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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 111 - 119 (9page)
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초록· 키워드
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A bacterial strain isolated from a Malva verticillata leaf was identified as Bacillus velezensis MV2 based on the 16S rRNA sequencing results. Complete genome sequencing revealed that B. velezensis MV2 possessed a single 4,191,702-bp contig with 45.57% GC content. Generally, Bacillus spp. are known to produce diverse antimicrobial compounds including bacteriocins, polyketides, and non-ribosomal peptides. Antimicrobial compounds in the B. velezensis MV2 were extracted from culture supernatants using hydrophobic interaction chromatography. The crude extracts showed antimicrobial activity against both gram-positive bacteria and gram-negative bacteria; however, they were more effective against gram-positive bacteria. The extracts also showed antifungal activity against phytopathogenic fungi such as Fusarium fujikuroi and F. graminearum. In time-kill assays, these antimicrobial compounds showed bactericidal activity against Bacillus cereus, used as indicator strain. To predict the type of antimicrobial compounds produced by this strain, we used the antiSMASH algorithm. Forty-seven secondary metabolites were predicted to be synthesized in MV2, and among them, fourteen were identified with a similarity of 80% or more with those previously identified. Based on the antimicrobial properties, the antimicrobial compounds may be nonribosomal peptides or polyketides. These compounds possess the potential to be used as biopesticides in the food and agricultural industry as an alternative to antibiotics.
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참고문헌 (27)
참고문헌 신청
Joseph WK / 1980 / Enhanced plant growth by siderophores produced by plant growth promoting rhizobacteria / Nature 286:885~886
Glick B / 1995 / The enhancement of plant growth by free-living bacteria / Can. J. Microbiol 41:109~117
Rodelas BJ / 1999 / Influence of Rhizobium/Azotobacter and Rhizobium/Azospirillum combined inoculation on mineral composition of faba bean (Vicia faba L.) / Biol. Fertil Soils 29:165~169
Bashan Y / 1990 / Current status of Azospirillum inoculation technology : Azospirillum as a challenge for agriculture / Can. J. Microbiol 36:591~608
Chakraborty U / 1983 / Role of rhizobitoxine in protecting soybean roots from Macrophomina phaseolina infection / Can. J. Microbiol 30:285~289
Glick B / 1995 / The enhancement of plant growth by free-living bacteria / Can. J. Microbiol 41:109~117
Rodelas BJ / 1999 / Influence of Rhizobium/Azotobacter and Rhizobium/Azospirillum combined inoculation on mineral composition of faba bean (Vicia faba L.) / Biol. Fertil Soils 29:165~169
Bashan Y / 1990 / Current status of Azospirillum inoculation technology : Azospirillum as a challenge for agriculture / Can. J. Microbiol 36:591~608
Chakraborty U / 1983 / Role of rhizobitoxine in protecting soybean roots from Macrophomina phaseolina infection / Can. J. Microbiol 30:285~289
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