Alternaria species in section Alternaria associated with Iris plants in China
Plants of the Iris genus have been widely cultivated because of their medicinal, ornamental, and economic values. It commonly suffers from Alternaria leaf spot or blight disease leading to considerable losses for their commercial values. During an investigation of 14 provinces or municipalities of C...
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| Format: | Article |
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Frontiers Media S.A.
2022-10-01
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| Series: | Frontiers in Microbiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2022.1036950/full |
| _version_ | 1798028725980233728 |
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| author | Ya-Nan Gou Sein Lai Lai Aung Aye Aye Htun Cheng-Xin Huang Jian-Xin Deng |
| author_facet | Ya-Nan Gou Sein Lai Lai Aung Aye Aye Htun Cheng-Xin Huang Jian-Xin Deng |
| author_sort | Ya-Nan Gou |
| collection | DOAJ |
| description | Plants of the Iris genus have been widely cultivated because of their medicinal, ornamental, and economic values. It commonly suffers from Alternaria leaf spot or blight disease leading to considerable losses for their commercial values. During an investigation of 14 provinces or municipalities of China from 2014 to 2022, a total of 122 Alternaria strains in section Alternaria were obtained from diseased leaves of Iris spp.. Among them, 12 representative strains were selected and identified based on morphological characterization and multi-locus phylogenetic analysis, which encompassed the internal transcribed spacer of rDNA region (ITS), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), translation elongation factor 1 alpha (TEF1), RNA polymerase second largest subunit (RPB2), Alternaria major allergen gene (Alt a 1), an anonymous gene region (OPA10-2), and endopolygalacturonase gene (EndoPG). The strains comprised two known species of A. alternata and A. iridicola, and two new species of A. setosae and A. tectorum, which were described and illustrated here. Their pathogenicity evaluated on Iris setosa indicated that all the strains could induce typical Alternaria leaf spot or blight symptoms. The results showed that the virulence was variable among those four species, from which A. tectorum sp. nov. was the most virulent one, followed by A. setosae sp. nov., A. iridicola and A. alternata. |
| first_indexed | 2024-04-11T19:14:05Z |
| format | Article |
| id | doaj.art-224ec74f45104e6abc38034371df93a6 |
| institution | Directory Open Access Journal |
| issn | 1664-302X |
| language | English |
| last_indexed | 2024-04-11T19:14:05Z |
| publishDate | 2022-10-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Microbiology |
| spelling | doaj.art-224ec74f45104e6abc38034371df93a62022-12-22T04:07:30ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2022-10-011310.3389/fmicb.2022.10369501036950Alternaria species in section Alternaria associated with Iris plants in ChinaYa-Nan Gou0Sein Lai Lai Aung1Aye Aye Htun2Cheng-Xin Huang3Jian-Xin Deng4Department of Plant Protection, College of Agriculture, Yangtze University, Jingzhou, ChinaDepartment of Plant Protection, College of Agriculture, Yangtze University, Jingzhou, ChinaNational Key Laboratory of Wheat and Maize Crop Science, Agronomy College, Henan Agricultural University, Zhengzhou, ChinaDepartment of Plant Protection, College of Agriculture, Yangtze University, Jingzhou, ChinaDepartment of Plant Protection, College of Agriculture, Yangtze University, Jingzhou, ChinaPlants of the Iris genus have been widely cultivated because of their medicinal, ornamental, and economic values. It commonly suffers from Alternaria leaf spot or blight disease leading to considerable losses for their commercial values. During an investigation of 14 provinces or municipalities of China from 2014 to 2022, a total of 122 Alternaria strains in section Alternaria were obtained from diseased leaves of Iris spp.. Among them, 12 representative strains were selected and identified based on morphological characterization and multi-locus phylogenetic analysis, which encompassed the internal transcribed spacer of rDNA region (ITS), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), translation elongation factor 1 alpha (TEF1), RNA polymerase second largest subunit (RPB2), Alternaria major allergen gene (Alt a 1), an anonymous gene region (OPA10-2), and endopolygalacturonase gene (EndoPG). The strains comprised two known species of A. alternata and A. iridicola, and two new species of A. setosae and A. tectorum, which were described and illustrated here. Their pathogenicity evaluated on Iris setosa indicated that all the strains could induce typical Alternaria leaf spot or blight symptoms. The results showed that the virulence was variable among those four species, from which A. tectorum sp. nov. was the most virulent one, followed by A. setosae sp. nov., A. iridicola and A. alternata.https://www.frontiersin.org/articles/10.3389/fmicb.2022.1036950/fullAlternariaIrismorphologyphylogenetic analysispathogenicity |
| spellingShingle | Ya-Nan Gou Sein Lai Lai Aung Aye Aye Htun Cheng-Xin Huang Jian-Xin Deng Alternaria species in section Alternaria associated with Iris plants in China Frontiers in Microbiology Alternaria Iris morphology phylogenetic analysis pathogenicity |
| title | Alternaria species in section Alternaria associated with Iris plants in China |
| title_full | Alternaria species in section Alternaria associated with Iris plants in China |
| title_fullStr | Alternaria species in section Alternaria associated with Iris plants in China |
| title_full_unstemmed | Alternaria species in section Alternaria associated with Iris plants in China |
| title_short | Alternaria species in section Alternaria associated with Iris plants in China |
| title_sort | alternaria species in section alternaria associated with iris plants in china |
| topic | Alternaria Iris morphology phylogenetic analysis pathogenicity |
| url | https://www.frontiersin.org/articles/10.3389/fmicb.2022.1036950/full |
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