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MetabolomicsMetabolomic mechanisms of antimicrobial peptides against Helicobacter pylori

Metabolomic mechanisms of antimicrobial peptides against Helicobacter pylori. By establishing treatment and control models combined with untargeted metabolomic analysis, this study aims to reveal the key metabolic pathway alterations and metabolic network reprogramming induced by antimicrobial pe...

2026-02-10 | MTBLS13884 | MetaboLights
MetabolomicsHypusination Orchestrates the Antimicrobial Response of Macrophages
Innate responses of myeloid cells defend against pathogenic bacteria via inducible effectors. Deoxyhypusine synthase (DHPS) catalyzes the transfer of the N-moiety of spermidine to the lysine-50 residue of eukaryotic translation initiation factor 5A (EIF5A) to form the amino acid hypusine. Hypusinate...
2021-04-06 | MTBLS607 | MetaboLights
MetabolomicsStress-related mitogen-activated protein kinases stimulate the accumulation of small molecules and proteins in Arabidopsis thaliana root exudates
A delicate balance in cellular signaling is required for plants to distinguish mutualist from parasitic organisms in its environment. Mitogen-activated protein kinase (MAPK) cascades are one of the signaling modules that mediate transduction of extracellular microbial signals into appropriate cellul...
2017-08-25 | MTBLS441 | MetaboLights
MetabolomicsMetabolomic and Proteomic Profiling of the Antimicrobial Potentials from Lactobacillus johnsonii KD1 Cell-Free Supernatant against Foodborne Pathogenic Bacteria

This study characterized functions and metabolic profiles of cell-free supernatants (CFS) from Lactobacillus johnsonii KD1 against three foodborne pathogens: the Gram-negative bacteria Vibrio parahaemolyticus 3HP and Salmonella enterica serovar ...

2026-09-24 | MTBLS14550 | MetaboLights
TranscriptomicsThe antimicrobial peptide-sensing system aps of Staphylococcus aureus
Staphylococcus aureus is a leading cause of hospital-associated infections. In addition, highly virulent strains of methicillin-resistant S. aureus (MRSA) are currently spreading outside health care settings. Survival in the human host is largely defined by the ability of S. aureus to resist mechani...
ORGANISM(S): Staphylococcus aureus 
2008-04-06 | E-GEOD-8400 | biostudies-arrayexpress
TranscriptomicsA Gram-positive three-component antimicrobial peptide-sensing system
To survive during colonization or infection of the human body, microorganisms must defeat antimicrobial peptides, which represent a key component of innate host defense in phagocytes and on epithelia. However, is not known how the clinically important group of Gram-positive bacteria sense antimicrob...
ORGANISM(S): Staphylococcus epidermidis 
2010-05-26 | E-GEOD-7163 | biostudies-arrayexpress
ProteomicsAntimicrobial peptides of the apidaecin family inhibit the bacterial ribosome by multimodal mechanisms involving three different sites on the large ribosomal subunit
Proline-rich antimicrobial peptides (PrAMPs) inhibit bacterial ribosomes by binding to the polypeptide exit tunnel (PET) near the peptidyl transferase center. Api137, an optimized derivative of honeybee apidaecin, traps the release factor (RF) at the ribosome, thereby arresting the ribosomes at stop...
ORGANISM(S): Escherichia Coli 
PXD044892 | panorama
ProteomicsDiversity of cationic antimicrobial peptides in black cumin (Nigella sativa L.) seeds
Black cumin (Nigella sativa L.) is known to possess a wide variety of antimicrobial peptides belonging to different structural families. Three novel antimicrobial peptides have been isolated from black cumin seeds. Two of them were attributed as members of the non-specific lipid transfer proteins fa...
ORGANISM(S): Nigella sativa 
2023-07-20 | PXD040611 | Pride
Defensin Lipid transfer protein (ltp) Antimicrobial peptide (amps) Proteomic analysis Antimicrobial activity 
TranscriptomicsNext generation sequencing of Desulfovibrio vulgaris Hildenborough in the presence of Free Nitrous Acid stress
Purpose: Free nitrous acid (FNA) has recently been demonstrated as an antimicrobial agent to a range of microorganisms. However, its antimicrobial mechanism is largely unknown. For this study Desulfovibrio vulgaris Hildenborough was selected to gain a systematic understanding of the antimicrobial me...
ORGANISM(S): Desulfovibrio vulgaris 
2016-07-01 | E-GEOD-78834 | biostudies-arrayexpress
TranscriptomicsEffect of Drosophila immune proteins on gene expression in E. coli
Interaction between the host and invading pathogen determines the fate of both organisms during the infectious state. The host is equipped with a battery of immune reactions, while the pathogen displays a variety of mechanisms to compromise host immunity. Although bacteria alter their pattern of g...
ORGANISM(S): Escherichia coli 
2015-01-13 | E-GEOD-61604 | biostudies-arrayexpress
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