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Genetics News
Tue, 27 Jun 2017 10:54:58 EDT
Insights into closed enzymes
Scientists have arrived at a structural model of the enzyme adenylate kinase in its closed state.
Tue, 27 Jun 2017 10:54:55 EDT
Structures vital to virus replication illuminated
Scientists have, for the first time, imaged molecular structures vital to how a major class of viruses replicates within infected cells. The research uses pioneering cryo-electron tomography to reveal the complex viral replication process in vivid detail, opening up new avenues to potentially disrupt, dismantle or redirect viral machinery.
Tue, 27 Jun 2017 10:53:40 EDT
Jellyfish fluorescence shines new light on DNA copying
Scientists have used florescent proteins from jellyfish to help shed new light on how DNA replicates.
Mon, 26 Jun 2017 18:09:12 EDT
Hunting microbes or smelling poison: A matter of evolution
Mammals possess several lines of defense against microbes. One of them is activated when receptors called Fprs, which are present on immune cells, bind to specific molecules that are linked to pathogens. Researchers showed in 2009 that these same receptors were also present in the nose of mice, probably to detect contaminated food or to avoid sick conspecifics. The biologists now describe how Fprs have acquired this olfactory role during rodent evolution, moving from the immune system to a neuronal system.
Mon, 26 Jun 2017 13:57:28 EDT
A little place for my stuff: How big bacteria can grow depends on how much fat they can make
Just as people endlessly calculate how to upsize or downsize, bacteria continually adjust their volume (their stuff) to fit inside their membrane (their space). But what limits their expansion? The answer will surprise you.
Mon, 26 Jun 2017 13:17:48 EDT
Rapidly mapping the 'social networks' of proteins
Scientists improved upon a classic approach to mapping the interactions between proteins.
Mon, 26 Jun 2017 12:46:08 EDT
Pulling the tablecloth out from under essential metabolism
Most organisms share the biosynthetic pathways for making crucial nutrients because it is is dangerous to tinker with them. But now a collaborative team of scientists has caught plants in the process of altering where and how cells make an essential amino acid.
Mon, 26 Jun 2017 12:46:03 EDT
Cloning thousands of genes for massive protein libraries
Discovering the function of a gene requires cloning a DNA sequence and expressing it. Until now, this was performed on a one-gene-at-a-time basis, causing a bottleneck. Scientists have invented a technology to clone thousands of genes simultaneously and create massive libraries of proteins from DNA samples, potentially ushering in a new era of functional genomics.
Mon, 26 Jun 2017 12:45:58 EDT
Peanut family secret for making chemical building blocks revealed
The peanut and its kin -- legumes -- have not one, but two ways to make the amino acid tyrosine. That might seem small, but why this plant family has a unique way to make such an important chemical building block is a mystery that extends back to the 1960s.
Mon, 26 Jun 2017 12:45:20 EDT
Vinegar: A cheap and simple way to help plants fight drought
Researchers have discovered a new, yet simple, way to increase drought tolerance in a wide range of plants. The study reports a newly discovered biological pathway that is activated in times of drought. By working out the details of this pathway, scientists were able to induce greater tolerance for drought-like conditions simply by growing plants in vinegar.
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