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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45931

Title: Genetic variation within the cosmopolitan aquatic fungus Lignincola laevis (Microascales, Ascomycota).
Authors: Ka-Lai Pang
Lilian L. P. Vrijmoed
E. B. Gareth Jones
Contributors: 國立臺灣海洋大學:海洋生物研究所
Keywords: Phylogeny
Species complex
Genetic structure
Aquatic fungus
Halosphaeriaceae
Date: 2013
Issue Date: 2018-04-17T08:14:01Z
Publisher: Organisms Diversity & Evolution
Abstract: Abstract: Recent estimates suggest that there are as many as 10,000 marine fungal species, although the current number stands at just over 500. Previous studies were predominantly surveys of marine fungal diversity on various substrata in Europe, north American and Asia, while little research exists on the possible processes leading to their current distribution. Therefore, this study was initiated to assess the genetic structure and geographical distribution of the cosmopolitan aquatic fungus Lignincola laevis. The internal transcribed spacers and partial 28S region of the rRNA gene clusters, and the partial MCM7 protein gene were sequenced and analysed using maximum parsimony and Bayesian likelihood methods. Three distinct lineages were present in the sampled L. laevis isolates with a mean pairwise distance between the groups >10 %. However, no geographical assemblages could be identified in the phylogeny. The high genetic divergence suggests that Lignincola laevis is a species complex that consists of a group of closely related species with subtle morphological differences. The lack of geographical structure in the sampled isolates of L. laevis may suggest a high dispersal capacity for L. laevis.
Relation: 13(3) pp.301-309
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45931
Appears in Collections:[海洋生物研究所] 期刊論文

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