Bibliographic Detail
Santiago, J. de A.S., Carneiro, P.B. de M., Santiago, A.P., Feijó, R.G. & Maggioni, R., 2016
Reference:
Santiago, J. de A.S., Carneiro, P.B. de M., Santiago, A.P., Feijó, R.G. & Maggioni, R. (2016). A new species of Rhodymeniaceae (Rhodophyta, Rhodymeniales) from the Northern Brazilian coast: Botryocladia franciscana sp. nov. Phytotaxa 242(2): 137-146, 3 figs, 2 tables.
Abstract:
A new species of marine macroalgae, Botryocladia franciscana sp. nov. (Rhodophyta, Rhodymeniaceae) is described for
the south-west Atlantic Ocean. B. franciscana was collected from protected rocky crevices at Coqueiro Beach, Piaui, Brazil.
Molecular characterization was based on two plastidial genes, the V domain of the 23S rRNA gene (UPA, universal plastid
amplicon), and the large subunit of ribulose-1, 5-bisphosphate carboxylase oxygenase gene (rbcL), and the mitochondrial
cytochrome oxidase I gene (cox1). Phylogenetic trees from rbcL sequences clearly set B. franciscana apart from morphologically
similar B. bermudana and B. caraibica. Morphological description was performed using anatomical and morphological
features, including vesicle medulla and wall thickness, shape and size of the mucous-filled vesicles, pattern of vesicles’ outer
cortication, number of secretory cells and type of cell bearing the secretory cells. The observed morphological characters
do not correspond to any previously described Botryocladia species and DNA sequence diverge values indicate it is distinct
from B. franciscana and B. bermudana; therefore, we present B. franciscana as a new species from the Brazilian coast, with
illustrations and morpho-anatomical characteristics.