Monilinema gen. nov., a homocytous genus (Cyanobacteria, Leptolyngbyaceae) from saline-alkaline lakes of Pantanal wetlands, Brazil

© 2020 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 57(2021), 2 vom: 19. Apr., Seite 473-483
1. Verfasser: Malone, Camila Francieli da Silva (VerfasserIn)
Weitere Verfasser: Genuário, Diego Bonaldo, Vaz, Marcelo Gomes Marçal Vieira, Fiore, Marli Fátima, Sant'Anna, Célia Leite
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Leptolyngbya Plectolyngbya 16S rRNA gene ITS secondary structures moliniform DNA, Bacterial DNA, Ribosomal Spacer RNA, Ribosomal, 16S
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245 1 0 |a Monilinema gen. nov., a homocytous genus (Cyanobacteria, Leptolyngbyaceae) from saline-alkaline lakes of Pantanal wetlands, Brazil 
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500 |a Citation Status MEDLINE 
520 |a © 2020 Phycological Society of America. 
520 |a Cyanobacteria morphotypes with simple morphology, mainly thin filamentous homocytous strains, comprise a taxonomically complex group and represent a challenge in systematic studies. However, the polyphasic approach applied nowadays to investigate the cyanobacterial diversity has emerged as a powerful tool to undercover cryptic taxa and to set up a more natural classification system. Yet, studies exploring the cultured diversity of cyanobacteria from extreme tropical environments have paved the way to the discovery of new cyanobacteria taxa, enabling the description of Pantanalinema, Alkalinema, and Cephalothrix as novel genera from saline-alkaline lakes in Pantanal wetlands (Brazil). The present study investigated a set of cyanobacterial strains resembling Leptolyngbya morphotypes by means of its morphology, 16S ribosomal RNA (16S rRNA) phylogeny, and ITS secondary structures. Based on the shape and structure of their trichomes, the low levels of 16S rRNA identity coupled with the distinct phylogenetic position with regard to well establish genera, and their divergent ecological feature, these strains must be accommodated into a novel genus, named as Monilinema gen. nov., described under the provisions of the International Code of Nomenclature for algae, fungi, and plants. Accordingly, based on the singularity of the D1-D1' and V3 helixes, these strains should be considered as a single species, Monilinema alkalinum 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Leptolyngbya 
650 4 |a Plectolyngbya 
650 4 |a 16S rRNA gene 
650 4 |a ITS secondary structures 
650 4 |a moliniform 
650 7 |a DNA, Bacterial  |2 NLM 
650 7 |a DNA, Ribosomal Spacer  |2 NLM 
650 7 |a RNA, Ribosomal, 16S  |2 NLM 
700 1 |a Genuário, Diego Bonaldo  |e verfasserin  |4 aut 
700 1 |a Vaz, Marcelo Gomes Marçal Vieira  |e verfasserin  |4 aut 
700 1 |a Fiore, Marli Fátima  |e verfasserin  |4 aut 
700 1 |a Sant'Anna, Célia Leite  |e verfasserin  |4 aut 
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773 1 8 |g volume:57  |g year:2021  |g number:2  |g day:19  |g month:04  |g pages:473-483 
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