To fit the two-meter long DNA molecule into a cell nucleus that is only a few thousandths of a millimetre in size, long sections of the DNA must be strongly compacted. Epigenetic marks maintain these sections, known as heterochromatin. ...
Cell & Microbiology
Sep 25, 2012
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Queen bees and ants emit a chemical that alters the DNA of their daughters and keeps them as sterile and industrious workers, scientists have found.
Plants & Animals
Jan 28, 2016
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155
Collaborators from Mayo-Illinois Alliance for Technology Based Healthcare have developed a new, single molecule test for detecting methylated DNA. Methylation—the addition of a methyl group of molecules to a DNA strand—is ...
Bio & Medicine
Mar 14, 2013
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DNA represents a dynamic form of information, balancing efficient storage and access requirements. Packaging approximately 1.8m of DNA into something as small as a cell nucleus is no mean feat, but unpacking it again to access ...
Biotechnology
Nov 6, 2015
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35
The exquisite social hierarchy of insect colonies has long fascinated scientists. Take two eggs—both contain identical genetic material, but while one becomes a sterile worker, the other may develop into a queen that can ...
Plants & Animals
Jan 21, 2016
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127
New research lead by Keith Slotkin, Ph.D., a member of the Donald Danforth Plant Science Center, opens the door for scientists to equip plants with the tools they need to adapt to rising levels of carbon dioxide (CO2), high ...
Plants & Animals
Apr 11, 2023
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49
A study published in this week's online issue of Nature Biotechnology, demonstrates a unique and highly sensitive method for detecting methylation-associated cancers.
Biotechnology
Aug 16, 2009
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Although all cells in an organism have the same genetic information, not all perform the same function, being as not all of them have the same active genes. Part of these differences in gene activity is due to DNA methylation, ...
Biotechnology
May 19, 2020
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2
Scientists at the Institute of Molecular Biology (IMB) in Mainz have identified a missing piece of the puzzle in understanding how epigenetic marks are removed from DNA. The research on DNA demethylation sheds new light on ...
Biotechnology
Jan 12, 2016
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24
A team led by New York Stem Cell Foundation (NYSCF) Research Institute scientists conducted a study comparing induced pluripotent stem (iPS) cells and embryonic stem cells created using somatic cell nuclear transfer (SCNT). ...
Cell & Microbiology
Nov 6, 2014
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