Overexpression of thaumatin-like protein in transgenic tomato plants confers enhanced resistance to Alternaria solani

Raju Radhajeyalakshmi; Rethinasamy Velazhahan; Ponnusamy Balasubramanian; Sabitha Doraiswamy

doi:10.1080/03235400400027382

Overexpression of thaumatin-like protein in transgenic tomato plants confers enhanced resistance to Alternaria solani

Raju Radhajeyalakshmi, Rethinasamy Velazhahan, Ponnusamy Balasubramanian, Sabitha Doraiswamy

Crop Sciences

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

A cDNA encoding thaumatin-like protein (TLP) from rice was cloned into the binary vector pMON410 under the control of the CaMV 35S promoter for Agrobacterium-mediated transformation of tomato. All putative transformants were tested for the integration and expression of the chimeric gene by polymerase chain reaction (PCR) for hygromycin resistance gene (hph) and enzyme-linked immunosorbent assay (ELISA) for TLP respectively. Constitutive, high-level expression of TLP was observed in transgenic plants. The transgenic lines exhibited increased resistance to Alternaria solani, the early blight pathogen compared to non-transgenic tomato plants.

Original language	English
Pages (from-to)	257-265
Number of pages	9
Journal	Archives of Phytopathology and Plant Protection
Volume	38
Issue number	4
DOIs	https://doi.org/10.1080/03235400400027382
Publication status	Published - Nov 2005

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Keywords

Disease resistance
Lycopersicon esculentum
Pathogenesis-related proteins
Thaumatin-like protein
Transgenic plants

ASJC Scopus subject areas

Agronomy and Crop Science

Cite this

Radhajeyalakshmi, R., Velazhahan, R., Balasubramanian, P., & Doraiswamy, S. (2005). Overexpression of thaumatin-like protein in transgenic tomato plants confers enhanced resistance to Alternaria solani. Archives of Phytopathology and Plant Protection, 38(4), 257-265. https://doi.org/10.1080/03235400400027382

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10.1080/03235400400027382