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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0
Researchers in Sweden and the U.S. have devised a new method for studying individual cells in human tissue, which could lead to even earlier detection of diseases such as cancer and ALS. The method offers a 1,400-fold increase ...
Biotechnology
Oct 1, 2019
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125
MicroRNAs are small molecules that regulate gene activity by binding to and destroying RNAs produced by the genes. More than 60% of all human genes are estimated to be regulated by microRNAs; therefore, it is not surprising ...
Cell & Microbiology
Sep 21, 2023
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23
(PhysOrg.com) -- Bioengineers at UC San Diego have developed a breakthrough method for sequencing-based methylation profiling, which could help fuel personalized regenerative medicine and even lead to more efficient and cost-effective ...
Biotechnology
Apr 22, 2009
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0
Humans, fish and frogs share neural circuits responsible for a diversity of social behavior, from flashy mating displays to aggression and monogamy, that have existed for more than 450 million years, biologists at The University ...
Other
May 31, 2012
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0
Scientists have identified more than 1,500 genetic differences between migratory and non-migratory hoverflies.
Plants & Animals
Jul 8, 2022
0
174
A growing body of evidence shows that those at the bottom of the socioeconomic ladder are more likely to die prematurely than those at the top. The pattern isn't unique to humans: Across many social animals, the lower an ...
Plants & Animals
Dec 17, 2018
0
101
IMP scientists from the lab of Alexander Stark show why certain activators—enhancers or cofactor proteins—activate specific promoters. The findings, which are now reported in the journal Nature, could have implications ...
Biotechnology
May 16, 2019
0
83
A key item in the developmental agenda of a plant leaf is the establishment of an axis that makes a leaf's top half distinct from its bottom half. This asymmetry is crucial for the leaf's function: it ensures that the leaf ...
Cell & Microbiology
Mar 1, 2009
1
0
Not only mineral oil and petroleum gas, also phosphorous is a scarce resource. According to well-respected scientists who gathered together for a conference in Cambridge this August, we will face significant problems relating ...
Biotechnology
Nov 14, 2011
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