News tagged with plant genetics
New research on rapidly-disappearing ancient plant offers hope for species recovery
Cycads, "living fossil" descendents of the first plants that colonized land and reproduced with seeds, are rapidly going extinct because of invasive pests and habitat loss, especially those species endemic ...
Jul 13, 2010 |
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What plant genes tell us about crop domestication
Anyone who has seen teosinte, the wild grass from which maize (corn) evolved, might be forgiven for assuming many genetic changes underlie the transformation of one plant to the other.
Jul 07, 2010 |
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Plant growth hormones: Antagonists cooperate
The two most important growth hormones of plants, so far considered antagonists, also work synergistically. The activities of auxin and cytokinin, key molecules for plant growth and the formation of organs, ...
Jun 24, 2010 |
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Success with 'cisgenics' in forestry offers new tools for biotechnology
Forestry scientists at Oregon State University have demonstrated for the first time that the growth rate and other characteristics of trees can be changed through "cisgenics" - a type of genetic engineering ...
Jun 08, 2010 |
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Seeds of aflatoxin-resistant corn lines available
Six new corn inbred lines with resistance to aflatoxin contamination have been found to be free of seed-borne diseases foreign to the United States, and seeds of these lines are now available in the United States for further ...
May 20, 2010 |
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Scientists ID Bacterial Genes that Improve Plant Growth
You might think bacteria that "invade" trees are there to cause certain destruction. But like the helpful bacteria that live within our guts, some microbes help plants thrive. To find out what makes these ...
May 13, 2010 |
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A new approach that saves eyesight and lives in the developing world
Two Agricultural Research Service (ARS) scientists are part of an international team that has found a way to boost the nutritional value of corn. This has the potential to reduce the number of children in developing countries ...
May 03, 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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Tomato gene may fend banana against formidable fungus
(PhysOrg.com) -- Proteins from the fungus Cladosporium fulvum, which causes leaf blight in tomato plants, are very similar to the proteins of the fungus Mycosphaerella fijiensis, which causes the much-feared black Sigato ...
Apr 13, 2010 |
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Genetic key discovered to dramatically increase yields and improve taste of hybrid tomato plants
Spectacularly increased yields and improved taste have been achieved with hybrid tomato plants by researchers at the Robert H. Smith Faculty of Agriculture, Food and Environment at the Hebrew University and ...
Apr 06, 2010 |
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Traces of early Native Americans -- in sunflower genes
New information about early Native Americans' horticultural practices comes not from hieroglyphs or other artifacts, but from a suite of four gene duplicates found in wild and domesticated sunflowers.
Apr 02, 2010 |
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Single gene dramatically boosts yield, sweetness in tomato hybrids
Giving tomato breeders and ketchup fans something to cheer about, a Cold Spring Harbor Laboratory (CSHL) scientist and his colleagues at the Hebrew University in Israel have identified a gene that pushes hybrid ...
Mar 28, 2010 |
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Genome mapping technique speeds process of finding specific genes
(PhysOrg.com) -- A Purdue University scientist was part of a global team that has demonstrated a specialized mapping technique that could speed work in genomic fields by quickly finding genetic associations that shape an ...
Mar 25, 2010 |
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Searching for genes behind a trait
A method pioneered to find the genetic basis of human diseases also holds promise for locating the genes behind important traits in plants, according to a study published online March 24 by the journal Nature.
Mar 24, 2010 |
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Dormant microbes promote diversity, serve environment: study
(PhysOrg.com) -- The ability of microbes, tiny organisms that do big jobs in our environment, to go dormant not only can save them from death and possible extinction but may also play a key role in promoting ...
Mar 19, 2010 |
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