Pushy neighbour sends several messages
How does a plant ensure that one cell remains responsible for making root cells for the rest of its life? The plant embryo contains the transcription factor MONOPTEROS. This tells its neighbouring cell to become a centre ...
Mar 30, 2010 |
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Genes under control:Sscientists develop gene switch for chloroplasts in plant cells
The organelles of photosynthesis -- the chloroplasts - have their own DNA, messenger RNA and ribosomes for forming proteins. Max Planck scientists have now discovered how to regulate the formation of proteins in the chloroplasts. ...
Mar 30, 2010 |
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How plants put down roots
In the beginning is the fertilized egg cell. Following numerous cell divisions, it then develops into a complex organism with different organs and tissues. The largely unexplained process whereby the cells ...
Mar 15, 2010 |
5 / 5 (2) |
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Signal proteins for plant stem cells discovered
Wageningen University (The Netherlands) biochemist Dolf Weijers and his German colleagues have discovered how stem cells in a plant embryo are formed. The cells communicate with one another via the transportation of a protein, ...
Mar 11, 2010 |
5 / 5 (1) |
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Alternative Energy Crops in Space
(PhysOrg.com) -- What if space held the key to producing alternative energy crops on Earth? That's what researchers are hoping to find in a new experiment on the International Space Station.
Space & Earth / Space Exploration
Mar 10, 2010 |
4.5 / 5 (2) |
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Asexual plant reproduction may seed new approach for agriculture
An HHMI scientist has moved a step closer to turning sexually-reproducing plants into asexual reproducers, a finding that could have profound implications for agriculture.
Mar 08, 2010 |
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Can corn be taught to fix its own nitrogen?
Nitrogen fertilization is essential for profitable corn production. It also is a major cost of production and can contribute to degradation of the environment. Is it possible to "teach" corn to fix its own nitrogen, thus ...
Mar 04, 2010 |
5 / 5 (2) |
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New rice research sows seeds for growing success
(PhysOrg.com) -- With rice production in Australia plummeting and extreme weather events becoming more frequent, researchers at Macquarie University are working towards developing simple tests that could help ...
Mar 03, 2010 |
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Hydroelectric generator can be carried like a backpack
Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on ...
Technology / Energy & Green Tech
Mar 02, 2010 |
4.6 / 5 (19) |
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Root or shoot: Power struggle between genetic master switches decides stem cell fate
The first order of business for any fledgling plant embryo is to determine which end grows the shoot and which end puts down roots. Now, researchers at the Salk Institute expose the turf wars between two groups ...
Feb 28, 2010 |
5 / 5 (1) |
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Scientists grow solar cell components in tobacco plants
(PhysOrg.com) -- Over billions of years, plants have evolved very efficient sunlight-collecting systems. Now, scientists are trying to harness the finely tuned systems in tobacco plants in order to use them ...
Nanotechnology / Bio & Medicine
Jan 29, 2010 |
4.4 / 5 (32) |
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Capturing Fast Pollen Tube Growth on Camera, Researchers Pin Down Plant Fertilization Process
(PhysOrg.com) -- Studying pollen tubes, University of Massachusetts Amherst plant cell biologist Peter Hepler and colleagues have captured some of the fastest growing tissues known, on camera for the first time, to advance ...
Jan 27, 2010 |
4 / 5 (1) |
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Green plant transport mystery solved
Contrary to prevailing wisdom, a new study from plant biologists at UC Davis shows that proteins of the Hsp70 family do indeed chaperone proteins across the membranes of chloroplasts, just as they do for other cellular structures.
Jan 26, 2010 |
4 / 5 (1) |
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UCF professor's vaccine could be lethal weapon against malaria, cholera
Mankind may finally have a weapon to fight two of the world's deadliest diseases.
Medicine & Health / Medical research
Jan 26, 2010 |
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European space company wants solar power plant in space
(PhysOrg.com) -- EADS Astrium, Europe's biggest space company, plans to put a solar power satellite in orbit to demonstrate the collection of solar power in space and its transmission via infrared laser to ...
Technology / Energy & Green Tech
Jan 21, 2010 |
4.3 / 5 (23) |
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