Biological species are often defined on the basis of reproductive isolation. Ever since Darwin pointed out his difficulty in explaining why crosses between two species often yield sterile or inviable progeny (for instance, ...
Biotechnology
Oct 26, 2009
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0
In a recent study, researchers at Johns Hopkins Medicine suggest that the cell's messenger RNA (mRNA)—the major translator and regulator of genetic material—along with a critical protein called ZAK—spurs the cell's ...
Cell & Microbiology
Jul 2, 2024
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68
Only recently, a new era in medicine began with the first RNA vaccines. These active substances are modified RNAs that trigger immune responses of the human immune system. Another approach in RNA medicine targets the body's ...
Biochemistry
Apr 10, 2024
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65
During the process of cell division, new daughter cells inherit a mix of genetic material and other molecules from their mother cells. This inheritance includes both beneficial components, which can help them for a robust ...
Cell & Microbiology
Mar 18, 2024
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1
For the first time, it was shown in living cells how the bacterium E. coli regulates genes that help it survive in a new environment. Biochemist Fatema Zahra Rashid managed to do this using a technique she fine-tuned. Her ...
Cell & Microbiology
Nov 21, 2023
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2
Chromosomal instability is a phenomenon characterized by rapid changes in the number and structure of chromosomes during cell division. It is very common in solid tumors and it is linked to the aggressive spread of cancer, ...
Cell & Microbiology
Sep 26, 2023
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12
Researchers led by Prof. Gan Haiyun from the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences (CAS) have documented the parental histones inheritance safeguard mechanism, in which parental ...
Cell & Microbiology
Sep 8, 2023
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36
Fat is a normal and necessary part of the body. Fat cells store and release energy, as well as play significant roles in hormonal regulation and immunity.
Cell & Microbiology
Aug 28, 2023
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97
Despite being densely packed to fit into the nucleus, chromosomes storing our genetic information are always in motion. This allows specific regions to come into contact and thereby activate a gene. A group of scientists ...
Cell & Microbiology
Jun 29, 2023
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50
A typical human cell is metabolically active, roaring with chemical reactions that convert nutrients into energy and useful products that sustain life. These reactions also create reactive oxygen species, dangerous by-products ...
Cell & Microbiology
Jun 1, 2023
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