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Article: Phylogenetic diversity of endophytic Pestalotiopsis species in Pinus armandii and Ribes spp.: evidence from rDNA and β- tubulin gene phylogenies

TitlePhylogenetic diversity of endophytic Pestalotiopsis species in Pinus armandii and Ribes spp.: evidence from rDNA and β- tubulin gene phylogenies
Authors
Keywordsβ-Tubulin gene
Conidial characters
Cultural characteristics
Pestalotiopsis
Phylogeny
Issue Date2007
PublisherFungal Diversity Press. The Journal's web site is located at http://www.fungaldiversity.org/fdp/jumble.php
Citation
Fungal Diversity, 2007, v. 24, p. 1-22 How to Cite?
AbstractThe diversity of endophytes associated with bark and needles of Pinus armandii and leaves of Ribes species was investigated and resulted in 132 isolates being identified as Pestalotiopsis species. Isolates were grouped into morphospecies based on morphology and cultural characteristics and named based on morphological characters. To supplement identifications, ribosomal DNA (ITS and 5.8S) and β-tubulin gene sequences from 37 isolates representing diverse morphological and cultural characteristics were analyzed phylogenetically (maximum parsimony and Bayesian criteria). Phylogenies corroborated with morphologies and are largely congruent with previously established taxonomic schemes. Phylogenetic comparison of the two genes reveals that ITS based phylogenies alone were not suitable to infer phylogenetic relationships among Pestalotiopsis species as most of the clades did not receive adequate statistical support, β-tubulin phylogenies were better resolved but a combined dataset was found to be more appropriate. Although results are generally concordant with published studies, there seems to be several inconsistencies in grouping taxa at the species level. The phylogenetic relationships of species in relation to culture morphology, as well as to host and tissue association are discussed.
Persistent Identifierhttp://hdl.handle.net/10722/223533
ISSN
2015 Impact Factor: 6.991
2015 SCImago Journal Rankings: 3.027

 

DC FieldValueLanguage
dc.contributor.authorHu, H-
dc.contributor.authorJeewon, R-
dc.contributor.authorZhou, D-
dc.contributor.authorZhou, T-
dc.contributor.authorHyde, KD-
dc.date.accessioned2016-03-01T08:08:59Z-
dc.date.available2016-03-01T08:08:59Z-
dc.date.issued2007-
dc.identifier.citationFungal Diversity, 2007, v. 24, p. 1-22-
dc.identifier.issn1560-2745-
dc.identifier.urihttp://hdl.handle.net/10722/223533-
dc.description.abstractThe diversity of endophytes associated with bark and needles of Pinus armandii and leaves of Ribes species was investigated and resulted in 132 isolates being identified as Pestalotiopsis species. Isolates were grouped into morphospecies based on morphology and cultural characteristics and named based on morphological characters. To supplement identifications, ribosomal DNA (ITS and 5.8S) and β-tubulin gene sequences from 37 isolates representing diverse morphological and cultural characteristics were analyzed phylogenetically (maximum parsimony and Bayesian criteria). Phylogenies corroborated with morphologies and are largely congruent with previously established taxonomic schemes. Phylogenetic comparison of the two genes reveals that ITS based phylogenies alone were not suitable to infer phylogenetic relationships among Pestalotiopsis species as most of the clades did not receive adequate statistical support, β-tubulin phylogenies were better resolved but a combined dataset was found to be more appropriate. Although results are generally concordant with published studies, there seems to be several inconsistencies in grouping taxa at the species level. The phylogenetic relationships of species in relation to culture morphology, as well as to host and tissue association are discussed.-
dc.languageeng-
dc.publisherFungal Diversity Press. The Journal's web site is located at http://www.fungaldiversity.org/fdp/jumble.php-
dc.relation.ispartofFungal Diversity-
dc.subjectβ-Tubulin gene-
dc.subjectConidial characters-
dc.subjectCultural characteristics-
dc.subjectPestalotiopsis-
dc.subjectPhylogeny-
dc.titlePhylogenetic diversity of endophytic Pestalotiopsis species in Pinus armandii and Ribes spp.: evidence from rDNA and β- tubulin gene phylogenies-
dc.typeArticle-
dc.identifier.emailJeewon, R: rajeshjeewon@yahoo.com-
dc.identifier.emailHyde, KD: kdhyde@hkucc.hku.hk-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.scopuseid_2-s2.0-36549060625-
dc.identifier.hkuros136880-
dc.identifier.volume24-
dc.identifier.spage1-
dc.identifier.epage22-
dc.publisher.placeHong Kong-

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