{"title":"1943年采自乌干达马兜铃属锈菌的一新种。","authors":"J Bailey, S T Miller, L A Castlebury","doi":"10.3114/fuse.2025.16.8","DOIUrl":null,"url":null,"abstract":"<p><p>The genus <i>Hemileia</i> was established in 1869 and made famous by <i>H. vastatrix</i>, the agent of coffee leaf rust. This group of obligate biotrophs has grown to include more than 42 species, infecting plant hosts from 43 genera across Africa and Asia. A specimen collected in 1943 in Uganda, on the host plant <i>Aristolochia</i>, was identified to <i>Hemileia</i> sp. (BPI019726). Species identification was historically inconclusive and subsequent examinations noted that the material was insufficient. In this study, the specimen was morphologically re-examined, and partial sequences of the small subunit (18S) and large subunit (28S) of the rDNA were obtained. It was found to be sufficiently different from other species in the genus, and here described as <i>Hemileia ritscheliae sp. nov.</i>, named for the work by Anja Ritschel in compiling the <i>Hemileia</i> monograph (Ritschel 2005), and whose research greatly assisted our work. <b>Citation:</b> Bailey J, Miller ST, Castlebury LA (2025). <i>Hemileia ritscheliae</i>, a new species of rust fungus on <i>Aristolochia</i> sp. collected from Uganda in 1943. <i>Fungal Systematics and Evolution</i> <b>16</b>: 147-153. doi: 10.3114/fuse.2025.16.8.</p>","PeriodicalId":73121,"journal":{"name":"Fungal systematics and evolution","volume":"16 ","pages":"147-153"},"PeriodicalIF":0.0000,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486217/pdf/","citationCount":"0","resultStr":"{\"title\":\"<i>Hemileia ritscheliae</i>, a new species of rust fungus on <i>Aristolochia</i> sp. collected from Uganda in 1943.\",\"authors\":\"J Bailey, S T Miller, L A Castlebury\",\"doi\":\"10.3114/fuse.2025.16.8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The genus <i>Hemileia</i> was established in 1869 and made famous by <i>H. vastatrix</i>, the agent of coffee leaf rust. This group of obligate biotrophs has grown to include more than 42 species, infecting plant hosts from 43 genera across Africa and Asia. A specimen collected in 1943 in Uganda, on the host plant <i>Aristolochia</i>, was identified to <i>Hemileia</i> sp. (BPI019726). Species identification was historically inconclusive and subsequent examinations noted that the material was insufficient. In this study, the specimen was morphologically re-examined, and partial sequences of the small subunit (18S) and large subunit (28S) of the rDNA were obtained. It was found to be sufficiently different from other species in the genus, and here described as <i>Hemileia ritscheliae sp. nov.</i>, named for the work by Anja Ritschel in compiling the <i>Hemileia</i> monograph (Ritschel 2005), and whose research greatly assisted our work. <b>Citation:</b> Bailey J, Miller ST, Castlebury LA (2025). <i>Hemileia ritscheliae</i>, a new species of rust fungus on <i>Aristolochia</i> sp. collected from Uganda in 1943. <i>Fungal Systematics and Evolution</i> <b>16</b>: 147-153. doi: 10.3114/fuse.2025.16.8.</p>\",\"PeriodicalId\":73121,\"journal\":{\"name\":\"Fungal systematics and evolution\",\"volume\":\"16 \",\"pages\":\"147-153\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486217/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Fungal systematics and evolution\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3114/fuse.2025.16.8\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2025/7/16 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fungal systematics and evolution","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3114/fuse.2025.16.8","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/7/16 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
Hemileia ritscheliae, a new species of rust fungus on Aristolochia sp. collected from Uganda in 1943.
The genus Hemileia was established in 1869 and made famous by H. vastatrix, the agent of coffee leaf rust. This group of obligate biotrophs has grown to include more than 42 species, infecting plant hosts from 43 genera across Africa and Asia. A specimen collected in 1943 in Uganda, on the host plant Aristolochia, was identified to Hemileia sp. (BPI019726). Species identification was historically inconclusive and subsequent examinations noted that the material was insufficient. In this study, the specimen was morphologically re-examined, and partial sequences of the small subunit (18S) and large subunit (28S) of the rDNA were obtained. It was found to be sufficiently different from other species in the genus, and here described as Hemileia ritscheliae sp. nov., named for the work by Anja Ritschel in compiling the Hemileia monograph (Ritschel 2005), and whose research greatly assisted our work. Citation: Bailey J, Miller ST, Castlebury LA (2025). Hemileia ritscheliae, a new species of rust fungus on Aristolochia sp. collected from Uganda in 1943. Fungal Systematics and Evolution16: 147-153. doi: 10.3114/fuse.2025.16.8.
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