News tagged with plant biologist
Related topics: plants
Ultraviolet protection molecule in plants yields its secrets
Lying around in the sun all day is hazardous not just for humans but also for plants, which have no means of escape. Ultraviolet (UV) radiation from the sun can damage proteins and DNA inside cells, leading ...
Feb 09, 2012 |
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Scientists replicate key evolutionary step in life on earth
(PhysOrg.com) -- More than 500 million years ago, single-celled organisms on Earth's surface began forming multi-cellular clusters that ultimately became plants and animals.
Jan 16, 2012 |
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Plant genomes may help next generation respond to climate change
In the face of climate change, animals have an advantage over plants: They can move. But a new study led by Brown University researchers shows that plants may have some tricks of their own.
Oct 06, 2011 |
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How plants drove animals to the land
(PhysOrg.com) -- A new study of ancient oxygen levels presents the first concrete evidence that after aquatic plants evolved and boosted the levels of oxygen aquatic life exploded, leading to fierce competition ...
Other Sciences / Archaeology & Fossils
Sep 30, 2010 |
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Research suggests cells communicate via biophotons
(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...
May 23, 2012 |
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Plants mimic scent of pollinating beetles
The color and scent of flowers and their perception by pollinator insects are believed to have evolved in the course of mutual adaptation. However, an evolutionary biologist from the University of Zurich has ...
Apr 03, 2012 |
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Plants can 'remember' drought and change responses to survive
(PhysOrg.com) -- Plants subjected to a previous period of drought learn to deal with the stress thanks to their memories of the experience, new research has found.
Mar 15, 2012 |
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Biologists offer clearer picture of how protein machine systems tweak gene expression
Indiana University biologists have found that specific types of RNA polymerase enzymes, the molecular machines that convert DNA into RNA, can differ in function based on variation in the parts -- in this case ...
Mar 01, 2012 |
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Genes may travel from plant to plant to fuel evolution: study
The evolution of plants and animals generally has been thought to occur through the passing of genes from parent to offspring and genetic modifications that happen along the way. But evolutionary biologists ...
Feb 16, 2012 |
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A major step forward towards drought tolerance in crops
When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...
Dec 19, 2011 |
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Discovery of new gene could improve efficiency of molecular factories
The discovery of a new gene is helping researchers at Michigan State University envision more-efficient molecular factories of the future.
Nov 03, 2011 |
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Growing without cell division
An international team of scientists, including biologists from the University of North Carolina at Chapel Hill, may have pinpointed for the first time the mechanism responsible for cell polyploidy, a state ...
Nov 01, 2011 |
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How plants sense touch, gravity and other physical forces
(PhysOrg.com) -- At the bottom of plants' ability to sense touch, gravity or a nearby trellis are mechanosensitive channels, pores through the cells' plasma membrane that are opened and closed by the deformation ...
Oct 21, 2011 |
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Bird pollinated plant mixes it up when it comes to sex
Across the western Cape of South Africa can be found small plants in the Iris family called Babiana. Flitting between them are sunbirds, small colourful birds like the African version of hummingbirds, that d ...
Sep 06, 2011 |
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Molecular chaperones traffic signaling proteins between cells in plant stem-cell maintenance pathway
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 ...
Aug 25, 2011 |
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