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Type: Article
Published: 2015-08-26
Page range: 72–84
Abstract views: 18
PDF downloaded: 1

Scytolyngbya timoleontis, gen. et sp. nov. (Leptolyngbyaceae, Cyanobacteria): a novel false branching Cyanobacteria from China

Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan,430072, P. R. China Graduate University of Chinese Academy of Sciences, Beijing,100049, P. R. China
Shenzhen Key Laboratory for Marine Bio-resource and Eco-environment, College of Life Sciences, Shenzhen University, Shenzhen 518060, P.R. China
Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan,430072, P. R. China
Cyanobacteria Leptolyngbya New genus Polyphasic Scytolyngbya Scytolyngbya timoleontis Algae China

Abstract

A novel genus within Leptolyngbyaceae related to Leptolyngbya morphotypes, Scytolyngbya, gen. nov., is described based on a polyphasic approach in the present study. From a freshwater sample with filaments of oscillatorean cyanobacteria from a well in Hubei Province, China, Scytolyngbya (type species: Scytolyngbya timoleontis, sp. nov.) was found to possess richly and repeatedly false branches and thick sheaths, which distinguishs this genus from Leptolyngbya sensu stricto. Phylogenetic analysis based on 16S rRNA sequences showed that this species was clustered into the Leptolyngbyaceae and separated from the type species Leptolyngbya boryana. The secondary structures of 16S-23S rRNA intergenic spacer of Scytolyngbya timoleontis did not correspond to any previously described species in cyanobacteria.