A leaf-inhabiting endophytic bacterium, Rhodococcus sp. KB6, enhances sweet potato resistance to black rot disease caused by Ceratocystis fimbriata

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Title
A leaf-inhabiting endophytic bacterium, Rhodococcus sp. KB6, enhances sweet potato resistance to black rot disease caused by Ceratocystis fimbriata
Author(s)
Chi Eun Hong; Haeyoung Jeong; Sung Hee Jo; Jae Cheol JeongSuk Yoon Kwon; D An; Jeong Mee Park
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 26, no. 3, pp. 488-492
Publication Year
2016
Abstract
Rhodococcus species have become increasingly important owing to their ability to degrade a wide range of toxic chemicals and produce bioactive compounds. Here, we report isolation of the Rhodococcus sp. KB6, which is a new leaf-inhabiting endophytic bacterium that suppresses black rot disease in sweet potato leaves. We determined the 7.0 Mb draft genome sequence of KB6 and have predicted 19 biosynthetic gene clusters for secondary metabolites, including heterobactins, which are a new class of siderophores. Notably, we showed the first internal colonization of host plants with Rhodococcus sp. KB6 and discuss its potential as a biocontrol agent for sustainable agriculture.
Keyword
Bacterial endophyteBiocontrol agentBlack rot diseaseRhodococcus sp.Sweet potato
ISSN
1017-7825
Publisher
Korea Soc-Assoc-Inst
DOI
http://dx.doi.org/10.4014/jmb.1511.11039
Type
Article
Appears in Collections:
Division of Research on National Challenges > Infectious Disease Research Center > 1. Journal Articles
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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