Affinities of Phylacia and the daldinoid Xylariaceae, inferred from chemotypes of cultures and ribosomal DNA sequences
Affinities of Phylacia and the daldinoid Xylariaceae, inferred from chemotypes of cultures and ribosomal DNA sequences
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DOI：
10.1016/j.mycres.2007.07.004
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发表时间：
2008-02-01
影响因子：
--
通讯作者：
Stadler, Marc
中科院分区：
文献类型：
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作者：
Bitzer, Jens;Thomas, Laessoe;Stadler, Marc
利用高效液相色谱分析进行化学分类学评价，以解决超过150菌株的属下和属间的亲和力。胎盘状炭层菌（Daldinia placentiformis）、尼加拉瓜炭团菌（Hypoxylon nicaraguense）、H. Polyporus和Phylacia sagrana含有8-甲氧基-1-萘酚，这在Annulohypoxylon，Hypoxylon和具有二分子座的相关属中明显不存在。D.胎盘状轮层壳属（Pallentiformis）和其他种的轮层壳属（Daldinia）和内丝壳属（Entonaema）产生这种萘酚、5-羟基-2-甲基色酮、异石酮衍生物和“AB-5046”植物毒素。Phylacia sagrana不同于大多数炭层壳属，除了D。caldariorum，除了上述化合物之外，还通过生产eutypine衍生物。在H. nicaraguense和H.多孔菌。在A.多形复合体，但Hypoxylon和其他Annulohypoxylon和大多数Hypoxylon spp.研究了环木属（Annulohypoxylon spp.）含有S-甲基mellein作为其培养物的主要代谢物。基于上述代谢产物的存在，进一步将mellein型二氢异香豆素、具有节孢菌样无性型的有性型和无性型Xylariaceae（'Hypoxyloideae'）划分为各种化学型。它们的5.8S/ ITS nuc-rDNA序列的比较与上述结果在某些重要方面是一致的：H. nicaraguense和H. polyporus出现在包括炭层壳属（Daldinia）、Entonaema和Ph. sagrana的分支的基部。后者与D. caldariorum，但与Pyrenomyxa morganii和Hypoxylon s关系较远。（C）2007英国真菌学会。由爱思唯尔有限公司出版。保留所有权利。
A chemotaxonomic evaluation using hplc profiling was undertaken to resolve the infrageneric and intergeneric affinities of over 150 strains of Xylariaceae. Daldinia placentiformis, Hypoxylon nicaraguense, H. polyporus, and Phylacia sagrana were found to contain 8-methoxy-1-naphthol, which is apparently absent in Annulohypoxylon, Hypoxylon, and related genera with bipartite stromata. D. placentiformis and other species of Daldinia and Entonaema produced this naphthol, 5-hydroxy-2-methylchromone, isosclerone derivatives, and 'AB-5046' phytotoxins. Phylacia sagrana differed from most Daldinia spp., except for D. caldariorum, by producing eutypine derivatives in addition to the above compounds. indolylquinones were observed in H. nicaraguense and H. polyporus. Isosclerones were also identified in the A. multiforme complex, but Hypoxylon and other Annulohypoxylon and most Hypoxylon spp. studied Annulohypoxylon spp. contained S-methylmellein as the major metabolite of their cultures. Based on the occurrence of the above metabolites, further mellein-type dihydroisocoumarins, teleomorphic and anamorphic Xylariaceae with Nodulisporium-like anamorphs ('Hypoxyloideae') were divided into various chemotypes. A comparison of their 5.8S/ ITS nuc-rDNA sequences agreed in some important aspects with the above results: H. nicaraguense and H. polyporus appeared basal to a clade comprising Daldinia, Entonaema, and Ph. sagrana. The latter species appeared allied to D. caldariorum, but was distantly related to Pyrenomyxa morganii and Hypoxylon s. str. (C) 2007 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.