Journal
PHYCOLOGICAL RESEARCH
Volume 61, Issue 2, Pages 98-104Publisher
WILEY-BLACKWELL
DOI: 10.1111/pre.12009
Keywords
Australia; Brazil; Laurencia dendroidea; Laurencia majuscula; rbcL; Rhodomelaceae; Rhodophyta
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Funding
- Centre of Marine Bioinnovation and Biofouling (CMBB) at the University of New South Wales
- Australian Biological Resources Study (ABRS)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [Proc. 2007/51270-7, 2010/52244-2]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [Proc. 301438/2009-9]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [10/52244-2] Funding Source: FAPESP
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Morphological and molecular studies have been undertaken on two species of the red algal genus LaurenciaJ.V.Lamouroux: Laurencia majuscula (Harvey) A.H.S. Lucas and Laurencia dendroideaJ.Agardh, both from their type localities. The phylogenetic position of these species was inferred by analysis of the chloroplast-encoded rbcL gene sequences from 24 taxa. In all phylogenetic analyses, the Australian Laurencia majuscula and the Brazilian L.dendroidea formed a well-supported monophyletic clade within the Laurencia sensu stricto. This clade was divided into two subclades corresponding to each geographical region; however, the genetic divergence between Australian L.majuscula and Brazilian L.dendroidea was only 01.35%. Examination of the type specimens and sequences of freshly collected samples of both Laurencia majuscula and L.dendroidea show the two to be conspecific despite their disjunct type localities.
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