Melampsora salicis-sinicae (Melampsoraceae,Pucciniales), a new rust fungus found on willows in China |
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| Institution: | 1. Department of Pediatrics, The Jikei University School of Medicine, Japan;2. Department of Gene Therapy, Institute of DNA Medicine, Research Center for Medical Sciences, The Jikei University School of Medicine, Japan;3. Division of Pathology, The Jikei University School of Medicine, Japan;4. Division of Neuropathology, Department of Pathology, The Jikei University School of Medicine, Japan;5. Advanced Clinical Research Center, Institute of Neurological Diseases, Japan;1. The Department of Neurology, The 88th Hospital of PLA, Hongmen Road 6, Taian 271000, PR China;2. The Department of Thoracic Surgery, The 88th Hospital of PLA, Hongmen Road 6, Taian 271000, PR China;3. Institute for Biomedical Sciences of Pain and Institute for Functional Brain Disorders, Tangdu Hospital, Fourth Military Medical University, Xi''an 710038, PR China;4. The Department of Pathology, The 88th Hospital of PLA, Hongmen Road 6, Taian 271000, PR China;5. The Medical Department, The 88th Hospital of PLA, Hongmen Road 6, Taian 271000, PR China |
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| Abstract: | Based on morphological characteristics and molecular phylogeny, a rust fungus on Salix hsinganica, S. sinica, S. starkeana, S. wallichiana and S. xerophila in China is described as a new species, Melampsora salicis-sinicae. This new species morphologically resembles M. capraearum and M. epiphylla in having subcuticular teliospores with a thickened apical wall, but it differs from these two species in its amphigenous telia. In addition, this new species differs from M. capraearum in its slender teliospores and thinner apical thickness of teliospores, and it also differs from M. epiphylla in the dimension of urediniospores, the position of teliospores and the apical thickness of teliospores. Phylogenetic analyses using partial sequences of the D1/D2 region of nuclear large subunit and the internal transcribed spacer (ITS1 and ITS2) regions including 5.8S of ribosomal RNA gene and the translation elongation factor 1 alpha (EF-1α) gene revealed that this rust fungus was distinct from its morphologically similar species, M. capraearum and M. epiphylla. |
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| Keywords: | Leaf rust Morphology Phylogeny Taxonomy |
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