Deoxyribonucleic Acid Homology Among Bacillus polymyxa, Bacillus macerans, Bacillus azotofixans, and Other Nitrogen-Fixing Bacillus Strains
نویسندگان
چکیده
منابع مشابه
Efficiency factors and ATP/ADP ratios in nitrogen-fixing Bacillus polymyxa and Bacillus azotofixans.
The efficiency factor, the number of moles of ATP generated per mole of glucose fermented, was determined in anaerobic, non-carbon-limited N2-fixing cultures of Bacillus polymyxa, Bacillus macerans, Bacillus azotofixans, and Clostridium butyricum through identification and quantitation of the fermentation products by 13C nuclear magnetic resonance spectroscopy and measurement of acetate kinase ...
متن کاملPlasmid deoxyribonucleic acid in Bacillus subtilis and Bacillus pumilus.
Two of eighteen strains of Bacillus subtilis examined contained covalently closed circular duplex deoxyribonucleic acid (DNA) of homogeneous size and buoyant density. Strain ATCC 15841 contained about 16 copies per chromosome of plasmid pPL1, a circular DNA element having a molecular weight of about 4.7 times 10(6) and a buoyant density of 1.700. Strain ATCC 7003 contained about one to two copi...
متن کاملPectic Acid Lyases of Bacillus polymyxa 1
Four enzymes were separated from an extracellular preparation of Bacillus polymyxa by carboxymethylcellulose column chromatography. The pH optima were 8.3 to 8.5, 8.7 to 8.9, 9.2 to 9.4, and 9.5 to 9.6. All of the enzymes required calcium ion for maximum activity, whereas strontium ion was only partially effective in stimulating activity. Cobalt was the only other cation tested which was effect...
متن کاملKeratinolytic Potential of Feather-Degrading Bacillus polymyxa and Bacillus cereus
Keratinolytic abilities of Bacillus polymyxa B20 and B. cereus B5esz were evaluated in liquid cultures in mineral media containing chicken feathers. Both tested strains were capable of effective liquefying and biodegradation of feather keratin, up to 56.5 – 72.1% in ten-day cultures, releasing considerable amounts of hydrolysis products. Tested bacteria were mesophilic species, producing highes...
متن کاملGenetic diversity among Bacillus anthracis, Bacillus cereus and Bacillus thuringiensis strains using repetitive element polymorphism-PCR.
Repetitive element polymorphism-PCR (REP-PCR) is one of the tools that has been used to elucidate genetic diversity of related microorganisms. Using the MB1 primer, REP-PCR fingerprints from 110 Bacillus strains within the "B. cereus group" have identified eighteen distinct categories, while other more distantly related bacterial species fell within six additional categories. All Bacillus anthr...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Systematic Bacteriology
سال: 1985
ISSN: 0020-7713,1465-2102
DOI: 10.1099/00207713-35-2-151