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High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem

Ciliates are pivotal components of the marine microbial food web, exerting profound impacts on oceanic biogeochemical cycling. However, the temporal dynamics of ciliate assemblages on a short time scale in the highly fluctuating estuarine ecosystem remain largely unexplored. We studied changes in th...

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Autores principales: Gu, Bowei, Huang, Hungchia, Zhang, Yizhe, Li, Ran, Wang, Lei, Wang, Ying, Sun, Jia, Wang, Jianning, Zhang, Rui, Jiao, Nianzhi, Xu, Dapeng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8858835/
https://www.ncbi.nlm.nih.gov/pubmed/35197950
http://dx.doi.org/10.3389/fmicb.2022.797638
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author Gu, Bowei
Huang, Hungchia
Zhang, Yizhe
Li, Ran
Wang, Lei
Wang, Ying
Sun, Jia
Wang, Jianning
Zhang, Rui
Jiao, Nianzhi
Xu, Dapeng
author_facet Gu, Bowei
Huang, Hungchia
Zhang, Yizhe
Li, Ran
Wang, Lei
Wang, Ying
Sun, Jia
Wang, Jianning
Zhang, Rui
Jiao, Nianzhi
Xu, Dapeng
author_sort Gu, Bowei
collection PubMed
description Ciliates are pivotal components of the marine microbial food web, exerting profound impacts on oceanic biogeochemical cycling. However, the temporal dynamics of ciliate assemblages on a short time scale in the highly fluctuating estuarine ecosystem remain largely unexplored. We studied changes in the ciliate community during a short time frame in the high salinity waters (>26) of a subtropical estuary. Ciliate abundance, biomass, size and oral diameter structure, and community composition fluctuated considerably and irregularly over a few days or even a few hours. Spearman correlations and the generalized linear model revealed that heterotrophic prokaryotes (HPs) and viral abundances drove the dynamics of ciliate abundance and biomass. The structural equation model further identified a major path from the high-fluorescence content virus (HFV) to HPs and then ciliates. Given the substantial correlation between salinity and HPs/HFV, we proposed that the response of HPs and HFV to salinity drives the dynamics of ciliate biomass. Additionally, the Mantel test showed that phytoplankton pigments such as Lutein and Neoxanthin, phosphate, and pigmented picoeukaryotes were key covariates of the ciliate community composition. This study demonstrated the highly changing patterns of ciliate assemblages and identified potential processes regulating ciliate biomass and community composition on short timescales in a subtropical, hydrographically complex estuary.
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spelling pubmed-88588352022-02-22 High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem Gu, Bowei Huang, Hungchia Zhang, Yizhe Li, Ran Wang, Lei Wang, Ying Sun, Jia Wang, Jianning Zhang, Rui Jiao, Nianzhi Xu, Dapeng Front Microbiol Microbiology Ciliates are pivotal components of the marine microbial food web, exerting profound impacts on oceanic biogeochemical cycling. However, the temporal dynamics of ciliate assemblages on a short time scale in the highly fluctuating estuarine ecosystem remain largely unexplored. We studied changes in the ciliate community during a short time frame in the high salinity waters (>26) of a subtropical estuary. Ciliate abundance, biomass, size and oral diameter structure, and community composition fluctuated considerably and irregularly over a few days or even a few hours. Spearman correlations and the generalized linear model revealed that heterotrophic prokaryotes (HPs) and viral abundances drove the dynamics of ciliate abundance and biomass. The structural equation model further identified a major path from the high-fluorescence content virus (HFV) to HPs and then ciliates. Given the substantial correlation between salinity and HPs/HFV, we proposed that the response of HPs and HFV to salinity drives the dynamics of ciliate biomass. Additionally, the Mantel test showed that phytoplankton pigments such as Lutein and Neoxanthin, phosphate, and pigmented picoeukaryotes were key covariates of the ciliate community composition. This study demonstrated the highly changing patterns of ciliate assemblages and identified potential processes regulating ciliate biomass and community composition on short timescales in a subtropical, hydrographically complex estuary. Frontiers Media S.A. 2022-02-07 /pmc/articles/PMC8858835/ /pubmed/35197950 http://dx.doi.org/10.3389/fmicb.2022.797638 Text en Copyright © 2022 Gu, Huang, Zhang, Li, Wang, Wang, Sun, Wang, Zhang, Jiao and Xu. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Microbiology
Gu, Bowei
Huang, Hungchia
Zhang, Yizhe
Li, Ran
Wang, Lei
Wang, Ying
Sun, Jia
Wang, Jianning
Zhang, Rui
Jiao, Nianzhi
Xu, Dapeng
High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem
title High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem
title_full High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem
title_fullStr High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem
title_full_unstemmed High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem
title_short High Dynamics of Ciliate Community Revealed via Short-Term, High-Frequency Sampling in a Subtropical Estuarine Ecosystem
title_sort high dynamics of ciliate community revealed via short-term, high-frequency sampling in a subtropical estuarine ecosystem
topic Microbiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8858835/
https://www.ncbi.nlm.nih.gov/pubmed/35197950
http://dx.doi.org/10.3389/fmicb.2022.797638
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