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Xu X, Xiong F, Sun K, Xiao Q, Tan Y, Cheng X, Li X, Jin D, Fan Y. An Oxidoreductase-like Protein is Required for Verticillium dahliae Infection and Participates in the Metabolism of Host Plant Defensive Compounds. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:4669-4678. [PMID: 38383289 DOI: 10.1021/acs.jafc.3c08582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Verticillium dahliae, a notorious phytopathogenic fungus, is responsible for vascular wilt diseases in numerous crops. Uncovering the molecular mechanisms underlying pathogenicity is crucial for controlling V. dahliae. Herein, we characterized a putative oxidoreductase-like protein (VdOrlp) from V. dahliae that contains a functional signal peptide. While the expression of VdOrlp was low in artificial media, it significantly increased during host infection. Deletion of VdOrlp had minimal effects on the growth and development of V. dahliae but severely impaired its pathogenicity. Metabolomic analysis revealed significant changes in organic heterocyclic compounds and phenylpropane compounds in cotton plants infected with ΔVdOrlp and V991. Furthermore, VdOrlp expression was induced by lignin, and its deletion affected the metabolism of host lignin and phenolic acids. In conclusion, our results demonstrated that VdOrlp plays an important role in the metabolism of plant phenylpropyl lignin and organic heterocyclic compounds and is required for fungal pathogenicity in V. dahliae.
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Affiliation(s)
- Xueping Xu
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Fangjie Xiong
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Kang Sun
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Qi Xiao
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Yingqing Tan
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Xi Cheng
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Xianbi Li
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Dan Jin
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
| | - Yanhua Fan
- College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
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Moureu S, Jacquin J, Samaillie J, Deweer C, Rivière C, Muchembled J. Antifungal Activity of Hop Leaf Extracts and Xanthohumol on Two Strains of Venturia inaequalis with Different Sensitivities to Triazoles. Microorganisms 2023; 11:1605. [PMID: 37375106 DOI: 10.3390/microorganisms11061605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Hop cones are well-known for their antimicrobial properties, attributed to their specialized metabolites. Thus, this study aimed to determine the in vitro antifungal activity of different hop parts, including by-products such as leaves and stems, and some metabolites against Venturia inaequalis, the causal agent of apple scab. For each plant part, two types of extracts, a crude hydro-ethanolic extract and a dichloromethane sub-extract, were tested on spore germination of two strains with different sensitivities to triazole fungicides. Both extracts of cones, leaves and stems were able to inhibit the two strains, whereas rhizomes did not show activity. The apolar sub-extract of leaves appeared as the most active modality tested with half maximal inhibitory concentrations (IC50) of 5 and 10.5 mg·L-1 on the sensitive strain and the strain with reduced sensitivity, respectively. Differences in activity level between strains were noticed for all active modalities tested. Sub-extracts of leaves were then separated into seven fractions by preparative HPLC and tested on V. inaequalis. One fraction, containing xanthohumol, was especially active on both strains. This prenylated chalcone was then purified by preparative HPLC and showed significant activity against both strains, with IC50 of 1.6 and 5.1 mg·L-1. Therefore, xanthohumol seems to be a promising compound to control V. inaequalis.
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Affiliation(s)
- Sophie Moureu
- Joint Research Unit 1158 BioEcoAgro, INRAE, University of Lille, JUNIA, University of Liège, UPJV, University of Artois, ULCO, 59000 Lille, France
| | - Justine Jacquin
- Joint Research Unit 1158 BioEcoAgro, INRAE, University of Lille, JUNIA, University of Liège, UPJV, University of Artois, ULCO, 59000 Lille, France
| | - Jennifer Samaillie
- Joint Research Unit 1158 BioEcoAgro, INRAE, University of Lille, JUNIA, University of Liège, UPJV, University of Artois, ULCO, 59000 Lille, France
| | - Caroline Deweer
- Joint Research Unit 1158 BioEcoAgro, INRAE, University of Lille, JUNIA, University of Liège, UPJV, University of Artois, ULCO, 59000 Lille, France
| | - Céline Rivière
- Joint Research Unit 1158 BioEcoAgro, INRAE, University of Lille, JUNIA, University of Liège, UPJV, University of Artois, ULCO, 59000 Lille, France
| | - Jérôme Muchembled
- Joint Research Unit 1158 BioEcoAgro, INRAE, University of Lille, JUNIA, University of Liège, UPJV, University of Artois, ULCO, 59000 Lille, France
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Yang S, Ge Q, Wan S, Sun Z, Chen Y, Li Y, Liu Q, Gong J, Xiao X, Lu Q, Shi Y, Peng R, Shang H, Chen G, Li P. Genome-Wide Identification and Characterization of the PPO Gene Family in Cotton ( Gossypium) and Their Expression Variations Responding to Verticillium Wilt Infection. Genes (Basel) 2023; 14:477. [PMID: 36833403 PMCID: PMC9957175 DOI: 10.3390/genes14020477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/01/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023] Open
Abstract
Polyphenol oxidases (PPOs) are copper-binding metalloproteinases encoded by nuclear genes, ubiquitously existing in the plastids of microorganisms, plants, and animals. As one of the important defense enzymes, PPOs have been reported to participate in the resistant processes that respond to diseases and insect pests in multiple plant species. However, PPO gene identification and characterization in cotton and their expression patterns under Verticillium wilt (VW) treatment have not been clearly studied. In this study, 7, 8, 14, and 16 PPO genes were separately identified from Gossypium arboreum, G. raimondii, G. hirsutum, and G. barbadense, respectively, which were distributed within 23 chromosomes, though mainly gathered in chromosome 6. The phylogenetic tree manifested that all the PPOs from four cotton species and 14 other plants were divided into seven groups, and the analyses of the conserved motifs and nucleotide sequences showed highly similar characteristics of the gene structure and domains in the cotton PPO genes. The dramatically expressed differences were observed among the different organs at various stages of growth and development or under the diverse stresses referred to in the published RNA-seq data. Quantitative real-time PCR (qRT-PCR) experiments were also performed on the GhPPO genes in the roots, stems, and leaves of VW-resistant MBI8255 and VW-susceptible CCRI36 infected with Verticillium dahliae V991, proving the strong correlation between PPO activity and VW resistance. A comprehensive analysis conducted on cotton PPO genes contributes to the screening of the candidate genes for subsequent biological function studies, which is also of great significance for the in-depth understanding of the molecular genetic basis of cotton resistance to VW.
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Affiliation(s)
- Shuhan Yang
- College of Agriculture, Tarim University, Alar 843300, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Qun Ge
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Sumei Wan
- College of Agriculture, Tarim University, Alar 843300, China
| | - Zhihao Sun
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Yu Chen
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Yanfang Li
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Qiankun Liu
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Juwu Gong
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xianghui Xiao
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Quanwei Lu
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Yuzhen Shi
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Renhai Peng
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Haihong Shang
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Guodong Chen
- College of Agriculture, Tarim University, Alar 843300, China
| | - Pengtao Li
- College of Agriculture, Tarim University, Alar 843300, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang 455000, China
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Adedayo AA, Babalola OO, Prigent-Combaret C, Cruz C, Stefan M, Kutu F, Glick BR. The application of plant growth-promoting rhizobacteria in Solanum lycopersicum production in the agricultural system: a review. PeerJ 2022; 10:e13405. [PMID: 35669957 PMCID: PMC9165593 DOI: 10.7717/peerj.13405] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/18/2022] [Indexed: 01/14/2023] Open
Abstract
Food safety is a significant challenge worldwide, from plantation to cultivation, especially for perishable products such as tomatoes. New eco-friendly strategies are needed, and beneficial microorganisms might be a sustainable solution. This study demonstrates bacteria activity in the tomato plant rhizosphere. Further, it investigates the rhizobacteria's structure, function, and diversity in soil. Rhizobacteria that promote the growth and development of tomato plants are referred to as plant growth-promoting bacteria (PGPR). They form a series of associations with plants and other organisms in the soil through a mutualistic relationship where both parties benefit from living together. It implies the antagonistic activities of the rhizobacteria to deter pathogens from invading tomato plants through their roots. Some PGPR are regarded as biological control agents that hinder the development of spoilage organisms and can act as an alternative for agricultural chemicals that may be detrimental to the health of humans, animals, and some of the beneficial microbes in the rhizosphere soil. These bacteria also help tomato plants acquire essential nutrients like potassium (K), magnesium (Mg), phosphorus (P), and nitrogen (N). Some rhizobacteria may offer a solution to low tomato production and help tackle food insecurity and farming problems. In this review, an overview of soil-inhabiting rhizobacteria focused on improving the sustainable production of Solanum lycopersicum.
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Affiliation(s)
- Afeez Adesina Adedayo
- Food Security and Safety Focus Area, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
| | - Olubukola Oluranti Babalola
- Food Security and Safety Focus Area, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
| | | | - Cristina Cruz
- Department of Plant Biology, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - Marius Stefan
- Faculty of Biology, Universitatea Alexandru Ioan Cuza, Iasi, Romania
| | - Funso Kutu
- Faculty of Agiculture and Natural Sciences, University of Mpumalanga, Mpumalanga, South Africa
| | - Bernard R. Glick
- Department of Biology, University of Waterloo, Waterloo, Ontario, Canada
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Song T, Das D, Zhu F, Chen X, Chen M, Yang F, Zhang J. Effect of Alternate Wetting and Drying Irrigation on the Nutritional Qualities of Milled Rice. FRONTIERS IN PLANT SCIENCE 2021; 12:721160. [PMID: 34567035 PMCID: PMC8458798 DOI: 10.3389/fpls.2021.721160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/13/2021] [Indexed: 05/03/2023]
Abstract
Alternate wetting and drying (AWD) irrigation has been widely used to save irrigation water during rice production when compared to the traditionally continuous flooding (CF). Although the influence of AWD on water-saving potential and grain yield has been studied before, its detailed effect on grain nutritional quality in milled rice remains relatively unexplored. In this study, AWD could maintain grain yield as compared with CF. Thus, we undertook efforts to compare the nutritional traits of milled rice irrigated with AWD and CF regimes. A targeted metabolome assay on milled rice identified 74 differentially accumulated metabolites (DAMs) with 22 up- and 52 down-accumulated metabolites under AWD vs. CF. Clustering of the metabolite content obtained in this assay suggested that most of the metabolites showing significant changes belonged to "lipids," "alkaloids," and "phenolic acids." In addition, total protein, starch, lipid, and amino acids content were measured to correlate it with the differential accumulation of specific metabolites detected in the metabolome. Overall, the data suggested that AWD may improve the nutritional performance of milled rice by increasing amino acids and phenolic acids and decreasing lipids and alkaloids. Our study provides research proof for the need for the optimization of irrigation to optimize rice nutritional qualities.
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Affiliation(s)
- Tao Song
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Debatosh Das
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Fuyuan Zhu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China
| | - Xiaofeng Chen
- Guangdong Provincal Key Laboratory of Seed and Seedling Health Management Technology, Shenzhen Noposion Agrochemical Co., Ltd, Shenzhen, China
| | - Moxian Chen
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Feng Yang
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- *Correspondence: Feng Yang
| | - Jianhua Zhang
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong, SAR China
- Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong, SAR China
- Jianhua Zhang
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