Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data

Abstract Tetrahymenosis, caused by about 10 Tetrahymena species, is an emerging problem inflicting a significant economic loss on the aquaculture industry worldwide. However, in the order Tetrahymenida, there are many unresolved evolutionary relationships among taxa. Here we report 21 new sequences,...

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Main Authors: Lihui Liu, Mingyue Jiang, Chunyu Zhou, Bailin Li, Yumeng Song, Xuming Pan
Format: Article
Language:English
Published: Wiley 2023-09-01
Series:Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1002/ece3.10504
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author Lihui Liu
Mingyue Jiang
Chunyu Zhou
Bailin Li
Yumeng Song
Xuming Pan
author_facet Lihui Liu
Mingyue Jiang
Chunyu Zhou
Bailin Li
Yumeng Song
Xuming Pan
author_sort Lihui Liu
collection DOAJ
description Abstract Tetrahymenosis, caused by about 10 Tetrahymena species, is an emerging problem inflicting a significant economic loss on the aquaculture industry worldwide. However, in the order Tetrahymenida, there are many unresolved evolutionary relationships among taxa. Here we report 21 new sequences, including SSU‐rRNA, ITS1‐5.8S‐ITS2 rRNA and LSU‐rRNA, genes of 10 facultative parasitic Tetrahymena associated with tetrahymenosis, and conduct phylogenetic analyses based on each individual gene and a three‐gene concatenated dataset. The main findings are: (1) All the parasitic and facultative parasitic species cluster in borealis group. (2) With the addition of new sequences, Tetrahymena is still divided into three groups, namely the “borealis group”, the “australis group,” and the “paravorax group.” (3) the cluster pattern of all the newly sequenced facultative parasitic Tetrahymena species shows that members of the “borealis” group may be more susceptible to parasitism. (4) phylogeny based on concatenated genes show that T. pyriformis, T. setosa, and T. leucophrys have close relationship.
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spelling doaj.art-40e7adc90d414818a17fa569d1c674a42023-11-21T07:26:25ZengWileyEcology and Evolution2045-77582023-09-01139n/an/a10.1002/ece3.10504Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene dataLihui Liu0Mingyue Jiang1Chunyu Zhou2Bailin Li3Yumeng Song4Xuming Pan5Key Laboratory of Biodiversity of Aquatic Organisms Harbin Normal University Harbin ChinaKey Laboratory of Biodiversity of Aquatic Organisms Harbin Normal University Harbin ChinaKey Laboratory of Biodiversity of Aquatic Organisms Harbin Normal University Harbin ChinaKey Laboratory of Biodiversity of Aquatic Organisms Harbin Normal University Harbin ChinaKey Laboratory of Biodiversity of Aquatic Organisms Harbin Normal University Harbin ChinaKey Laboratory of Biodiversity of Aquatic Organisms Harbin Normal University Harbin ChinaAbstract Tetrahymenosis, caused by about 10 Tetrahymena species, is an emerging problem inflicting a significant economic loss on the aquaculture industry worldwide. However, in the order Tetrahymenida, there are many unresolved evolutionary relationships among taxa. Here we report 21 new sequences, including SSU‐rRNA, ITS1‐5.8S‐ITS2 rRNA and LSU‐rRNA, genes of 10 facultative parasitic Tetrahymena associated with tetrahymenosis, and conduct phylogenetic analyses based on each individual gene and a three‐gene concatenated dataset. The main findings are: (1) All the parasitic and facultative parasitic species cluster in borealis group. (2) With the addition of new sequences, Tetrahymena is still divided into three groups, namely the “borealis group”, the “australis group,” and the “paravorax group.” (3) the cluster pattern of all the newly sequenced facultative parasitic Tetrahymena species shows that members of the “borealis” group may be more susceptible to parasitism. (4) phylogeny based on concatenated genes show that T. pyriformis, T. setosa, and T. leucophrys have close relationship.https://doi.org/10.1002/ece3.10504ciliatesITS1‐5.8S‐ITS2 rRNA geneLSU‐rRNA genephylogenySSU‐rRNA geneTetrahymenida
spellingShingle Lihui Liu
Mingyue Jiang
Chunyu Zhou
Bailin Li
Yumeng Song
Xuming Pan
Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data
Ecology and Evolution
ciliates
ITS1‐5.8S‐ITS2 rRNA gene
LSU‐rRNA gene
phylogeny
SSU‐rRNA gene
Tetrahymenida
title Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data
title_full Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data
title_fullStr Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data
title_full_unstemmed Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data
title_short Further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis (Ciliophora, Oligohymenophorea) based on multigene data
title_sort further insights into the phylogeny of facultative parasitic ciliates associated with tetrahymenosis ciliophora oligohymenophorea based on multigene data
topic ciliates
ITS1‐5.8S‐ITS2 rRNA gene
LSU‐rRNA gene
phylogeny
SSU‐rRNA gene
Tetrahymenida
url https://doi.org/10.1002/ece3.10504
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