Phylogeny of the genus Fuscoporia and taxonomic assessment of the F. contigua group
Phylogeny of the genus Fuscoporia and taxonomic assessment of the F. contigua group
复制标题
Fuscoporia 属的系统发育和 F. contigua 类群的分类学评估
DOI：
10.1080/00275514.2019.1570749
复制
发表时间：
2019-04-07
期刊：
影响因子：
2.8
通讯作者：
Dai, Yu-Cheng
中科院分区：
文献类型：
--
作者：
Chen, Qian;Wu, Fang;Dai, Yu-Cheng
摘要膜壳科（Hymenochaetaceae）的Fuscoporia属（Fuscoporia）的特征是担子果后仰至有毛，菌丝系统为二分体，具细小的晶体聚集体，在隔膜边缘和管壁中有着硬壳的生殖菌丝，有子实层刚毛，担孢子透明、薄壁、光滑。F. contigua组很容易与其他种的Fuscoporia区分，因为中等大的孔，菌丝刚毛的存在，和大的处女膜刚毛。在这里，我们探讨了20种Fuscoporia的基础上检查约90个收集全世界采样的系统发育关系。本文报道了7个新种。contigua group-F. americana、美洲虎斑病菌F. centroamericana、F. costaricana，F. latispora、宽孢镰刀菌F. monticola，F. septiseta和F. sinica-描述于中国，哥斯达黎加，墨西哥和美国。根据nuc rDNA内转录间隔区（ITS 1 -5. 8 S-ITS 2 = ITS）、nuc 28 S rDNA的D1-D2结构域（28 S）和翻译延伸因子EF-1 α（tef 1）的DNA序列推断的系统发育分析支持F.群contigua组作为Fuscoporia内的两个主要分支之一，包括世界各地的9种。
ABSTRACT The genus Fuscoporia of the Hymenochaetaceae is characterized by resupinate to pileate basidiocarps, a dimitic hyphal system with fine crystal aggregates and encrusted generative hyphae in dissepiment edge and tube trama, the presence of hymenial setae, and hyaline, thin-walled, smooth basidiospores. Members of the F. contigua group are easy to distinguish from other species of Fuscoporia because of the moderately large pores, presence of mycelial setae, and large hymenial setae. Here, we explore phylogenetic relationships among 20 species of Fuscoporia based on examination of some 90 collections sampled worldwide. Seven new species are recognized in the F. contigua group—F. americana, F. centroamericana, F. costaricana, F. latispora, F. monticola, F. septiseta, and F. sinica—described from China, Costa Rica, Mexico, and the United States. Phylogenetic analyses inferred from DNA sequences of the nuc rDNA internal transcribed spacer (ITS1-5.8S-ITS2 = ITS), D1–D2 domains of nuc 28S rDNA (28S), and translation elongation factor EF-1 alpha (tef1) support the F. contigua group as one of two major clades within Fuscoporia comprising nine species worldwide.