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An Axenic Culture System for Fruiting Body Formation by an Edible Bolete Phylogenetically related to Culinary-Medicinal Penny Bun Mushroom, Boletus edulis Bull.:Fr. Strains from China

文献类型： 外文期刊

作者： Fu, Shao Chun 1 ; Zhang, Mei Yan 1 ; Shang, Xiao Dong 1 ; Chen, Ming Jie 1 ; Tan, Qi 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Edible Fungi, Shanghai 201403, Peoples R China; Chinese Minist Agr, Key Lab Appl Mycol Resources & Utilizat, Shanghai, Peoples R China; Key Lab Agr Genet & Breeding, Shanghai, Peoples R China

关键词： culinary-medicinal mushrooms;Boletus spp.;ectomycorrhizal mushroom;primordium induction;fruiting body formation;axenic culture;artificial cultivation

期刊名称：INTERNATIONAL JOURNAL OF MEDICINAL MUSHROOMS （ 影响因子：1.921； 五年影响因子：1.879 ）

ISSN： 1521-9437

年卷期： 2011 年 13 卷 4 期

页码：

收录情况： SCI

摘要： The ability of two freshly isolated Boletus stains to fruit under axenic conditions was tested using different solid and liquid nutrient media. One strain (YNCX04) produced numerous primordia from which fruiting bodies, 12 mm and 10 mm in length, with grey, convex pilei, and yellow-white, clavate stipes developed between 15 and 30 d after inoculation of fungal mycelium onto a solid medium consisting of mineral salts, thiamine, glucose, potato, an extract of Cunninghamia lanceolata root, and agar. The other strain (YNB200) produced numerous primordia but no sporophores. Strain YNCX04 lost the ability to form fruiting bodies in axenic culture 6 mo after initial isolation but retained the ability to form primordia for up to 18 mo. Based on internal transcribed spacer sequencing data, strains YNB200 and YNCX04 formed a sub-cluster together with four previously designated Boletus edulis strains from China. Phylogenetic analysis placed the Chinese strains closer to B. aestivalis than to European and North American strains of B. edulis, although a 29-bp fragment specific to all the B. aestivalis strains was absent from all the Chinese strains. Furthermore, partial 18S rDNA sequences from strains YNB200 and YNCX04 exhibited 98% similarity with an 18S rDNA sequence from B. edulis strain Be3. Further molecular studies are indicated to more accurately establish the taxonomic positions of F3 and F4-3, as well as the Chinese strains designated as B. edulis.

  • 相关文献

[1]Nutritional Composition of Three Domesticated Culinary-Medicinal Mushrooms: Oudemansiella sudmusida, Lentinus squarrosulus, and Tremella aurantialba. Tang, Qing-Jiu.

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