Antimicrobial peptides: successes, challenges and unanswered questions.

Antimicrobial peptides: successes, challenges and unanswered questions.
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DOI:
10.1007/s00232-011-9343-0
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发表时间:
2011-01
影响因子:
2.4
通讯作者:
Hristova, Kalina
Hristova, Kalina
中科院分区:
生物学4区
文献类型:
--
作者:
Wimley, William C.;Hristova, Kalina

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Multidrug antibiotic resistance is an increasingly serious public health problem worldwide. Thus, there is a significant and urgent need for the development of new classes of antibiotics that do not induce resistance. To develop such antimicrobial compounds, we must look toward agents with novel mechanisms of action. Membrane permeabilizing antimicrobial peptides (AMPs) are good candidates because they act without high specificity toward a protein target, which reduces the likelihood of induced resistance. Understanding the mechanism of membrane permeabilization is crucial for the development of AMPs into useful anti-microbial agents. Various models, some phenomenological and others more quantitative or semi-molecular, have been proposed to explain the action of antimicrobial peptides. While these models explain many aspects of AMP action, none of the models captures all the experimental observations and significant questions remain unanswered. Here we discuss the state of the field and pose some questions that, if answered, could speed the discovery of clinically useful peptide antibiotics.
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