Taxonomy and Molecular Phylogeny of Two New Species of Prostomatean Ciliates With Establishment of Foissnerophrys gen. n. (Alveolata, Ciliophora)

Frontiers in Microbiology

Alan Warren²  Hamed A. El-Serehy³  Saleh A. Al-Farraj³  Limin Jiang⁴  Wenbao Zhuang⁴  Xiaozhong Hu⁴ 

[1] College of Fisheries and Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, China;Department of Life Sciences, Natural History Museum, London, United Kingdom;Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia;Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, China;

关键词: biodiversity;    ciliated protozoa;    intracellular prokaryote;    molecular systematics;    new taxa;    SSU rRNA gene;   

DOI  :  10.3389/fmicb.2021.686929

来源: DOAJ

【 摘 要 】

Prostomatean ciliates play important roles in the flow of material and energy in aquatic microbial food webs, and thus have attracted wide attention for over a century. Their taxonomy and systematics are, however, still poorly understood because of their relatively few taxonomically informative morphological characters. In this study, two new prostomateans, Lagynus binucleatus sp. n. and Foissnerophrys alveolata gen. n., sp. n., collected from a freshwater pool and the intertidal zone of a sandy beach, respectively, in Qingdao, China, are investigated using living observation, protargol staining, and SSU rRNA gene sequencing methods. The genus Lagynus is redefined, and the new species L. binucleatus sp. n. is established based on significant morphological differences with similar forms. Furthermore, a new genus, Foissnerophrys gen. n., is established based on a combination of morphological and molecular data with F. alveaolata sp. n. the type species by monotypy. The identities of intracellular prokaryotes of these two new species are discussed based on fluorescence in situ hybridization (FISH) data and newly obtained 16S rRNA gene sequences.

【 授权许可】

Unknown