Biological Control Activities of Rice-Associated Bacillus sp. Strains against Sheath Blight and Bacterial Panicle Blight of Rice

PloS One
Bishnu K ShresthaJong Hyun Ham

Abstract

Potential biological control agents for two major rice diseases, sheath blight and bacterial panicle blight, were isolated from rice plants in this study. Rice-associated bacteria (RABs) isolated from rice plants grown in the field were tested for their antagonistic activities against the rice pathogens, Rhizoctonia solani and Burkholderia glumae, which cause sheath blight and bacterial panicle blight, respectively. Twenty-nine RABs were initially screened based on their antagonistic activities against both R. solani and B. glumae. In follow-up retests, 26 RABs of the 29 RABs were confirmed to have antimicrobial activities, but the rest three RABs did not reproduce any observable antagonistic activity against R. solani or B. glumae. According to16S rDNA sequence identity, 12 of the 26 antagonistic RABs were closest to Bacillus amyloliquefaciens, while seven RABs were to B. methylotrophicus and B, subtilis, respectively. The 16S rDNA sequences of the three non-antagonistic RABs were closest to Lysinibacillus sphaericus (RAB1 and RAB12) and Lysinibacillus macroides (RAB5). The five selected RABs showing highest antimicrobial activities (RAB6, RAB9, RAB16, RAB17S, and RAB18) were closest to B. amyloliquefaciens in DNA sequence of ...Continue Reading

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Citations

Jun 4, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Giann Carlos Peñaloza AtuestaJonh Jairo Méndez Arteaga
Aug 28, 2020·Phytopathology·Laura OrtegaClemencia M Rojas
Mar 10, 2020·Revista Argentina de microbiología·Renzo A Valdez-NuñezJorge Torres-Delgado
Jul 22, 2021·Brazilian Journal of Biology = Revista Brasleira De Biologia·D PeiS Han
Nov 19, 2020·Phytopathology·Laura Ortega, Clemencia M Rojas
Sep 6, 2017·Microbiological Research·Shobit ThapaBalasubramanian Ramakrishnan

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Datasets Mentioned

BETA
KF523303.1
KJ567098.2

Methods Mentioned

BETA
PCR

Software Mentioned

SeqTrace
Gblocks
Basic Local Alignment Search Tool ( BLAST )
MEGA
MEGA5
BLAST
MUSCLE

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