Gansulinema gen. nov. and Komarkovaeasiopsis gen. nov. : Novel Oculatellacean genera (Cyanobacteria) isolated from desert soils and hot spring

© 2024 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 60(2024), 2 vom: 01. Apr., Seite 432-446
1. Verfasser: Cai, Fangfang (VerfasserIn)
Weitere Verfasser: Li, Shuheng, Chen, Jiaxin, Li, Renhui
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Gansulinema gen. nov. Komarkovaeasiopsis gen. nov. cyanobacteria polyphasic methods taxonomy RNA, Ribosomal, 16S DNA, Bacterial RNA, Ribosomal, 23S Fatty Acids
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520 |a To increase the understanding of simple thin filamentous cyanobacteria in harsh environmental areas, we previously isolated and identified four strains (XN101, XN102, GS121, NX122) from desert soils and hot spring in China. As a result, two new Oculatellacean genera of these four strains, Gansulinema gen. nov. and Komarkovaeasiopsis gen. nov., are described based on a polyphasic approach. The ultrastructure of these strains showed a similar arrangement of peripheral thylakoids with three to four parallel layers, indicating that they belonged to the orders Nodosilineales, Oculatellales, or Leptolyngbyales. In the 16S rRNA gene phylogeny, two sequences of the Gansulinema strains and the two sequences of the Komarkovaeasiopsis strains formed two independent and robust clusters, within the order Oculatellales. The 16S rRNA gene sequences of strains of Komarkovaeasiopsis and Gansulinema showed low identity to each other (≤93.2%) and to other sequences of the Oculatellacean genera (≤94.5% and ≤93.3%, respectively). Furthermore, the 16S-23S internal transcribed spacer rRNA region secondary structures of strains of Komarkovaeasiopsis and Gansulinema were not consistent with all existing descriptions of Oculatellacean taxa. These data suggest that cyanobacterial communities are rich sources of new taxa in under-exploited areas, such as desert soils and hot spring in China 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Gansulinema gen. nov. 
650 4 |a Komarkovaeasiopsis gen. nov. 
650 4 |a cyanobacteria 
650 4 |a polyphasic methods 
650 4 |a taxonomy 
650 7 |a RNA, Ribosomal, 16S  |2 NLM 
650 7 |a DNA, Bacterial  |2 NLM 
650 7 |a RNA, Ribosomal, 23S  |2 NLM 
650 7 |a Fatty Acids  |2 NLM 
700 1 |a Li, Shuheng  |e verfasserin  |4 aut 
700 1 |a Chen, Jiaxin  |e verfasserin  |4 aut 
700 1 |a Li, Renhui  |e verfasserin  |4 aut 
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