Abstract
A Dunaliella strain was isolated from Yuncheng Salt Lake, Shanxi, China (111.05°E, 35.03°N). Morphological characteristics and molecular data were used to evaluate the relationship of this algal strain to other Dunaliella strains. Morphology of the isolated strain observed was close to Dunaliella salina. Phylogenetic trees were constructed from rbcL, psaB, ITS (ITS-1+5.8S rDNA+ITS-2) and 18S rDNA sequence data. Phylogenetic analysis of the four gene sequences revealed that the isolated Dunaliella strain is closely related to D. salina (Dunal) Teodoresco, D. peircei Nicolai et Baas-Becking, D. tertiolecta Butcher and more likely closer to D. salina. Combined morphological characteristics and phylogenetic analysis, the isolated Duanliella—designated here as D. sp YC01—should be a Dunalialla salina strain.
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