News tagged with tobacco plant
Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers
Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...
May 23, 2012 |
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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 |
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Plant researchers locate transporter used for nicotine metabolism
The next time you take aspirin for a headache, thank a willow tree. Salicylic acid, a compound chemically similar to aspirin, is found in willow tree bark and is made by the plant as a chemical defense against pathogens. ...
Nov 01, 2011 |
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Fill 'er up with tobacco? Berkeley lab-led team explores new path to biofuels
(PhysOrg.com) -- Mention biofuels and most people think of corn ethanol. Some may think of advanced biofuels from switchgrass or miscanthus. But tobacco? Not likely.
Feb 24, 2012 |
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Tobacco plant-made therapeutic thwarts West Nile virus
A new therapeutic made from tobacco plants has been shown to arrest West Nile virus infection, according to a new study by Arizona State University scientist Qiang Chen and his colleagues.
Feb 01, 2010 |
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Engineered tobacco plants have more potential as a biofuel
Researchers from the Biotechnology Foundation Laboratories at Thomas Jefferson University have identified a way to increase the oil in tobacco plant leaves, which may be the next step in using the plants for biofuel. Their ...
Dec 31, 2009 |
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Tobacco plant thwarts caterpillar onslaught by opening flowers in the morning
We normally think of pollinators as providing a valuable service to plants, and they certainly do. In exchange for nectar, pollinators like the well-known honey bee carry pollen from one plant to the other ...
Jan 21, 2010 |
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Tests underway for new HIV drug farmed from GM tobacco plants
A clinical trial of a potential Human Immunodeficiency Virus (HIV) drug farmed from genetically modified (GM) tobacco plants has at long last got underway in the United Kingdom. The beginning of the trial ...
Aug 25, 2011 |
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Researcher develop new technique for modifying plant genes
Researchers at the University of Minnesota and Massachusetts General Hospital have used a genome engineering tool they developed to make a model crop plant herbicide-resistant without significant changes to its DNA.
Apr 29, 2009 |
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Study of phytoremediation benefits of 86 indoor plants published
Formaldehyde is a major contaminant of indoor air, originating from particle board, carpet, window coverings, paper products, tobacco smoke, and other sources. Indoor volatile organic compounds (VOCs) such as formaldehyde ...
Jun 23, 2011 |
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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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Lethal backfire: Green odor with fatal consequences for voracious caterpillars
During field studies, scientists at the Max Planck Institute for Chemical Ecology discovered that the oral secretions of tobacco hornworm larvae contain a particular substance that promptly ...
Aug 26, 2010 |
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Collagen manufactured from transgenic tobacco plants
A scientist at the Hebrew University of Jerusalem's Robert H. Smith Faculty of Agriculture, Food and Environment has succeeded in producing a replica of human collagen from tobacco plants - an achievement with tremendous ...
Jun 10, 2010 |
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Tobacco plants yield the first vaccine for the dreaded 'cruise ship virus'
Scientists have used a new vaccine production technology to develop a vaccine for norovirus, a dreaded cause of diarrhea and vomiting that may be the second most common viral infection in the United States after the flu. ...
Aug 18, 2009 |
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Tobacco makes medicine
Tobacco isn't famous for its health benefits. But now scientists have succeeded in using genetically modified tobacco plants to produce medicines for several autoimmune and inflammatory diseases, including diabetes. The research ...
Mar 19, 2009 |
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