Isolation, identification and biodiversity of endophytic fungi o Thymus

Progress in Biological Sciences Pub Date : 2015-06-01 DOI:10.22059/PBS.2015.53954

S. Masumi, S. Mirzaei, D. Zafari, R. Kalvandi

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引用次数: 8

Abstract

Endophytes are considered as an important source of bioactive natural products because thesemicroorganisms are able to occupy unique biological niches and grow in non-ordinaryenvironments. Therefore, endophytic fungi of medicinal plants can be developed for medicinalapplications. On the other hand, medicinal properties of plant can be ascribed to its endophyticfungi. Thymus sp. is widely used as a medicinal plant. In this research, the endophyticmicroflora of the plant was studied. In order to isolate endophytic fungi, 800 segments of 6Thymus species were collected from its natural habitats in Hamedan province (Iran) andmedicinal plants garden during the seasons of spring, summer and fall 2011. Finally, 95 isolatesconsisting of 11 different fungal genera, 6 yeast isolates and 19 infertile mycelium wereobtained. Among the identified isolates, the most abundant genera were Alternaria, Phoma, andFusarium. The above mentioned genera and the genera of Cladosporium and Colletorichumwere first reported from Thymus in Iran. The genera Curvularia, Cylindrocarpon, Drecheslra,Aspergillus, Stemphylium and Ulocladium were also, first reported from Thymus in the world.

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胸腺内生真菌的分离鉴定及生物多样性研究

内生菌被认为是生物活性天然产物的重要来源，因为这些微微生物能够占据独特的生物生态位并在非普通环境中生长。因此，药用植物内生真菌具有开发药用价值的潜力。另一方面，植物的药用特性可归因于其内生真菌。胸腺草是一种广泛使用的药用植物。本研究对该植物的内生菌群进行了研究。为了分离内生真菌，于2011年春、夏、秋三季在伊朗哈马丹省的天然生境和药用植物园内采集了6种胸腺属植物的800个片段。最终获得了95个分离株，包括11个不同的真菌属，6个酵母分离株和19个不育菌丝体。在鉴定的分离株中，数量最多的属为Alternaria、Phoma和fusarium。上述属及枝孢属和colletorichumm属均为伊朗胸腺属首次报道。在胸腺属中还首次报道了曲霉属(Curvularia)、圆柱属(cylinder carpon)、锥霉属(Drecheslra)、曲霉属(Aspergillus)、茎霉属(Stemphylium)和Ulocladium属。

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Progress in Biological Sciences

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