Diverse and unique picocyanobacteria in Chesapeake Bay, revealed by 16S-23S rRNA internal transcribed spacer sequences

Article Abstract:

A study was conducted to investigate the population structure of picocyanobacteria in Chesapeake Bay, based on the Internal Transcribed spacer (ITS) sequences of isolates and environmental clones of picocyanobacteria. The findings indicate that marine cluster B prevailed in the upper bay, while marine cluster A was common in the lower bay.

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Ecotypes of planktonic actinobacteria with identical 16S rRNA genes adapted to thermal niches in temperature, subtropical, and tropical freshwater habitats

Article Abstract:

The thermal adaptation of closely related planktonic freshwater bacteria isolated from habitats located in three climatic zones. Based on the observed temperature responses, it was concluded that the strains investigated are well adapted to the thermal conditions in their home habitats.

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Dispersal and phylogenetic diversity of nonmarine picocyanobacteria, inferred from 16S rRNA gene and cpcBA-intergenic spacer sequence analyses

Article Abstract:

Research has been conducted on nonmarine picocyanobacteria. The authors have sequenced Synechococcus and Cyanobium isolates for their 16S rRNA gene and phycocyanin operon, and they report the existence of the clusters of nonmarine picocyanobacteria within the picoplankton clade.

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