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      Pyropia plicata sp. nov. (Bangiales, Rhodophyta): naming a common intertidal alga from New Zealand

      research-article
      Author(s): 1 , 2
      Publication date (Electronic):
      Journal: PhytoKeys
      Publisher: Pensoft Publishers
      Keywords: Bangiales, New Zealand, Porphyra, Pyropia columbina, Pyropia plicata sp. nov.

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          Abstract

          Abstract

          A commonly found red alga of the upper intertidal zone of New Zealand rocky coasts is described for the first time as Pyropia plicata sp. nov. This species has been incorrectly known as Porphyra columbina Mont. (now Pyropia columbina (Mont.) W.A.Nelson) for many years. Pyropia plicata is widespread and common, and it is readily distinguished from other species of bladed Bangiales in New Zealand by its distinctive morphology, with pleated blades attached by a central rhizoidal holdfast.

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          Assessing red algal supraordinal diversity and taxonomy in the context of contemporary systematic data.

          Max Hommersand, G Saunders (2004)
          The wondrously diverse eukaryotes that constitute the red algae have been the focus of numerous recent molecular surveys and remain a rich source of undescribed and little known species for the traditional taxonomist. Molecular studies place the red algae in the kingdom Plantae; however, supraordinal classification has been largely confined to debate on subclass vs. class level status for the two recognized subgroups, one of which is widely acknowledged as paraphyletic. This narrow focus has generally masked the extent to which red algal classification needs modification. We provide a comprehensive review of the literature pertaining to the antiquity, diversity, and systematics of the red algae and propose a contemporary classification based on recent and traditional evidence.
          Article 0 comments Cited 45 times – based on 0 reviews     Review now
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            Ribosomal DNA phylogeny of the Bangiophycidae (Rhodophyta) and the origin of secondary plastids.

            K M Müller, M C Oliveira, R G Sheath … (2001)
            We sequenced the nuclear small subunit ribosomal DNA coding region from 20 members of the Bangiophycidae and from two members of the Florideophycidae to gain insights into red algal evolution. A combined alignment of nuclear and plastid small subunit rDNA and a data set of Rubisco protein sequences were also studied to complement the understanding of bangiophyte phylogeny and to address red algal secondary symbiosis. Our results are consistent with a monophyletic origin of the Florideophycidae, which form a sister-group to the Bangiales. Bangiales monophyly is strongly supported, although Porphyra is polyphyletic within Bangia. Bangiophycidae orders such as the Porphyridiales are distributed over three independent red algal lineages. The Compsopogonales sensu stricto, consisting of two freshwater families, Compsopogonaceae and Boldiaceae, forms a well-supported monophyletic grouping. The single taxon within the Rhodochaetales, Rhodochaete parvula, is positioned within a cluster containing members of the Erythropeltidales. Analyses of Rubisco sequences show that the plastids of the heterokonts are most closely related to members of the Cyanidiales and are not directly related to cryptophyte and haptophyte plastid genomes. Our results support the independent origins of these secondary algal plastids from different members of the Bangiophycidae.
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              Phylogeny of the Bangiophycidae (Rhodophyta) and the secondary endosymbiotic origin of algal plastids.

              Luiz E Oliveira, D Bhattacharya (2000)
              The Rhodophyta (red algae) are composed of the subclasses Bangiophycidae and Florideophycidae. Two evolutionarily interesting features of the Bangiophycidae are: (1) they are the ancestral pool from which the more morphologically complex taxa in the Florideophycidae have arisen and (2) they are the sources of the plastids, through secondary endosymbioses, for the Cryptophyta, Haptophyta, and the Heterokonta. To understand Bangiophycidae phylogeny and to gain further insights into red algal secondary endosymbioses, we sequenced the plastid-encoded small subunit ribosomal DNA (rDNA) coding region from nine members of this subclass and from two members of the Florideophycidae. These sequences were included in phylogenetic analyses with all available red algal plus chlorophyll a + c algal plastid rDNA coding regions. Our results are consistent with a monophyletic origin of the Florideophycidae with these taxa forming a sister group of the Bangiales. The Bangiophycidae is of a paraphyletic origin with orders such as the Porphyridiales polyphyletic and distributed over three independent red algal lineages. The plastids of the heterokonts are most closely related to members of the Cyanidium-Galdieria group of Porphyridiales and are not directly related to cryptophyte and haptophyte plastids. The phylogenies provide strong evidence for the independent origins of these "complex" algal plastids from different members of the Bangiophycidae.
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                Author and article information

                Journal
                Journal ID (nlm-ta): PhytoKeys
                Journal ID (iso-abbrev): PhytoKeys
                Journal ID (publisher-id): PhytoKeys
                Title: PhytoKeys
                Publisher: Pensoft Publishers
                ISSN (Print): 1314-2011
                ISSN (Electronic): 1314-2003
                Publication date Collection: 2013
                Publication date (Electronic): 22 March 2013
                Issue: 21
                Pages: 17-28
                Affiliations
                [1 ]National Institute of Water and Atmospheric Research, Private Bag 14-901, Wellington 6241, New Zealand
                [2 ]School of Biological Science, University of Auckland, PO Box 92-019, Auckland 1142, New Zealand
                Author notes
                Corresponding author: Wendy A. Nelson ( wendy.nelson@ 123456niwa.co.nz )

                Academic editor: J. Brodie

                Article
                DOI: 10.3897/phytokeys.21.4614
                PMC ID: 3689116
                PubMed ID: 23794933
                SO-VID: 39f8504c-13f4-4fcf-a0ff-f05cc3a372cf
                Copyright © Wendy A. Nelson
                License:

                This is an open access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC-BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                Date received : 2 January 2013
                Date accepted : 25 February 2013
                Categories
                Subject: Article

                ScienceOpen disciplines: Plant science & Botany
                Keywords: bangiales,new zealand,porphyra, pyropia columbina,pyropia plicata sp. nov.
                Data availability:
                ScienceOpen disciplines: Plant science & Botany
                Keywords: bangiales, new zealand, porphyra, pyropia columbina, pyropia plicata sp. nov.

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