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Title 

Pn-AMPs, the hevein-like proteins from Pharbitis nil confers disease resistance against phytopathogenic fungi in tomato, Lycopersicum esculentum

Authors 

Ok Sun LeeB Y LeeN M ParkJ C KooY H KimT Prasad DC KarigarH J ChunB R JeongD H KimJ S NamJ G YunSang Soo KwakM J ChoD J Yun

Publisher 

Elsevier

Issue Date 

2003

Citation 

Phytochemistry, vol. 62, no. 7, pp. 1073-1079

Keywords 

antifungal activityconvolvulaceaefungal resistancehevein-like proteinslycopersicon esculentumpharbitis nilPn-AMPsolanaceaeantimicrobial proteinhevein

Abstract 

The antifungal activity of hevein-like proteins has been associated with their chitin-binding activities. Pn-AMP1 and Pn-AMP2, two hevein homologues from Pharbitis nil, show in vitro antifungal activities against both chitin and non-chitin containing fungi. Purified Pn-AMPs retained antifungal activities only under non-reducing conditions. When Pn-AMP2 cDNA was constitutively expressed in tomato (Lycopersicon esculentum) plants under the control of CaMV35S promoter, the transgenic plants showed enhanced resistance against both the non-chitinous fungus Phytophthora capsici, and the chitin-containing fungus Fusarium oxysporum. Thus, the chitin component in the fungal cell wall is not an absolute requirement for Pn-AMP's antifungal activities. These results when considered together suggest that Pn-AMPs have the potential for developing transgenic plants resistant to a wide range of phytopathogenic fungi.

ISSN 

0031-9422

Link 

http://dx.doi.org/10.1016/S0031-9422(02)00668-4

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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