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Jayasinghe H, Chang HX, Knobloch S, Yang SH, Hendalage DPB, Ariyawansa KGSU, Liu PY, Stadler M, Ariyawansa HA. Metagenomic insight to apprehend the fungal communities associated with leaf blight of Welsh onion in Taiwan. FRONTIERS IN PLANT SCIENCE 2024; 15:1352997. [PMID: 38495366 PMCID: PMC10941342 DOI: 10.3389/fpls.2024.1352997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/12/2024] [Indexed: 03/19/2024]
Abstract
Plants are associated with a large diversity of microbes, and these complex plant-associated microbial communities are critical for plant health. Welsh onion (Allium fistulosum L.) is one of the key and oldest vegetable crops cultivated in Taiwan. The leaf of the Welsh onion is one of the famous spices in Taiwanese cuisine, thus, it is crucial to control foliar diseases. In recent years, Welsh onion cultivation in Taiwan has been severely threatened by the occurrence of leaf blight disease, greatly affecting their yield and quality. However, the overall picture of microbiota associated with the Welsh onion plant is still not clear as most of the recent etiological investigations were heavily based on the isolation of microorganisms from diseased plants. Therefore, studying the diversity of fungal communities associated with the leaf blight symptoms of Welsh onion may provide information regarding key taxa possibly involved in the disease. Therefore, this investigation was mainly designed to understand the major fungal communities associated with leaf blight to identify key taxa potentially involved in the disease and further evaluate any shifts in both phyllosphere and rhizosphere mycobiome assembly due to foliar pathogen infection by amplicon sequencing targeting the Internal Transcribed Spacer (ITS) 1 region of the rRNA. The alpha and beta-diversity analyses were used to compare the fungal communities and significant fungal groups were recognized based on linear discriminant analyses. Based on the results of relative abundance data and co-occurrence networks in symptomatic plants we revealed that the leaf blight of Welsh onion in Sanxing, is a disease complex mainly involving Stemphylium and Colletotrichum taxa. In addition, genera such as Aspergillus, Athelia and Colletotrichum were abundantly found associated with the symptomatic rhizosphere. Alpha-diversity in some fields indicated a significant increase in species richness in the symptomatic phyllosphere compared to the asymptomatic phyllosphere. These results will broaden our knowledge of pathogens of Welsh onion associated with leaf blight symptoms and will assist in developing effective disease management strategies to control the progress of the disease.
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Affiliation(s)
- Himanshi Jayasinghe
- Department of Plant Pathology and Microbiology, National Taiwan University, Taipei, Taiwan
| | - Hao-Xun Chang
- Department of Plant Pathology and Microbiology, National Taiwan University, Taipei, Taiwan
| | - Stephen Knobloch
- Department of Food Technology, Fulda University of Applied Sciences, Fulda, Germany
| | - Shan-Hua Yang
- Institute of Fisheries Science, National Taiwan University, Taipei, Taiwan
| | - D. P. Bhagya Hendalage
- Department of Plant Sciences, Faculty of Science, University of Colombo, Colombo, Sri Lanka
| | | | - Po-Yu Liu
- School of Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Marc Stadler
- Department Microbial Drugs, Helmholtz Centre for Infection Research GmbH (HZI), Braunschweig, Germany
| | - Hiran A. Ariyawansa
- Department of Plant Pathology and Microbiology, National Taiwan University, Taipei, Taiwan
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Dundore-Arias JP, Michalska-Smith M, Millican M, Kinkel LL. More Than the Sum of Its Parts: Unlocking the Power of Network Structure for Understanding Organization and Function in Microbiomes. ANNUAL REVIEW OF PHYTOPATHOLOGY 2023; 61:403-423. [PMID: 37217203 DOI: 10.1146/annurev-phyto-021021-041457] [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: 05/24/2023]
Abstract
Plant and soil microbiomes are integral to the health and productivity of plants and ecosystems, yet researchers struggle to identify microbiome characteristics important for providing beneficial outcomes. Network analysis offers a shift in analytical framework beyond "who is present" to the organization or patterns of coexistence between microbes within the microbiome. Because microbial phenotypes are often significantly impacted by coexisting populations, patterns of coexistence within microbiomes are likely to be especially important in predicting functional outcomes. Here, we provide an overview of the how and why of network analysis in microbiome research, highlighting the ways in which network analyses have provided novel insights into microbiome organization and functional capacities, the diverse network roles of different microbial populations, and the eco-evolutionary dynamics of plant and soil microbiomes.
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Affiliation(s)
- J P Dundore-Arias
- Department of Biology and Chemistry, California State University, Monterey Bay, Seaside, California, USA
| | - M Michalska-Smith
- Department of Plant Pathology, University of Minnesota, St. Paul, Minnesota, USA;
- Department of Ecology, Evolution, and Behavior, University of Minnesota, St. Paul, Minnesota, USA
| | | | - L L Kinkel
- Department of Plant Pathology, University of Minnesota, St. Paul, Minnesota, USA;
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Pereira LB, Thomazella DPT, Teixeira PJPL. Plant-microbiome crosstalk and disease development. CURRENT OPINION IN PLANT BIOLOGY 2023; 72:102351. [PMID: 36848753 DOI: 10.1016/j.pbi.2023.102351] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/27/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Plants harbor a complex immune system to fight off invaders and prevent diseases. For decades, the interactions between plants and pathogens have been investigated primarily through the lens of binary interactions, largely neglecting the diversity of microbes that naturally inhabit plant tissues. Recent research, however, demonstrates that resident microbes are more than mere spectators. Instead, the plant microbiome extends host immune function and influences the outcome of a pathogen infection. Both plants and the interacting microbes produce a large diversity of metabolites that form an intricate chemical network of nutrients, signals, and antimicrobial molecules. In this review, we discuss the involvement of the plant microbiome in disease development, focusing on the biochemical conversation that occurs between plants and their associated microbiota before, during and after infection. We also highlight outstanding questions and possible directions for future research.
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Affiliation(s)
- Letícia B Pereira
- Department of Biological Sciences, "Luiz de Queiroz" College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba, SP, Brazil
| | - Daniela P T Thomazella
- Department of Genetics, "Luiz de Queiroz" College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba, SP, Brazil
| | - Paulo J P L Teixeira
- Department of Biological Sciences, "Luiz de Queiroz" College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba, SP, Brazil.
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Frąc M, Hannula ES, Bełka M, Salles JF, Jedryczka M. Soil mycobiome in sustainable agriculture. Front Microbiol 2022; 13:1033824. [PMID: 36519160 PMCID: PMC9742577 DOI: 10.3389/fmicb.2022.1033824] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 10/24/2022] [Indexed: 07/21/2023] Open
Abstract
The soil microbiome contributes to several ecosystem processes. It plays a key role in sustainable agriculture, horticulture and forestry. In contrast to the vast number of studies focusing on soil bacteria, the amount of research concerning soil fungal communities is limited. This is despite the fact that fungi play a crucial role in the cycling of matter and energy on Earth. Fungi constitute a significant part of the pathobiome of plants. Moreover, many of them are indispensable to plant health. This group includes mycorrhizal fungi, superparasites of pathogens, and generalists; they stabilize the soil mycobiome and play a key role in biogeochemical cycles. Several fungal species also contribute to soil bioremediation through their uptake of high amounts of contaminants from the environment. Moreover, fungal mycelia stretch below the ground like blood vessels in the human body, transferring water and nutrients to and from various plants. Recent advances in high-throughput sequencing combined with bioinformatic tools have facilitated detailed studies of the soil mycobiome. This review discusses the beneficial effects of soil mycobiomes and their interactions with other microbes and hosts in both healthy and unhealthy ecosystems. It may be argued that studying the soil mycobiome in such a fashion is an essential step in promoting sustainable and regenerative agriculture.
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Affiliation(s)
- Magdalena Frąc
- Institute of Agrophysics, Polish Academy of Sciences, Lublin, Poland
| | | | - Marta Bełka
- Department of Forest Entomology and Pathology, Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Poznań, Poland
| | - Joana Falcao Salles
- Department of Microbial Ecology, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, Netherlands
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Dastogeer KMG, Kao-Kniffin J, Okazaki S. Editorial: Plant microbiome: Diversity, functions, and applications. Front Microbiol 2022; 13:1039212. [PMID: 36225380 PMCID: PMC9549354 DOI: 10.3389/fmicb.2022.1039212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 09/13/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Khondoker M. G. Dastogeer
- Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh, Bangladesh
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA, United States
- *Correspondence: Khondoker M. G. Dastogeer
| | - Jenny Kao-Kniffin
- Horticulture Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, United States
| | - Shin Okazaki
- Plant Microbiology Laboratory, Tokyo University of Agriculture and Technology, Tokyo, Japan
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Liu A, Li Y, Wang Q, Zhang X, Xiong J, Li Y, Lei Y, Sun Y. Analysis of microbial diversity and community structure of rhizosphere soil of Cistanche salsa from different host plants. Front Microbiol 2022; 13:971228. [PMID: 36046015 PMCID: PMC9421434 DOI: 10.3389/fmicb.2022.971228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Host plants influence rhizosphere microorganism composition through root secretions, and rhizosphere associated microorganisms influence Cistanche seeds germination. At present, little is known about effects of different host plants on soil bacteria and fungi in the rhizosphere of Cistanche salsa. High-throughput sequencing was used here to reveal the similarities and differences in the structural composition of the soil microbial community of C. salsa from six host plants (i.e., Halocnemum strobilaceum, Atriplex patens, Kalidium foliatum, Caroxylon passerinum, Anabasis aphylla, Krascheninnikovia ceratoides). We discovered that Krascheninnikovia ceratoides-parasitizing C. salsa (YRCR6) had the highest diversity of rhizosphere bacterial communities, and Anabasis aphylla -parasitizing C. salsa (YRCR5) had the highest diversity of rhizosphere fungal communities. Fungal communities were more influenced by the host plant than bacterial communities. In addition, we discovered certain rhizosphere microorganisms that may be associated with Cistanche seeds germination, including Mortierella, Aspergillus alliaceus, and Cladosporium, which are account for a relatively high proportion in Halocnemum strobilaceum, Atriplex patens and Anabasis aphylla -parasitizing C. salsa. Redundancy analysis results also revealed that AP, HCO3–, pH, Ca2+, SO42–, and K+ had a highly significant impact on the bacterial community structure (P < 0.01), while pH and SO42– had a significant impact on the fungal community structure (P < 0.05). Conclusively, differences were noted in the structure of rhizosphere bacterial and fungal communities of C. salsa parasitizing different plants in the same habit and the difference may be related to the host plant. This result can provide a new ideas for the selection of host plants and the cultivation of C. salsa.
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Affiliation(s)
- Ailing Liu
- College of Life Sciences, Shihezi University, Shihezi, China
| | - Yuxia Li
- College of Life Sciences, Shihezi University, Shihezi, China
| | - Qiqi Wang
- College of Life Sciences, Shihezi University, Shihezi, China
| | - Xinrui Zhang
- College of Life Sciences, Shihezi University, Shihezi, China
| | - Jie Xiong
- College of Life Sciences, Shihezi University, Shihezi, China
| | - Yang Li
- College of Life Sciences, Shihezi University, Shihezi, China
| | - Yonghui Lei
- Department of Plant Protection, College of Agriculture, Shihezi University, Shihezi, China
- *Correspondence: Yanfei Sun,
| | - Yanfei Sun
- College of Life Sciences, Shihezi University, Shihezi, China
- Yonghui Lei,
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