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题名: Morphological, mycorrhizal and molecular characterization of Finnish truffles belonging to the Tuber anniae species-complex
作者: Wang, Xiang-Hua1; Benucci, Gian Maria Niccolo2; Xie, Xue-Dan1; Bonito, Gregory3; Leisola, Matti4; Liu, Pei-Gui1; Shamekh, Salem4
刊名: FUNGAL ECOLOGY
关键词: Baltic Rim ; Ectomycorrhiza ; ITS-rDNA ; Pinus sylvestris ; Puberulum clade ; Tuber anniae ; White truffles
英文摘要: The truffle species Tuber anniae was originally described from the U.S. Pacific Northwest and is purported to be uncommon. Here, we report for the first time on the fruiting of closely related taxa in Baltic Rim countries. These truffles were found in a forest dominated by Scots pine in eastern Finland. Mycorrhizal analyses confirmed its symbiosis with Pinus sylvestris. Morphological observations of ascomata and mycorrhizae, and phylogenetic analyses confirmed that these white truffles belong within the group of Tuber puberulum (i.e., Puberulum clade). Further, they group in Clades II and III of the T. anniae species-complex. With the inclusion of sequences from GenBank we are able to demonstrate that the previously unnamed environmental clade (Clade II) has been found as ectomycorrhiza in symbiosis with pine, birch, oak, aspen and even orchids in Europe. Thus, the T. anniae species-complex as a whole (and two of the three clades within) exhibit considerable geographic disjuncts: Northwestern North America and the Baltic Rim of Europe. Clade II, which was collected in agricultural soils in Finland and along roadsides in Alaska, may also be adapted for colonization into new habitats. This may help to explain its presence in New Zealand (where Tuber is not native), which most likely resulted from human-mediated dispersal of these fungi through forestry or the nursery trade. Based on our results, we hypothesize that management practices such as organic and lime amendments, along with aeration, are beneficial to the fruiting of T. anniae. Further research is needed to determine the edibility of these species and whether commercial markets can be developed. (c) 2013 Elsevier Ltd and The British Mycological Society. All rights reserved.
出版日期: 2013-08-01
卷号: 6, 期号:4, 页码:269-280
语种: 英语
收录类别: SCI
学科分类: Ecology; Mycology
ISSN号: 1754-5048
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16825
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Univ Perugia, Dept Appl Biol, I-06121 Perugia, Italy
3.Duke Univ, Dept Biol, Durham, NC 27708 USA
4.Univ Aalto, Dept Biotechnol & Chem Technol, FI-00076 Aalto, Finland

Recommended Citation:
Wang, Xiang-Hua; Benucci, Gian Maria Niccolo; Xie, Xue-Dan; Bonito, Gregory; Leisola, Matti; Liu, Pei-Gui; Shamekh, Salem.Morphological, mycorrhizal and molecular characterization of Finnish truffles belonging to the Tuber anniae species-complex,FUNGAL ECOLOGY,2013,6(4):269-280
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