Fottea 2017, 17(2):269-276 | DOI: 10.5507/fot.2017.017

A new cyanobacterium from the Everglades, Florida - Chamaethrix gen. nov.

Petr Dvořák*1, Petr Hašler1, Petra Pitelková2, Petra Tabáková1, Dale A. Casamatta3, Aloisie Poulíčková1
1 Department of Botany, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic; *Corresponding author e-mail: p.dvorak@upol.cz
2 Department of Biology, Faculty of Science, University of Hradec Králové, Hradec Králové, Czech Republic
3 Department of Biology, University of North Florida, 1 UNF Drive, Jacksonville, Florida, FL 32224, USA

Cyanobacteria are cosmopolitan group of phototrophic microbes with significant contributions to global primary production. However, their biodiversity, especially in tropical areas, is still largely unexplored. In this paper, we used a combination of molecular and morphological data to characterize a filamentous cyanobacterium isolated from a soil crust in the Everglades National Park in Florida. It is morphologically similar to the ubiquitous, polyphyletic Leptolyngbya, but phylogenetic analysis of the 16S rRNA gene and secondary structures of the 16S-23S ITS region revealed that our isolates form a monophyletic clade unrelated to Leptolyngbya sensu stricto. Apart from its phylogenetic position, we found that the strain possesses a unique combination of morphological and molecular characters, which have not been found in any other Leptolyngbya species. Due to these characteristics, together with its subtropical origin, we erect new monospecific genus Chamaethrix.

Keywords: Leptolygbya, new genus, phylogeny, soil crust, subtropical region, taxonomy

Received: January 6, 2017; Accepted: July 13, 2017; Prepublished online: August 23, 2017; Published: September 20, 2017  Show citation

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Dvořák, P., Hašler, P., Pitelková, P., Tabáková, P., Casamatta, D.A., & Poulíčková, A. (2017). A new cyanobacterium from the Everglades, Florida - Chamaethrix gen. nov. Fottea, 17(2), 269-276. doi: 10.5507/fot.2017.017
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