First record of the cyanobacterial genus Wilmottia (Coleofasciculaceae, Oscillatoriales) from the South Orkney Islands (Antarctica)

Radzi, Ranina and Merican, Faradina and Broady, Paul and Convey, Peter and Muangmai, Narongrit and Omar, Wan Maznah Wan and Lavoue, Sebastien (2021) First record of the cyanobacterial genus Wilmottia (Coleofasciculaceae, Oscillatoriales) from the South Orkney Islands (Antarctica). Algae, 36 (2). pp. 111-121. ISSN 1226-2617, DOI https://doi.org/10.4490/algae.2021.36.5.6.

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Abstract

Two cyanobacterial morphotypes isolated from Signy Island, South Orkney Islands, maritime Antarctica were characterised using a polyphasic approach combining morphological, cytological and molecular analyses. These analyses showed that the strains grouped with members of the genus Wilmottia. This genus currently includes three species, W. murrayi, W. stricta, and W. koreana. Both morphotypes analysed in this study were placed within the clade of W. murrayi. This clade showed a well-supported separation from Antarctic and New Zealand strains, as well as strains from other regions. W. murrayi was first described from Antarctica and is now known from several Antarctic regions. Confirmation of the occurrence of W. murrayi at Signy Island significantly extends its known distribution in Antarctica. In addition, a new combination, W. arthurensis, is suggested for Phormidium arthurensis.

Item Type: Article
Funders: YPASM Berth Support, YPASM Fellowship [304/PBIOLOGI/650963], RUI grant [1001/PBIOLOGI/811305], Flagship grant [304/PBIOLOGI/650723/P131], UK Research & Innovation (UKRI) Natural Environment Research Council (NERC)
Uncontrolled Keywords: Antarctic cyanobacteria; Distribution; Polyphasic analysis; Taxonomy; 16S rDNA
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history > QH301 Biology
Depositing User: Ms Zaharah Ramly
Date Deposited: 12 Apr 2022 04:31
Last Modified: 12 Apr 2022 04:31
URI: http://eprints.um.edu.my/id/eprint/28719

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