Pathogenicity and Virulence of Legionella: Intracellular replication and host response

D Chauhan, SR Shames - Virulence, 2021 - Taylor & Francis
Bacteria of the genus Legionella are natural pathogens of amoebae that can cause a severe
pneumonia in humans called Legionnaires' Disease. Human disease results from inhalation …

The Legionella pneumophila Dot/Icm type IV secretion system and its effectors

DC Lockwood, H Amin, TRD Costa… - …, 2022 - microbiologyresearch.org
To prevail in the interaction with eukaryotic hosts, many bacterial pathogens use protein
secretion systems to release virulence factors at the host–pathogen interface and/or deliver …

A Legionella toxin exhibits tRNA mimicry and glycosyl transferase activity to target the translation machinery and trigger a ribotoxic stress response

A Subramanian, L Wang, T Moss, M Voorhies… - Nature Cell …, 2023 - nature.com
A widespread strategy employed by pathogens to establish infection is to inhibit host-cell
protein synthesis. Legionella pneumophila, an intracellular bacterial pathogen and the …

Eat or Be Eaten: Strategies Used by Legionella to Acquire Host-Derived Nutrients and Evade Lysosomal Degradation

SR Shames - Infection and immunity, 2023 - Am Soc Microbiol
To replicate within host cells, bacterial pathogens must acquire host-derived nutrients while
avoiding degradative antimicrobial pathways. Fundamental insights into bacterial …

Global atlas of predicted functional domains in Legionella pneumophila Dot/Icm translocated effectors

DT Patel, PJ Stogios, L Jaroszewski… - Molecular Systems …, 2025 - embopress.org
Legionella pneumophila utilizes the Dot/Icm type IVB secretion system to deliver hundreds
of effector proteins inside eukaryotic cells to ensure intracellular replication. Our …

An acetyltransferase effector conserved across Legionella species targets the eukaryotic eIF3 complex to modulate protein translation

L Syriste, DT Patel, PJ Stogios, T Skarina, D Patel… - Mbio, 2024 - Am Soc Microbiol
The survival of Legionella spp. as intracellular pathogens relies on the combined action of
protein effectors delivered inside their eukaryotic hosts by the Dot/Icm (d efective in o …

A comprehensive two-hybrid analysis to explore the Legionella pneumophila effector–effector interactome

HOC Mount, ML Urbanus, D Sheykhkarimli, AG Coté… - …, 2024 - journals.asm.org
Legionella pneumophila uses over 300 translocated effector proteins to rewire host cells
during infection and create a replicative niche for intracellular growth. To date, several …

Affecting the Effectors: Regulation of Legionella pneumophila Effector Function by Metaeffectors

AM Joseph, SR Shames - Pathogens, 2021 - mdpi.com
Many bacterial pathogens utilize translocated virulence factors called effectors to
successfully infect their host. Within the host cell, effector proteins facilitate pathogen …

Hijacking host ribosomes via tRNA mimicry

S Uematsu, SB Qian - Nature Cell Biology, 2023 - nature.com
The bacterial pathogen Legionella pneumophila uses effectors—toxins—to facilitate
pathogenesis within host cells. A recent study identifies dual mechanisms of the effector SidI …

Targeting Eukaryotic mRNA Translation by Legionella pneumophila

Y Belyi - Frontiers in molecular biosciences, 2020 - frontiersin.org
Legionella is a gram-negative microorganism and an infectious agent of pneumonia in
humans. It is an intracellular pathogen and multiplies in different eukaryotic cells like …