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Latest David Jackson Stories

2013-02-04 14:49:22

A team of plant geneticists at Cold Spring Harbor Laboratory (CSHL) has successfully demonstrated what it describes as a "simple hypothesis" for making significant increases in yields for the maize plant. Called corn by most people in North America, modern variants of the Zea mays plant are among the indispensable food crops that feed billions of the planet's people. As global population soars beyond 6 billion and heads for an estimated 8 to 9 billion by mid-century, efforts to boost...

2011-08-25 21:34:14

Study finds KN1 trafficking through tiny channels called plasmodesmata cannot occur without chaperonins Like all living things, plants depend for their growth and sustenance on elaborate signaling networks to maintain stem cells, cells that have an almost magical regenerative capacity. The signals sent through these networks convey an incredible diversity of instructions, which make it possible for plants to follow genetic and cellular programs regulating growth, shape, and energy...

2011-08-03 13:05:01

grassy tillers1 suppresses branching, enabling maize to grow taller when shade encroaches -- a key to teosinte's ancient domestication When an animal gets too hot or too cold, or feels pangs of hunger or thirst, it tends to relocate "“ to where it's cooler or hotter, or to the nearest place where food or water can be found.  But what about vegetative life?  What can a plant do under similar circumstances? Plants can't change the climate and they can't uproot themselves to move...

2008-10-23 09:10:00

By Kathy Kiely and David Jackson LEESBURG, Va. -- Democrat Barack Obama and Republican John McCain critiqued each other's economic proposals Wednesday as the two men barnstormed through crucial states that Obama hopes to win and McCain is trying to defend. Visiting a Northern Virginia county that President Bush won by more than 13,000 votes in 2004, Obama drew a crowd -- estimated at 35,000 by the township parks department -- that stretched across the rolling hills of a local park. "Is this...

2008-08-13 06:00:06

By David Jackson and Jeffrey Stinson After five days of deadly fighting, Russia appears to have achieved what it wanted: It reclaimed two semi-independent regions from neighboring Georgia and showed that the West is powerless to stop it, analysts said Tuesday. Russian leaders are "sending a message," said Jeffrey Mankoff, adjunct fellow for Russia studies with the Council on Foreign Relations. "They're back, and they're willing to stand up for their interests. ... And the West doesn't...