Differentially regulated genes in Solanum tuberosum in response to " Mexican potato purple top phytoplasma" infection

Rosa María Longoria-Espinoza, Nadia Rubí Douriet-Gámez, Melina López-Meyer, Francisco Quiroz-Figueroa, Mario Bueno-Ibarra, Jesús Méndez-Lozano, María Elena Santos-Cervantes, Rubén Félix-Gastélum, Jesús Alicia Chávez-Medina, Norma Elena Leyva-López

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Potato plants infected by phytoplasmas exhibit an array of symptoms that suggest interference within the normal balance of plant metabolism. Suppression subtractive hybridization (SSH), macroarray screening and real-time PCR were performed to identify differentially expressed genes in phytoplasma-infected in vitro potato plants. Gene expression analysis revealed the up-regulation of genes involved in several metabolic pathways, including ERF, WRKY, HSP90, SAP6, AN1-like ZFP, and an unknown protein; the down-regulation of genes encoding monodehydroascorbate reductase and a putative membrane protein was also observed. The results presented here provide the groundwork for addressing new questions to better understand the phytoplasma-plant interaction.

Original languageEnglish
Pages (from-to)33-44
Number of pages12
JournalPhysiological and Molecular Plant Pathology
Volume81
DOIs
StatePublished - Jan 2013

Keywords

  • Differentially expressed genes
  • Macroarray screening
  • PPT disease
  • Phytoplasma-plant interaction
  • Real-time PCR
  • SSH
  • Solanum tuberosum L.

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