Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system

Tiger lily (Lilium lancifolium Thunb.) is a cash crop with a long history of cultivation in China. Its roots have long been used as a valuable component of Chinese medicine. Continuous cropping, the conventional planting approach for tiger lily, often leads to severe root rot disease, but it is not...

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Main Authors: Liangliang Dai, Sunil K. Singh, Hao Gong, Yuanyuan Tang, Zhigang Peng, Jun Zhang, Dousheng Wu, Huiming Zhang, Danxia He
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-10-01
Series:Frontiers in Microbiology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2022.981615/full
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author Liangliang Dai
Sunil K. Singh
Hao Gong
Yuanyuan Tang
Zhigang Peng
Jun Zhang
Dousheng Wu
Huiming Zhang
Danxia He
Danxia He
author_facet Liangliang Dai
Sunil K. Singh
Hao Gong
Yuanyuan Tang
Zhigang Peng
Jun Zhang
Dousheng Wu
Huiming Zhang
Danxia He
Danxia He
author_sort Liangliang Dai
collection DOAJ
description Tiger lily (Lilium lancifolium Thunb.) is a cash crop with a long history of cultivation in China. Its roots have long been used as a valuable component of Chinese medicine. Continuous cropping, the conventional planting approach for tiger lily, often leads to severe root rot disease, but it is not yet clear how this planting method leads to root rot. In this study, we analyzed the rhizosphere microbiome and predicted microbial protein function in tiger lily planted with the continuous cropping method in three different geological types of soil. In order to explore the specific rhizosphere microbiota triggering root rot disease, tiger lily was compared to maize grown in a similar system, which showed no disease development. An analysis of the chemical elements in the soil revealed that the Pseudomonas and Streptomyces genera, with pathogenic functions, were dominant in the tiger lily rhizosphere. The lower soil pH of tiger lily compared to maize supports the accumulation of pathogenic bacteria in the tiger lily rhizosphere. Meanwhile, we discovered that bacteria of the Flavobacterium genus, with their predicted phosphate transport function, specifically accumulated in the maize rhizosphere. Our findings suggest that Pseudomonas and Streptomyces bacteria may result in continuous cropping–induced root rot disease in tiger lily and that Flavobacterium could serve to protect maize from pathogenic bacteria.
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spelling doaj.art-1abbe9da6d254f4f95d8814e78049c212022-12-22T02:35:59ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2022-10-011310.3389/fmicb.2022.981615981615Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping systemLiangliang Dai0Sunil K. Singh1Hao Gong2Yuanyuan Tang3Zhigang Peng4Jun Zhang5Dousheng Wu6Huiming Zhang7Danxia He8Danxia He9Changsha General Survey of Natural Resources Center, Changsha, ChinaShanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, ChinaChangsha General Survey of Natural Resources Center, Changsha, ChinaChangsha General Survey of Natural Resources Center, Changsha, ChinaChangsha General Survey of Natural Resources Center, Changsha, ChinaChangsha General Survey of Natural Resources Center, Changsha, ChinaCollege of Biology, Hunan University, Changsha, ChinaShanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, ChinaShanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, ChinaSchool of Biological Sciences, Nanyang Technological University, Singapore, SingaporeTiger lily (Lilium lancifolium Thunb.) is a cash crop with a long history of cultivation in China. Its roots have long been used as a valuable component of Chinese medicine. Continuous cropping, the conventional planting approach for tiger lily, often leads to severe root rot disease, but it is not yet clear how this planting method leads to root rot. In this study, we analyzed the rhizosphere microbiome and predicted microbial protein function in tiger lily planted with the continuous cropping method in three different geological types of soil. In order to explore the specific rhizosphere microbiota triggering root rot disease, tiger lily was compared to maize grown in a similar system, which showed no disease development. An analysis of the chemical elements in the soil revealed that the Pseudomonas and Streptomyces genera, with pathogenic functions, were dominant in the tiger lily rhizosphere. The lower soil pH of tiger lily compared to maize supports the accumulation of pathogenic bacteria in the tiger lily rhizosphere. Meanwhile, we discovered that bacteria of the Flavobacterium genus, with their predicted phosphate transport function, specifically accumulated in the maize rhizosphere. Our findings suggest that Pseudomonas and Streptomyces bacteria may result in continuous cropping–induced root rot disease in tiger lily and that Flavobacterium could serve to protect maize from pathogenic bacteria.https://www.frontiersin.org/articles/10.3389/fmicb.2022.981615/fullrhizospherelily root rot diseasegeological soilcontinuous croppingmicrobiota
spellingShingle Liangliang Dai
Sunil K. Singh
Hao Gong
Yuanyuan Tang
Zhigang Peng
Jun Zhang
Dousheng Wu
Huiming Zhang
Danxia He
Danxia He
Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system
Frontiers in Microbiology
rhizosphere
lily root rot disease
geological soil
continuous cropping
microbiota
title Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system
title_full Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system
title_fullStr Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system
title_full_unstemmed Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system
title_short Rhizospheric microbial consortium of Lilium lancifolium Thunb. causes lily root rot under continuous cropping system
title_sort rhizospheric microbial consortium of lilium lancifolium thunb causes lily root rot under continuous cropping system
topic rhizosphere
lily root rot disease
geological soil
continuous cropping
microbiota
url https://www.frontiersin.org/articles/10.3389/fmicb.2022.981615/full
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