Overexpression of the pineapple fruit bromelain gene (BAA) in transgenic Chinese cabbage (Brassica rapa) results in enhanced resistance to bacterial soft rot
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Keywords

Brassica rapa
fruit bromelain
soft rot resistance
transgenic plant

How to Cite

1.
Jung Y-J, Choi C-S, Park J-H, Kang H-W, Choi J-E, Nou I-S, Lee SY, Kang K-K. Overexpression of the pineapple fruit bromelain gene (BAA) in transgenic Chinese cabbage (Brassica rapa) results in enhanced resistance to bacterial soft rot. Electron. J. Biotechnol. [Internet]. 2008 Jan. 15 [cited 2024 Sep. 19];11(1):0-. Available from: https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v11n1-5

Abstract

Bromelain is a crude protein extract obtained from pineapple stems, which comprises a variety of proteolytic enzymes. It exhibits potential therapeutic activities against trauma, inflammation, autoimmune diseases and malignant disorders. In this study, we cloned BAA1 (the gene encoding fruit bromelain) into a plant expression vector that was then used to transform Brassica rapa and overexpress BAA1 under the control of the cauliflower mosaic virus (CaMV) 35S promoter. We demonstrate that constitutive overexpression of BAA1 in B. rapa confers enhanced resistance to the soft rot pathogen Pectobacterium carotovorum ssp. carotovorum. These results suggest that it could be utilized for protecting plants from attack by bacterial pathogens.

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