Diversity of Culturable Chitinolytic Bacteria from Rhizospheres of Agronomic Plants in Japan
作者： Nobutaka Someya , Seishi Ikeda , Tomohiro Morohoshi , Masako Noguchi Tsujimoto , Takanobu Yoshida
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摘要: A total of 100 isolates chitinolytic bacteria were obtained from the rhizospheres various agronomic plants, and 16S rRNA gene sequences these determined. Phylogenetic analyses revealed that 81 belonged to classes Betaproteobacteria (39 isolates) Gammaproteobacteria (42 isolates). Of remaining 19 isolates, 16 phylum Firmicutes. Clustering analysis identified 6 3 operational taxonomic units (OTUs) in Betaproteobacteria, respectively, at genus level. The majority genera Serratia, Stenotrophomonas, Lysobacter (14, 15, 7 respectively) while those Mitsuaria (37 placed Firmicutes 2 genera, Paenibacillus Bacillus (8 each). OTUs Erwinia, Aeromonas, Pseudomonas, Achromobacter, Flavobacterium, Microbacterium, less abundance. These results showed a wide distribution culturable plants. Considering potential antagonistic activity enzymes against phytopathogenic fungi, which is exhibited by fungal cell wall degradation, above-mentioned native could potentially be utilized for biological control soil-borne fungi.
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