Symbiont-Induced Phagosome Changes Rather than Extracellular Discrimination Contribute to the Formation of Social Amoeba Farming Symbiosis

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Efficient inactivation of intracellular bacteria in dormant amoeba spores by FeP

Zhenzhen He et al.

Summary: The study developed a novel FeP/persulfate (PS) system to effectively inactivate intracellular bacteria within amoeba spores, providing a new direction to overcome the protective effects of microbial interactions.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Review Engineering, Environmental

Interactions between soil protists and pollutants: An unsolved puzzle

Chenyuan Wu et al.

Summary: Soil protists play crucial functional roles in terrestrial ecosystems, but their interaction with soil pollutants remains poorly understood. This review provides an overview of the current understanding of these interactions and identifies five research gaps. A better understanding of soil pollutant-protist interactions will contribute to the bioremediation and environmental applications of protists in soil.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Multidisciplinary Sciences

Anaerobic endosymbiont generates energy for ciliate host by denitrification

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Summary: Mitochondria are specialized organelles in eukaryotic cells that evolved from a free-living bacterial ancestor through endosymbiosis about 2 billion years ago. They have adapted to different habitats and some eukaryotes with reduced mitochondria obtain energy through fermentation.

NATURE (2021)

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Article Microbiology

An Indispensable Role for the MavE Effector of Legionella pneumophila in Lysosomal Evasion

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MBIO (2021)

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A dormant amoeba species can selectively sense and predate on different soil bacteria

Longfei Shu et al.

Summary: Soil protists, the invisible majority of soil eukaryotes, play key roles in microbial food webs by predating on other soil microbes. In this study, the soil amoeba Dictyostelium discoideum was used to investigate selective discrimination and predation of different bacteria. The findings suggest that dormant D. discoideum can selectively sense and predate on different soil bacteria, likely mediated through active amoeba preference and bacterial inhibition.

FUNCTIONAL ECOLOGY (2021)

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Review Biochemistry & Molecular Biology

Bacterial and archaeal symbioses with protists

Filip Husnik et al.

Summary: The genetic, cellular, and biochemical diversity of life is largely found within single-celled organisms such as prokaryotes and microbial eukaryotes. Close interactions between protists and prokaryotes, dating back at least two billion years, play a significant role in ecology. The study of diverse protist symbioses is shedding light on the broader impact of these systems on symbiosis theory.

CURRENT BIOLOGY (2021)

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Article Engineering, Environmental

Transport and Retention of Free-Living Amoeba Spores in Porous Media: Effects of Operational Parameters and Extracellular Polymeric Substances

Chao Jin et al.

Summary: This study investigates the transport and retention behavior of amoeba spores in porous media, revealing the key factors affecting spore deposition and providing important evidence for the presence of amoeba in tap water. Additionally, it is one of the first studies to examine the mechanisms affecting the fate of amoeba spores in porous media, offering a significant baseline for future research to minimize the safety risk posed by amoeba in drinking water systems.

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Article Engineering, Environmental

Both viable and inactivated amoeba spores protect their intracellular bacteria from drinking water disinfection

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Article Multidisciplinary Sciences

A microbial eukaryote with a unique combination of purple bacteria and green algae as endosymbionts

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Review Biotechnology & Applied Microbiology

The Ecology and Evolution of Amoeba-Bacterium Interactions

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Article Multidisciplinary Sciences

Endosymbiotic adaptations in three new bacterial species associated with Dictyostelium discoideum: Paraburkholderia agricolaris sp. nov., Paraburkholderia hayleyella sp. nov., and Paraburkholderia bonniea sp. nov

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Loss and resiliency of social amoeba symbiosis under simulated warming

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The specificity of Burkholderia symbionts in the social amoeba farming symbiosis: Prevalence, species, genetic and phenotypic diversity

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NanoSIMS and tissue autoradiography reveal symbiont carbon fixation and organic carbon transfer to giant ciliate host

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ISME JOURNAL (2018)

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Burkholderia bacteria use chemotaxis to find social amoeba Dictyostelium discoideum hosts

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Insights into the metabolic functioning of a multipartner ciliate symbiosis from oxygen-depleted sediments

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Symbiont switching and alternative resource acquisition strategies drive mutualism breakdown

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Symbiont location, host fitness, and possible coadaptation in a symbiosis between social amoebae and bacteria

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Symbiont-Induced Phagosome Changes Rather than Extracellular Discrimination Contribute to the Formation of Social Amoeba Farming Symbiosis

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