Genetic Diversity of Cylindrospermopsis Strains (Cyanobacteria) Isolated from Four Continents†

AUTOR(ES)

Gugger, Muriel

FONTE

American Society for Microbiology

RESUMO

The genetic diversity of Cylindrospermopsis strains (cyanobacteria) was examined using mainly the 16S-23S internally transcribed spacer (ITS1) sequences. Strains were grouped in three clusters: (i) America, (ii) Europe, and (iii) Africa and Australia. These results suggested a recent spread of Cylindrospermopsis across the American and European continents from restricted warm refuge areas instead of exchanges between continents. On the other hand, they also suggested a recent colonization of Australia by African strains.

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