Results 31 to 40 of about 90,280 (287)

D- and N-Methyl Amino Acids for Modulating the Therapeutic Properties of Antimicrobial Peptides and Lipopeptides

open access: yesAntibiotics, 2023
Here we designed and synthesized analogs of two antimicrobial peptides, namely C10:0-A2, a lipopeptide, and TA4, a cationic α-helical amphipathic peptide, and used non-proteinogenic amino acids to improve their therapeutic properties. The physicochemical
Maria Veronica Humpola   +6 more
doaj   +1 more source

Cationic Antimicrobial Peptide Resistance in Neisseria meningitidis [PDF]

open access: yesJournal of Bacteriology, 2005
ABSTRACT Cationic antimicrobial peptides (CAMPs) are important components of the innate host defense system against microbial infections and microbial products. However, the human pathogen Neisseria meningitidis is intrinsically highly resistant to CAMPs, such as polymyxin B (PxB) (MIC ≥ 512 μg/ml).
Yih-Ling, Tzeng   +6 more
openaire   +2 more sources

Interaction of Cationic Antimicrobial Peptides with Model Membranes [PDF]

open access: yesJournal of Biological Chemistry, 2001
A series of natural and synthetic cationic antimicrobial peptides from various structural classes, including alpha-helical, beta-sheet, extended, and cyclic, were examined for their ability to interact with model membranes, assessing penetration of phospholipid monolayers and induction of lipid flip-flop, membrane leakiness, and peptide translocation ...
L, Zhang, A, Rozek, R E, Hancock
openaire   +2 more sources

Antimicrobial Peptide Induced-Stress Renders Staphylococcus aureus Susceptible to Toxic Nucleoside Analogs

open access: yesFrontiers in Immunology, 2020
Cationic antimicrobial peptides (AMPs) are active immune effectors of multicellular organisms and are also considered as new antimicrobial drug candidates.
Alexandro Rodríguez-Rojas   +8 more
doaj   +1 more source

Antibacterial activity of active peptide from marine macroalgae Chondrus crispus protein hydrolysate against Staphylococcus aureus [PDF]

open access: yesPharmacia, 2023
Macroalgae is a protein source with the potential to yield antimicrobial peptides (AMPs) that exhibit a wide range of biological activities. This study aimed to find bioactive peptide-based antibacterial compounds from marine macroalgae Chondrus crispus ...
Ahmad Habibie   +3 more
doaj   +3 more sources

Antimicrobial peptides: the role of hydrophobicity in the alpha helical structure [PDF]

open access: yesJournal of Pharmacy & Pharmacognosy Research, 2013
The antimicrobial peptides (AMPs) are a class of molecule obtained from plants, insects, animals, and humans. These peptides have been classified into five categories: 1. Anionic peptide, 2. Linear alpha helical cationic peptide, 3.
Pandurangan Perumal, Vijaya P. Pandey
doaj  

Functions of Cationic Host Defense Peptides in Immunity

open access: yesPharmaceuticals, 2016
Cationic host defense peptides are a widely distributed family of immunomodulatory molecules with antimicrobial properties. The biological functions of these peptides include the ability to influence innate and adaptive immunity for efficient resolution ...
Mahadevappa Hemshekhar   +2 more
doaj   +1 more source

Interaction of cationic antimicrobial peptides with Mycoplasma pulmonis [PDF]

open access: yesFEBS Letters, 2013
We investigated the mode of action underlying the anti‐mycoplasma activity of cationic antimicrobial peptides (AMPs) using four known AMPs and Mycoplasma pulmonis as a model mycoplasma. Scanning electron microscopy revealed that the integrity of the M.
Park, Ho Jin   +5 more
openaire   +2 more sources

Racing on the Wrong Track

open access: yesFrontiers in Chemistry, 2017
The preclinical in vitro and in vivo benchmark figures of cationic antimicrobial peptides have to be revisited based on the newly discovered alternative modes of action.
Laszlo Otvos, Laszlo Otvos
doaj   +1 more source

Identification of New Ocellatin Antimicrobial Peptides by cDNA Precursor Cloning in the Frame of This Family of Intriguing Peptides

open access: yesAntibiotics, 2020
Ocellatins are a family of antimicrobial peptides found exclusively in the Leptodactylus genus. To date, 10 species have been studied and more than 23 peptides described.
Mariela M. Marani   +5 more
doaj   +1 more source

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