Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach

Wang, Jie; Zhang, Ting; Guo, Shanshan; Feng, Jun; Wei, Aili; Kociolek, John Patrick; Liu, Qi

doi:10.3390/d17030170

Open AccessArticle

Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach

by

Jie Wang

^1,2

,

Ting Zhang

¹,

Shanshan Guo

¹,

Jun Feng

^1,2

,

Aili Wei

^1,2,*,

John Patrick Kociolek

³

and

Qi Liu

^4,*

¹

College of Biological Science and Technology, Taiyuan Normal University, Jinzhong 030619, China

²

Shanxi Key Laboratory of Earth Surface Processes and Resource Ecology Security in Fenhe River Basin, Taiyuan Normal University, Jinzhong 030619, China

³

Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309, USA

⁴

School of Life Science, Shanxi University, Taiyuan 030006, China

^*

Authors to whom correspondence should be addressed.

Diversity 2025, 17(3), 170; https://doi.org/10.3390/d17030170

Submission received: 30 January 2025 / Revised: 24 February 2025 / Accepted: 24 February 2025 / Published: 27 February 2025

(This article belongs to the Special Issue Studies on Biodiversity and Ecology of Algae in China—2nd Edition)

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Abstract

Oculatellaceae is a family of cyanobacteria with orange spots in the apical cells and has a wide distribution in various living environments. The species of this family are widely distributed but relatively few in number. In order to enrich our knowledge of the species diversity of cyanobacteria in China, and further achieve the monophyletic development of modern cyanobacteria classification systems, we studied two algal strains, designated as SXACC0114 and SXACC0117, isolated from China and subjected to taxonomic studies using a multiphase approach. The colony of the strain SXACC0114 is bright blue-green in color and does not form a biofilm. The trichomes are yellow-green to bright blue-green. For the strain SXACC0117, no false branching is observed. It has wider filaments and more distinct sheaths, and lacks swollen cells. Based on 16S rRNA gene phylogenetic analysis, the results showed that these two algal strains clustered in Albertania and Tildeniella evolutionary branches, respectively, with high bootstrap support. In addition, the secondary structures, which are constructed based on the internal transcription spacer (ITS) of 16S-23S rRNA, exhibit differences, and the algal strain has unique D1-D1ʹ, Box-B, and V3 helix structures. These results support the establishment of two new species, described as Albertania yunnanense sp. nov. and Tildeniella yunnanense sp. nov. The discovery of these new species provides a scientific basis for the development and utilization of algae.

Keywords: Oculatellaceae; cyanobacteria; Albertania; Tildeniella; new species; polyphasic approach; taxonomy

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MDPI and ACS Style

Wang, J.; Zhang, T.; Guo, S.; Feng, J.; Wei, A.; Kociolek, J.P.; Liu, Q. Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach. Diversity 2025, 17, 170. https://doi.org/10.3390/d17030170

AMA Style

Wang J, Zhang T, Guo S, Feng J, Wei A, Kociolek JP, Liu Q. Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach. Diversity. 2025; 17(3):170. https://doi.org/10.3390/d17030170

Chicago/Turabian Style

Wang, Jie, Ting Zhang, Shanshan Guo, Jun Feng, Aili Wei, John Patrick Kociolek, and Qi Liu. 2025. "Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach" Diversity 17, no. 3: 170. https://doi.org/10.3390/d17030170

APA Style

Wang, J., Zhang, T., Guo, S., Feng, J., Wei, A., Kociolek, J. P., & Liu, Q. (2025). Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach. Diversity, 17(3), 170. https://doi.org/10.3390/d17030170

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Novel Species of Oculatellaceae (Oculatellales, Cyanobacteria) from Yunnan in China, Based on the Polyphasic Approach

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