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Int. J. Mol. Sci. 2009, 10(6), 2860-2872; doi:10.3390/ijms10062860
Review

Protease Inhibitors from Plants with Antimicrobial Activity

1,†
, 1,†
, 4
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, 2
, 1,3
 and 1,4,*
Received: 20 May 2009; in revised form: 20 June 2009 / Accepted: 20 June 2009 / Published: 23 June 2009
(This article belongs to the Special Issue Antimicrobial Agents)
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Abstract: Antimicrobial proteins (peptides) are known to play important roles in the innate host defense mechanisms of most living organisms, including plants, insects, amphibians and mammals. They are also known to possess potent antibiotic activity against bacteria, fungi, and even certain viruses. Recently, the rapid emergence of microbial pathogens that are resistant to currently available antibiotics has triggered considerable interest in the isolation and investigation of the mode of action of antimicrobial proteins (peptides). Plants produce a variety of proteins (peptides) that are involved in the defense against pathogens and invading organisms, including ribosome-inactivating proteins, lectins, protease inhibitors and antifungal peptides (proteins). Specially, the protease inhibitors can inhibit aspartic, serine and cysteine proteinases. Increased levels of trypsin and chymotrypsin inhibitors correlated with the plants resistance to the pathogen. Usually, the purification of antimicrobial proteins (peptides) with protease inhibitor activity was accomplished by salt-extraction, ultrafiltration and C18 reverse phase chromatography, successfully. We discuss the relation between antimicrobial and anti-protease activity in this review. Protease inhibitors from plants potently inhibited the growth of a variety of pathogenic bacterial and fungal strains and are therefore excellent candidates for use as the lead compounds for the development of novel antimicrobial agents.
Keywords: plants; chromatographic columns; antimicrobial peptide; pathogenic bacterial and fungal strains; protease inhibitors; novel antimicrobial agents plants; chromatographic columns; antimicrobial peptide; pathogenic bacterial and fungal strains; protease inhibitors; novel antimicrobial agents
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Kim, J.-Y.; Park, S.-C.; Hwang, I.; Cheong, H.; Nah, J.-W.; Hahm, K.-S.; Park, Y. Protease Inhibitors from Plants with Antimicrobial Activity. Int. J. Mol. Sci. 2009, 10, 2860-2872.

AMA Style

Kim J-Y, Park S-C, Hwang I, Cheong H, Nah J-W, Hahm K-S, Park Y. Protease Inhibitors from Plants with Antimicrobial Activity. International Journal of Molecular Sciences. 2009; 10(6):2860-2872.

Chicago/Turabian Style

Kim, Jin-Young; Park, Seong-Cheol; Hwang, Indeok; Cheong, Hyeonsook; Nah, Jae-Woon; Hahm, Kyung-Soo; Park, Yoonkyung. 2009. "Protease Inhibitors from Plants with Antimicrobial Activity." Int. J. Mol. Sci. 10, no. 6: 2860-2872.



Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert