Molecular Phylogenetic and Comparative Genomic Analysis of Pleurocordyceps fusiformispora sp. nov. and Perennicordyceps elaphomyceticola in the Family Polycephalomycetaceae
2024
Zuoheng Liu | Yingling Lu | Dexiang Tang | Juye Zhu | Lijun Luo | Yue Chen | Hong Yu
Several Pleurocordyceps species have been reported as hyperparasitic fungi. A new species, Pleurocordyceps fusiformispora, and a known species, Perennicordyceps elaphomyceticola, are described here based on morphology and phylogenetic evidence from six genes (ITS, SSU, LSU, TET1-&alpha:, RPB1, and RPB2). Pl. fusiformispora differed from the other Pleurocordyceps species by producing flaky colonies, ovoid or elliptic &alpha:-conidia, and fusiform or long fusiform &beta:-conidia. Both full genomes of Pe. elaphomyceticola and Pl. fusiformispora were sequenced, annotated, and compared. The antiSMASH and local BLAST analyses revealed significant differences in the number and types of putative secondary metabolite biosynthetic gene clusters, i.e., NPPS, PKS, and hybrid PKS&ndash:NRPS domains, between the two species. In addition, the putative BGCs of six compounds, namely &epsilon:-poly lysine, 4-epi-15-epi-brefeldin A, Monorden D/monocillin IV/monocillin VII/pochonin M/monocillin V/monocillin II, Tolypyridone, Piperazine, and Triticone DABFC, were excavated in the present study. This study motivates the use of heterologous expression and gene knockout methods to discover novel biologically active SMs from Polycephalomycetaceae.
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