News tagged with plant hormone auxin
Let the sun shine and the plants will follow
Leonardo da Vinci, the Italian Renaissance scientist and artist extraordinaire, in the 15th century was the first to record his observation that some plants appeared to follow the Sun, and he was not the last. ...
May 30, 2012 |
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New tool puts plant hormone under surveillance
(PhysOrg.com) -- Charles Darwin was the first to speculate that plants contain hormones. His pioneering research led to the identification of the very first and key plant growth hormone — auxin — ...
Jan 16, 2012 |
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Herbicide may affect plants thought to be resistant
Purdue University researchers have discovered a fine-tuning mechanism involved in plant root growth that has them questioning whether a popular herbicide may have unintended consequences, causing some plants to need more ...
Nov 22, 2011 |
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Scientists gain insight on how plants bend toward light
(PhysOrg.com) -- A Purdue University-led study may change how scientists think about how some plants bend toward light.
Jun 09, 2011 |
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Plant hormone auxin triggers a genetic switch
(PhysOrg.com) -- During the development of organisms, a particular event repeatedly occurs: a signal appears temporarily, but the processes it triggers must be maintained – for example, when the fate ...
Apr 18, 2011 |
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Study provides insight into how corn makes hormones
It's a corn plant only a geneticist could love, but an MU researcher has found a way to help scientists love it.
Mar 07, 2011 |
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How plants counteract against the shade of larger neighbors
Plants that "lose the battle" during competitiveness for light because they are shaded by larger neighbours, counteract. They adapt by rapid shoot elongation and stretch their leaves towards the sun. The molecular basis of ...
Dec 17, 2010 |
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Sensor important to understanding root, seedling development
A biosensor utilizing black platinum and carbon nanotubes developed at Purdue University will help give scientists a better understanding of how the plant hormone auxin regulates root growth and seedling establishment.
Aug 23, 2010 |
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Getting to the root of nutrient sensing
New research published by Cell Press in the June 15th issue of the journal Developmental Cell, reveals how plants modify their root architecture based on nutrient availability in the soil.
Jun 14, 2010 |
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Protein power for Jack and the beanstalk
Plant geneticists are on a determined quest -- to control auxin, a powerful plant growth hormone. Auxin tells plants how to grow, where to lay down roots, how to make tissues, and how to respond to light and gravity. Knowing ...
May 17, 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 |
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Explaining why pruning encourages plants to thrive
Scientists have shown that the main shoot dominates a plant's growth principally because it was there first, rather than due to its position at the top of the plant.
Sep 22, 2009 |
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Possible new hope for crops battling parasitic infection
Scientists from Ghent University and VIB (The Flemisch Institute for Biotechnology) have demonstrated how nematodes, also known as roundworms, manipulate the transport of the plant hormone auxin in order to force the plant ...
Biology /
Jan 16, 2009 |
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