When organisms pass their genes on to future generations, they include more than the code spelled out in DNA. Some also pass along chemical markers that instruct cells how to use that code. The passage of these markers to ...
Plants & Animals
Aug 28, 2023
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(Phys.org)—A new DNA sequencing technique has enabled researchers to map for the first time the influential chemical modifications known as methylation marks throughout the genome of a pathogenic bacterium. By comparing ...
Biotechnology
Nov 19, 2012
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When plants sense environmental challenges such as drought or extended periods of extreme temperatures, they instinctively reprogram their genetic material to survive and even thrive. The chemical code that triggers those ...
Plants & Animals
Aug 17, 2022
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315
How tomato plants defend themselves against a devastating 'young' Southern African virus has now been investigated at a molecular genetics level for the first time by researchers at the University of Johannesburg (UJ).
Plants & Animals
Aug 28, 2023
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10
During embryonic development in humans and other mammals, sperm and egg cells are essentially wiped clean of chemical modifications to DNA called epigenetic marks. They are then held in reserve to await fertilization.
Biotechnology
Sep 20, 2012
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Researchers studied the role of DNA methylation on gene expression and other processes in the heavy-metal reducing bacterium Shewanella oneidensis MR-1 with the help of next-generation Single-Molecule Real Time (SMRT) sequencers ...
Biotechnology
Oct 21, 2013
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Researchers from the Czech Academy of Sciences and Charles University constructed an artificial chemical DNA switch and made the first step towards artificial epigenetics – targeted switching on and off of genes. Their ...
Biotechnology
Mar 21, 2019
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Chemical modification of DNA subunits contribute to the regulation of gene expression. Researchers from Ludwig-Maximilians-Universitaet (LMU) in Munich have now deciphered a new pathway can reactivate genes that have been ...
Biochemistry
Dec 1, 2017
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11
Researchers at the Garvan Institute of Medical Research have uncovered a new form of DNA modification in the genome of zebrafish, a vertebrate animal that shares an evolutionary ancestor with humans ~400 million years ago.
Biotechnology
Dec 4, 2020
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164
A research team featuring bioinformaticians from the Moscow Institute of Physics and Technology (MIPT) has identified reliable markers of gene activity. The discovery has potential for future applications in clinical practice. ...
Molecular & Computational biology
Apr 10, 2019
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