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Title: Endophytic fungi associated with leaves of Betulaceae in Japan.
Authors: Osono, Takashi  KAKEN_id
Masuya, Hayato
Author's alias: 大園, 享司
Keywords: Betulaceae
climatic region
seasonal change
tree leaves
Issue Date: Apr-2012
Publisher: NRC Research Press
Journal title: Canadian journal of microbiology
Volume: 58
Issue: 4
Start page: 507
End page: 515
Abstract: Diversity and species composition of endophytic fungi on leaves of 11 tree species in Betulaceae were studied, with reference to climatic, tree species, and seasonal variations. A total of 186 fungal isolates were obtained from 190 leaves collected in a subalpine forest, a cool temperate forest, and a subtropical forest in Japan, and were divided into 46 operational taxonomic units (OTUs) according to the base sequences of D1-D2 region of large subunit rDNA. The 2 most frequent OTUs were Muscodor sp. and Nemania sp. in Xylariaceae, followed by Gnomonia sp., Glomerella acutata , Apiosporopsis sp., Asteroma sp., and Cladosporium cladosporioides . The similarities of OTU composition in endophytic fungal assemblages on leaves of Betulaceae were generally low among the forests of different climatic regions. Fungal OTU compositions were relatively similar between 2 Betula species in the subalpine forest, whereas 7 tree species in the cool temperate forest were divided into 3 groups according to the similarity of endophytic fungal assemblages on the leaves, with 4 Carpinus species assigned into 2 of the 3 groups. The similarity of endophytic fungal assemblages between August and October was relatively high in the subalpine forest, whereas the seasonal changes were generally greater (i.e., the similarities among sampling dates were lower) in the cool temperate forest.
Rights: © Copyright 2012 – Canadian Science Publishing.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1139/w2012-018
PubMed ID: 22452312
Appears in Collections:Journal Articles

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