Results 11 to 20 of about 6,974,231 (359)

Protein secretion and secreted proteins in pathogenicNeisseriaceae [PDF]

open access: yesFEMS Microbiology Reviews, 2006
Secreted proteins of pathogenic bacteria are often essential virulence factors. They are involved, for example, in the adherence of the bacteria to host cells or required to suppress the host's defence mechanisms. Until recently, only IgA1 protease had been studied in detail in the NeisseriaceaeNeisseria meningitidis and Neisseria gonorrhoeae.
van Ulsen, J.P., Tommassen, J.P.M.
openaire   +3 more sources

Regulated Secretion: Helper proteins for neuroendocrine secretion [PDF]

open access: yesCurrent Biology, 1995
The granins, known to be general constituents of neuroendocrine secretory granules, are regulators of the proteolytic processing of peptide precursors and promote their aggregation-mediated sorting into secretory granules.
Huttner, Wieland B., Natori, Shoichi
openaire   +2 more sources

FAK activity in cancer‐associated fibroblasts is a prognostic marker and a druggable key metastatic player in pancreatic cancer

open access: yesEMBO Molecular Medicine, 2020
Cancer‐associated fibroblasts (CAFs) are considered the most abundant type of stromal cells in pancreatic ductal adenocarcinoma (PDAC), playing a critical role in tumour progression and chemoresistance; however, a druggable target on CAFs has not yet ...
Sonia Zaghdoudi   +20 more
doaj   +1 more source

Post-Transcriptional Control of mRNA Metabolism and Protein Secretion: The Third Level of Regulation within the NF-κB System

open access: yesBiomedicines, 2022
The NF-κB system is a key transcriptional pathway that regulates innate and adaptive immunity because it triggers the activation and differentiation processes of lymphocytes and myeloid cells during immune responses.
Jasmin Priester   +3 more
doaj   +1 more source

A holin/peptidoglycan hydrolase‐dependent protein secretion system

open access: yesMolecular Microbiology, 2020
Gram‐negative bacteria have evolved numerous pathways to secrete proteins across their complex cell envelopes. Here, we describe a protein secretion system that uses a holin membrane protein in tandem with a cell wall‐editing enzyme to mediate the ...
T. Palmer   +4 more
semanticscholar   +1 more source

Structures of the Type IX Secretion/Gliding Motility Motor from across the Phylum Bacteroidetes

open access: yesmBio, 2022
Gliding motility using cell surface adhesins, and export of proteins by the type IX secretion system (T9SS) are two phylum-specific features of the Bacteroidetes.
Rory Hennell James   +4 more
doaj   +1 more source

Engineered Type Six Secretion Systems Deliver Active Exogenous Effectors and Cre Recombinase

open access: yesmBio, 2021
Genetic editing has revolutionized biotechnology, but delivery of endonuclease genes as DNA can lead to aberrant integration or overexpression, leading to off-target effects.
Steven J. Hersch, Linh Lam, Tao G. Dong
doaj   +1 more source

Shut-Down of Type IX Protein Secretion Alters the Host Immune Response to Tannerella forsythia and Porphyromonas gingivalis

open access: yesFrontiers in Cellular and Infection Microbiology, 2022
Tannerella forsythia and Porphyromonas gingivalis target distinct virulence factors bearing a structurally conserved C-terminal domain (CTD) to the type IX protein secretion system (T9SS).
Matthias L. Braun   +7 more
doaj   +1 more source

Preproteins couple the intrinsic dynamics of SecA to its ATPase cycle to translocate via a catch and release mechanism

open access: yesCell Reports, 2022
Summary: Protein machines undergo conformational motions to interact with and manipulate polymeric substrates. The Sec translocase promiscuously recognizes, becomes activated, and secretes >500 non-folded preprotein clients across bacterial cytoplasmic ...
Srinath Krishnamurthy   +10 more
doaj   +1 more source

The Plasma Membrane: A Platform for Intra- and Intercellular Redox Signaling

open access: yesAntioxidants, 2018
Membranes are of outmost importance to allow for specific signal transduction due to their ability to localize, amplify, and direct signals. However, due to the double-edged nature of reactive oxygen species (ROS)—toxic at high concentrations but ...
Daniela E. Nordzieke   +1 more
doaj   +1 more source

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