News tagged with pollen proteins
Female plant 'communicates' rejection or acceptance of male
Biology /
Oct 23, 2008 |
5 / 5 (5) |
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(PhysOrg.com) -- Without eyes or ears, plants must rely on the interaction of molecules to determine appropriate mating partners and avoid inbreeding. In a new study, University of Missouri researchers have identified pollen ...
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Malfunction of the respiratory epithelium is a cause of allergy?
Apr 03, 2009 |
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One reason for the development of allergy may be malfunction of the respiratory epithelium, which allows allergens to bind to, enter and travel through the epithelium. Two studies by Finnish research groups on this subject ...
Biologists discover gene behind 'plant sex mystery'
Biology /
Oct 22, 2008 |
3.8 / 5 (11) |
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An enigma – unique to flowering plants – has been solved by researchers from the University of Leicester (UK) and POSTECH, South Korea. The discovery is reported in the journal Nature on 23 October 2008. ...
New Clues in the Plant Mating Mystery
Feb 16, 2006 |
4.2 / 5 (6) |
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New data suggest that molecular communication between the plant sexes--specifically the pollen of males and pistils of females--is more complicated than originally thought. Plants, like animals, avoid inbreeding ...
Biologists Unlock Secrets of Plants' Growing Tips
Aug 25, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- Biologist Magdalena Bezanilla and colleagues at the University of Massachusetts Amherst have used a technique they call multi-gene silencing to, for the first time, simultaneously silence nine genes in a ...
Tracking Genes for Self-pollination in Arabidopsis
Biology /
Apr 27, 2007 |
4.5 / 5 (2) |
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Some plants need a partner to reproduce. Pollen from one plant pollinates the stigma of another, and a seed is formed. But other plants can self-pollinate, a handy survival mechanism for a lonely plant.
The biochemical buzz on career changes in bees
Apr 06, 2009 |
4.5 / 5 (2) |
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Adults facing unexpected career changes, take note. Scientists from Brazil and Cuba are reporting that honey bees — a mainstay for behavioral research that cannot be done in other animals — change their brains ...
Scientists discover how 'companion' cells to sperm protect them from genetic damage
Biology /
Feb 05, 2009 |
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In plant pollen grains, sperm cells, which carry the genetic material to be passed on to progeny, are cocooned within larger "companion" cells that are called pollen vegetative cells. These companions provide sperm with ...
Well-traveled wasps provide hope for vanishing species
Nov 09, 2009 |
5 / 5 (3) |
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They may only be 1.5mm in size, but the tiny wasps that pollinate fig trees can travel over 160km in less than 48 hours, according to research from scientists at the University of Leeds. The fig wasps are transporting ...
Plant biologists discover gene that switches on 'essence of male'
Mar 20, 2009 |
4 / 5 (1) |
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Biologists at the University of Leicester have published results of a new study into plant sex - and discovered that a particular gene switches on 'the essence of male'.
Study finds bees can learn differences in food's temperature
Nov 17, 2009 |
1 / 5 (1) |
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Biologists at UC San Diego have discovered that honeybees can discriminate between food at different temperatures, an ability that may assist bees in locating the warm, sugar-rich nectar or high-protein pollen ...
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