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Li L, Huang J, Liu Y, Zhang Q, Han Q, Liu Y, Zhang G, Wang X, Zhao W, Liu L. Analysis of microbial community composition and diversity in the rhizosphere of Salvia miltiorrhiza at different growth stages. Int Microbiol 2024:10.1007/s10123-024-00542-6. [PMID: 38833100 DOI: 10.1007/s10123-024-00542-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/06/2024]
Abstract
Salvia miltiorrhiza is a kind of medicinal plant with various pharmacological activities. Few studies on the composition and diversity of rhizosphere microbial communities at different growth stages have been conducted on Salvia miltiorrhiz; in particular, salviorrhiza grows in soil that has been continuously planted for 3 years. The purpose of this study was to understand the changes of soil physicochemical properties of Salvia miltiorrhiza at different growth stages, and to study the composition and diversity of rhizosphere microbial community at different growth stages. Illumina NovaSeq sequencing technology was used to analyze the bacterial 16S rRNA gene and the fungal ITS region in the rhizosphere soil of Salvia miltiorrhiza at different growth stages. The results showed that the dominant bacterial phyla in the Salvia miltiorrhiza rhizosphere were Proteobacteria, Bacteroidetes, Acidobacteria, Firmicutes, Actinobacteria, and Chloroflexi. The dominant fungal phyla were Ascomycota, Mortierellomycota, Basidiomycota, and Rozellomycota. During the growth of Salvia miltiorrhiza, the physical and chemical properties of soil changed. As the Salvia miltiorrhiza grew, the content of available phosphorus, available potassium, pH, nitrate nitrogen, and ammonium nitrogen significantly decreased. Ammonium nitrogen and nitrate nitrogen had a greater impact on the bacterial community structure in the rhizosphere than on the fungal community structure. The work was to reveal differences in the rhizosphere bacterial and fungal community structure during different growth stages of Salvia miltiorrhiza, further understand the changes of rhizosphere microbial ecological characteristics and soil physicochemical properties during the cultivation of Salvia miltiorrhiza.
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Affiliation(s)
- Lina Li
- College of Agriculture and Forestry, Linyi University, Linyi, 276000, China
| | - Juying Huang
- College of Agriculture and Forestry, Linyi University, Linyi, 276000, China
| | - Yushan Liu
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, 276000, China
| | - Qian Zhang
- Linyi Academy of Agricultural Sciences, Linyi, 276012, China
| | - Qingdian Han
- College of Agriculture and Forestry, Linyi University, Linyi, 276000, China.
| | - Yunguo Liu
- College of Agriculture and Forestry, Linyi University, Linyi, 276000, China
| | - Guangna Zhang
- College of Agriculture and Forestry, Linyi University, Linyi, 276000, China
| | - Xiao Wang
- Specialized Cooperative for Planting Traditional Chinese Medicine, Yuantong, Pingyi County, 273300, China
| | - Wenfei Zhao
- Linyi Academy of Agricultural Sciences, Linyi, 276012, China
| | - Lingxiao Liu
- Linyi Academy of Agricultural Sciences, Linyi, 276012, China
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Yu T, Hou X, Fang X, Razavi B, Zang H, Zeng Z, Yang Y. Short-term continuous monocropping reduces peanut yield mainly via altering soil enzyme activity and fungal community. ENVIRONMENTAL RESEARCH 2024; 245:117977. [PMID: 38141923 DOI: 10.1016/j.envres.2023.117977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/12/2023] [Accepted: 12/16/2023] [Indexed: 12/25/2023]
Abstract
Continuous monocropping can lead to soil sickness and increase of soil-borne disease, which finally reduces crop yield. Microorganisms benefit plants by increasing nutrient availability, participating in auxin synthesis, and defending against pathogens. However, little is known about the influence of short-term successive peanuts cropping on soil properties, enzyme activities, its yield, plant-associated microbes, and their potential correlations in peanut production. Here, we examined the community structure, composition, network structure and function of microbes in the rhizosphere and bulk soils under different monocropping years. Moreover, we assessed the impact of changes in the soil micro-environment and associated soil microbes on peanut yield. Our results showed that increase of monocropping year significantly decreased most soil properties, enzyme activities and peanut yield (p < 0.05). Principal co-ordinates analysis (PCoA) and analysis of similarities (ANOSIM) indicated that monocropping year significantly influenced the fungal community structure in the rhizosphere and bulk soils (p < 0.01), while had no effect on the bacterial community. With the increase of continuous monocropping year, peanut selectively decreased (e.g., Candidatus_Entotheonella, Bacillus and Bryobacter) or increased (e.g., Nitrospira, Nocardioides, Ensifer, Gaiella, and Novosphingobium) the abundance of some beneficial bacterial genera in the rhizosphere. Continuous monocropping significantly increased the abundance of plant pathogens (e.g., Plectosphaerella, Colletotrichum, Lectera, Gibberella, Metarhizium, and Microdochium) in the rhizosphere and negatively affected the balance of fungal community. Besides, these species were correlated negatively with L-leucine aminopeptidase (LAP) activity. Network co-occurrence analysis showed that continuous monocropping simplified the interaction network of bacteria and fungi. Random forest and partial least squares path modeling (PLS-PM) analysis further showed that fungal community, pathogen abundance, soil pH, and LAP activity negatively affected peanut yield. In conclusion, short-term continuous monocropping decreased LAP activity and increased potential fungal pathogens abundance, leading to reduction of peanut yield.
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Affiliation(s)
- Taobing Yu
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Xiqing Hou
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Xiangyang Fang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Bahar Razavi
- Department of Soil-Plant-Microbiome, Institute of Phytopathology, University of Kiel, Germany
| | - Huadong Zang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Zhaohai Zeng
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Yadong Yang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China.
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3
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Feng F, Yang C, Li M, Zhan S, Liu H, Chen A, Wang J, Zhang Z, Gu L. Key molecular events involved in root exudates-mediated replanted disease of Rehmannia glutinosa. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 172:136-150. [PMID: 35065374 DOI: 10.1016/j.plaphy.2022.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/12/2022] [Accepted: 01/16/2022] [Indexed: 06/14/2023]
Abstract
The perennial herbaceous plant, Rehmannia glutinosa Libosch, is one of traditional Chinese medicines with a long history of cultivation. However, replanted disease severely affects its yield and quality in production. In this study, a specific culture device was designed to accurately isolate the root exudates of R. glutinosa. In addition, the formation mechanism of replanted diseases mediated by root exudates was deeply studied in R. glutinosa. The results indicated that root exudates have obvious allelopathic activity, furthermore, metagenomics analysis found that the exudates were found to significantly induce the proliferation of harmful pathogenic fungal and the reduction of probiotics in rhizosphere of R. glutinosa. Further analysis found that, 8,758 genes were differentially expressed in root exudate-treated R. glutinosa plants. These genes mainly involved in critical cellular processes including immune response, hormone metabolism, signaling transduction and cell membrane transport. Of which, numerous genes were found to involve in immune response, such as PR (Pathogenesis-related protein), were highly expressed in root exudate-treated plants. Transiently overexpression experiments found that a PR1 could enhance the resistance of R. glutinosa to root exudates treatment. These results indicated that the interaction between root exudates and microbes altered the expression pattern of the genes related to immune pathway and signaling transduction mediated by it. These disordered genes finally severely affected the growth and development of R. glutinosa, and eventually formed the replanted disease. This study provides a novel approach to collect root exudates and a new data basis for revealing the molecular events occurring in replanted plants.
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Affiliation(s)
- Fajie Feng
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chuyun Yang
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mingjie Li
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shangyu Zhan
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hongyan Liu
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Aiguo Chen
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China; Qingdao Special Crop Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China
| | - Jianmin Wang
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zhongyi Zhang
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Li Gu
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China.
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Structure, Diversity, and Composition of Bacterial Communities in Rhizospheric Soil of Coptis chinensis Franch under Continuously Cropped Fields. DIVERSITY-BASEL 2020. [DOI: 10.3390/d12020057] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Soil microorganisms are critical factors of plant productivity in terrestrial ecosystems. Coptis chinensis Franch is one of the most important medicinal plants in China. Soil types and cropping systems influence the diversity and composition of the rhizospheric microbial communities. In the current study, we provide detailed information regarding the diversity and composition of the rhizospheric bacterial communities of the C. chinensis plants in continuously cropped fields and fallow fields in two seasons (i.e., winter and summer) using next-generation sequencing. The alpha diversity was higher in the five-year cultivated C. chinensis field (CyS5) and lower in fallow fields (NCS). Significant differences analysis confirmed more biomarkers in the cultivated field soil than in fallow fields. Additionally, the principal coordinate analysis (PcoA) of the beta diversity indices revealed that samples associated with the cultivated fields and fallow fields in different seasons were separated. Besides, Proteobacteria, Actinobacteria, Chloroflexi, Acidobacteria, Bacteroidetes, Gemmatimonadetes were the top bacterial phyla. Among these phyla, Proteobacteria were found predominantly and showed a decreasing trend with the continuous cropping of C. chinensis. A phylogenetic investigation of communities by reconstruction of unobserved states (PICRUSt) revealed that the abundance of C and N functional genes had a significant difference between the soil samples from cultivated (CyS1, CyS3, and CyS5) and fallow (NCS) fields in two seasons (winter and summer). The principal coordinate analysis (PCoA) based on UniFrac distances (i.e., unweighted and weighted) revealed the variations in bacterial community structures in the soil samples. This study could provide a reference for solving the increasingly severe cropping obstacles and promote the sustainable development of the C. chinensis industry.
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Wu L, Yang B, Li M, Chen J, Xiao Z, Wu H, Tong Q, Luo X, Lin W. Modification of Rhizosphere Bacterial Community Structure and Functional Potentials to Control Pseudostellaria heterophylla Replant Disease. PLANT DISEASE 2020; 104:25-34. [PMID: 31726014 DOI: 10.1094/pdis-04-19-0833-re] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Replant disease caused by negative plant-soil feedback commonly occurs in a Pseudostellaria heterophylla monoculture regime. Here, barcoded pyrosequencing of 16S ribosomal DNA amplicons combined with phylogenetic investigation of communities by reconstruction of unobserved states (PICRUSt) analysis was applied to study the shifts in soil bacterial community structure and functional potentials in the rhizosphere of P. heterophylla under consecutive monoculture and different soil amendments (i.e., bio-organic fertilizer application [MF] and paddy-upland rotation [PR]). The results showed that the yield of tuberous roots decreased under P. heterophylla consecutive monoculture and then increased after MF and PR treatments, which was consistent with the changes in soil bacterial diversity. Both principal coordinate analysis and the unweighted pair-group method with arithmetic means cluster analysis showed the distinct difference in bacterial community structure between the consecutively monocultured soil (relatively unhealthy soil) and other relatively healthy soils (i.e., newly planted soil, MF, and PR). Furthermore, taxonomic analysis showed that consecutive monoculture of P. heterophylla significantly decreased the relative abundances of the families Burkholderiaceae and Acidobacteriaceae (subgroup 1), whereas it increased the population density of families Xanthomonadaceae, Phyllobacteriaceae, Sphingobacteriaceae, and Alcaligenaceae, and Fusarium oxysporum. In contrast, the MF and PR treatments recovered the soil microbiome and decreased F. oxysporum abundance through the different ways; for example, the introduction of beneficial microorganisms (in MF) or the switching between anaerobic and aerobic conditions (in PR). In addition, PICRUSt analysis revealed the higher abundances of membrane transport, cell motility, and DNA repair in the consecutively monocultured soil, which might contribute to the root colonization and survival for certain bacterial pathogens under monoculture. These findings highlight the close association between replant disease of P. heterophylla and the variations in structure and potential functions of rhizosphere bacterial community.
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Affiliation(s)
- Linkun Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
| | - Bo Yang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
| | - Manlin Li
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
| | - Jun Chen
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
| | - Zhigang Xiao
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
| | - Hongmiao Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
| | - Qingyu Tong
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University
| | - Xiaomian Luo
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University
| | - Wenxiong Lin
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University
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Chen A, Gu L, Xu N, Feng F, Chen D, Yang C, Zhang B, Li M, Zhang Z. NB-LRRs Not Responding Consecutively to Fusarium oxysporum Proliferation Caused Replant Disease Formation of Rehmannia glutinosa. Int J Mol Sci 2019; 20:ijms20133203. [PMID: 31261891 PMCID: PMC6651281 DOI: 10.3390/ijms20133203] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 06/19/2019] [Accepted: 06/25/2019] [Indexed: 12/15/2022] Open
Abstract
Consecutive monoculture practice facilitates enrichment of rhizosphere pathogenic microorganisms and eventually leads to the emergence of replant disease. However, little is known about the interaction relationship among pathogens enriched in rhizosphere soils, Nucleotide binding-leucine-rich repeats (NB-LRR) receptors that specifically recognize pathogens in effector-triggered immunity (ETI) and physiological indicators under replant disease stress in Rehmannia glutinosa. In this study, a controlled experiment was performed using different kinds of soils from sites never planted R. glutinosa (NP), replanted R. glutinosa (TP) and mixed by different ration of TP soils (1/3TP and 2/3TP), respectively. As a result, different levels of TP significantly promoted the proliferation of Fusarium oxysporum f.sp. R.glutinosa (FO). Simultaneously, a comparison between FO numbers and NB-LRR expressions indicated that NB-LRRs were not consecutively responsive to the FO proliferation at transcriptional levels. Further analysis found that NB-LRRs responded to FO invasion with a typical phenomenon of “promotion in low concentration and suppression in high concentration”, and 6 NB-LRRs were identified as candidates for responding R. glutinosa replant disease. Furthermore, four critical hormones of salicylic acid (SA), jasmonic acid (JA), ethylene (ET) and abscisic acid (ABA) had higher levels in 1/3TP, 2/3TP and TP than those in NP. Additionally, increasing extents of SA contents have significantly negative trends with FO changes, which implied that SA might be inhibited by FO in replanted R. glutinosa. Concomitantly, the physiological indexes reacted alters of cellular process regulated by NB-LRR were affected by complex replant disease stresses and exhibited strong fluctuations, leading to the death of R. glutinosa. These findings provide important insights and clues into further revealing the mechanism of R. glutinosa replant disease.
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Affiliation(s)
- Aiguo Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Institute of Tobacco Research, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Li Gu
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Na Xu
- Institute of Tobacco Research, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Fajie Feng
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Dexin Chen
- Institute of Tobacco Research, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Chuyun Yang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Bao Zhang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Mingjie Li
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Zhongyi Zhang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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Dong C, Wang R, Zheng X, Zheng X, Jin L, Wang H, Chen S, Shi Y, Wang M, Liu D, Yang Y, Hu Z. Integration of transcriptome and proteome analyses reveal molecular mechanisms for formation of replant disease in Nelumbo nucifera. RSC Adv 2018; 8:32574-32587. [PMID: 35547670 PMCID: PMC9086348 DOI: 10.1039/c8ra06503a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 09/02/2018] [Indexed: 12/14/2022] Open
Abstract
The normal growth of Nelumbo nucifera, a widely planted aquatic crop in Asia, was severely ruined by replant disease. The mechanism of replant disease was still unknown in aquatic crops. Complementary transcriptomic and proteomic analyses were performed by comparing seedings of first-year planting (FP) and consecutive planting (CP). 9810 differentially expressed genes (DEGs) were identified between FP and CP. Additionally, 975 differentially expressed proteins (DEPs) were obtained. The correlation of proteome and transcriptome illustrated phenylpropanoid biosynthesis, flavonoid biosynthesis, metabolic pathways, and MAPK signaling pathways were significantly activated. Peroxidase, determined as one of the key proteins in replant disease of N. nucifera, was phylogenetically analyzed. A new depiction of the molecular mechanism causing replant disease in N. nucifera was illustrated. A consecutive monoculture stimulated the generation of reactive oxygen species (ROS) and ethylene, altered the metabolic balance of lignin and flavonoid, and attenuated the activity of antioxidant enzymes through DNA methylation. Therefore, the accumulation of autotoxic allelochemicals and the deficiency of antioxidant enzymes unavoidably suppressed the normal growth and development of replanted N. nucifera. Complementary transcriptomic and proteomic analyses unveiled the mechanism of replant disease in Nelumbo nucifera, a widely planted aquatic crop in Asia.![]()
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Affiliation(s)
- Chen Dong
- College of Biological Engineering, Henan University of Technology Zhengzhou 450001 China +86 371 67756513 +86 371 67756513
| | - Ran Wang
- Zhengzhou TobaccoResearch Institute of CNTC No. 2 Fengyang Street Zhengzhou Henan 450001 China +86 371 67672079 +86 371 67672072
| | - Xingfei Zheng
- State Key Laboratory of Hybrid Rice, Lotus Engineering Research Center of Hubei Province, College of Life Science, Wuhan University Wuhan 430072 China +86 27 68753611 +86 27 68753606
| | - Xingwen Zheng
- State Key Laboratory of Hybrid Rice, Lotus Engineering Research Center of Hubei Province, College of Life Science, Wuhan University Wuhan 430072 China +86 27 68753611 +86 27 68753606
| | - Lifeng Jin
- Zhengzhou TobaccoResearch Institute of CNTC No. 2 Fengyang Street Zhengzhou Henan 450001 China +86 371 67672079 +86 371 67672072
| | - Hongjiao Wang
- Zhengzhou TobaccoResearch Institute of CNTC No. 2 Fengyang Street Zhengzhou Henan 450001 China +86 371 67672079 +86 371 67672072
| | - Shuang Chen
- College of Biological Engineering, Henan University of Technology Zhengzhou 450001 China +86 371 67756513 +86 371 67756513
| | - Yannan Shi
- College of Biological Engineering, Henan University of Technology Zhengzhou 450001 China +86 371 67756513 +86 371 67756513
| | - Mengqi Wang
- College of Biological Engineering, Henan University of Technology Zhengzhou 450001 China +86 371 67756513 +86 371 67756513
| | - Die Liu
- College of Biological Engineering, Henan University of Technology Zhengzhou 450001 China +86 371 67756513 +86 371 67756513
| | - Yanhui Yang
- College of Biological Engineering, Henan University of Technology Zhengzhou 450001 China +86 371 67756513 +86 371 67756513
| | - Zhongli Hu
- State Key Laboratory of Hybrid Rice, Lotus Engineering Research Center of Hubei Province, College of Life Science, Wuhan University Wuhan 430072 China +86 27 68753611 +86 27 68753606
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Wu L, Wang J, Wu H, Chen J, Xiao Z, Qin X, Zhang Z, Lin W. Comparative Metagenomic Analysis of Rhizosphere Microbial Community Composition and Functional Potentials under Rehmannia glutinosa Consecutive Monoculture. Int J Mol Sci 2018; 19:ijms19082394. [PMID: 30110928 PMCID: PMC6121535 DOI: 10.3390/ijms19082394] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 08/08/2018] [Accepted: 08/08/2018] [Indexed: 11/16/2022] Open
Abstract
Consecutive monoculture of Rehmannia glutinosa, highly valued in traditional Chinese medicine, leads to a severe decline in both quality and yield. Rhizosphere microbiome was reported to be closely associated with the soil health and plant performance. In this study, comparative metagenomics was applied to investigate the shifts in rhizosphere microbial structures and functional potentials under consecutive monoculture. The results showed R. glutinosa monoculture significantly decreased the relative abundances of Pseudomonadaceae and Burkholderiaceae, but significantly increased the relative abundances of Sphingomonadaceae and Streptomycetaceae. Moreover, the abundances of genera Pseudomonas, Azotobacter, Burkholderia, and Lysobacter, among others, were significantly lower in two-year monocultured soil than in one-year cultured soil. For potentially harmful/indicator microorganisms, the percentages of reads categorized to defense mechanisms (i.e., ATP-binding cassette (ABC) transporters, efflux transporter, antibiotic resistance) and biological metabolism (i.e., lipid transport and metabolism, secondary metabolites biosynthesis, transport and catabolism, nucleotide transport and metabolism, transcription) were significantly higher in two-year monocultured soil than in one-year cultured soil, but the opposite was true for potentially beneficial microorganisms, which might disrupt the equilibrium between beneficial and harmful microbes. Collectively, our results provide important insights into the shifts in genomic diversity and functional potentials of rhizosphere microbiome in response to R. glutinosa consecutive monoculture.
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Affiliation(s)
- Linkun Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Juanying Wang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Hongmiao Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Jun Chen
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Zhigang Xiao
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Xianjin Qin
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province University, Fuzhou 350002, China.
| | - Zhongyi Zhang
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province University, Fuzhou 350002, China.
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Wenxiong Lin
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province University, Fuzhou 350002, China.
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Li M, Yang Y, Feng F, Zhang B, Chen S, Yang C, Gu L, Wang F, Zhang J, Chen A, Lin W, Chen X, Zhang Z. Differential proteomic analysis of replanted Rehmannia glutinosa roots by iTRAQ reveals molecular mechanisms for formation of replant disease. BMC PLANT BIOLOGY 2017; 17:116. [PMID: 28693420 PMCID: PMC5504617 DOI: 10.1186/s12870-017-1060-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 06/22/2017] [Indexed: 05/07/2023]
Abstract
BACKGROUND The normal growth of Rehmannia glutinosa, a widely used medicinal plant in China, is severely disturbed by replant disease. The formation of replant disease commonly involves interactions among plants, allelochemicals and microbes; however, these relationships remain largely unclear. As a result, no effective measures are currently available to treat replant disease. RESULTS In this study, an integrated R. glutinosa transcriptome was constructed, from which an R. glutinosa protein library was obtained. iTRAQ technology was then used to investigate changes in the proteins in replanted R. glutinosa roots, and the proteins that were expressed in response to replant disease were identified. An integrated R. glutinosa transcriptome from different developmental stages of replanted and normal-growth R. glutinosa produced 65,659 transcripts, which were accurately translated into 47,818 proteins. Using this resource, a set of 189 proteins was found to be significantly differentially expressed between normal-growth and replanted R. glutinosa. Of the proteins that were significantly upregulated in replanted R. glutinosa, most were related to metabolism, immune responses, ROS generation, programmed cell death, ER stress, and lignin synthesis. CONCLUSIONS By integrating these key events and the results of previous studies on replant disease formation, a new picture of the damaging mechanisms that cause replant disease stress emerged. Replant disease altered the metabolic balance of R. glutinosa, activated immune defence systems, increased levels of ROS and antioxidant enzymes, and initiated the processes of cell death and senescence in replanted R. glutinosa. Additionally, lignin deposition in R. glutinosa roots that was caused by replanting significantly inhibited tuberous root formation. These key processes provide important insights into the underlying mechanisms leading to the formation of replant disease and also for the subsequent development of new control measures to improve production and quality of replanted plants.
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Affiliation(s)
- Mingjie Li
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yanhui Yang
- College of Bioengineering, Henan University of Technology, Zhengzhou, China
| | - Fajie Feng
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Bao Zhang
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shuqiang Chen
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chuyun Yang
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Li Gu
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Junyi Zhang
- College of Chemical Engineering, Huaqiao University, Xiamen, China
| | - Aiguo Chen
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Wenxiong Lin
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Zhongyi Zhang
- College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
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Tian Y, Feng F, Zhang B, Li M, Wang F, Gu L, Chen A, Li Z, Shan W, Wang X, Chen X, Zhang Z. Transcriptome analysis reveals metabolic alteration due to consecutive monoculture and abiotic stress stimuli in Rehamannia glutinosa Libosch. PLANT CELL REPORTS 2017; 36:859-875. [PMID: 28275853 DOI: 10.1007/s00299-017-2115-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 02/07/2017] [Indexed: 06/06/2023]
Abstract
We deeply investigated the mechanism underlying metabolic regulation in response to consecutive monoculture (replanting disease) and different abiotic stresses that unfolded the response mechanism to consecutive monoculture problem through RNA-seq analysis. The consecutive monoculture problem (CMP) resulted of complex environmental stresses mediated by multiple factors. Previous studies have noted that multiple stress factors in consecutive monoculture soils or plants severely limited the interpretation of the critical molecular mechanism, and made a predict that the specifically responding factor was autotoxic allelochemicals. To identify the specifically responding genes, we compared transcriptome changes in roots of Rehamannia glutinosa Libosch using consecutive monoculture, salt, drought, and ferulic acid as stress factors. Comparing with normal growth, 2502, 2672, 2485, and 1956 genes were differentially expressed in R. glutinosa under consecutive monoculture practice, salt, drought, and ferulic acid stress, respectively. In addition, 510 genes were specifically expressed under consecutive monoculture, which were not present under the other stress conditions. Integrating the biological and enrichment analyses of the differentially expressed genes, the result demonstrated that the plants could alter enzyme genes expression to reconstruct the complicated metabolic pathways, which used to tolerate the CMP and abiotic stresses. Furthermore, most of the affected pathway genes were closely related to secondary metabolic processes, and the influence of consecutive monoculture practice on the transcriptome genes expression profile was very similar to the profile under salt stress and then to the profile under drought stress. The outlined schematic diagram unfolded the putative signal regulation mechanism in response to the CMP. Genes that differentially up- or down-regulated under consecutive monoculture practice may play important roles in the CMP or replanting disease in R. glutinosa.
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Affiliation(s)
- Yunhe Tian
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Fajie Feng
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Bao Zhang
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Mingjie Li
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Fengqing Wang
- Henan Agricultural University, Zhengzhou, 450002, China
| | - Li Gu
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Aiguo Chen
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Zhanjie Li
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Wenbo Shan
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Xiaoran Wang
- Henan Agricultural University, Zhengzhou, 450002, China
| | - Xinjian Chen
- Henan Agricultural University, Zhengzhou, 450002, China
| | - Zhongyi Zhang
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province University, Fuzhou, 350002, China.
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Wu L, Wang J, Huang W, Wu H, Chen J, Yang Y, Zhang Z, Lin W. Plant-microbe rhizosphere interactions mediated by Rehmannia glutinosa root exudates under consecutive monoculture. Sci Rep 2015; 5:15871. [PMID: 26515244 PMCID: PMC4626807 DOI: 10.1038/srep15871] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 10/07/2015] [Indexed: 11/11/2022] Open
Abstract
Under consecutive monoculture, the biomass and quality of Rehmannia glutinosa declines significantly. Consecutive monoculture of R. glutinosa in a four-year field trial led to significant growth inhibition. Most phenolic acids in root exudates had cumulative effects over time under sterile conditions, but these effects were not observed in the rhizosphere under monoculture conditions. It suggested soil microbes might be involved in the degradation and conversion of phenolic acids from the monocultured plants. T-RFLP and qPCR analysis demonstrated differences in both soil bacterial and fungal communities during monoculture. Prolonged monoculture significantly increased levels of Fusarium oxysporum, but decreased levels of Pseudomonas spp. Abundance of beneficial Pseudomonas spp. with antagonistic activity against F. oxysporum was lower in extended monoculture soils. Phenolic acid mixture at a ratio similar to that found in the rhizosphere could promote mycelial growth, sporulation, and toxin (3-Acetyldeoxynivalenol, 15-O-Acetyl-4-deoxynivalenol) production of pathogenic F. oxysporum while inhibiting growth of the beneficial Pseudomonas sp. W12. This study demonstrates that extended monoculture can alter the microbial community of the rhizosphere, leading to relatively fewer beneficial microorganisms and relatively more pathogenic and toxin-producing microorganisms, which is mediated by the root exudates.
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Affiliation(s)
- Linkun Wu
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Juanying Wang
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Weimin Huang
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Hongmiao Wu
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Jun Chen
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Yanqiu Yang
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Zhongyi Zhang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
| | - Wenxiong Lin
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China.,Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, P. R. China
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Terminal Restriction Fragment Length Polymorphism Analysis of Soil Bacterial Communities under Different Vegetation Types in Subtropical Area. PLoS One 2015; 10:e0129397. [PMID: 26098851 PMCID: PMC4476674 DOI: 10.1371/journal.pone.0129397] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 05/07/2015] [Indexed: 11/19/2022] Open
Abstract
Soil microbes are active players in energy flow and material exchange of the forest ecosystems, but the research on the relationship between the microbial diversity and the vegetation types is less conducted, especially in the subtropical area of China. In this present study, the rhizosphere soils of evergreen broad-leaf forest (EBF), coniferous forest (CF), subalpine dwarf forest (SDF) and alpine meadow (AM) were chosen as test sites. Terminal-restriction fragment length polymorphisms (T-RFLP) analysis was used to detect the composition and diversity of soil bacterial communities under different vegetation types in the National Natural Reserve of Wuyi Mountains. Our results revealed distinct differences in soil microbial composition under different vegetation types. Total 73 microbes were identified in soil samples of the four vegetation types, and 56, 49, 46 and 36 clones were obtained from the soils of EBF, CF, SDF and AM, respectively, and subsequently sequenced. The Actinobacteria, Fusobacterium, Bacteroidetes and Proteobacteria were the most predominant in all soil samples. The order of Shannon-Wiener index (H) of all soil samples was in the order of EBF>CF>SDF>AM, whereas bacterial species richness as estimated by four restriction enzymes indicated no significant difference. Principal component analysis (PCA) revealed that the soil bacterial communities’ structures of EBF, CF, SDF and AM were clearly separated along the first and second principal components, which explained 62.17% and 31.58% of the total variance, respectively. The soil physical-chemical properties such as total organic carbon (TOC), total nitrogen (TN), total phosphorus (TP) and total potassium (TK) were positively correlated with the diversity of bacterial communities.
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Tang QY, Zhang CX. Data Processing System (DPS) software with experimental design, statistical analysis and data mining developed for use in entomological research. INSECT SCIENCE 2013; 20:254-60. [PMID: 23955865 DOI: 10.1111/j.1744-7917.2012.01519.x] [Citation(s) in RCA: 527] [Impact Index Per Article: 47.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
A comprehensive but simple-to-use software package called DPS (Data Processing System) has been developed to execute a range of standard numerical analyses and operations used in experimental design, statistics and data mining. This program runs on standard Windows computers. Many of the functions are specific to entomological and other biological research and are not found in standard statistical software. This paper presents applications of DPS to experimental design, statistical analysis and data mining in entomology.
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Affiliation(s)
- Qi-Yi Tang
- Institute of Insect Science, Zhejiang University, Hangzhou 310058, China.
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