Abstract：
:An important and useful bamboo species, fishscale bamboo (Phyllostachys heteroclada Oliver), is broadly distributed in Southeast China and has multiple purposes, including uses in cuisine, weaving, Chinese medicine and ecological protection. However, no previous studies have focused on the endophytes of this plant. In our article, a total of 127 fungal strains were first isolated from the healthy branches and leaves of common P. heteroclada. These endophytic fungi could be directly categorized into 50 morphotypes according to their culture characteristics, and their internal transcribed spacer (ITS) regions were analyzed for molecular identification. Using the BLAST search tool of the NCBI database and phylogenetic tree analysis, these isolates were divided into two phyla, Ascomycota (95.28%) and Basidiomycota (4.72%), including at least six orders (Xylariales, Capnodiales, Pleosporales, Hypocreales, Chaetothyriales and Polyporales) and fourteen genera (Arthrinium, Pestalotiopsis, Epicoccum, Cladosporium, Nigrospora, Setophoma, Didymella, Calcarisporium, Preussia, Nemania, Creosphaeria, Ophiobolus, Phialophora and Perenniporia). It is fascinating that four genera, Calcarisporium, Preussia, Creosphaeria and Phialophora were isolated from bamboos for the first time. The inhibitory effects against clinical pathogens were also preliminarily screened, and four isolates FB43 (Calcarisporium arbuscula), FB06 (Preussia minima), FB16 (Setophoma sp.) and FB21 (Perenniporia medulla-pains) among the candidate strains displayed broad-spectrum activities according to the agar diffusion method and the disk diffusion assay. Strain FB16 (Setophoma sp.) especially indicated high bioactivity against both clinical bacteria and yeast. This study is the first report on the diversity and antimicrobial activity of the endophytic fungi associated with P. heteroclada, which could be regarded as a potential source of drug precursors and could be used in biocontrol development.
journal_name
World J Microbiol Biotechnoljournal_title
World journal of microbiology & biotechnologyauthors
Zhou YK,Shen XY,Hou CLdoi
10.1007/s11274-017-2267-9subject
Has Abstractpub_date
2017-06-01 00:00:00pages
104issue
6eissn
0959-3993issn
1573-0972pii
10.1007/s11274-017-2267-9journal_volume
33pub_type
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