Multi-locus phylogeny and morphology reveal five new species of Fomitiporia (Hymenochaetaceae) from China
Multi-locus phylogeny and morphology reveal five new species of Fomitiporia (Hymenochaetaceae) from China
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DOI：
10.1007/s11557-017-1306-0
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发表时间：
2017-07-01
影响因子：
2.4
通讯作者：
Cui, Bao-Kai
中科院分区：
文献类型：
--
作者：
Chen, Hong;Cui, Bao-Kai
5个新发现的层孔菌属Fomitiporia（F. alpina、高山弯角藻F. gaoligongensis、高黎贡花F. hainaniana、海南花F. subrobusta和F. subtropica）及其形态和分子特征。Fomitiporia alpina sp. nov.的特征是其有毛担子、平行菌丝和大担子孢子（6.5-8 x 6-8 μ m），以及裸子植物木材生活栖息地。高黎贡拟孔菌（Fomitiporia gaoligongensis sp. nov.）与其它种的区别在于其半圆形的菌盖和近球形至球形的担孢子（6.5-7.6 x 6-7.4 μ m）。海南拟孔菌新种的特征是其倒生的担孢子，刚毛和小的球状担孢子（4-5 x 3.8-4.4 μ m）。亚粗壮层孔菌（Fomitiporia subrobusta sp. nov.）的特征是担子瘤三棱形，小的孢子孔（每毫米6-9个），孢子壁全厚，担子孢子近球形至倒卵球形（6.2-6.8 x 5.2-6 μ m）。亚热带层孔菌（Fomitiporia subtropica sp. nov.）可通过其倒仰的担子瘤、较小的孔（每毫米6-10个）和较小的担子孢子（5.2-6 x 4.4-5 μ m）来区分。系统发育分析，基于多基因比较的内部转录间隔区（ITS），核大亚基核糖体RNA基因区（nLSU），翻译延伸因子1-α基因（tef 1 α）和RNA聚合酶II的第二个亚基（rpb 2），证实了亲和性与Fomitiporia物种，并显示与类似的真菌属。
Five newly identified species of Fomitiporia (F. alpina, F. gaoligongensis, F. hainaniana, F. subrobusta and F. subtropica) and their morphological and molecular characterisation are described in this paper. Fomitiporia alpina sp. nov. is distinguished by its pileate basidiomata, parallel tramal hyphae and large basidiospores (6.5-8 x 6-8 mu m), and by its gymnosperm wood-living habitat. Fomitiporia gaoligongensis sp. nov. is distinct from other species due to its semicircular pileus and subglobose to globose basidiospores (6.5-7.6 x 6-7.4 mu m). Fomitiporia hainaniana sp. nov. is marked by its resupinate basidiomata, the presence of setae and small globose basidiospores (4-5 x 3.8-4.4 mu m). Fomitiporia subrobusta sp. nov. is characterised by its triquetrous basidiomata, small pores (6-9 per mm) with entire and thick dissepiments, and subglobose to obovoid basidiospores (6.2-6.8 x 5.2-6 mu m). Fomitiporia subtropica sp. nov. can be differentiated by its resupinate basidiomata, smaller pores (6-10 per mm) and smaller basidiospores (5.2-6 x 4.4-5 mu m). Phylogenetic analysis, based on multi-gene comparison of the internal transcribed spacer regions (ITS), nuclear large subunit ribosomal RNA gene regions (nLSU), the translation elongation factor 1-alpha gene (tef1 alpha) and the second subunit of RNA polymerase II (rpb2), confirmed affinity with the Fomitiporia species and showed association with similar fungi in the genus.