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Brunneocorticium pyriforme, a new corticioid fungal genus and species belonging to the euagarics clade

机译:Brunneocorticium pyriforme,一种新的皮质类真菌属,属于常绿植物进化枝

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摘要

Evidence derived from molecular studies in recent years has revealed that corticioid fungal genera are present in all major clades of Homobasidiomycetes. Brunneocorticium pyriforme, a corticioid fungus is proposed as a new species and placed in a new genus belonging to the euagarics clade. This fungus has been collected in subtropical-tropical Taiwan and southern Yunnan Province, China. Basidiocarps often occur on bark of living Murraya spp. (Rutaceae). Basidiocarps of B. pyriforme are resupinate with a smooth hymenial surface, a dimitic hyphal system, with nodose-septate generative hyphae and abundant yellowish brown skeletal hyphae, and leptocystidia. It has 2-sterigmate basidia and pear-shaped basidiospores. Phylogenetic analysis based on sequence data derived from LSU rDNA included Brunneocorticium in the euagarics clade of Homobasidiomycetes, allied to the agaricoid genera Marasmiellus, Campanella, etc. The molecular analysis indicated that the Brunneocorticium was independent from other corticioid genera with similar morphological features.
机译:近年来,从分子研究得出的证据表明,类同胞真菌的所有主要进化枝中都存在皮质类真菌属。拟南芥(Brunneocorticium pyriforme)是一种新的物种,被认为是一种皮质类真菌,并被置于一种属于常绿植物进化枝的新属。该真菌已在亚热带台湾和中国云南南部收集。基底果皮经常出现在活的Murraya spp的树皮上。 (芸香科)。梨形双歧杆菌的胚芽果是复生的,具有光滑的处女膜表面,二膜性菌丝系统,结节状的生成菌丝和丰富的黄褐色骨架菌丝以及钩状囊虫。它具有2雌蕊的基底和梨形的担子孢子。根据来自LSU rDNA的序列数据进行的系统发育分析包括在同型拟南芥属的真人分支中的Brunneocorticium,与琼脂类属Marasmiellus,Campanella等相关。分子分析表明Brunneocorticium独立于其他具有相似形态特征的皮质类属。

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  • 来源
    《Mycologia》 |2007年第2期|共8页
  • 作者

    Wu SH; Wang DM; Tschen E;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 Q939.5;
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