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Ruan Z, Jiao J, Zhao J, Liu J, Liang C, Yang X, Sun Y, Tang G, Li P. Genome sequencing and comparative genomics reveal insights into pathogenicity and evolution of Fusarium zanthoxyli, the causal agent of stem canker in prickly ash. BMC Genomics 2024; 25:502. [PMID: 38773367 PMCID: PMC11110190 DOI: 10.1186/s12864-024-10424-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 05/16/2024] [Indexed: 05/23/2024] Open
Abstract
BACKGROUND Fusarium zanthoxyli is a destructive pathogen causing stem canker in prickly ash, an ecologically and economically important forest tree. However, the genome lack of F. zanthoxyli has hindered research on its interaction with prickly ash and the development of precise control strategies for stem canker. RESULTS In this study, we sequenced and annotated a relatively high-quality genome of F. zanthoxyli with a size of 43.39 Mb, encoding 11,316 putative genes. Pathogenicity-related factors are predicted, comprising 495 CAZymes, 217 effectors, 156 CYP450s, and 202 enzymes associated with secondary metabolism. Besides, a comparative genomics analysis revealed Fusarium and Colletotrichum diverged from a shared ancestor approximately 141.1 ~ 88.4 million years ago (MYA). Additionally, a phylogenomic investigation of 12 different phytopathogens within Fusarium indicated that F. zanthoxyli originated approximately 34.6 ~ 26.9 MYA, and events of gene expansion and contraction within them were also unveiled. Finally, utilizing conserved domain prediction, the results revealed that among the 59 unique genes, the most enriched domains were PnbA and ULP1. Among the 783 expanded genes, the most enriched domains were PKc_like kinases and those belonging to the APH_ChoK_Like family. CONCLUSION This study sheds light on the genetic basis of F. zanthoxyli's pathogenicity and evolution which provides valuable information for future research on its molecular interactions with prickly ash and the development of effective strategies to combat stem canker.
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Affiliation(s)
- Zhao Ruan
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Jiahui Jiao
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Junchi Zhao
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Jiaxue Liu
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Chaoqiong Liang
- Shaanxi Academy of Forestry, Xi'an, Shaanxi, 710082, People's Republic of China
| | - Xia Yang
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Yan Sun
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Guanghui Tang
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Peiqin Li
- Key Laboratory of National Forestry and Grassland Administration on Management of Western Forest Bio- Disaster, College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China.
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Pongpisutta R, Keawmanee P, Sanguansub S, Dokchan P, Bincader S, Phuntumart V, Rattanakreetakul C. Comprehensive Investigation of Die-Back Disease Caused by Fusarium in Durian. PLANTS (BASEL, SWITZERLAND) 2023; 12:3045. [PMID: 37687292 PMCID: PMC10490359 DOI: 10.3390/plants12173045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
Durian (Durio zibethinus L.) is an economically important crop in the southern and eastern parts of Thailand. The occurrence of die-back disease caused by plant pathogenic fungi poses a serious threat to the quality and quantity of durian products. However, the identification of causal agents has been a subject of mixed information and uncertainty. In this research, we conducted a comprehensive investigation of die-back disease in nine durian plantations located in Thailand. By analyzing a total of 86 Fusarium isolates obtained from infected tissues, we aimed to provide clarity and a better understanding of the fungal pathogens responsible for this economically significant disease. Through a combination of colony characteristics, microscopic morphology, and a multilocus sequence analysis (MLSA) of the internal transcribed spacer (ITS) region, translation elongation factor 1-α (TEF1-α) gene, and RNA polymerase II gene (RPB2) sequences, we were able to identify and categorize the isolates into three distinct groups, namely, Fusarium incarnatum, F. solani, and F. mangiferae. Koch's postulates demonstrated that only F. incarnatum and F. solani were capable of causing die-back symptoms. This research represents the first report of F. incarnatum as a causal agent of die-back disease in durian in Thailand. Additionally, this study uncovers the association of ambrosia beetles and F. solani, highlighting the potential involvement of E. similia in facilitating the spread of die-back disease caused by Fusarium in durian.
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Affiliation(s)
- Ratiya Pongpisutta
- Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand; (R.P.); (P.K.)
| | - Pisut Keawmanee
- Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand; (R.P.); (P.K.)
| | - Sunisa Sanguansub
- Department of Entomology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand; (S.S.); (P.D.)
| | - Paradorn Dokchan
- Department of Entomology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand; (S.S.); (P.D.)
| | - Santiti Bincader
- Program Plant Science, Faculty of Agricultural Technology and Agro-Industry, Rajamangala University of Technology Suvarnabhumi, Phra Nakhon Si Ayutthaya 13000, Thailand;
| | - Vipaporn Phuntumart
- Department of Biological Sciences, 129 Life Sciences Building, Bowling Green State University, Bowling Green, OH 43403, USA;
| | - Chainarong Rattanakreetakul
- Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand; (R.P.); (P.K.)
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Yang C, Sun J, Wu Z, Jiang M, Li D, Wang X, Zhou C, Liu X, Ren Z, Wang J, Sun M, Sun W, Gao J. FoRSR1 Is Important for Conidiation, Fusaric Acid Production, and Pathogenicity in Fusarium oxysporum f. sp. ginseng. PHYTOPATHOLOGY 2023; 113:1244-1253. [PMID: 36706002 DOI: 10.1094/phyto-10-22-0372-r] [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: 06/18/2023]
Abstract
The root rot disease caused by Fusarium oxysporum f. sp. ginseng is one of the most destructive diseases of ginseng, an economically important herb. However, little is known about the pathogen's toxin biosynthesis or the molecular mechanisms regulating infection of ginseng. In this study we identified and functionally characterized the FoRSR1 gene that encodes a Ras-related (RSR) small GTPase homologous to yeast Rsr1 in F. oxysporum f. sp. ginseng. Disruption of FoRSR1 resulted in a significant reduction in mycelial dry weight in liquid cultures, although vegetative growth rate was not affected on culture plates. Notably, the Forsr1 mutant exhibited blunted and swollen hyphae with multi-nucleated compartments. It produced fewer and morphologically abnormal conidia and was defective in chlamydospore formation. In infection assays with ginseng roots, the Forsr1 mutant was significantly less virulent and caused only limited necrosis at the wounding sites. Deletion of FoRSR1 also affected pigmentation, autophagy, and production of fusaric acid. Furthermore, the expression of many candidate genes involved in secondary metabolism was significantly downregulated in the mutant, suggesting that FoRSR1 is also important for secondary metabolism. Overall, our results indicated that FoRSR1 plays important roles in conidiation, vacuolar morphology, secondary metabolism, and pathogenesis in F. oxysporum f. sp. ginseng.
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Affiliation(s)
- Cui Yang
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, Hebei, 071000, China
| | - Jing Sun
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Zhaoqun Wu
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Maozhu Jiang
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Dayong Li
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Xinjie Wang
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Chunxiang Zhou
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Xuecheng Liu
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Zhiguo Ren
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, Hebei, 071000, China
| | - Jun Wang
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Manli Sun
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, Hebei, 071000, China
| | - Wenxian Sun
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
- College of Plant Protection and the Ministry of Agriculture Key Laboratory of Pest Monitoring and Green Management, China Agricultural University, Beijing, 100193, China
| | - Jie Gao
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
- State-Local Joint Engineering Research Center of Ginseng Breeding and Application, Changchun, 130118, China
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Han S, Wang M, Ma Z, Raza M, Zhao P, Liang J, Gao M, Li Y, Wang J, Hu D, Cai L. Fusarium diversity associated with diseased cereals in China, with an updated phylogenomic assessment of the genus. Stud Mycol 2023; 104:87-148. [PMID: 37351543 PMCID: PMC10282163 DOI: 10.3114/sim.2022.104.02] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/17/2023] [Indexed: 11/26/2023] Open
Abstract
Fusarium species are important cereal pathogens that cause severe production losses to major cereal crops such as maize, rice, and wheat. However, the causal agents of Fusarium diseases on cereals have not been well documented because of the difficulty in species identification and the debates surrounding generic and species concepts. In this study, we used a citizen science initiative to investigate diseased cereal crops (maize, rice, wheat) from 250 locations, covering the major cereal-growing regions in China. A total of 2 020 Fusarium strains were isolated from 315 diseased samples. Employing multi-locus phylogeny and morphological features, the above strains were identified to 43 species, including eight novel species that are described in this paper. A world checklist of cereal-associated Fusarium species is provided, with 39 and 52 new records updated for the world and China, respectively. Notably, 56 % of samples collected in this study were observed to have co-infections of more than one Fusarium species, and the detailed associations are discussed. Following Koch's postulates, 18 species were first confirmed as pathogens of maize stalk rot in this study. Furthermore, a high-confidence species tree was constructed in this study based on 1 001 homologous loci of 228 assembled genomes (40 genomes were sequenced and provided in this study), which supported the "narrow" generic concept of Fusarium (= Gibberella). This study represents one of the most comprehensive surveys of cereal Fusarium diseases to date. It significantly improves our understanding of the global diversity and distribution of cereal-associated Fusarium species, as well as largely clarifies the phylogenetic relationships within the genus. Taxonomic novelties: New species: Fusarium erosum S.L. Han, M.M. Wang & L. Cai, Fusarium fecundum S.L. Han, M.M. Wang & L. Cai, Fusarium jinanense S.L. Han, M.M. Wang & L. Cai, Fusarium mianyangense S.L. Han, M.M. Wang & L. Cai, Fusarium nothincarnatum S.L. Han, M.M. Wang & L. Cai, Fusarium planum S.L. Han, M.M. Wang & L. Cai, Fusarium sanyaense S.L. Han, M.M. Wang & L. Cai, Fusarium weifangense S.L. Han, M.M. Wang & L. Cai. Citation: Han SL, Wang MM, Ma ZY, Raza M, Zhao P, Liang JM, Gao M, Li YJ, Wang JW, Hu DM, Cai L (2023). Fusarium diversity associated with diseased cereals in China, with an updated phylogenomic assessment of the genus. Studies in Mycology 104: 87-148. doi: 10.3114/sim.2022.104.02.
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Affiliation(s)
- S.L. Han
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - M.M. Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - Z.Y. Ma
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - M. Raza
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - P. Zhao
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - J.M. Liang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - M. Gao
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - Y.J. Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - J.W. Wang
- Institute of Biology Co., Ltd., Henan Academy of Science, Zheng Zhou 450008, Henan, P. R. China;
| | - D.M. Hu
- College of Bioscience & Engineering, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, P. R. China
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
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Fusarium spp. Associated with Dendrobium officinale Dieback Disease in China. J Fungi (Basel) 2022; 8:jof8090919. [PMID: 36135644 PMCID: PMC9504887 DOI: 10.3390/jof8090919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 11/16/2022] Open
Abstract
A rare plant species of the Orchidaceae family, Dendrobium officinale is considered among the top ten Chinese medicinal herbs for its polysaccharide. Since 2021, when the dieback disease of D. officinale was first reported in Yueqing City, Zhejiang Province, China, Fusarium isolates (number = 152) were obtained from 70 plants in commercial greenhouses. The disease incidence ranged from 40% to 60% in the surveyed areas. Multilocus sequence analysis (MLSA) coupled with morphological characterization revealed that the collected isolates belonged to five species (sp.), viz., Fusarium concentricum, F. fujikuroi, F. nirenbergiae, F. curvatum, and F. stilboides, with isolation frequencies of 34.6%, 22.3%, 18.4%, 13.8%, and 10.5%, respectively. Notably, at least two Fusarium species were simultaneously isolated and identified from the infected plants. Finally, the pathogenicity test results demonstrated that such species were responsible for the dieback disease of D. officinale. However, F. concentricum and F. fujikuroi were more invasive compared to the other species in this study. To the best of the authors’ knowledge, this study was the first report of F. concentricum, F. curvatum, F. fujikuroi, F. nirenbergiae, and F. stilboides causing the dieback disease of D. officinale in China and worldwide. This work provides valuable data about the diversity and pathogenicity of Fusarium populations, which will help in formulating effective strategies and policies for better control of the dieback disease.
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Mirghasempour SA, Studholme DJ, Chen W, Zhu W, Mao B. Molecular and Pathogenic Characterization of Fusarium Species Associated with Corm Rot Disease in Saffron from China. J Fungi (Basel) 2022; 8:515. [PMID: 35628770 PMCID: PMC9147734 DOI: 10.3390/jof8050515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/14/2022] [Accepted: 05/15/2022] [Indexed: 02/06/2023] Open
Abstract
Saffron (Crocus sativus L.) is a commercial spice crop well-known throughout the world, valued for culinary, colorant, and pharmaceutical purposes. In China, Fusarium nirenbergiae was detected as causative agent of saffron corm rot, the most pervasive disease for the first time in 2020. In the present study, 261 Fusarium-like isolates were recovered from 120 rotted corms in four saffron producing fields at Zhejiang, Shanghai, and Yunnan provinces, China, in 2021. A combination of morpho-cultural features and multilocus sequence analysis (MLSA) of the concatenated rpb2 (DNA-directed RNA polymerase II largest subunit) and tef1 (translation elongation factor 1-α) partial sequences showed that the isolates from saffron belong to Fusarium nirenbergiae as well as F. commune, and F. annulatum with isolation frequencies of 58.2%, 26.8%, and 14.9%, respectively. Notably, F. commune was more prevalent than F. annulatum in the collected samples. Pathogenicity tests confirmed that both species were pathogenic on saffron corm. This is the first report of F. annulatum and F. commune causing corm rot of saffron, globally. Outcomes of the current research demonstrate that Fusarium spp. associated with saffron corm rot are more diverse than previously reported. Furthermore, some plants were infected by two or more Fusarium species. Our findings broaden knowledge about Fusarium spp. that inflict corm rot and assist the development of control measures.
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Affiliation(s)
| | - David J. Studholme
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Exeter EX4 4QD, UK;
| | - Weiliang Chen
- Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (S.A.M.); (W.C.)
| | - Weidong Zhu
- Zhejiang Shouxiangu Pharmaceutical Co., Ltd., Wuyi 321200, China;
| | - Bizeng Mao
- Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (S.A.M.); (W.C.)
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