Alternaria brassicifolii sp. nov. Isolated from Brassica rapa subsp. pekinensis in Korea
| Autor: | Hyang Burm Lee, Sang-Keun Oh, Jian Xin Deng, May Moe Oo, Seung Hun Yu, Narayan Chandra Paul, Mei Jia Li |
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| Rok vydání: | 2018 |
| Předmět: |
0301 basic medicine
Genus Alternaria biology Spots phylogenetic analysis fungi food and beverages Brassicaceae 030108 mycology & parasitology biology.organism_classification Alternaria Pathogenicity Microbiology lcsh:QK1-989 Research Note 03 medical and health sciences 030104 developmental biology Infectious Diseases lcsh:Botany morphology Botany Brassica rapa otorhinolaryngologic diseases pathogenicity |
| Zdroj: | Mycobiology, Vol 46, Iss 2, Pp 172-176 (2018) Mycobiology |
| ISSN: | 2092-9323 1229-8093 |
| Popis: | A new species belonging to the genus Alternaria was isolated from the necrotic leaf spots of Brassica rapa subsp. pekinensis in Yuseong district, Daejeon, Korea. It is an occasional isolate, not an etiological agent, which is morphologically similar to A. broccoli-italicae, but differs in conidial size and conidiophore shape. Phylogenetic analysis using the sequence datasets of the internal transcribed spacer (ITS) region of the rDNA, glyceraldehyde-3-phosphate dehydrogenase (gpd), and plasma membrane ATPase genes showed that it is distantly related to A. broccoli-italicae and closely related to Alternaria species in the section Pseudoalternaria, which belonged to a clade basal to the section Infectoriae. Morphologically, the species is unique because it produces solitary conidia or conidial chains (two units), unlike the four members in the section Pseudoalternaria that produce conidia as short branched chains. It exhibits weak pathogenicity in the host plant. This report includes the description and illustration of A. brassicifolii as a new species. |
| Databáze: | OpenAIRE |
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