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Ectomycorrhiza synthesis and basidiome formation of an orchid symbiont of the genus Thelephora on Quercus serrata
Mycoscience ( IF 1.4 ) Pub Date : 2019-08-17 , DOI: 10.1016/j.myc.2019.08.001
Takahiro Yagame , Nitaro Maekawa

We induced basidioma formation of a fungus belonging to the Thelephoraceae that was isolated from the orchid Cephalanthera falcata. The mycobiont was isolated from root, cultured on modified Melin-Norkrans medium, and then inoculated onto fine roots of a Quercus serrata (Fagaceae) seedling. After observation of ectomycorrhiza formation, the Q. serrata seedling was grown in a pot. Thirty-six mo after ectomycorrhiza formation, basidioma formation was confirmed at the bottom of the pot. From comparisons in morphological characteristics between the mycobiont and known related Thelephoraceae species, and sequence similarities of internal transcribed spacer region in ribosomal DNA, we identified the mycobiont as Thelephora ellisii sensu lato in Thelephoraceae (Basidiomycota). Phylogenetic analysis indicated that the related sequences came from ectomycorrhizae of trees of the Salicaceae, Pinaceae, and Fagaceae distributed in East Asia, the USA, central Africa, and Europe.



中文翻译:

属的兰花的共生体的外生菌根合成和basidiome形成干巴

我们诱导了一种从兰花Cephalanthera falcata分离到的属于菊科的真菌形成的基底瘤。从根中分离出杀真菌剂,在改良的Melin-Norkrans培养基上培养,然后接种到锯齿栎(Fagaceae)幼苗的细根上。观察到外生菌根的形成后,将Q. serrata幼苗放入盆中。皮外生菌根形成后36个月,在锅底确认了基底瘤形成。通过比较分枝杆菌和已知相关的衣藻科物种的形态学特征,以及核糖体DNA内部转录间隔区的序列相似性,我们确定了该分枝杆菌为Thelephora ellisii。千寿菊(Basidiomycota)中的sensu lato。系统发育分析表明,相关序列来自分布在东亚,美国,中非和欧洲的杨柳科,松科和菊科的树皮。

更新日期:2019-08-17
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