Functional diversification of oyster big defensins generates antimicrobial specificity and synergy against members of the microbiota

N de San Nicolas, A Asokan, RD Rosa, SN Voisin… - Marine drugs, 2022 - mdpi.com
Big defensins are two-domain antimicrobial peptides (AMPs) that have highly diversified in
mollusks. Cg-BigDefs are expressed by immune cells in the oyster Crassostrea gigas, and …

Pharmacokinetics and Pharmacodynamics of Fungal Defensin NZX Against Staphylococcus aureus-Induced Mouse Peritonitis Model

X Zheng, N Yang, R Mao, Y Hao, D Teng… - Frontiers in …, 2022 - frontiersin.org
Staphylococcus aureus (S. aureus) is one of the most common pathogenic bacteria
responsible for causing a life-threatening peritonitis disease. NZX, as a variant of fungal …

Identification of a Novel Antimicrobial Peptide From the Ancient Marine Arthropod Chinese Horseshoe Crab, Tachypleus tridentatus

WF Wang, XY Xie, Y Huang, YK Li, H Liu… - Frontiers in …, 2022 - frontiersin.org
Humoral immunity is the first line of defense in the invertebrate immune system, and
antimicrobial peptides play an important role in this biological process. A novel antimicrobial …

Potent bactericidal activity of reduced cryptdin-4 derived from its hydrophobicity and mediated by bacterial membrane disruption

Y Sato, Y Wang, Y Song, W Geng, S Yan, K Nakamura… - Amino Acids, 2022 - Springer
Defensin is a cysteine-rich antimicrobial peptide with three disulphide bonds under normal
oxidative conditions. Cryptdin-4 (Crp4) is a defensin secreted by Paneth cells in the small …

Caging pyrophosphate structure blocks the cell wall synthesis to kill bacteria without detectable resistance

X Nie, F Gao, W You, G Chen, Q Shao, LH Wang… - Chemical Engineering …, 2022 - Elsevier
The increasing spread of antimicrobial resistance results in untreatable infections, causing
thousands of deaths. Thus, it is urgent to find new antibiotics that kill the causative pathogen …

PaP1, a broad-spectrum lysin-derived cationic peptide to treat polymicrobial skin infections

RD Heselpoth, CW Euler, VA Fischetti - Frontiers in Microbiology, 2022 - frontiersin.org
Most skin infections, including those complicating burns, are polymicrobial involving multiple
causative bacteria. Add to this the fact that many of these organisms may be antibiotic …

A fungal defensin inhibiting bacterial cell-wall biosynthesis with non-hemolysis and serum stability

S Qi, B Gao, S Zhu - Journal of Fungi, 2022 - mdpi.com
Defensins are a class of cationic disulfide-bridged antimicrobial peptides (AMPs) present in
many eukaryotic organisms and even in bacteria. They primarily include two distinct but …

Conjugation of antimicrobial peptide to zinc phthalocyanine for an efficient photodynamic antimicrobial chemotherapy

G Rukh, A Ullah, R Khattak, P Fazil, A Ali, MR Shah… - Coatings, 2022 - mdpi.com
Photodynamic antimicrobial chemotherapy is an attractive and novel therapeutic approach
to treat microbial infections. Antimicrobial peptides (AMPs) have the potential to specifically …

Boosting expression level of plectasin in recombinant Pichia pastoris via 2A self-processing peptide assembly

X Liang, H Jiang, X Si, Q Xin, D Meng, P Chen… - Applied Microbiology …, 2022 - Springer
Plectasin is a promising and potent antimicrobial peptide isolated from the fungus
Pseudoplectania nigrella which has been heterologously expressed in various hosts. In this …

[引用][C] 抗菌肽多靶点作用抑菌机理研究进展

肖怀秋, 李玉珍, 林亲录, 赵谋明, 刘军, 周全 - 食品与生物技术学报, 2022