Hassallia littoralis sp. nov. (Cyanobacteria, Microchaetaceae) from Mexico's marine supralittoral based on morphological and molecular evidence
Por:
González-Resendiz L., León-Tejera H.P., Díaz-Larrea J., Alba-Lois L., Segal-Kischinevzky C.
Publicada:
11 oct 2013
Resumen:
A new species of Hassallia (Cyanobacteria, Nostocales, Microchaetaceae) from a supralittoral tropical marine biotope is described. Hassallia littoralis is a false-branched nostocalean cyanobacterium with caespitose free filaments or with fasciculated individual filaments not in a common sheath. Filaments are mainly heteropolar, bearing mono- and bi-pored heterocysts and isopolar or heteropolar hormogonia. The sheath is often widening, with pronounced rounded terminals. This new species is defined according to molecular, morphological and ecological criteria, considering data from different stages of its life cycle as well as the 16S rRNA partial gene sequence. © 2013 Magnolia Press.
Filiaciones:
González-Resendiz L.:
Univ Nacl Autonoma Mexico, Mexico City 04510, DF, Mexico
Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Biol Comparada, Mexico City 04510, DF, Mexico
León-Tejera H.P.:
Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Biol Comparada, Mexico City 04510, DF, Mexico
Díaz-Larrea J.:
Departamento de Hidrobiología, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, México, DF 09340, Mexico
Alba-Lois L.:
Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Biol Celular, Mexico City 04510, DF, Mexico
Segal-Kischinevzky C.:
Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Biol Celular, Mexico City 04510, DF, Mexico
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