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Phytopathogenic Mollicutes
Year : 2015, Volume : 5, Issue : 1-Suppl.
First page : ( S13) Last page : ( S14)
Print ISSN : 2249-4669. Online ISSN : 2249-4677.
Article DOI : 10.5958/2249-4677.2015.00005.5

Post-translational cleavage and self-interaction of the phytoplasma effector SAP11

Lu Yen-Ting, Cheng Kai-Tan, Jiang Shin-Ying, Yang Jun-Yi*

Institute of Biochemistry, National Chung Hsing University, Taichung-40227, Taiwan

*Corresponding author e-mail: Jun-Yi Yang (jyang@nchu.edu.tw)

Online published on 2 January, 2015.

Abstract

Phytoplasmas are insect-transmitted intracellular plant bacterial pathogens that secreted effectors into host cells to interfere with host developmental or metabolic processes. Recently, the secreted aster yellows phytoplasma strain witches’ broom protein 11 (SAP11) has been shown to play as virulence factor that alters plant development, hormone biosynthesis, phosphate homeostasis and defense responses. Here it is shown that SAP11 undergoes proteolytic processing in planta and interacts with itself in vitro. These biochemical studies provide basic information for understanding the functional mechanisms of SAP11, but the biological relevance of post-translational cleavage and self-interaction of SAP11 need further investigation.

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Keywords

Phytoplasma, SAP11, post-translational modification.

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