Journal
FRONTIERS IN MICROBIOLOGY
Volume 11, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2020.00456
Keywords
Bactrodesmium; multi-gene; sheath; submerged wood; taxonomy
Categories
Funding
- National Natural Science Foundation of China [NSF 31500017]
- Yunnan young and middle aged academic and technical leaders reserve talents [2018HB008]
- Foreign Experts Bureau of Yunnan Province, Foreign Talents Program (2018) [YNZ2018002]
- Thailand Research grants [RSA5980068, DBG6080013, RDG6130001]
- Chiang Mai University
- 5th batch of Postdoctoral Orientation Training Personnel in Yunnan Province [Y934283261]
- 64th batch of China Postdoctoral Science Foundation [Y913082271]
- National Research Council of Thailand [61215320023]
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During our ongoing surveys of fungi on submerged wood in the Greater Mekong Subregion, we collected two new species similar to Bactrodesmium longisporum. Pseudobactrodesmium gen. nov. is introduced to accommodate the new species, P. aquaticum, P. chiangmaiensis and B. longisporum is transferred to this genus. Fasciculate conidiophores, enteroblastic conidiogenous cells and subulate to fusiform, phragmoseptate conidia with a tapering apical cell and sheath characterize the genus. Pseudobactrodesmium aquaticum has longer conidia than P. chiangmaiensis. The placement of Pseudobactrodesmium in Dactylosporaceae (Eurotiomycetes) is a novel finding based on analyses of combined LSU, SSU, ITS and RPB2 sequence data. Our study reveals that Pseudobactrodesmium is likely to be a speciose genus with different species in streams around the world.
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