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Isolation, Propagation, and Identification of Bacterial Species with Hydrocarbon Metabolizing Properties from Aquatic Habitats
Published on: December 7, 2021
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Exiguobacterium enclense sp. nov., isolated from sediment
Syed G Dastager1, Rahul Mawlankar1, Vidya V Sonalkar1
1NCIM-Resource Center, CSIR-National Chemical Laboratory, Pune-411008, Maharashtra, India.
International Journal of Systematic and Evolutionary Microbiology
|February 27, 2015
Summary
A novel bacterium, Exiguobacterium enclense sp. nov., was discovered in Indian marine sediments. Phylogenetic and phenotypic analyses confirm it represents a new species within the Exiguobacterium genus.
Area of Science:
- Microbiology
- Bacteriology
- Marine Biology
Background:
- Marine sediments are rich sources of microbial diversity.
- The genus Exiguobacterium comprises Gram-positive bacteria with various industrial and environmental applications.
- Accurate taxonomic classification is crucial for understanding microbial roles and potential applications.
Purpose of the Study:
- To isolate and characterize a novel bacterium from marine sediment.
- To determine the taxonomic position of the novel isolate using polyphasic characterization.
- To propose a new species within the genus Exiguobacterium.
Main Methods:
- Isolation of bacteria from marine sediment samples.
- Phylogenetic analysis using 16S rRNA gene sequencing.
- Phenotypic and chemotaxonomic characterization.
- DNA-DNA hybridization for relatedness studies.
Main Results:
- A novel Gram-positive bacterium, strain NIO-1109(T), was isolated from Chorao Island, Goa, India.
- Phylogenetic analysis based on 16S rRNA gene sequences showed high similarity to Exiguobacterium species.
- DNA-DNA relatedness values and distinct phenotypic traits supported its classification as a new species, Exiguobacterium enclense sp. nov.
Conclusions:
- Strain NIO-1109(T) represents a novel species of the genus Exiguobacterium, named Exiguobacterium enclense sp. nov.
- The proposed species expands the known diversity within the Exiguobacterium genus.
- This finding contributes to the understanding of microbial biodiversity in marine environments.
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