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Two New Oculatella (Oculatellaceae, Cyanobacteria) Species In Soil Crusts From Tropical Semi–Arid Uplands Of México, Itzel Becerra–Absalón, Jeffrey R. Johansen, Karina Osorio–Santos, Gustavo Montejavo
Two New Oculatella (Oculatellaceae, Cyanobacteria) Species In Soil Crusts From Tropical Semi–Arid Uplands Of México, Itzel Becerra–Absalón, Jeffrey R. Johansen, Karina Osorio–Santos, Gustavo Montejavo
2020 Faculty Bibliography
Two isolates of Oculatella from biological soil crusts in the arid and semi–arid tropical upland region of México were characterized using a polyphasic approach which included morphology, ecology, 16S rRNA and 16S–23S ITS phylogenetic analysis, percent identity of 16S rRNA gene sequence, percent dissimilarity of 16S–23S ITS sequence, and secondary structure of conserved ITS domains. The two species shared the generic synapomorphy of a reddish granule at the tip of mature apical cells, and possessed a single ribosomal
operon with both tRNA genes (tRNAIle and tRNAAla) based upon our analysis and the analysis of the other spe- cies in the …