Comparative genomics and physiological investigation supported safety, cold adaptation, efficient hydrolytic and plant growth-promoting potential of psychrotrophic Glutamicibacter arilaitensis LJH19, isolated from night-soil compost
نویسندگان
چکیده
Abstract Background Night-soil compost (NSC) has traditionally been conserving water and a source of organic manure in northwestern Himalaya. Lately, this traditional method is declining due to modernization, its unhygienic conditions, social apprehensions. Reduction the age-old practice led excessive chemical fertilizers shortage eco-sensitive region. In current study, bacterium analyzed for safety, cold-adaptation, efficient degradation, plant growth-promoting (PGP) attributes possible application as safe bioinoculant psychrotrophic bacterial consortia improved night-soil composting. Results Glutamicibacter arilaitensis LJH19, bacterium, was isolated from NSC Lahaul valley The strain exhibited amylase (186.76 ± 19.28 U/mg), cellulase (21.85 0.7 xylanase (11.31 0.51 U/mg) activities at 10 °C. Possessing hydrolytic low-temperature garners capability composting LJH19. Additionally, possessed multiple PGP traits such indole acetic acid production (166.11 5.7 ?g/ml), siderophore (85.72 1.06% psu), phosphate solubilization (44.76 1.5 ?g/ml). Enhanced germination index rate pea seeds under LJH19 inoculation further supported bacterium’s potential. Whole-genome sequencing (3,602,821 bps) genome mining endorsed cold adaptation, degradation polysaccharides, Biosynthetic gene clusters type III polyketide synthase (PKS), terpene, supplemented endorsement potential bacterium. Comparative genomics within genus revealed 217 unique genes specific activity. Conclusion physiological genomic evidence promotes potentially bio-inoculant formulate accelerated compost.
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ژورنال
عنوان ژورنال: BMC Genomics
سال: 2021
ISSN: ['1471-2164']
DOI: https://doi.org/10.1186/s12864-021-07632-z