نتایج جستجو برای: actinomycetes

تعداد نتایج: 2577  

Journal: :Journal of Bacteriology 1960

Journal: :The Journal of antibiotics 1976
D R Brannon J A Mabe D S Fukuda

Bacteria and actinomycetes were screened for esterase enzymes capable of removing the para-nitrobenzyl ester from cephalosporins. An esterase preparation from Bacillus subtilis was used to prepare cephalexin and 7-ADCA from the corresponding para-nitrobenzyl esters.

Journal: :حفاظت گیاهان 0
سالاری سالاری شهیدی بنجار شهیدی بنجار صادقی صادقی پنجه که پنجه که امینایی امینایی شاکری شاکری

abstract this research was invistigated activitiy of antagonistic activity of 200 soil actinomycete isolates assayed against phytophthora parasitica and p. citrophthora in kerman provice. among all actinomycetes, strains of 19 and 29 showed high level of activity in agar disk and well-diffusion methods. in both isolates, the active substance was water and metanol soluble but insoluble in chloro...

Journal: :international journal of nano dimension 0
g. narasimha applied microbiology laboratory, department of virology, sri venkateswara university, tirupati- 517502 andhra pradesh, india. a. janardhan applied microbiology laboratory, department of virology, sri venkateswara university, tirupati- 517502 andhra pradesh, india. m. alzohairy department of medical laboratories, college of applied medical sciences, qassim university, qassim, po box 6699, kingdom of saudi arabia. h. khadri department of medical laboratories, college of applied medical sciences, qassim university, qassim, po box 6699, kingdom of saudi arabia. k. mallikarjuna department of physics, sri venkateswara university, tirupati-517502 andhra pradesh, india.

the development of the eco friendly procedures makes nanoparticles as the rapidly growing field of nanotechnology. amongst, the silver nanoparticles have become prominent in the field of medicine to their peculiar antimicrobial properties. in the present study we suggest an eco friendly procedure of extracellular synthesis of silver nanoparticles with an average sizes of 5-50nm using an actinom...

Journal: :progress in biological sciences 2014
javad hamedi reyhaneh papiran hamid moghimi

cardaria draba is an important, troublesome weed in the sustainable production of wheat. inthe first step of this study, 100 actinomycete isolates were purified from soil samples collectedfrom the rhizosphere and phyllosphere of plants in different provinces of iran. all isolates weresubjected to primary screening by assaying the fermentation broth of the sterile surfaces of c.draba leaves. con...

Journal: :iranian journal of microbiology 0
selvakumar dharmaraj department of aquatic biology and fisheries, university of kerala, kariavattom campus, trivandrum 695581, india. b ashokkumar zoological survey of india, marine biological station, santhome high road, chennai 600028, india. k dhevendaran department of aquatic biology and fisheries, university of kerala, kariavattom campus, trivandrum 695581, india.

background and objectives: in marine actinomycetes, carotenoid production occurs in constitutive, light-dependent or cryptic manner. the present work deals with the fermentative production of carotenoids from marine actinomycetes. materials and methods: marine actinomycetes namely streptomyces strain aqbmm35 was isolated from the marine sponge mycale mytilorum collected from south west coast of...

Journal: :Journal of Bacteriology 1940

Journal: :Journal of the agricultural chemical society of Japan 1992

Journal: :The Journal of General and Applied Microbiology 1969

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