Tobacco genes induced by the bacterial effector protein AvrPto

Venkatappa K. Thara, Alexander R. Seilaniantz, Youping Deng, Yinghua Dong, Yinong Yang, Xiaoyan Tang, Jian Min Zhou

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The type III effector protein AvrPto acts as a virulence factor in susceptible plants lacking a cognate resistance gene but triggers hypersensitive response and disease resistance in tomato plants carrying the Pto gene or in tobacco plants carrying an unknown resistance gene. To assist the characterization of cellular responses caused by AvrPto in the plant, a pathogen-free system was adopted to isolate genes up-regulated 12 h after induced expression of AvrPto. By using subtraction cloning and transgenic tobacco plants expressing avrPto as a transgene, we isolated 125 nonredundant cDNA clones that represent avrPto-response genes (ARG). In addition to genes that are known to be induced by Pto-avrPto recognition, a number of new genes were also isolated. Most of ARG showed a specific induction in tobacco plants challenged with incompatible or nonhost pathogens. The use of an avrPto mutant that selectively eliminated the avrPto recognition in tobacco demonstrated that the ARG were induced in a highly specific manner by the avirulence, instead of the virulence activity of avrPto.

Original languageEnglish (US)
Pages (from-to)1139-1145
Number of pages7
JournalMolecular Plant-Microbe Interactions
Volume17
Issue number10
DOIs
StatePublished - Jan 1 2004

Fingerprint

Bacterial Proteins
Tobacco
tobacco
Genes
genes
proteins
virulence
disease-free plants
Disease Resistance
Genetically Modified Plants
hypersensitive response
Virulence Factors
Lycopersicon esculentum
Transgenes
transgenes
disease resistance
Virulence
Organism Cloning
molecular cloning
Complementary DNA

All Science Journal Classification (ASJC) codes

  • Physiology
  • Agronomy and Crop Science

Cite this

Thara, V. K., Seilaniantz, A. R., Deng, Y., Dong, Y., Yang, Y., Tang, X., & Zhou, J. M. (2004). Tobacco genes induced by the bacterial effector protein AvrPto. Molecular Plant-Microbe Interactions, 17(10), 1139-1145. https://doi.org/10.1094/MPMI.2004.17.10.1139
Thara, Venkatappa K. ; Seilaniantz, Alexander R. ; Deng, Youping ; Dong, Yinghua ; Yang, Yinong ; Tang, Xiaoyan ; Zhou, Jian Min. / Tobacco genes induced by the bacterial effector protein AvrPto. In: Molecular Plant-Microbe Interactions. 2004 ; Vol. 17, No. 10. pp. 1139-1145.
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Thara, VK, Seilaniantz, AR, Deng, Y, Dong, Y, Yang, Y, Tang, X & Zhou, JM 2004, 'Tobacco genes induced by the bacterial effector protein AvrPto', Molecular Plant-Microbe Interactions, vol. 17, no. 10, pp. 1139-1145. https://doi.org/10.1094/MPMI.2004.17.10.1139

Tobacco genes induced by the bacterial effector protein AvrPto. / Thara, Venkatappa K.; Seilaniantz, Alexander R.; Deng, Youping; Dong, Yinghua; Yang, Yinong; Tang, Xiaoyan; Zhou, Jian Min.

In: Molecular Plant-Microbe Interactions, Vol. 17, No. 10, 01.01.2004, p. 1139-1145.

Research output: Contribution to journalArticle

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