Mycobiology

  • 제46권2호
  • /
  • Pages.172-176
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  • 2018
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  • 1229-8093(pISSN)
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  • 2092-9323(eISSN)
한국균학회 (The Korean Society of Mycology)
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Alternaria brassicifolii sp. nov. Isolated from Brassica rapa subsp. pekinensis in Korea

  • Deng, Jian Xin (Department of Plant Protection, College of Agriculture, Yangtze University) ;
  • Li, Mei Jia (Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agriculture Sciences) ;
  • Paul, Narayan Chandra (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Oo, May Moe (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Lee, Hyang Burm (Division of Applied Bioscience & Biotechnology, College of Agriculture & Life Sciences, Chonnam National University) ;
  • Oh, Sang-Keun (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Yu, Seung Hun (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)
  • 투고 : 2018.01.12
  • 심사 : 2018.03.18
  • 발행 : 2018.06.01
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초록

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.

키워드

참고문헌

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피인용 문헌

  1. A novel species and a new record of Alternaria isolated from two Solanaceae plants in China vol.18, pp.8, 2018, https://doi.org/10.1007/s11557-019-01504-3
  2. Polyphasic identification of three new species in Alternaria section Infectoriae causing human cutaneous infection vol.63, pp.2, 2018, https://doi.org/10.1111/myc.13026
  3. Morphological and molecular identification of two new Alternaria species (Ascomycota, Pleosporaceae) in section Radicina from China vol.78, pp.None, 2021, https://doi.org/10.3897/mycokeys.78.64853