News tagged with plant genes
Big pest, small genome: Blueprint of spider mite may yield better pesticides
(PhysOrg.com) -- An international research team decoded the genetic blueprint of the two-spotted spider mite, raising hope for new ways to attack the major pest, which resists pesticides and destroys crops ...
Nov 23, 2011 |
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Jumping gene enabled key step in corn domestication
Corn split off from its closest relative teosinte, a wild Mexican grass, about 10,000 years ago thanks to the breeding efforts of early Mexican farmers. Today it's hard to tell that the two plants were ever close kin: Corn ...
Sep 25, 2011 |
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With secondhand gene, 'freaky mouse' defeats common poison
Over millennia, mice have thrived despite humanity's efforts to keep them at bay. A Rice University scientist argues some mice have found two ways to achieve a single goal -- resistance to common poison.
Jul 21, 2011 |
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Selaginella genome adds piece to plant evolutionary puzzle
(PhysOrg.com) -- A Purdue University-led sequencing of the Selaginella moellendorffii (spikemoss) genome - the first for a non-seed vascular plant - is expected to give scientists a better understanding of how ...
May 05, 2011 |
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New genetic study helps to solve Darwin's mystery about the ancient evolution of flowering plants
(PhysOrg.com) -- The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated, a new study indicates. According ...
Apr 10, 2011 |
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To prevent inbreeding, flowering plants have evolved multiple genes, research reveals
A research team led by Teh-hui Kao, professor of biochemistry and molecular biology at Penn State University, in collaboration with a team lead by Professor Seiji Takayama at the Nara Institute of Science ...
Nov 04, 2010 |
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New evidence in plants shows micro-RNA can move
Ever since tiny bits of genetic material known as microRNA were first characterized in the early 1990s, scientists have been discovering just how important they are to regulating the activity of genes within cells.
Apr 21, 2010 |
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The story of X -- evolution of a sex chromosome
(PhysOrg.com) -- Move over, Y chromosome - it's time X got some attention. In the first evolutionary study of the chromosome associated with being female, University of California, Berkeley, biologist Doris ...
Apr 16, 2009 |
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Pod corn develops leaves in the inflorescences
In a variant of maize known as pod corn, or tunicate maize, the maize kernels on the cob are not 'naked' but covered by long membranous husks known as glumes. According to scientists from the Max Planck Institute ...
Apr 24, 2012 |
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Scientists find how plants grow to escape shade
Mild mannered though they seem, plants are extremely competitive, especially when it comes to getting their fair share of sunlight. Whether a forest or a farm, where plants grow a battle wages for the sun's ...
Apr 15, 2012 |
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Direct transfer of plant genes from chloroplasts into the cell nucleus
Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. ...
Apr 13, 2012 |
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Scientists reveal genetic mutation depicted in van Gogh's sunflower paintings
In addition to being among his most vibrant and celebrated works, Vincent van Gogh's series of sunflower paintings also depict a mutation whose genetic basis has, until now, been a bit of a mystery.
Mar 29, 2012 |
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Plants can 'remember' drought and change responses to survive
(PhysOrg.com) -- Plants subjected to a previous period of drought learn to deal with the stress thanks to their memories of the experience, new research has found.
Mar 15, 2012 |
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Fused genes tackle deadly Pierce's disease in grapevines
A gene fusion research project led by a University of California, Davis, plant scientist delivers a one-two punch to Pierce's disease, a deadly threat to California's world-renowned wine industry.
Feb 20, 2012 |
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Genes may travel from plant to plant to fuel evolution: study
The evolution of plants and animals generally has been thought to occur through the passing of genes from parent to offspring and genetic modifications that happen along the way. But evolutionary biologists ...
Feb 16, 2012 |
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