Taxonomic revision of Papenfussiella species (Chordariaceae, Phaeophyceae) in the Northern Hemisphere

Autor:	Takeaki Hanyuda, Hiroshi Kawai, Kohei Miyoshi
Rok vydání:	2016
Předmět:	0301 basic medicine Syntype Species diversity Zoology Plant Science Chordariaceae Aquatic Science Biology biology.organism_classification DNA sequencing Thallus 03 medical and health sciences 030104 developmental biology Molecular phylogenetics Taxonomy (biology) Clade
Zdroj:	Phycologia. 55:308-317
ISSN:	2330-2968 0031-8884
DOI:	10.2216/15-139.1
Popis:	Using mitochondrial cox3 and chloroplast rbcL-rbcS DNA sequences, molecular phylogeny of Papenfussiella species that were collected from various localities in Japan revealed considerable species diversity in the genus. Although only P. kuromo has been recognized in Japan, in the molecular phylogeny Japanese Papenfussiella formed four distinct clades (clades 1, 2, 3 and 4) with high statistical supports. Specimens of clade 1 corresponded to P. kuromo because the morphology agreed well with the reported descriptions of the species, and the DNA sequences agreed with the lectotype specimen. Clade 2 comprised the syntype specimens of P. kuromo f. densa Inagaki, having distinctively narrow and well-branched thalli. Papenfussiella kuromo f. gracilis was not distinguishable from P. kuromo f. densa in morphology, nor in the DNA sequences. Specimens of clade 3 were collected from Shikoku and were similar to P. kuromo in gross morphology but were anatomically different from P. kuromo in having a subcortical...
Databáze:	OpenAIRE
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