Ascodesmis rosicola sp. nov. and Talaromyces rosarhiza sp. nov., two endophytes from Rosa roxburghii in China
Creators
- 1. Department of Plant Pathology, College of Agriculture, Guizhou University, Guiyang, China|Guizhou Academy of Testing and Analysis, Guiyang, China
- 2. Department of Plant Pathology, College of Agriculture, Guizhou University, Guiyang, China
- 3. Grain and Oil Quality Testing Center of Guiyang, Guiyang, China
- 4. Guizhou Academy of Testing and Analysis, Guiyang, China
Description
Rosa roxburghii Tratt., a deciduous shrub of the family Rosaceae, is usually used as food and medicinal materials and also cultivated as an ornamental. Plant endophytic fungi are a large class of microbial resources not fully researched, with great potential applications. Two strains of Ascodesmis and Talaromyces were isolated during a survey of biodiversity on endophytic fungi of R. roxburghii in China. Multigene phylogenetic analyses showed that each of the two fungi formed a distinct lineage and separated from known congeneric species and they are proposed as two novel taxa.
Ascodesmis rosicola sp. nov. usually has one or two conspicuous simple or branched ridges extending to the majority of the ascospore surface and remarkably small asci, distinguishing it from the previously-described species in the genus Ascodesmis. Talaromyces rosarhiza sp. nov., of the section Talaromyces, is closely related to T. francoae. It differs from the latter by having both monoverticillate and biverticillate conidiophores, while those of T. francoae are biverticillate. Both novel endophytes are illustrated and described.
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- Figure: 10.3897/BDJ.9.e70088.figure3 (DOI)
- Figure: 10.3897/BDJ.9.e70088.figure4 (DOI)
- Figure: 10.3897/BDJ.9.e70088.figure1 (DOI)
- Figure: 10.3897/BDJ.9.e70088.figure2 (DOI)