Genetic Transformation ofMoraxella-like Psychrotrophic Bacteria and Their Radiation-sensitivity
نویسندگان
چکیده
منابع مشابه
Mesophilic and psychrotrophic bacteria from meat and their spoilage potential in vitro and in beef.
Mesophilic and psychrotrophic populations from refrigerated meat were identified in this study, and the spoilage potential of microbial isolates in packaged beef was evaluated by analyzing the release of volatile organic compounds (VOC) by gas chromatography-mass spectrometry (GC/MS). Fifty mesophilic and twenty-nine psychrotrophic isolates were analyzed by random amplified polymorphic DNA-PCR,...
متن کاملPsychrotrophic bacteria and milk and dairy products quality
The characteristics of microbial populations in raw milk at the time of processing has a significant influence on shelf life, organoleptic quality, spoilage and yields of the raw milk, processed milk as well as on the other dairy products. Unfortunately, cold and extended storage of raw milk, as a common practice in dairy sector today, favour the growth of psychrotrophic bacteria. Therefore, th...
متن کاملHeat sensitivity of Azotobacter vinelandii genetic transformation.
Heating competent Azotobacter vinelandii at 37 or 42 degrees C resulted in a total loss of competence with no loss of viability. The transformation process was relatively insensitive to heating at either temperature once DNase-resistant DNA binding was nearly complete. Although competent and 42 degrees C-treated cells bound equivalent amounts of [32P]DNA in a DNase-resistant state, no donor DNA...
متن کاملCold shock response and low temperature adaptation in psychrotrophic bacteria.
Psychrotrophic bacteria are capable of developing over a wide temperature range and they can grow at temperatures close to or below freezing. This ability requires specific adaptative strategies in order to maintain membrane fluidity, the continuance of their metabolic activities, and protein synthesis at low temperature. A cold-shock response has been described in several psychrotrophic bacter...
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Magentotactic bacteria are the types of bacteria capable of orientation in an external magnetic field because of the ability to produce structures called magnetosomes. Magnetosomes, nanometer-scale structures, are present in most of the magnetotactice bacteria. They are intracellular organelles composed of magnetic iron mineral crystals individually surrounded by a phospholipid layer. Because o...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1983
ISSN: 0002-1369
DOI: 10.1080/00021369.1983.10865688