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Updated: Apr 3, 2026

Isolation, Propagation, and Identification of Bacterial Species with Hydrocarbon Metabolizing Properties from Aquatic Habitats
Published on: December 7, 2021
Bacillus cellulasensis sp. nov., isolated from marine sediment
Rahul Mawlankar1, Meghana N Thorat1, Srinivasan Krishnamurthi2
1NCIM-Resource Center, CSIR-National Chemical Laboratory, Pune, 411008, Maharashtra, India.
A new bacterial species, Bacillus cellulasensis, was discovered in Indian sediment. This Gram-positive, aerobic bacterium represents a novel addition to the Bacillus genus, expanding our understanding of microbial diversity.
Area of Science:
- Microbiology
- Bacterial Taxonomy
- Genomics
Background:
- The genus Bacillus encompasses diverse, Gram-positive bacteria with significant ecological and industrial roles.
- Accurate bacterial classification is crucial for understanding microbial communities and their functions.
Purpose of the Study:
- To taxonomically characterize a novel bacterial isolate, designated NIO-1130(T), from a sediment sample.
- To determine if the isolate represents a new species within the Bacillus genus.
Main Methods:
- Phylogenetic analysis using 16S rRNA and gyrB gene sequences.
- Chemotaxonomic analysis including major menaquinone and cellular fatty acid profiling.
- DNA-DNA hybridization and DNA G+C content determination.
Main Results:
- Strain NIO-1130(T) showed high 16S rRNA gene sequence similarity to Bacillus halosaccharovorans and Bacillus niabensis.
- Phylogenetic and DNA-DNA hybridization data supported its distinction from known species.
- Predominant cellular fatty acids and MK-7 menaquinone were identified.
Conclusions:
- Strain NIO-1130(T) represents a novel species, Bacillus cellulasensis sp. nov.
- The proposed type strain is NIO-1130(T).
- This discovery contributes to the taxonomic knowledge of the genus Bacillus.
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