منابع مشابه
Determination of metabolic activity of streptomycetes in soil microcosms.
Two Streptomyces griseus strains were isolated from different soil types. S. griseus CAG17 strain was isolated from an agricultural area with low organic matter but rich in phosphorus content and S. griseus 26K strain was isolated from a forest area rich in organic matter with a low phosphorus content. The survival and metabolic activity of these isolates were studied in dynamic sterile soil mi...
متن کاملDiversity Analysis of Streptomycetes and Associated Phosphotranspherase Genes in Soil
An attempt was made to verify the observation that Streptomyces griseus was prevalent in soil based on isolation work. A genus-specific PCR was developed for Streptomyces based on the housekeeping gene atpD and used to investigate species diversity within selected soils. The presence of S. griseus was investigated to determine coexistence of resistance-only streptomycin phosphotransferase (strA...
متن کاملSomaclonal Variation of Three Tolerance Streptomycetes Isolated from Saline Soil
The present investigation aims to the isolation of Streptomycetes from saline soil. The isolates were varied in color to aerial vegetative mycelia, morphology of conidospore surface, melanin production, utilization of carbon; nitrogen source and fatty acid analysis, as well as physical and chemical characters for their habitat soil. Streptomycetes isolates exhibiting wide range of variability. ...
متن کاملMathematical analysis of growth and interaction dynamics of streptomycetes and a bacteriophage in soil.
We observed the infection cycle of the temperate actinophage KC301 in relation to the growth of its host Streptomyces lividans TK24 in sterile soil microcosms. Despite a large increase in phage population following germination of host spores, there was no observable impact on host population numbers as measured by direct plate counts. The only change in the host population following infection w...
متن کاملMathematical Model of Plasmid Transfer between Strains of Streptomycetes in Soil Microcosms.
A mathematical model was developed and used to simulate the long-term dynamics of growth and plasmid transfer in nutrient-limited soil microcosms of Streptomyces lividans TK24 carrying chromosomal resistance to streptomycin, S. lividans 1326; and S. violaceolatus ISP5438. Donor, recipient, and transconjugant survival was modelled by an extension to the Verhulst logistic equation which takes acc...
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ژورنال
عنوان ژورنال: Journal of General Microbiology
سال: 1969
ISSN: 0022-1287
DOI: 10.1099/00221287-56-2-165