Isolation and Characterization of Streptomycetes with-Plant Growth Promoting Potential from Mangrove Ecosystem

A total of 66 actinomycetes isolates were isolated from mangroves of Andhra Pradesh, India, using various enrichment techniques and pretreatments. The samples were collected from Coringa mangrove ecosystem and pre-treated by enrichment with CaCO3, sodium dodecyl sulphate and phenol, plated on the me...

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Bibliographic Details
Published in:Polish journal of microbiology 2015-01, Vol.64 (4), p.339-349
Main Authors: Shrivastava, Pooja, Kumar, Rajesh, Yandigeri, Mahesh S, Malviya, Nityanand, Arora, Dilip K
Format: Article
Language:English
Subjects:
Actinobacteria - classification
Actinobacteria - genetics
Actinobacteria - isolation & purification
Actinobacteria - metabolism
Actinomycetes
Antibiotics
Antimicrobial agents
Bacteria
Calcium carbonate
Carbon
Cycloheximide
DNA, Bacterial - genetics
Ecosystems
Enrichment
Enzymes
Fungi
Gene sequencing
Glucose
Gram-positive bacteria
Mangroves
Metabolites
Microorganisms
Morphology
Nalidixic acid
Nucleic Acid Amplification Techniques
Nystatin
Pathogens
Phenols
Physiology
Plant growth
rRNA 16S
Salinity
Scanning electron microscopy
Sodium dodecyl sulfate
Sodium lauryl sulfate
Soil Microbiology
Streptomycetes
Wetlands
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Summary:A total of 66 actinomycetes isolates were isolated from mangroves of Andhra Pradesh, India, using various enrichment techniques and pretreatments. The samples were collected from Coringa mangrove ecosystem and pre-treated by enrichment with CaCO3, sodium dodecyl sulphate and phenol, plated on the media supplemented with cycloheximide (50 mg/ml), nystatin (25 mg/ml) and nalidixic acid (50 mg/ml). The population count of actinomycetes fluctuated from 1.9 x 10(5) to 8.0 x 10(5)/g soil. Out of the isolated 66 actinomycetes, 8 isolates possessing plant growth promoting potential were further studied and characterized by physiological and biochemical traits and identified by 16S rRNA gene sequencing as different species of Streptomycetes genera.
ISSN:1733-1331
2544-4646
DOI:10.5604/17331331.1185232