Abstract：
:Ribosomally synthesized peptides with antimicrobial properties (antimicrobial peptides-AMPs) are produced by eukaryotes and prokaryotes and represent crucial components of their defense systems against microorganisms. Although they differ in structure, they are nearly all cationic and very often amphiphilic, which reflects the fact that many of them attack their target cells by permeabilizing the cell membrane. They can be roughly categorized into those that have a high content of a certain amino acid, most often proline, those that contain intramolecular disulfide bridges, and those with an amphiphilic region in their molecule if they assume an alpha-helical structure. Most of the known ribosomally synthesized peptides with antimicrobial functions have been identified and studied during the last 20 years. As a result of these studies, new knowledge has been acquired into biology and biochemistry. It has become evident that these peptides may be developed into useful antimicrobial additives and drugs. The use of two-peptide antimicrobial peptides as replacement for clinical antibiotics is promising, though their applications in preservation of foods (safe and effective for use in meat, vegetables, and dairy products), in veterinary medicine, and in dentistry are more immediate. This review focuses on the current status of some of the main types of ribosomally synthesized AMPs produced by eucaryotes and procaryotes and discusses the novel antimicrobial functions, new developments, e.g. heterologous production of bacteriocins by lactic acid bacteria, or construction of multibacteriocinogenic strains, novel applications related to these peptides, and future research paradigms.
journal_name
Biotechnol Advjournal_title
Biotechnology advancesauthors
Papagianni Mdoi
10.1016/s0734-9750(03)00077-6subject
Has Abstractpub_date
2003-09-01 00:00:00pages
465-99issue
6eissn
0734-9750issn
1873-1899pii
S0734975003000776journal_volume
21pub_type
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