Alteration of Bacterial Wilt Resistance in Tomato Plant by Microbiota Transplant

被引：47

作者：

Choi, Kihyuck ^{[1
]}

Choi, Jinhee ^{[1
]}

Lee, Pyeong An ^{[1
]}

Roy, Nazish ^{[1
,2
]}

Khan, Raees ^{[1
,3
]}

Lee, Hyoung Ju ^{[1
]}

Weon, Hang Yeon ^{[4
]}

Kong, Hyun Gi ^{[4
]}

Lee, Seon-Woo ^{[1
]}

机构：

[1] Dong A Univ, Dept Appl Biosci, Busan, South Korea

[2] Forman Christian Coll, Sch Life Sci, Lahore, Pakistan

[3] Natl Univ Med Sci, Dept Biol Sci, Rawalpindi, Pakistan

[4] Natl Inst Agr Sci, Rural Dev Adm, Agr Microbiol Div, Wonju, South Korea

来源：

FRONTIERS IN PLANT SCIENCE | 2020年 / 11卷

基金：

新加坡国家研究基金会;

关键词：

rhizosphere microbiome; tomato plant; microbiota transplant; bacterial wilt; Ralstonia solanacearum; RHIZOSPHERE MICROBIOME; RALSTONIA-SOLANACEARUM; SOIL TYPE; COMMUNITIES; IDENTIFICATION; INVASION; MICROORGANISMS; COLONIZATION; DIVERSITY; NUTRITION;

D O I：

10.3389/fpls.2020.01186

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Plant-associated microbiota plays an important role in plant disease resistance. Bacterial wilt resistance of tomato is a function of the quantitative trait of tomato plants; however, the mechanism underlying quantitative resistance is unexplored. In this study, we hypothesized that rhizosphere microbiota affects the resistance of tomato plants against soil-borne bacterial wilt caused byRalstonia solanacearum. This hypothesis was tested using a tomato cultivar grown in a defined soil with various microbiota transplants. The bacterial wilt-resistant Hawaii 7996 tomato cultivar exhibited marked suppression and induction of disease severity after treatment with upland soil-derived and forest soil-derived microbiotas, respectively, whereas the transplants did not affect the disease severity in the susceptible tomato cultivar Moneymaker. The differential resistance of Hawaii 7996 to bacterial wilt was abolished by diluted or heat-killed microbiota transplantation. Microbial community analysis revealed the transplant-specific distinct community structure in the tomato rhizosphere and the significant enrichment of specific microbial operational taxonomic units (OTUs) in the rhizosphere of the upland soil microbiota-treated Hawaii 7996. These results suggest that the specific transplanted microbiota alters the bacterial wilt resistance in the resistant cultivar potentially through a priority effect.

引用

页数：12

共 63 条

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