Protocol: high-efficiency in -planta Agrobacterium -mediated transgenic hairy root induction of Camellia sinensis var. sinensis

Plant Methods
Karthikeyan AlagarsamyShu Wei

Abstract

Camellia sinensis var. sinensis is widely grown for tea beverages that possess significant health promoting effects. Studies on tea plant genetics and breeding are hindered due to its recalcitrance to Agrobacterium-mediated genetic transformation. Among the possible reasons, oxidation of phenolics released from explant tissues and bactericidal effects of tea polyphenols during the process of transformation play a role in the plant recalcitrance. The aim of the present study was to alleviate the harmful effects of phenolic compounds using in-planta transformation. Two-month old seedlings of tea cultivar "Nong Kangzao" were infected at the hypocotyl with wild type Agrobacterium rhizogenes and maintained in an environment of high humidity. 88.3% of infected plants developed hairy roots at the wounded site after 2 months of infection. Our data indicated that transgenic hairy root induction of tea can be achieved using A. rhizogenes following the optimized protocol. With this method, composite tea plants containing wild-type shoots with transgenic roots can be generated for "in root" gene functional characterization and root-shoot interaction studies. Moreover, this method can be applied to improve the root system of composite tea p...Continue Reading

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Citations

May 7, 2020·Journal of Basic and Clinical Physiology and Pharmacology·UNKNOWN SutiniWirdhatul Muslihatin
Jan 8, 2020·Horticulture Research·En-Hua XiaXiao-Chun Wan
Jan 7, 2021·Critical Reviews in Food Science and Nutrition·Yinyin LiaoLanting Zeng
Oct 18, 2019·International Journal of Biological Macromolecules·Guanming ChenBo Wang
Jan 1, 2021·Horticulture Research·En-Hua XiaXiao-Chun Wan
Jan 15, 2022·Journal of Agricultural and Food Chemistry·Guangbiao SheXiaochun Wan

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Methods Mentioned

BETA
transgenic
PCR

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