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Genetics News
Fri, 09 Oct 2015 08:32:01 EDT
Cell cytoplasm: Floppy but fast
Inside cells, communication between the nucleus, which harbors our precious genetic material, and the cytoplasm is mediated by the constant exchange of thousands of signaling molecules and proteins. Until now, it was unknown how this protein traffic can be so fast and yet precise enough to prevent the passage of unwanted molecules. Through a combination of computer simulations and various experimental techniques, researchers have now solved this puzzle: A very flexible and disordered protein can bind to its receptor within billionths of a second.
Thu, 08 Oct 2015 17:35:17 EDT
Plant biosensor could help African farmers fight parasitic 'witchweed'
Striga, also known as witchweed, is a parasitic plant that affects 100 million people in sub-Saharan Africa. Researchers have made a discovery that could lead to more effective ways to protect farmers' crops.
Thu, 08 Oct 2015 17:35:15 EDT
Molecular characteristics of mammalian melanopsins for non-visual photoreception
A mammalian photoreceptive protein melanopsin spontaneously releases the chromophore retinal, say researchers. The property would be important to regulate non-visual photoreception in mammals.
Thu, 08 Oct 2015 14:24:59 EDT
Beetles provide clues about the genetic foundations of parenthood
Researchers have identified many of the genetic changes that take place in burying beetles as they assume the role of parent. These findings may provide clues about the fundamental genetics of parenthood in insects and other animals, say the authors.
Thu, 08 Oct 2015 09:51:20 EDT
Lab-grown 3D intestine regenerates gut lining in dogs
Working with gut stem cells from humans and mice, scientists have successfully grown healthy intestine atop a 3-D scaffold made of a substance used in surgical sutures.
Wed, 07 Oct 2015 12:58:33 EDT
Agronomist explores the genetics that allow hybrid plants to perform better than parents
A new study of sorghum explores the genetics of heterosis, the process by which hybrid plants perform better than the parent varieties used to create them. The new study fills in some of the gaps that have nagged scientists for years and could lead to more precision in plant breeding, notes the lead author.
Wed, 07 Oct 2015 08:42:55 EDT
New protein found in immune cells
Immunobiologists have discovered Kidins220/ARMS in B cells, and demonstrate its functions. B lymphocytes, also known as B cells, are the only cells to produce antibodies, which the immune system needs to fight off foreign intruders like pathogens in order to protect the human body.
Wed, 07 Oct 2015 08:36:00 EDT
Nobel Prize in Chemistry 2015
The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry for 2015 to Tomas Lindahl Francis Crick Institute and Clare Hall Laboratory, Hertfordshire, UK, Paul Modrich Howard Hughes Medical Institute and Duke University School of Medicine, Durham, NC, USA, and Aziz Sancar University of North Carolina, Chapel Hill, NC, USA, "for mechanistic studies of DNA repair."
Tue, 06 Oct 2015 12:37:56 EDT
Researchers uncover new genetic markers for wheat improvement
Wheat scientists have completed the first study of a chromosome in a tertiary gene pool and have called it a breakthrough in exploring wheat wild relatives for future crop improvement.
Tue, 06 Oct 2015 12:36:37 EDT
Protein reactions identified with subatomic resolution
Using subatomic resolution, researchers have gained insights into the dynamic modus operandi of two switch proteins which are responsible for the import of compounds into the nucleus and for cell growth. The team combined different methods in order to gain a resolution of one-hundredth of the atomic diameter.
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