News tagged with natural resistance
Bean bugs found to harbor bacteria that keep them safe from an insecticide
(Phys.org) -- Conventional wisdom says that in order for a species of insect to develop resistance to an antibiotic, several generations have to pass, whereby genes from those that have some natural resistance ...
Apr 25, 2012 |
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Pacific Ocean natural products isolated from marine mollusks, sponges can reverse multidrug resistance in cancer cells
(Phys.org) -- Many marine natural products show anticancer activity, but some can reverse multidrug resistance in cancer cells. A new investigation by Robert J. Capon of the University of Queensland correlates ...
Apr 12, 2012 |
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Handheld plasma flashlight rids skin of notorious pathogens
(PhysOrg.com) -- A group of Chinese and Australian scientists have developed a handheld, battery-powered plasma-producing device that can rid skin of bacteria in an instant.
Apr 04, 2012 |
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Roundworm research reviewed in Science publication
There are 16,000 types of parasitic roundworms causing illnesses in humans and animals. Controlling their effects on health becomes more difficult as the medicines used to treat them become less effective. A University of ...
Feb 03, 2012 |
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Plant pathologists put the squeeze on citrus disease
(PhysOrg.com) -- With Florida's $9 billion citrus industry threatened by a deadly bacterial disease, Rick Kress '73 asked scientists at Cornell's New York State Agricultural Experiment Station in Geneva for ...
Jan 17, 2012 |
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Rice's 'quantum critical' theory gets experimental boost
New evidence this week supports a theory developed five years ago at Rice University to explain the electrical properties of several classes of materials -- including unconventional superconductors -- that ...
Jan 11, 2012 |
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Researchers use whole-genome sequencing to monitor evolution of drug resistance in bacteria
(PhysOrg.com) -- Two research groups working independently have come up with two different ways to use whole-genome sequencing to follow the path bacteria take in developing resistance to anti-bacterial drugs. Such research ...
Dec 19, 2011 |
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Different paths to drug resistance in Leishmania
Two remarkable discoveries were today revealed by researchers into genome analysis of Leishmania parasites. These results uncovered a surprising level of variation at the genome structure level.
Oct 27, 2011 |
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Genetic engineers create smarter toxins to help crops fight resistant pests
One of the most successful strategies in pest control is to endow crop plants with genes from the bacterium Bacillus thuringiensis, or Bt for short, which code for proteins that kill pests attempting to eat ...
Oct 09, 2011 |
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Scientists develop new potato lines to wage war on wireworms
When wireworms feast on potatoes, the results aren't pretty: The spuds' surfaces are left punctured, pitted and unappealing. For the past few years, U.S. Department of Agriculture (USDA) scientists and their colleagues have ...
Sep 19, 2011 |
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Resistance to antibiotics is ancient: study
Scientists were surprised at how fast bacteria developed resistance to the miracle antibiotic drugs when they were developed less than a century ago. Now scientists at McMaster University have found that resistance has been ...
Aug 31, 2011 |
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Artificial light quality affects herbivore preference for seedlings
In horticultural production, growers often depend on systems that use artificial light to produce high-quality transplants. Although the systems are efficient, fluorescent lamps can produce plants with shorter shoots than ...
Jun 22, 2011 |
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Cooling system may build eggs' natural defenses against salmonella
(PhysOrg.com) -- Once eggs are laid, their natural resistance to pathogens begins to wear down, but a Purdue University scientist believes he knows how to rearm those defenses.
Jun 21, 2011 |
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Scientists investigate an innovative protein family in plants
A team of European researchers has succeeded in revealing how a family of proteins work, which until now remained a mystery, according to a new study published in the journal Nature.
May 26, 2011 |
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Groups sue US over antibiotics in farm feed
A coalition of consumer groups filed a federal lawsuit Wednesday against the US Food and Drug Administration over the use of human antibiotics in animal feed, saying it creates dangerous superbugs.
May 25, 2011 |
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