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Endophytic fungal community of Dysphania ambrosioides from two heavy metal-contaminated sites: evaluated by culture-dependent and culture-independent approaches

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机构: [1]Kunming Univ Sci & Technol, Med Sch, Kunming 650500, Yunnan, Peoples R China [2]First Peoples Hosp Yunnan Prov, Kunming 650032, Yunnan, Peoples R China [3]Kunming Univ Sci & Technol, Affiliated Hosp, Kunming 650500, Yunnan, Peoples R China
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Endophytic fungal communities of Dysphania ambrosioides, a hyperaccumulator growing at two Pb-Zn-contaminated sites, were investigated through culture-dependent and culture-independent approaches. A total of 237 culturable endophytic fungi (EF) were isolated from 368 tissue (shoot and roots) segments, and the colonization rate (CR) ranged from 9.64% to 65.98%. The isolates were identified to 43 taxa based on morphological characteristics and rDNA ITS sequence analysis. Among them, 13 taxa (30.23%) were common in plant tissues from both sites; however, dominant EF were dissimilar. In culture-dependent study, 1989 OTUs were obtained through Illumina Miseq sequencing, and dominant EF were almost same in plant tissues from both sites. However, some culturable EF were not observed in total endophytic communities. We suggest that combination of both culture-dependent and culture-independent methods will provide more chances for the precise estimation of endophytic fungal community than using either of them. The tissue had more influence on the culturable fungal community structure, whereas the location had more influence on the total fungal community structure (including culturable and unculturable). Both culture-dependent and culture-independent studies illustrated that endophytic fungal communities of D.ambrosioides varied across the sites, which suggested that HM concentration of the soil may have some influence on endophytic fungal diversity.

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出版当年[2018]版:
大类 | 2 区 生物
小类 | 2 区 生物工程与应用微生物 3 区 微生物学
最新[2023]版:
大类 | 2 区 生物学
小类 | 2 区 生物工程与应用微生物 3 区 微生物学
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出版当年[2017]版:
Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Q2 MICROBIOLOGY
最新[2023]版:
Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Q1 MICROBIOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2017版] 出版当年五年平均 出版前一年[2016版] 出版后一年[2018版]

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第一作者机构: [1]Kunming Univ Sci & Technol, Med Sch, Kunming 650500, Yunnan, Peoples R China
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