Regulation of virulence in Chromobacterium violaceum and strategies to combat it

M Venkatramanan, E Nalini - Frontiers in Microbiology, 2024 - frontiersin.org
Chromobacterium is a rod-shaped, Gram-negative, facultatively anaerobic bacteria with a
cosmopolitan distribution. Just about 160 Chromobacterium violaceum incidents have been …

Non-canonical inflammasome pathway: The role of cell death and inflammation in Ehrlichiosis

AK Sharma, N Ismail - Cells, 2023 - mdpi.com
Activating inflammatory caspases and releasing pro-inflammatory mediators are two
essential functions of inflammasomes which are triggered in response to pathogen …

A family of conserved bacterial virulence factors dampens interferon responses by blocking calcium signaling

N Alphonse, JJ Wanford, AA Voak, J Gay, S Venkhaya… - Cell, 2022 - cell.com
Interferons (IFNs) induce an antimicrobial state, protecting tissues from infection. Many
viruses inhibit IFN signaling, but whether bacterial pathogens evade IFN responses remains …

Structural mechanisms of calmodulin activation of Shigella effector OspC3 to ADP-riboxanate caspase-4/11 and block pyroptosis

Y Hou, H Zeng, Z Li, N Feng, F Meng, Y Xu… - Nature Structural & …, 2023 - nature.com
Abstract The caspase-4/11-GSDMD pyroptosis axis recognizes cytosolic lipopolysaccharide
for antibacterial defenses. Shigella flexneri employs an OspC3 effector to block pyroptosis …

An innate granuloma eradicates an environmental pathogen using Gsdmd and Nos2

CK Harvest, TJ Abele, C Yu, CJ Beatty… - Nature …, 2023 - nature.com
Granulomas often form around pathogens that cause chronic infections. Here, we discover
an innate granuloma model in mice with an environmental bacterium called …

[HTML][HTML] Ca2+-calmodulin signalling at the host-pathogen interface

JJ Wanford, C Odendall - Current Opinion in Microbiology, 2023 - Elsevier
Multiple eukaryotic cell processes are modulated by calcium ions (Ca 2+). As such, Ca 2+ is
emerging as a crucial regulator of innate immunity in multicellular organisms. In particular …

Pyroptosis modulation by bacterial effector proteins

Q Chai, Z Lei, CH Liu - Seminars in Immunology, 2023 - Elsevier
Pyroptosis is a proinflammatory form of programmed cell death featured with membrane
pore formation that causes cellular swelling and allows the release of intracellular …

Phosphorylation of caspases by a bacterial kinase inhibits host programmed cell death

J Ge, Y Wang, X Li, Q Lu, H Yu, H Liu, K Ma… - Nature …, 2024 - nature.com
The intracellular bacterial pathogen Legionella pneumophila utilizes the Dot/Icm system to
translocate over 330 effectors into the host cytosol. These virulence factors modify a variety …

[HTML][HTML] Mechanism of the Mongolian medicine Eerdun Wurile basic formula in improving postoperative cognitive dysfunction by inhibiting apoptosis through the …

Y Li, Y Qiao, H Li, Z Wang, E Su, Y Du, L Che - Journal of …, 2023 - Elsevier
Abstract Ethnopharmacological relevance The Mongolian medicine Eerdun Wurile is a
commonly used Mongolian in folk medicine used to treat cerebral nervous system diseases …

Pathogen effectors hijack calcium signaling to promote virulence

JP Galaud, S Genin, D Aldon - Trends in Plant Science, 2024 - cell.com
Calcium signaling is a cornerstone of plant defense responses. In this opinion article we
explore how pathogens exploit this pathway by targeting calcium sensors such as …