News tagged with gene regulatory
Gene regulator in brain's executive hub tracked across lifespan
For the first time, scientists have tracked the activity, across the lifespan, of an environmentally responsive regulatory mechanism that turns genes on and off in the brain's executive hub. Among key findings ...
Feb 02, 2012 |
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Researchers identify novel regulatory network within legumes
(PhysOrg.com) -- Three collaborating laboratories in the Department of Plant and Soil Sciences at the University of Delaware -- those of professors Blake Meyers, Janine Sherrier and Pamela J. Green -- recently ...
Jan 30, 2012 |
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Gene switch for odorant receptors
The olfactory sensory neurons in the nasal mucosa perceive the myriad smells in the air with the aid of odorant receptors. Each sensory neuron chooses one and only one receptor gene for expression. The probability ...
Nov 11, 2011 |
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Breakthrough in the production of flood-tolerant crops
As countries such as Pakistan, Bangladesh, Vietnam and parts of the United States and United Kingdom have fallen victim to catastrophic flooding in recent years, tolerance of crops to partial or complete submergence ...
Oct 23, 2011 |
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Biologists describe key mechanism in early embryo development
New York University and University of Iowa biologists have identified a key mechanism controlling early embryonic development that is critical in determining how structures such as appendages -- arms and legs in humans -- ...
Oct 21, 2011 |
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'Dark matter' of the genome revealed through analysis of 29 mammals
An international team of researchers has discovered the vast majority of the so-called "dark matter" in the human genome, by means of a sweeping comparison of 29 mammalian genomes. The team, led by scientists from the Broad ...
Oct 12, 2011 |
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Gene regulatory networks in the bee brain linked to behavior
A new study reveals that distinct networks of genes in the honey bee brain contribute to specific behaviors, such as foraging or aggression, researchers report.
Sep 26, 2011 |
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All-access genome: New study explores packaging of DNA
While efforts to unlock the subtleties of DNA have produced remarkable insights into the code of life, researchers still grapple with fundamental questions. For example, the underlying mechanisms by which ...
Sep 23, 2011 |
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Genetic controller prepares immune system for diverse threats
An army of immune cells circulates the human body to protect against its potential foes—viruses, bacteria, cancer cells, and other invaders. Because the immune system cannot know what to expect, it must be prepared to ...
Sep 11, 2011 |
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Three periods of innovation in gene regulation occurred during the evolution of vertebrate animals: study
Over the past 530 million years, the vertebrate lineage branched out from a primitive jawless fish wriggling through Cambrian seas to encompass all the diverse forms of fish, birds, reptiles, amphibians, and mammals. Now ...
Aug 18, 2011 |
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Speeding up evolution: Orchid epigenetics
Organisms adapt to their dynamic environment using various strategies. Ovidiu Paun, working at the Department of Systematic and Evolutionary Botany, investigates how marsh orchids adjust to and diffuse in ...
Jul 28, 2011 |
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A gene implicated in speech regulates connectivity of the developing brain
Foxp2, a gene involved in speech and language, helps regulate the wiring of neurons in the brain, according to a study which will be published on July 7th in the open-access journal PLoS Genetics. The researchers identified this f ...
Jul 07, 2011 |
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The turn of the corkscrew: Structural analysis uncovers mechanisms of gene expression
The diverse functions of living cells are all based on the information encoded in the structure of the hereditary material DNA. Gene expression must therefore be tightly controlled, and this task is accomplished by the binding ...
Jul 07, 2011 |
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The good, the bad and the ugly: The many roles of c-JUN in cancer
The process of cell division is tightly regulated, as mistakes may lead to cancer. The so-called c-JUN protein has been fingered as causing tumors in both skin and liver. The group of Veronika Sexl at the University of Veterinary ...
Jun 28, 2011 |
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Biologists uncover regulatory mechanism for gene expression in the visual system
Biologists have uncovered a key regulatory mechanism used for gene expression in the visual system. Their findings, which appear in the latest issue of the journal Cell, offer new insights into the complexity behind the ge ...
Jun 09, 2011 |
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