A revision of the Australian species of Galaxaura (Rhodophyta, Galaxauraceae), with a description of Tricleocarpa gen. nov.

Huisman, John M.; Borowitzka, Michael A.

doi:10.2216/i0031-8884-29-2-150.1

Cited by 38 publications

(51 citation statements)

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“…With respect to cystocarp development, pericarp filaments in Dichotomaria never extend into the cystocarp cavity and never intermix with the gonimoblast filaments (Wang et al, 2005). In contrast, pericarp filaments in both Actinotrichia and Tricleocarpa can extend from the inner cystocarp wall and produce numerous paraphyses that may or may not intermix with the gonimoblast filaments (Huisman & Borowitzka, 1990;Liu & Wang, 2009). The pericarp of Galaxaura only surrounds the carpogonial branch and never the gonimoblast filaments (Wang et al, 2005;Liu et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…with dimorphism of either the thalli or the cortex) in both Galaxaura and Dichotomaria (e.g. Howe, 1917Howe, , 1918Huisman & Borowitzka, 1990), Wang et al (2005) suggested that the term should be restricted to the dimorphism of the thalli -the non-hairy gametophyte and hairy tetrasporophyte -in the life cycle of Galaxaura, in contrast to the isomorphic thalli seen in Dichotomaria (smooth gametophyte and tetrasporophyte). The reason is that it is preferable to use 'dimorphism' to refer to macroscopic differences and the dimorphism in Dichotomaria can only be seen microscopically; hence it is more appropriate to apply the term only to Galaxaura, not to Dichotomaria.…”

Section: Introductionmentioning

confidence: 99%

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Molecular phylogeny of the genusDichotomaria(Galaxauraceae, Rhodophyta) from the Indo-Pacific region, including a new speciesD. hommersandiifrom South Africa

Liu

Lin

Wang

2013

European Journal of Phycology

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Members of the Galaxauraceae are all calcified and have a wide distribution from tropical to temperate regions. Of the four genera of Galaxauraceae, only Dichotomaria contains two distinct thallus forms, which are (1) a flattened form with either narrow (e.g. D. marginata) or wide (e.g. D. diesingiana) branches, and (2) a terete form with either slender (e.g. D. papillata) or robust (e.g. D. obtusata) branches. In this study, we present a molecular phylogeny of new Dichotomaria samples from the Indo-Pacific region and describe a new species, D. hommersandii S.L. Liu & S.M. Lin, from South Africa, based on rbcL sequence analysis and morphological evidence. Dichotomaria hommersandii is characterized by a thallus consisting of terete smooth branches (0.5-1.5 mm in diameter), a moniliform branching pattern with constrictions at the nodes, ramification of young branches derived from the damaged terminal regions of the old branches, and cystocarps containing a conspicuous fusion cell. Our phylogenetic analyses indicate that the terete thallus morphology could be the ancestral character state in Dichotomaria.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Molecular phylogeny of the genusDichotomaria(Galaxauraceae, Rhodophyta) from the Indo-Pacific region, including a new speciesD. hommersandiifrom South Africa

Liu

Lin

Wang

2013

European Journal of Phycology

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“…Remarks: Previous studies [33,34] found that specimens of Tricleocarpa from a wide geographic range matched the morphology described for T. cylindrica [35], but varied greatly in their rbcL and COI sequences, suggesting the presence of cryptic species. Both PHYKOS-4617 and PHYKOS-4634 matched the morphological concept of T. cylindrica, and they are resolved with varying levels of support in a clade that includes specimens from the Caribbean where the type was collected.…”

Section: Tricleocarpa Cylindrica (J Ellis and Solander) Huisman And mentioning

confidence: 78%

“…Remarks: Ceratodictyon scoparium was originally described from Réunion Island in the western Indian Ocean and similar to C. repens is reported throughout much of the Indo-Pacific [35]. Morphologically the two species are also similar, with both demonstrating the condensed branching that results in a pseudopalmate appearance for some axes [44,76].…”

Section: Ceratodictyon Scoparium (Montagne and Millardet) Re Norrismentioning

confidence: 96%

Molecular Assisted Identification Reveals Hidden Red Algae Diversity from the Burica Peninsula, Pacific Panama

et al. 2017

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Abstract:The marine flora of Panama harbors a rich diversity of green, red and brown algae, and despite chronic understudy, it is reported as the second most diverse marine flora along the Pacific Central American coast, with 174 macroalgal species. Extensive new collections and molecular assisted identification (MAI) by an international team of researchers has revealed an even greater diversity for this country. Here, the intertidal and shallow subtidal marine flora of the remote Burica Peninsula is introduced. This area is characterized by an uplifted extensive intertidal flat composed of firm, sedimentary benthos known as mudrock, on which abundant algal communities thrive, even during extended periods of exposure. A collection of nearly 200 brown, green and red macroalgae specimens representing the first marine floristic inventory of this region was made in January 2011, and results of analyses of 45 foliose red algae specimens are presented. DNA sequence data for several loci (rbcL-3P; COI-5P; UPA) have been generated for molecular assisted identification and to guide morphological assessments. Twenty-six species were identified among the specimens including 21 new Pacific Panama records, as well as previously unrealized transisthmian distributions, and two new species, Neorubra parvolacertoides sp. nov. and Grateloupia irregularis sp. nov.

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“…Koster, 1937 Remarks: In addition to typical G. rugosa, specimens referable to Galaxaura filamentosa were collected from some high energy sites. Australian records of the latter were regarded as representing G. rugosa by Huisman & Borowitzka (1990) and the Rowley Shoals specimens will be subjected to DNA sequence analyses to confirm this opinion. lithothamnion proliferum Foslie, 1904: 18-19.…”

Section: Order Dasycladalesmentioning

confidence: 99%

Marine Benthic Plants of Western Australia’s Shelf-Edge Atolls

Huisman¹,

Leliaert²,

Verbruggen³

et al. 2009

Rec West Aust Mus Sup

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-One hundred and twenty-one species of marine algae, seagrasses and cyanobacteria are reported from the offshore atolls of northwestern Western Australia (the Rowley Shoals, Scott Reef and Seringapatam Reef). Included are 65 species of Rhodophyta, 40 species of Chlorophyta, nine species of Phaeophyceae, three species of Cyanophyta and four species of seagrasses. This report presents the first detailed account of marine benthic algae from these atolls. Twenty-four species are newly recorded for Western Australia, with four species (Anadyomene wrightii, Rhipilia nigrescens, Ceramium krameri and Zellera tawallina) also newly recorded for Australia.

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A revision of the Australian species of Galaxaura (Rhodophyta, Galaxauraceae), with a description of Tricleocarpa gen. nov.

Cited by 38 publications

References 0 publications

Molecular phylogeny of the genusDichotomaria(Galaxauraceae, Rhodophyta) from the Indo-Pacific region, including a new speciesD. hommersandiifrom South Africa

Molecular phylogeny of the genusDichotomaria(Galaxauraceae, Rhodophyta) from the Indo-Pacific region, including a new speciesD. hommersandiifrom South Africa

Molecular Assisted Identification Reveals Hidden Red Algae Diversity from the Burica Peninsula, Pacific Panama

Marine Benthic Plants of Western Australia’s Shelf-Edge Atolls

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