지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.4
- 수록면
- 97 - 104 (8page)
이용수
초록· 키워드
오류제보하기
Background: Rhizobacteria play an important role in plant defense and could be promising sources of biocontrol agents. This study aimed to screen antagonistic bacteria and develop a biocontrol system for root rot complex of Panax notoginseng.
Methods: Pure-culture methods were used to isolate bacteria from the rhizosphere soil of notoginseng plants. The identification of isolates was based on the analysis of 16S ribosomal RNA (rRNA) sequences.
Results: A total of 279 bacteria were obtained from rhizosphere soils of healthy and root-rot notoginseng plants, and uncultivated soil. Among all the isolates, 88 showed antagonistic activity to at least one of three phytopathogenic fungi, Fusarium oxysporum, Fusarium solani, and Phoma herbarum mainly causing root rot disease of P. notoginseng. Based on the 16S rRNA sequencing, the antagonistic bacteria were characterized into four clusters, Firmicutes, Proteobacteria, Actinobacteria, and Bacteroidetesi. The genus Bacillus was the most frequently isolated, and Bacillus siamensis (Hs02), Bacillus atrophaeus (Hs09) showed strong antagonistic activity to the three pathogens. The distribution pattern differed in soil types, genera Achromobacter, Acidovorax, Brevibacterium, Brevundimonas, Flavimonas, and Streptomyces were only found in rhizosphere of healthy plants, while Delftia, Leclercia, Brevibacillus, Microbacterium, Pantoea, Rhizobium, and Stenotrophomonas only exist in soil of diseased plant, and Acinetobacter only exist in uncultivated soil.
Conclusion: The results suggest that diverse bacteria exist in the P. notoginseng rhizosphere soil, with differences in community in the same field, and antagonistic isolates may be good potential biological control agent for the notoginseng root-rot diseases caused by F. oxysporum, Fusarium solani, and Panax herbarum.
Methods: Pure-culture methods were used to isolate bacteria from the rhizosphere soil of notoginseng plants. The identification of isolates was based on the analysis of 16S ribosomal RNA (rRNA) sequences.
Results: A total of 279 bacteria were obtained from rhizosphere soils of healthy and root-rot notoginseng plants, and uncultivated soil. Among all the isolates, 88 showed antagonistic activity to at least one of three phytopathogenic fungi, Fusarium oxysporum, Fusarium solani, and Phoma herbarum mainly causing root rot disease of P. notoginseng. Based on the 16S rRNA sequencing, the antagonistic bacteria were characterized into four clusters, Firmicutes, Proteobacteria, Actinobacteria, and Bacteroidetesi. The genus Bacillus was the most frequently isolated, and Bacillus siamensis (Hs02), Bacillus atrophaeus (Hs09) showed strong antagonistic activity to the three pathogens. The distribution pattern differed in soil types, genera Achromobacter, Acidovorax, Brevibacterium, Brevundimonas, Flavimonas, and Streptomyces were only found in rhizosphere of healthy plants, while Delftia, Leclercia, Brevibacillus, Microbacterium, Pantoea, Rhizobium, and Stenotrophomonas only exist in soil of diseased plant, and Acinetobacter only exist in uncultivated soil.
Conclusion: The results suggest that diverse bacteria exist in the P. notoginseng rhizosphere soil, with differences in community in the same field, and antagonistic isolates may be good potential biological control agent for the notoginseng root-rot diseases caused by F. oxysporum, Fusarium solani, and Panax herbarum.
목차
ABSTRACT
1. Introduction
2. Materials and methods
3. Results
4. Discussion
References
참고문헌 (43)
참고문헌 신청
[학술지(정기간행물)] - Ho Jae Park / 2012 / Ginseng in the traditional herbal prescriptions / Journal of Ginseng Research 36 (3) : 225 ~ 241
[학술지(정기간행물)] - 김종훈 / 2012 / Cardiovascular Diseases and Panax ginseng: A Review on Molecular Mechanisms and Medical Applications / Journal of Ginseng Research 36 (1) : 16 ~ 26
[학술지(정기간행물)] - Dong TT / 2003 / Chemical assessment of roots of P. notoginseng in China: regional and seasonal variations in its active constituents / J Agric Food Chem 51 : 4617 ~ 4623
[단행본] - Wei JX / 1996 / Modern science research and application of P. notoginseng / Yunnan Science and Technology Press
[학술지(정기간행물)] - Guo HB / 2006 / Sanchi ginseng (P. notoginseng (Burkill) F. H. Chen) in China: distribution, cultivation and variations / Genet Resour Crop Evol 57 : 453 ~ 460
[학술지(정기간행물)] - 김종훈 / 2012 / Cardiovascular Diseases and Panax ginseng: A Review on Molecular Mechanisms and Medical Applications / Journal of Ginseng Research 36 (1) : 16 ~ 26
[학술지(정기간행물)] - Dong TT / 2003 / Chemical assessment of roots of P. notoginseng in China: regional and seasonal variations in its active constituents / J Agric Food Chem 51 : 4617 ~ 4623
[단행본] - Wei JX / 1996 / Modern science research and application of P. notoginseng / Yunnan Science and Technology Press
[학술지(정기간행물)] - Guo HB / 2006 / Sanchi ginseng (P. notoginseng (Burkill) F. H. Chen) in China: distribution, cultivation and variations / Genet Resour Crop Evol 57 : 453 ~ 460
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UCI(KEPA) : I410-ECN-0101-2018-524-001598158