Mutations in a gene for plastid ribosomal protein S6-like protein reveal a novel developmental process required for the correct organization of lateral root meristem in Arabidopsis

Gorou Horiguchi, Hiroaki Kodama, Koh Iba

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Arabidopsis rfc3 mutants have previously been isolated with an altered fatty acid composition of membrane lipids. In this study, rfc3 was found to have a sucrose-conditional defect in the patterning of distal elements in the lateral root meristem. By utilizing this feature, a sucrose-sensitive process important for lateral root development was localized to the growing portion of rfc3 primary root. Because lateral root formation occurs at a later stage, this finding suggests the existence of an RFC3-dependent, non-primordium autonomous signal playing a role in the organization of lateral root meristem. Map-based cloning of RFC3 gene revealed that it encodes a plastid-localized ribosomal protein S6-like protein and provides a potential link between control of plastid gene expression and LR development.

Original languageEnglish
Pages (from-to)521-529
Number of pages9
JournalPlant Journal
Volume33
Issue number3
DOIs
Publication statusPublished - Feb 2003

All Science Journal Classification (ASJC) codes

  • Genetics
  • Plant Science
  • Cell Biology

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