{"title":"雪霉菌属雪霉属杜松毛癣菌。","authors":"Ayuka Iwakiri, Norihisa Matsushita, Kenji Fukuda","doi":"10.47371/mycosci.2021.10.001","DOIUrl":null,"url":null,"abstract":"<p><p><i>Racodium therryanum</i> is a snow mold causing snow blight and seed rot in conifers. The sexual stage of <i>R. therryanum</i> has not been found, however, it has been speculated that <i>Herpotrichia juniperi</i>, which causes brown felt blight, is the sexual stage of <i>R. therryanum</i>. In this study, we conducted phylogenetic analysis using 28S large subunit (LSU) rDNA, 18S small subunit (SSU) rDNA, translation elongation factor 1-alpha (<i>tef1</i>), and RNA polymerase II second largest subunit (<i>rpb2</i>). Four isolates were identified as <i>R. therryanum</i> based on their morphological characteristics; together with two strains of <i>H. juniperi</i>, they composed a clade supported by high bootstrap and Bayesian posterior probability values. Therefore, we conclude that the snow mold previously described as <i>R. therryanum</i> is phylogenetically <i>H. juniperi</i>.</p>","PeriodicalId":18780,"journal":{"name":"Mycoscience","volume":null,"pages":null},"PeriodicalIF":1.5000,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c9/47/MYC-62-406.PMC9721519.pdf","citationCount":"0","resultStr":"{\"title\":\"Snow mold fungus <i>Racodium therryanum</i> is phylogenetically <i>Herpotrichia juniperi</i>.\",\"authors\":\"Ayuka Iwakiri, Norihisa Matsushita, Kenji Fukuda\",\"doi\":\"10.47371/mycosci.2021.10.001\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p><i>Racodium therryanum</i> is a snow mold causing snow blight and seed rot in conifers. The sexual stage of <i>R. therryanum</i> has not been found, however, it has been speculated that <i>Herpotrichia juniperi</i>, which causes brown felt blight, is the sexual stage of <i>R. therryanum</i>. In this study, we conducted phylogenetic analysis using 28S large subunit (LSU) rDNA, 18S small subunit (SSU) rDNA, translation elongation factor 1-alpha (<i>tef1</i>), and RNA polymerase II second largest subunit (<i>rpb2</i>). Four isolates were identified as <i>R. therryanum</i> based on their morphological characteristics; together with two strains of <i>H. juniperi</i>, they composed a clade supported by high bootstrap and Bayesian posterior probability values. Therefore, we conclude that the snow mold previously described as <i>R. therryanum</i> is phylogenetically <i>H. juniperi</i>.</p>\",\"PeriodicalId\":18780,\"journal\":{\"name\":\"Mycoscience\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2021-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c9/47/MYC-62-406.PMC9721519.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Mycoscience\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.47371/mycosci.2021.10.001\",\"RegionNum\":4,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MYCOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mycoscience","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.47371/mycosci.2021.10.001","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MYCOLOGY","Score":null,"Total":0}
Snow mold fungus Racodium therryanum is phylogenetically Herpotrichia juniperi.
Racodium therryanum is a snow mold causing snow blight and seed rot in conifers. The sexual stage of R. therryanum has not been found, however, it has been speculated that Herpotrichia juniperi, which causes brown felt blight, is the sexual stage of R. therryanum. In this study, we conducted phylogenetic analysis using 28S large subunit (LSU) rDNA, 18S small subunit (SSU) rDNA, translation elongation factor 1-alpha (tef1), and RNA polymerase II second largest subunit (rpb2). Four isolates were identified as R. therryanum based on their morphological characteristics; together with two strains of H. juniperi, they composed a clade supported by high bootstrap and Bayesian posterior probability values. Therefore, we conclude that the snow mold previously described as R. therryanum is phylogenetically H. juniperi.
期刊介绍：
Mycoscience is the official English-language journal of the Mycological Society of Japan and is issued bimonthly. Mycoscience publishes original research articles and reviews on various topics related to fungi including yeasts and other organisms that have traditionally been studied by mycologists. The research areas covered by Mycoscience extend from such purely scientific fields as systematics, evolution, phylogeny, morphology, ecology, physiology, biochemistry, genetics, and molecular biology, to agricultural, medical, and industrial applications. New and improved applications of well-established mycological techniques and methods are also covered.
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