Rhodenigma contortum, an obscure new genus and species of Rhodogorgonales (Rhodophyta) from Western Australia.
Identifieur interne : 001737 ( PubMed/Checkpoint ); précédent : 001736; suivant : 001738Rhodenigma contortum, an obscure new genus and species of Rhodogorgonales (Rhodophyta) from Western Australia.
Auteurs : John A. West [Australie] ; Giuseppe C. Zuccarello [Nouvelle-Zélande] ; Susan Loiseaux De Goër [France] ; Lambros A. Stavrias [Australie] ; Heroen Verbruggen [Australie]Source :
- Journal of phycology [ 1529-8817 ] ; 2016.
Abstract
An unknown microscopic, branched filamentous red alga was isolated into culture from coral fragments collected in Coral Bay, Western Australia. It grew well unattached or attached to glass with no reproduction other than fragmentation of filaments. Cells of some branch tips became slightly contorted and digitated, possibly as a substrate-contact-response seen at filament tips of various algae. Attached multicellular compact disks on glass had a very different cellular configuration and size than the free filaments. In culture the filaments did not grow on or in coral fragments. Molecular phylogenies based on four markers (rbcL, cox1, 18S, 28S) clearly showed it belongs to the order Rhodogorgonales, as a sister clade of Renouxia. Based on these results, the alga is described as the new genus and species Rhodenigma contortum in the Rhodogorgonaceae. It had no morphological similarity to either of the other genera in Rhodogorgonaceae and illustrates the unknown diversity in cryptic habitats such as tropical coral rubble.
DOI: 10.1111/jpy.12402
PubMed: 27273532
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Phycol.</ISOAbbreviation></Journal><ArticleTitle>Rhodenigma contortum, an obscure new genus and species of Rhodogorgonales (Rhodophyta) from Western Australia.</ArticleTitle><Pagination><MedlinePgn>397-403</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/jpy.12402</ELocationID><Abstract><AbstractText>An unknown microscopic, branched filamentous red alga was isolated into culture from coral fragments collected in Coral Bay, Western Australia. It grew well unattached or attached to glass with no reproduction other than fragmentation of filaments. Cells of some branch tips became slightly contorted and digitated, possibly as a substrate-contact-response seen at filament tips of various algae. Attached multicellular compact disks on glass had a very different cellular configuration and size than the free filaments. In culture the filaments did not grow on or in coral fragments. Molecular phylogenies based on four markers (rbcL, cox1, 18S, 28S) clearly showed it belongs to the order Rhodogorgonales, as a sister clade of Renouxia. Based on these results, the alga is described as the new genus and species Rhodenigma contortum in the Rhodogorgonaceae. 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West</name></region><name sortKey="Stavrias, Lambros A" sort="Stavrias, Lambros A" uniqKey="Stavrias L" first="Lambros A" last="Stavrias">Lambros A. Stavrias</name><name sortKey="Verbruggen, Heroen" sort="Verbruggen, Heroen" uniqKey="Verbruggen H" first="Heroen" last="Verbruggen">Heroen Verbruggen</name></country><country name="Nouvelle-Zélande"><noRegion><name sortKey="Zuccarello, Giuseppe C" sort="Zuccarello, Giuseppe C" uniqKey="Zuccarello G" first="Giuseppe C" last="Zuccarello">Giuseppe C. Zuccarello</name></noRegion></country><country name="France"><noRegion><name sortKey="De Goer, Susan Loiseaux" sort="De Goer, Susan Loiseaux" uniqKey="De Goer S" first="Susan Loiseaux" last="De Goër">Susan Loiseaux De Goër</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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