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 journalArticle

13 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 1 2003

Fingerprint

Ribosomal Protein S6
Chloroplast Proteins
Plastids
Meristem
root meristems
ribosomal proteins
Arabidopsis
plastids
Sucrose
mutation
Mutation
Membrane Lipids
sucrose
Genes
Organism Cloning
Proteins
Fatty Acids
genes
proteins
Gene Expression

All Science Journal Classification (ASJC) codes

  • Genetics
  • Plant Science
  • Cell Biology

Cite this

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