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Feather Degrading, Phytostimulating, and Biocontrol Potential of Native Actinobacteria from North Eastern Indian Himalayan Region

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Title Feather Degrading, Phytostimulating, and Biocontrol Potential of Native Actinobacteria from North Eastern Indian Himalayan Region
Not Available
 
Creator Kshetri P, Roy S S, Sharma S K, Singh T S, Ansari M A, Sailo B, Singh S and Prakash N
 
Subject actinobacteria, biocontrol, keratinolytic, phytostimulator, Streptomyces
 
Description Not Available
Twelve actinobacterial strains were isolated from tomato rhizospheric soil from Manipur, a state in North East Indian Himalayan Region and screened for keratinolytic and plant growth promoting traits. Nine promising isolates were identified as Streptomyces species using partial 16S rRNA gene sequencing. Among the seven isolates showing chicken feather degradation activity, three keratinolytic strains RCM-SSR-2,-6, and-12 were found to be the most efficient feather degrading strains achieving 90% feather weight loss within 48 h of incubation. They also showed maximum keratinase and soluble peptide production. Strain RCM-SSR-2,-5,-6,-8, and-11 showed positive results for all plant growth promoting traits tested. Maximum indole-3-acetic acid production was exhibited by RCM-SSR-6. Strain RCM-SSR-1,-2,-5,-6,-9, and-11 showed antagonistic activity against three important plant pathogens. Feather hydrolysate of RCM-SSR-6 was also evaluated for in vitro seed germination test using garden pea seeds. Higher concentration of feather protein hydrolysate (3 mg ml −1) inhibited shoot and root length of the germinating embryo. However, lower concentration (0.01 mg ml −1) of feather protein hydrolysate promoted seed germination. Among the 12 strains, four isolates namely RCM-SSR-1,-2,-5, and-6 were found to be promising as multi-traits plant growth promoting rhizobacteria for development of organic fertilizer, phytostimulator, and biocontrol agents.
Department of Biotechnology, GoI
 
Date 2018-11-12T04:44:49Z
2018-11-12T04:44:49Z
2018-09-01
 
Type Research Paper
 
Identifier Kshetri P, Roy S S, Sharma S K, Singh T S, Ansari M A, Sailo B, Singh S and Prakash N. 2018. Feather Degrading, Phytostimulating, and Biocontrol Potential of Native Actinobacteria from North Eastern Indian Himalayan Region. Journal of Basic Microbiology 58(9) : 730-738.
1521-4028
http://krishi.icar.gov.in/jspui/handle/123456789/10242
 
Language English
 
Relation Not Available;
 
Publisher Wiley