20674490
not annotated - annotated - LINNAEUS only
Prasinoderma singularis sp. nov. (Prasinophyceae, Chlorophyta), a solitary coccoid Prasinophyte from the South-East Pacific Ocean.
During the BIOSOPE cruise in the South-East Pacific Ocean in 2004, several unidentified strains of prasinophytes were isolated into culture. Of these, nine strains composed a group for which the partial 18S rRNA gene sequence was related to Prasinoderma coloniale. The ultrastructure, morphology, division process, pigment composition, genome size and molecular genetic phylogeny of these nine strains were investigated, using P. coloniale as a reference. The 18S rRNA gene sequence of P. singularis sp. nov. shares only 96.9% of identity with that of P. coloniale and contains a conserved insertion of 567bp length not recorded in P. coloniale. When compared to P. coloniale, P. singularis sp. nov. is morphologically characterized by the absence of colonies, smaller cells with a thinner cell wall, and a second cell type with a different cell covering.
Ann file
T1 Species 374 396 Prasinoderma coloniale
N1 Reference T1 Taxonomy:156133
T2 Species 560 572 P. coloniale
N2 Reference T2 Taxonomy:156133
T3 Species 685 697 P. coloniale
N3 Reference T3 Taxonomy:156133
T4 Species 765 777 P. coloniale
N4 Reference T4 Taxonomy:156133
T5 Species 796 808 P. coloniale
N5 Reference T5 Taxonomy:156133
T6 Species 0 23 Prasinoderma singularis
N6 Reference T6 Taxonomy:676789 Prasinoderma singulare
T7 Species 619 632 P. singularis
N7 Reference T7 Taxonomy:676789 Prasinoderma singulare
T8 Species 810 823 P. singularis
N8 Reference T8 Taxonomy:676789 Prasinoderma singulare