Vitamin requirements of psychrophilic species of Bacillus
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چکیده
منابع مشابه
Isolation of psychrophilic species of Bacillus.
Larkin, J. M. (Washington State University, Pullman), and J. L. Stokes. Isolation of psychrophilic species of Bacillus. J. Bacteriol. 91:1667-1671. 1966.-Ninety psychrophilic isolates of Bacillus were obtained from soil, mud, and water by selective enrichment at 0 C. They grew well at 0 C, optimally at 20 to 25 C, and failed to grow at 30 or 35 C. Their minimal and maximal growth temperatures w...
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The morphological and physiological characteristics of 20 isolates of psychrophilic Bacillus were compared with 29 strains representing nine species of mesophilic Bacillus and 2 strains of Sporosarcina ureae to determine the taxonomic position of the psychrophiles. The psychrophiles formed four distinct groups which were sufficiently different from the mesophiles to warrant their designation as...
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Welshimer, H. J. (Medical College of Virginia, Richmond). Vitamin requirements of Listeria monocytogenes. J. Bacteriol. 85:1156-1159. 1963.-Semidefined and completely defined media were used to determine the growth response of Listeria monocytogenes to several vitamins. All strains tested failed to grow for more than one or two passages in the absence of any one of the following vitamins: ribof...
متن کاملVitamin requirements of three spiroplasmas.
A chemically defined medium (CC-494M) was used to study the vitamin requirements of three spiroplasmas representing three distinct serogroups: flower spiroplasmas [Spiroplasma floricola and FS (SR-3)] and honeybee spiroplasma [HBS (AS-576)]. Nicotinic acid and riboflavin were essential to spiroplasma growth. Nicotinamide could substitute for nicotinic acid. Populations of S. floricola, FS (SR-3...
متن کاملSuperdormant spores of Bacillus species have elevated wet-heat resistance and temperature requirements for heat activation.
Purified superdormant spores of Bacillus cereus, B. megaterium, and B. subtilis isolated after optimal heat activation of dormant spores and subsequent germination with inosine, d-glucose, or l-valine, respectively, germinate very poorly with the original germinants used to remove dormant spores from spore populations, thus allowing isolation of the superdormant spores, and even with alternate ...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1968
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.95.1.239-240.1968