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Characterization of two closely linked soybean pgip genes and transcript regulation following pathogen infection and wounding

Author

Listed:
  • D. R Ovidio

    (Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, 01100 Viterbo, Italy)

  • S. Roberti

    (Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, 01100 Viterbo, Italy)

  • M. Melaragni

    (Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, 01100 Viterbo, Italy)

  • C. Capodicasa

    (Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, 01100 Viterbo, Italy)

  • L.S. Sella

    (Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, 01100 Viterbo, Italy)

  • F. Favaron

    (Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, 01100 Viterbo, Italy)

Abstract

Polygalacturonase-inhibiting protein (PGIP) is a plant cell wall protein that regulates the action of fungal endopolygalacturonases (PG) favouring the formation of oligogalacturonides active as elicitors of plant defense responses. We have isolated two novel soybean PGIP genes (Gmpgip1 and Gmpgip2) and their recognition specificities against fungal PGs have been tested by expressing them in Nicotiana benthamiana using the Potato virus X (PVX) as vector and in Escherichia coli. In both systems GmPGIP1 and GmPGIP2 accumulate but showed no activity against PGs. Transcript regulation of GmPGIP1 and GmPGIP2 showed that these genes undergo a differential regulation following Sclerotinia sclerotiorum infection and wounding.

Suggested Citation

  • D. R Ovidio & S. Roberti & M. Melaragni & C. Capodicasa & L.S. Sella & F. Favaron, 2002. "Characterization of two closely linked soybean pgip genes and transcript regulation following pathogen infection and wounding," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 38(SI2-6thCo), pages 480-482.
    • Handle: RePEc:caa:jnlpps:v:38:y:2002:i:si2-6thconfefpp:id:10529-pps
    DOI: 10.17221/10529-PPS
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