Thomas Posch

Work

Limnological Station, Institute of Plant and Microbial Biology, University of Zurich

Professor for Limnology

Switzerland

Jan 2006

→

Present

Education

University of Innsbruck

Austria

Jan 2006

→

Present

Publications

Environment-dependent mutualism–parasitism transitions in the incipient symbiosis between Tetrahymena utriculariae and Micractinium tetrahymenae

Jan 2025

Published by

The ISME Journal

Summary

journal-article

An early evolutionary stage of mutualistic endosymbiosis reveals a parasitic aspect of endosymbionts

Jan 2025

Summary

preprint

The planktonic freshwater ciliate Balanion planctonicum (Ciliophora, Prostomatea): A cryptic species complex or a “complex species”?

Jan 2025

Published by

Journal of Eukaryotic Microbiology

Summary

journal-article

Variability of winter cooling affects intensity of phytoplankton spring blooms – how resilient is the ciliate assemblage composition to changes in food availability?

Jan 2024

Published by

Frontiers in Protistology

Summary

journal-article

FISHing for ciliates: Catalyzed reporter deposition fluorescence in situ hybridization for the detection of planktonic freshwater ciliates

Jan 2022

Published by

Frontiers in Microbiology

Summary

journal-article

Protists: Ciliates

Jan 2022

Published by

Encyclopedia of Inland Waters

Summary

book-chapter

Aquatic food webs in deep temperate lakes: Key species establish through their autecological versatility

Jan 2021

Published by

Molecular Ecology

Summary

journal-article

Lake Ecosystem Robustness and Resilience Inferred from a Climate-Stressed Protistan Plankton Network

Jan 2021

Published by

Microorganisms

Summary

journal-article

The Red Harmful Plague in Times of Climate Change: Blooms of the Cyanobacterium Planktothrix rubescens Triggered by Stratification Dynamics and Irradiance

Jan 2021

Published by

Frontiers in Microbiology

Summary

journal-article

Correction to: Inhibited vertical mixing and seasonal persistence of a thin cyanobacterial layer in a stratified lake

Jan 2021

Published by

Aquatic Sciences

Summary

journal-article

Inhibited vertical mixing and seasonal persistence of a thin cyanobacterial layer in a stratified lake

Jan 2021

Published by

Aquatic Sciences

Summary

journal-article

An integrative approach sheds new light onto the systematics and ecology of the widespread ciliate genus Coleps (Ciliophora, Prostomatea).

Jan 2021

Published by

Scientific reports

Summary

journal-article

Lake Ecosystem Robustness and Resilience Inferred from a Climate-Stressed Protistan Plankton Network

Jan 2021

Published by

Microorganisms

Summary

journal-article

Cascading effects in freshwater microbial food webs by predatory Cercozoa, Katablepharidacea and ciliates feeding on aplastidic bacterivorous cryptophytes.

Jan 2020

Published by

FEMS microbiology ecology

Summary

journal-article

Bacterial and Eukaryotic Small-Subunit Amplicon Data Do Not Provide a Quantitative Picture of Microbial Communities, but They Are Reliable in the Context of Ecological Interpretations

Jan 2020

Published by

mSphere

Summary

journal-article

Seasonality of Planktonic Freshwater Ciliates: Are Analyses Based on V9 Regions of the 18S rRNA Gene Correlated With Morphospecies Counts?

Jan 2019

Published by

Frontiers in microbiology

Summary

journal-article

Microbial food webs in hypertrophic fishponds: Omnivorous ciliate taxa are major protistan bacterivores

Jan 2019

Published by

Limnology and Oceanography

Summary

journal-article

Hunters or farmers? Microbiome characteristics help elucidate the diet composition in an aquatic carnivorous plant.

Jan 2018

Published by

Microbiome

Summary

journal-article

CO2 assimilation strategies in stratified lakes: Diversity and distribution patterns of chemolithoautotrophs.

Jan 2017

Published by

Environmental microbiology

Summary

journal-article

Abrupt stop of deep water turnover with lake warming: Drastic consequences for algal primary producers

Jan 2017

Published by

Scientific Reports

Summary

journal-article

Grazing of Nuclearia thermophila and Nuclearia delicatula (Nucleariidae, Opisthokonta) on the toxic cyanobacterium Planktothrix rubescens.

Jan 2017

Published by

European journal of protistology

Summary

journal-article

Distribution and ecological preferences of the freshwater lineage LimA (genus Limnohabitans) revealed by a new double hybridization approach.

Jan 2017

Published by

Environmental microbiology

Summary

journal-article

Prolongation, deepening and warming of the metalimnion change habitat conditions of the harmful filamentous cyanobacterium Planktothrix rubescens in a prealpine lake

Jan 2016

Published by

Hydrobiologia

Summary

journal-article

The Green Tetrahymena utriculariae n. sp. (Ciliophora, Oligohymenophorea) with Its Endosymbiotic Algae (Micractinium sp.), Living in Traps of a Carnivorous Aquatic Plant.

Jan 2016

Published by

The Journal of eukaryotic microbiology

Summary

journal-article

Ecological Traits of the Algae-Bearing Tetrahymena utriculariae (Ciliophora) from Traps of the Aquatic Carnivorous Plant Utricularia reflexa.

Jan 2016

Published by

The Journal of eukaryotic microbiology

Summary

journal-article

Promiscuous and specific bacterial symbiont acquisition in the amoeboid genus Nuclearia (Opisthokonta).

Jan 2016

Published by

FEMS microbiology ecology

Summary

journal-article

Network of Interactions Between Ciliates and Phytoplankton During Spring.

Jan 2015

Published by

Frontiers in microbiology

Summary

journal-article

Interspecific competition and protistan grazing affect the coexistence of freshwater betaproteobacterial strains.

Jan 2015

Published by

FEMS microbiology ecology

Summary

journal-article

Seasonal patterns of microcystin-producing and non-producing Planktothrix rubescens genotypes in a deep pre-alpine lake

Jan 2015

Published by

Harmful Algae

Summary

journal-article

The ecology of pelagic freshwater methylotrophs assessed by a high-resolution monitoring and isolation campaign.

Jan 2015

Published by

The ISME journal

Summary

journal-article

Ménage-à-trois: the amoeba Nuclearia sp. from Lake Zurich with its ecto- and endosymbiotic bacteria.

Jan 2014

Published by

Protist

Summary

journal-article

Biodegradation of microcystins during gravity-driven membrane (GDM) ultrafiltration.

Jan 2014

Published by

PloS one

Summary

journal-article

Seasonal growth potential of rare lake water bacteria suggest their disproportional contribution to carbon fluxes.

Jan 2014

Published by

Environmental microbiology

Summary

journal-article

Short-term displacement of Planktothrix rubescens (cyanobacteria) in a pre-alpine lake observed using an autonomous sampling platform

Jan 2013

Published by

Limnology and Oceanography

Summary

journal-article

Individual cell based traits obtained by scanning flow-cytometry show selection by biotic and abiotic environmental factors during a phytoplankton spring bloom.

Jan 2013

Published by

PloS one

Summary

journal-article

Activity of metazoa governs biofilm structure formation and enhances permeate flux during Gravity-Driven Membrane (GDM) filtration.

Jan 2013

Published by

Water research

Summary

journal-article

In situ substrate preferences of abundant bacterioplankton populations in a prealpine freshwater lake.

Jan 2012

Published by

The ISME journal

Summary

journal-article

Harmful filamentous cyanobacteria favoured by reduced water turnover with lake warming

Jan 2012

Published by

Nature Climate Change

Summary

journal-article

Suboptimal light conditions negatively affect the heterotrophy of Planktothrix rubescens but are beneficial for accompanying Limnohabitans spp.

Jan 2011

Published by

Environmental microbiology

Summary

journal-article

Vertical and longitudinal distribution patterns of different bacterioplankton populations in a canyon-shaped, deep prealpine lake

Jan 2011

Published by

Limnology and Oceanography

Summary

journal-article

Seasonal bloom dynamics and ecophysiology of the freshwater sister clade of SAR11 bacteria 'that rule the waves' (LD12).

Jan 2011

Published by

The ISME journal

Summary

journal-article

Quantitative dominance of seasonally persistent filamentous cyanobacteria (Planktothrix rubescens ) in the microbial assemblages of a temperate lake

Jan 2011

Published by

Limnology and Oceanography

Summary

journal-article

Rapid successions affect microbial N-acetyl-glucosamine uptake patterns during a lacustrine spring phytoplankton bloom.

Jan 2011

Published by

Environmental microbiology

Summary

journal-article

Spatiotemporal distribution and activity patterns of bacteria from three phylogenetic groups in an oligomesotrophic lake

Jan 2010

Published by

Limnology and Oceanography

Summary

journal-article

New image analysis tool to study biomass and morphotypes of three major bacterioplankton groups in an alpine lake

Jan 2009

Published by

Aquatic Microbial Ecology

Summary

journal-article

Spatio-temporal niche separation of planktonic Betaproteobacteria in an oligo-mesotrophic lake.

Jan 2008

Published by

Environmental microbiology

Summary

journal-article

Modulation of microbial predator-prey dynamics by phosphorus availability: growth patterns and survival strategies of bacterial phylogenetic clades.

Jan 2007

Published by

FEMS microbiology ecology

Summary

journal-article

Biomass reallocation within freshwater bacterioplankton induced by manipulating phosphorus availability and grazing

Jan 2007

Published by

Aquatic Microbial Ecology

Summary

journal-article

Phagotrophic ciliates and flagellates in an oligotrophic, deep, alpine lake: contrasting variability with seasons and depths

Jan 2006

Published by

Aquatic Microbial Ecology

Summary

journal-article

Effects of phosphorus loading on interactions of algae and bacteria: reinvestigation of the phytoplankton-bacteria paradox in a continuous cultivation system

Jan 2005

Published by

Aquatic Microbial Ecology

Summary

journal-article

Succession of bacterial grazing defense mechanisms against protistan predators in an experimental microbial community

Jan 2005

Published by

Aquatic Microbial Ecology

Summary

journal-article

Unexpected effects of prey dimensions and morphologies on the size selective feeding by two bacterivorous flagellates (Ochromonas sp. and Spumella sp.).

Jan 2004

Published by

The Journal of eukaryotic microbiology

Summary

journal-article

An improved protocol for quantification of freshwater Actinobacteria by fluorescence in situ hybridization.

Jan 2003

Published by

Applied and environmental microbiology

Summary

journal-article

Protozooplankton in the deep oligotrophic Traunsee (Austria) influenced by discharges of soda and salt industries

Jan 2002

Published by

Water, Air and Soil Pollution: Focus

Summary

journal-article

Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition.

Jan 2002

Published by

Antonie van Leeuwenhoek

Summary

journal-article

Assessment of the ecological integrity of Traunsee (Austria) via analysis of sediments and benthic microbial communities

Jan 2002

Published by

Water, Air and Soil Pollution: Focus

Summary

journal-article

Dynamics of bacterial abundance, biomass, and community composition in the oligotrophic Traunsee and the Traun river (Austria)

Jan 2002

Published by

Water, Air and Soil Pollution: Focus

Summary

journal-article

Detection of subgroups from flow cytometry measurements of heterotrophic bacterioplankton by image analysis

Jan 2001

Published by

Cytometry

Summary

journal-article

Size Selective Feeding in Cyclidium glaucoma (Ciliophora, Scuticociliatida) and Its Effects on Bacterial Community Structure: A Study from a Continuous Cultivation System

Jan 2001

Published by

Microbial Ecology

Summary

journal-article

Predator-Specific Enrichment of Actinobacteria from a Cosmopolitan Freshwater Clade in Mixed Continuous Culture

Jan 2001

Published by

Applied and Environmental Microbiology

Summary

journal-article

Precision of bacterioplankton biomass determination: a comparison of two fluorescent dyes, and of allometric and linear volume-to-carbon conversion factors

Jan 2001

Published by

Aquatic Microbial Ecology

Summary

journal-article

Comparison of three methods for determining flagellate abundance, cell size, and biovolume in cultures and natural freshwater samples

Jan 2000

Published by

Fundamental and Applied Limnology

Summary

journal-article

Comparison of a direct live count and an improved quantitative protargol stain (QPS) in determining abundance and cell volumes of pelagic freshwater protozoa

Jan 1999

Published by

Aquatic Microbial Ecology

Summary

journal-article

Predator-induced changes of bacterial size-structure and productivity studied on an experimental microbial community

Jan 1999

Published by

Aquatic Microbial Ecology

Summary

journal-article

Morphological and compositional shifts in an experimental bacterial community influenced by protists with contrasting feeding modes

Jan 1997

Published by

Applied and Environmental Microbiology

Summary

journal-article

In situ classification and image cytometry of pelagic bacteria from a high mountain lake (gossenkollesee, austria)

Jan 1997

Published by

Applied and Environmental Microbiology

Summary

journal-article

Cell-specific respiratory activity of aquatic bacteria studied with the tetrazolium reduction method, cyto-clear slides, and image analysis

Jan 1997

Published by

Applied and Environmental Microbiology

Summary

journal-article

Contrasting bacterial strategies to coexist with a flagellate predator in an experimental microbial assemblage

Jan 1997

Published by

Applied and Environmental Microbiology

Summary

journal-article

Uptake of sub-micrometre- and micrometre-sized detrital particles by bacterivorous and omnivorous ciliates

Jan 1996

Published by

Aquatic Microbial Ecology

Summary

journal-article

Thomas Posch

Work

Limnological Station, Institute of Plant and Microbial Biology, University of Zurich

Education

University of Innsbruck

Publications

Environment-dependent mutualism–parasitism transitions in the incipient symbiosis between Tetrahymena utriculariae and Micractinium tetrahymenae

An early evolutionary stage of mutualistic endosymbiosis reveals a parasitic aspect of endosymbionts

The planktonic freshwater ciliate Balanion planctonicum (Ciliophora, Prostomatea): A cryptic species complex or a “complex species”?

Variability of winter cooling affects intensity of phytoplankton spring blooms – how resilient is the ciliate assemblage composition to changes in food availability?

FISHing for ciliates: Catalyzed reporter deposition fluorescence in situ hybridization for the detection of planktonic freshwater ciliates

Protists: Ciliates

Aquatic food webs in deep temperate lakes: Key species establish through their autecological versatility

Lake Ecosystem Robustness and Resilience Inferred from a Climate-Stressed Protistan Plankton Network

The Red Harmful Plague in Times of Climate Change: Blooms of the Cyanobacterium Planktothrix rubescens Triggered by Stratification Dynamics and Irradiance

Correction to: Inhibited vertical mixing and seasonal persistence of a thin cyanobacterial layer in a stratified lake

Inhibited vertical mixing and seasonal persistence of a thin cyanobacterial layer in a stratified lake

An integrative approach sheds new light onto the systematics and ecology of the widespread ciliate genus Coleps (Ciliophora, Prostomatea).

Lake Ecosystem Robustness and Resilience Inferred from a Climate-Stressed Protistan Plankton Network

Cascading effects in freshwater microbial food webs by predatory Cercozoa, Katablepharidacea and ciliates feeding on aplastidic bacterivorous cryptophytes.

Bacterial and Eukaryotic Small-Subunit Amplicon Data Do Not Provide a Quantitative Picture of Microbial Communities, but They Are Reliable in the Context of Ecological Interpretations

Seasonality of Planktonic Freshwater Ciliates: Are Analyses Based on V9 Regions of the 18S rRNA Gene Correlated With Morphospecies Counts?

Microbial food webs in hypertrophic fishponds: Omnivorous ciliate taxa are major protistan bacterivores

Hunters or farmers? Microbiome characteristics help elucidate the diet composition in an aquatic carnivorous plant.

CO<sub>2</sub> assimilation strategies in stratified lakes: Diversity and distribution patterns of chemolithoautotrophs.

Abrupt stop of deep water turnover with lake warming: Drastic consequences for algal primary producers

Grazing of Nuclearia thermophila and Nuclearia delicatula (Nucleariidae, Opisthokonta) on the toxic cyanobacterium Planktothrix rubescens.

Distribution and ecological preferences of the freshwater lineage LimA (genus Limnohabitans) revealed by a new double hybridization approach.

Prolongation, deepening and warming of the metalimnion change habitat conditions of the harmful filamentous cyanobacterium Planktothrix rubescens in a prealpine lake

The Green Tetrahymena utriculariae n. sp. (Ciliophora, Oligohymenophorea) with Its Endosymbiotic Algae (Micractinium sp.), Living in Traps of a Carnivorous Aquatic Plant.

Ecological Traits of the Algae-Bearing Tetrahymena utriculariae (Ciliophora) from Traps of the Aquatic Carnivorous Plant Utricularia reflexa.

Promiscuous and specific bacterial symbiont acquisition in the amoeboid genus Nuclearia (Opisthokonta).

Network of Interactions Between Ciliates and Phytoplankton During Spring.

Interspecific competition and protistan grazing affect the coexistence of freshwater betaproteobacterial strains.

Seasonal patterns of microcystin-producing and non-producing Planktothrix rubescens genotypes in a deep pre-alpine lake

The ecology of pelagic freshwater methylotrophs assessed by a high-resolution monitoring and isolation campaign.

Ménage-à-trois: the amoeba Nuclearia sp. from Lake Zurich with its ecto- and endosymbiotic bacteria.

Biodegradation of microcystins during gravity-driven membrane (GDM) ultrafiltration.

Seasonal growth potential of rare lake water bacteria suggest their disproportional contribution to carbon fluxes.

Short-term displacement of <i>Planktothrix rubescens</i> (cyanobacteria) in a pre-alpine lake observed using an autonomous sampling platform

Individual cell based traits obtained by scanning flow-cytometry show selection by biotic and abiotic environmental factors during a phytoplankton spring bloom.

Activity of metazoa governs biofilm structure formation and enhances permeate flux during Gravity-Driven Membrane (GDM) filtration.

In situ substrate preferences of abundant bacterioplankton populations in a prealpine freshwater lake.

Harmful filamentous cyanobacteria favoured by reduced water turnover with lake warming

Suboptimal light conditions negatively affect the heterotrophy of Planktothrix rubescens but are beneficial for accompanying Limnohabitans spp.

Vertical and longitudinal distribution patterns of different bacterioplankton populations in a canyon-shaped, deep prealpine lake

Seasonal bloom dynamics and ecophysiology of the freshwater sister clade of SAR11 bacteria 'that rule the waves' (LD12).

Quantitative dominance of seasonally persistent filamentous cyanobacteria (<i>Planktothrix rubescens</i> ) in the microbial assemblages of a temperate lake

Rapid successions affect microbial N-acetyl-glucosamine uptake patterns during a lacustrine spring phytoplankton bloom.

Spatiotemporal distribution and activity patterns of bacteria from three phylogenetic groups in an oligomesotrophic lake

New image analysis tool to study biomass and morphotypes of three major bacterioplankton groups in an alpine lake

Spatio-temporal niche separation of planktonic Betaproteobacteria in an oligo-mesotrophic lake.

Modulation of microbial predator-prey dynamics by phosphorus availability: growth patterns and survival strategies of bacterial phylogenetic clades.

Biomass reallocation within freshwater bacterioplankton induced by manipulating phosphorus availability and grazing

Phagotrophic ciliates and flagellates in an oligotrophic, deep, alpine lake: contrasting variability with seasons and depths

Effects of phosphorus loading on interactions of algae and bacteria: reinvestigation of the phytoplankton-bacteria paradox in a continuous cultivation system

Succession of bacterial grazing defense mechanisms against protistan predators in an experimental microbial community

Unexpected effects of prey dimensions and morphologies on the size selective feeding by two bacterivorous flagellates (Ochromonas sp. and Spumella sp.).

An improved protocol for quantification of freshwater Actinobacteria by fluorescence in situ hybridization.

Protozooplankton in the deep oligotrophic Traunsee (Austria) influenced by discharges of soda and salt industries

Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition.

Assessment of the ecological integrity of Traunsee (Austria) via analysis of sediments and benthic microbial communities

Dynamics of bacterial abundance, biomass, and community composition in the oligotrophic Traunsee and the Traun river (Austria)

Detection of subgroups from flow cytometry measurements of heterotrophic bacterioplankton by image analysis

Size Selective Feeding in Cyclidium glaucoma (Ciliophora, Scuticociliatida) and Its Effects on Bacterial Community Structure: A Study from a Continuous Cultivation System

Predator-Specific Enrichment of Actinobacteria from a Cosmopolitan Freshwater Clade in Mixed Continuous Culture

Precision of bacterioplankton biomass determination: a comparison of two fluorescent dyes, and of allometric and linear volume-to-carbon conversion factors

Comparison of three methods for determining flagellate abundance, cell size, and biovolume in cultures and natural freshwater samples

Comparison of a direct live count and an improved quantitative protargol stain (QPS) in determining abundance and cell volumes of pelagic freshwater protozoa

Predator-induced changes of bacterial size-structure and productivity studied on an experimental microbial community

Morphological and compositional shifts in an experimental bacterial community influenced by protists with contrasting feeding modes

In situ classification and image cytometry of pelagic bacteria from a high mountain lake (gossenkollesee, austria)

Cell-specific respiratory activity of aquatic bacteria studied with the tetrazolium reduction method, cyto-clear slides, and image analysis

Contrasting bacterial strategies to coexist with a flagellate predator in an experimental microbial assemblage

Uptake of sub-micrometre- and micrometre-sized detrital particles by bacterivorous and omnivorous ciliates

Effects of phosphorus loading on interactions of algae and bacteria: reinvestigation of the phytoplankton-bacteria paradox in a continuous cultivation system