic maps show the probability with which genetic variants can be transmitted together ...
Biotechnology
Jul 18, 2023
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1
In all living organisms, the biomolecule transfer RNA (tRNA) plays a fundamental role in protein production. tRNAs are generated from precursor molecules in several steps. The enzyme tRNA splicing endonuclease (TSEN), among ...
Biotechnology
Jul 13, 2023
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5
Transcription factor IIH, or TFIIH, pronounced "TF two H," is a veritable workhorse among the protein complexes that control human cell activity. It plays critical roles both in transcription—the highly regulated enzymatic ...
Cell & Microbiology
Jul 10, 2023
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92
