Grafting triggers differential responses between scion and rootstock.

  • Anita Kumari
  • Jitendra Kumar
  • Anil Kumar
  • Ashok Chaudhury
  • Sudhir P Singh
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Publisher
Public Library of Science (PLoS)
Journal
issn:1932-6203

Abstract

Grafting is a well-established practice to facilitate asexual propagation in horticultural and agricultural crops. It has become a method for studying molecular aspects of root-to-shoot and/or shoot-to-root signaling events. The objective of this study was to investigate differences in gene expression between the organs of the scion and rootstock of a homograft (Arabidopsis thaliana). MapMan and Gene Ontology enrichment analysis revealed differentially expressed genes from numerous functional categories related to stress responses in the developing flower buds and leaves of scion and rootstock. Meta-analysis suggested induction of drought-type responses in flower buds and leaves of the scion. The flower buds of scion showed over-representat...

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