Differentially expressed genes associated with dormancy or germination of Arabidopsis thaliana seeds

P.E. Toorop, R.M. Barroco, G. Engler, S.P.C. Groot, H.W.M. Hilhorst

Research output: Contribution to journalArticleAcademicpeer-review

35 Citations (Scopus)


Differential display analysis using dormant and non-dormant Arabidopsis thaliana (L.) Heynh seeds resulted in a set of genes that were associated with either dormancy or germination. Expression of the germination-associated genes AtRPL36B and AtRPL27B, encoding two ribosomal proteins, was undetectable in the dry seed, low in dormant seed, and high under conditions that allowed completion of germination. Expression of these genes was also found to be light-regulated and to correlate with germination speed. Expression of the dormancy-associated genes ATS2 and ATS4, encoding a caleosin-like protein and a protein similar to a low-temperature-induced protein respectively, was high in the dry seed and decreased during germination. Expression of ATS2 and ATS4 was high in primary and secondary dormant seed but low in after-ripened or chilled seed. The expression of both genes was also light-regulated, but no relationship with temperature-dependent germination speed was found.
Original languageEnglish
Pages (from-to)637-647
Issue number5
Publication statusPublished - 2005


  • seed germination
  • genes
  • gene expression
  • ribosomal-protein genes
  • low-temperature
  • abscisic-acid
  • l heynh
  • gibberellins
  • desiccation
  • pathways
  • mutants
  • bodies
  • light

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