Abstract

The plant beneficial microorganisms in rhizosphere are promising candidates to counter plant biotic and abiotic stresses. In the present study, Bacillus sp. SBA12 antagonistic to plant pathogenic fungi such as Phytophthora infestans and Sclerotinia sclerotiorum was explored. The complete genome of SBA12 comprises 5,297,566 bp size with GC content 49% and a total of 5698 genes. The genomic organization revealed presence of several biosynthetic clusters for antibiotics, siderophore and various other bioactive compounds such as lanthipeptide, LAP, bacteriocin, siderophore, NRP and terpenes. The gene cluster for fengycin known for its role as elicitors in inducing plant immunity is also reported. Besides this, lytic enzymes chitinases, β-glucanases and proteases involved in pathogen suppression, acid and alkaline phosphatases, deaminases responsible for the phosphate solubilization and release of ammonia are also reported. The genomic organization of SBA12 revealed several hallmarks for plant growth promotion and pathogen suppression activities.

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