All Articles Tagged As: bacteria
High-tech tactics to carefully examine apples and other fresh produce items as they travel along packinghouse conveyor belts will help ensure the quality and safety of these good-for-you foods. US Department of Agriculture scientists in Beltsville, Md., have developed and patented an experimental, cutting-edge optical scanning system that would use two different kinds of lighting, a sophisticated camera and other pieces of equipment to scrutinize produce-section favorites while they are still at the packinghouse.
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Britain's soil bacteria have been mapped for the first time in the most comprehensive study of a country's soil biodiversity to date. The results are published today in the journal Environmental Microbiology.
To complete the map the scientific team, from the Centre for Ecology & Hydrology, Newcastle University and the University of Oxford, analyzed over 1,000 soil cores from England, Scotland and Wales, examining microbial DNA sequences in the laboratory to map bacterial biodiversity.
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The "mineral-breathing" bacteria found in many oxygen-free environments may be "carbon-breathing" as well.
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Exposure to light and possibly photosynthesis itself could be helping disease-causing bacteria to be internalized by lettuce leaves, making them impervious to washing, according to research published in the October issue of the journal Applied and Environmental Microbiology.
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 | Scientists have discovered a naturally occurring compound that triggers a plant's immune system, protecting it from infection. The patent-pending discovery could lead to an effective, inexpensive and environmentally safe way to improve plants' resistance to disease. Although it has long been known that plants have immune systems, how they has been studied intensely. This study discovered crucial steps and compounds involved in the immune system of a plant related to cabbage, broccoli and cauliflower. ...> Full Article |
A briefcase-sized kit may one day be used for quick, accurate field tests for microorganisms that could infect and kill plants. If the pathogen is found, experts can tell farmers how to prevent the devastation, according to a Texas AgriLife Research plant pathologist. A $1 million US Department of Agriculture grant is funding the effort to protect U.S. agriculture from bacterial, fungal and viral agents on the homeland security select list.
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Findings have implications for increasing biomass for the production of biofuels
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Researchers from Menzies School of Health Research in Darwin, Australia, have found that the soil bacterium Burkholderia pseudomallei, which causes the emerging infectious disease melioidosis in humans and animals, is associated with land management changes such as livestock husbandry or residential gardening. The study, published Jan. 20 in the open-access journal PLoS Neglected Tropical Diseases, sheds light on the environmental occurrence of this bacterium in the soil.
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