From pattern to process: species and functional diversity in fungal endophytes of Abies beshanzuensis

Youxiang, Zhuang; Longbing, Rao; Chen, Yicun; Zhang, Chulong; Wu, Yougui

doi:10.1016/j.funbio.2010.11.002

Cited by 68 publications

(46 citation statements)

References 66 publications

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“…2a, Table 3). The relative frequency (RF) was calculated as the number of isolates of one species divided by the total number of isolates (Yuan et al ., 2011a). The dominant EF of plants from the slag heap were Plectosphaerella sp., Cladosporium sp.…”

Section: Resultsmentioning

confidence: 99%

“…The relative frequency (RF) was calculated as the number of isolates of one species divided by the total number of isolates (Yuan et al ., 2011a). The Shannon index ( H′ ) was calculated according to the following formula:

H^{'} = {false\sum}_{i = 1}^{k} P_{i} \times ln P_{i}

, where k is the total species number of one plot and P i is the relative abundance of endophytic fungal species in one plot (Spellerberg and Fedor, 2003).…”

Section: Culturable Endophytic Fungal Communitymentioning

confidence: 99%

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

Parmar

et al. 2018

Microbial Biotechnology

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SummaryEndophytic 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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Section: Resultsmentioning

confidence: 99%

H^{'} = {false\sum}_{i = 1}^{k} P_{i} \times ln P_{i}

, where k is the total species number of one plot and P i is the relative abundance of endophytic fungal species in one plot (Spellerberg and Fedor, 2003).…”

Section: Culturable Endophytic Fungal Communitymentioning

confidence: 99%

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

Parmar

et al. 2018

Microbial Biotechnology

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“…The relative frequency (RF) was calculated as the number of isolates of one species divided by the total number of isolates (Yuan et al 2011). Endophytic fungal diversity was evaluated using the Shannon index (H′), which has two main components, evenness and the number of species.…”

Section: Discussionmentioning

confidence: 99%

“…The CR and Shannon index are indications of the number and diversity of EF in host plants and are known to vary with altitude, humidity, precipitation, temperature, host plant species, and communities (Spellerberg & Fedor 2003;Kumar & Hyde 2004;Yuan et al 2011). In the present study, the CR and Shannon index of EF from six plant species ranged from 43.75% to 75.63% and 1.80 to 2.56, respectively, which were a little lower than those reported in non-extreme environments in Yunnan Province; CR and Shannon index of 96.88-100% and 1.80-3.22 for four bryophyte species from a sub-tropical rain forest (Zhou et al 2015).…”

Section: Discussionmentioning

confidence: 99%

Diversity of fungi associated with plants growing in geothermal ecosystems and evaluation of their capacities to enhance thermotolerance of host plants

Zhou

White

Soares

et al. 2015

Journal of Plant Interactions

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Diversity and heat-adaptation of endophytic fungi (EF) and rhizospheric fungi associated with plants growing in geothermal ecosystems, Southwest China, as well as their benefit in improving host plant thermotolerances were investigated. A total of 1589 culturable fungi belonging to 38 taxa were isolated, in which Curvularia, Acrophialophora, Penicillium, and Aspergillus were the dominant genera. The Shannon indices of EF and rhizospheric fungi ranged from 1.80 to 2.56 and 0.73 to 2.11, respectively. Phylogenetic analysis indicated that the EF have a close relationship with rhizospheric fungi. However, some fungi exhibited apparently species-specific habitat distribution patterns. Growth temperature tests indicated that 60.22% of the tested isolates were thermotolerant fungi and only 39.78% were mesophiles, and the number of heat-adapted fungi increased with increasing environmental temperatures. The strain G1-29, which was isolated from the roots of Hedyotis diffusa and identified as Curvularia crepinii, significantly improved host plant thermotolerance under laboratory conditions: the death rate of endophyte-infected plants was significantly lower than that of endophyte-free plants (t-test, p = .0158, df = 4). Our results suggested that the EF and rhizospheric fungi associated with plants growing in geothermal ecosystems are diverse, and many of them have adapted to the high environmental temperatures. Some fungi have come to be the dominant endemic inhabitants of specific niches, and some played an important role in improving host plant thermotolerances.

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“…Nevertheless, dominant endophytes occurring in grasses could also predominate in other plant families. However, in conifers, genera like Lophodermium seem to be the dominant multihost endophytes, and the above mentioned endophytes, although in some cases were present, they were not as prevalent (Müller et al 2001;Arnold et al 2007;Sieber 2007;Yuan et al 2011;Botella and Díez 2011;Koukol et al 2012). …”

Section: Periconiamentioning

confidence: 99%

Are endophytes an important link between airborne spores and allergen exposure?

2013

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Grasses represent one of the Earth's most common plant groups, and natural and cultivated habitats dominated by grasses cover about 40% of the land surface. In turn, each grass species hosts multiple fungal species which can behave as endophytes. An analysis of the endophytic taxa identified in surveys conducted in 14 grass species showed that some of the most frequent taxa on each grass were also present across several host grasses. These taxa were Alternaria, Epicoccum, Cladosporium, Fusarium, and a few others. A similar analysis of airborne fungi surveyed at 41 different locations throughout the world showed that some of the most geographically widespread, and most locally frequent airborne fungi belonged to the same genera that are dominant endophytes in grasses (i.e.Cladosporium, Alternaria, Fusarium, etc.). Therefore, airborne spores of genera that are ubiquitous in grasses are common worldwide and attain high atmospheric concentrations. In addition, spores of the above mentioned fungi are also important respiratory allergens. Direct observation indicates that saprobic colonization and sporulation of non-systemic grass endophytes could become unrestrained when their host plant tissue dies. Subsequently, when appropriate environmental conditions favour sporulation on grass host surfaces, the natural cycle for airborne conidia initiates, and large numbers of these conidia disperse as inoculum for new endophytic infections. Therefore, the cycle of endophytism may be an important link between climate, plant biology and public health.

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From pattern to process: species and functional diversity in fungal endophytes of Abies beshanzuensis

Cited by 68 publications

References 66 publications

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

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

Diversity of fungi associated with plants growing in geothermal ecosystems and evaluation of their capacities to enhance thermotolerance of host plants

Are endophytes an important link between airborne spores and allergen exposure?

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