The ASK1 and ASK2 Genes Are Essential for Arabidopsis Early Development

Fuquan Liu, Weimin Ni, Megan E. Griffith, Zhiyuan Huang, Changqing Chang, Wen Peng, Hong Ma, Daoxin Xie

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

The requirement of CUL1 for Arabidopsis embryogenesis suggests that Skp1-CUL1-F-box protein (SCF) complexes play important roles during embryo development. Among the 21 Arabidopsis Skp1-like genes (ASKs), it is unknown which ASK gene(s) is essential for embryo development. In this study, we demonstrate a vital role for ASK1 and ASK2 in Arabidopsis embryogenesis and postembryonlc development through analysis of the ask1 ask2 double mutant. Our detailed analysis indicates that the double mutations in both ASK1 and ASK2 affect cell division and cell expansion/elongation and cause a developmental delay during embryogenesis and lethality in seedling growth. The expression patterns of ASK1 and ASK2 were examined further and found to be consistent with their roles in embryogenesis and seedling development. We propose that mutations in ASK1 and ASK2 abolish all of the ASK1- and ASK2-based SCF and non-SCF complexes, resulting in alteration of gene expression and leading to defects in growth and development.

Original languageEnglish (US)
Pages (from-to)5-20
Number of pages16
JournalPlant Cell
Volume16
Issue number1
DOIs
StatePublished - Jan 1 2004

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Essential Genes
Arabidopsis
Embryonic Development
early development
embryogenesis
F-Box Proteins
F-box proteins
genes
Seedlings
Genes
mutation
Mutation
Growth and Development
Cell Division
seedling growth
cell division
growth and development
Gene Expression
gene expression
mutants

All Science Journal Classification (ASJC) codes

  • Plant Science
  • Cell Biology

Cite this

Liu, F., Ni, W., Griffith, M. E., Huang, Z., Chang, C., Peng, W., ... Xie, D. (2004). The ASK1 and ASK2 Genes Are Essential for Arabidopsis Early Development. Plant Cell, 16(1), 5-20. https://doi.org/10.1105/tpc.017772
Liu, Fuquan ; Ni, Weimin ; Griffith, Megan E. ; Huang, Zhiyuan ; Chang, Changqing ; Peng, Wen ; Ma, Hong ; Xie, Daoxin. / The ASK1 and ASK2 Genes Are Essential for Arabidopsis Early Development. In: Plant Cell. 2004 ; Vol. 16, No. 1. pp. 5-20.
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Liu, F, Ni, W, Griffith, ME, Huang, Z, Chang, C, Peng, W, Ma, H & Xie, D 2004, 'The ASK1 and ASK2 Genes Are Essential for Arabidopsis Early Development', Plant Cell, vol. 16, no. 1, pp. 5-20. https://doi.org/10.1105/tpc.017772

The ASK1 and ASK2 Genes Are Essential for Arabidopsis Early Development. / Liu, Fuquan; Ni, Weimin; Griffith, Megan E.; Huang, Zhiyuan; Chang, Changqing; Peng, Wen; Ma, Hong; Xie, Daoxin.

In: Plant Cell, Vol. 16, No. 1, 01.01.2004, p. 5-20.

Research output: Contribution to journalArticle

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Liu F, Ni W, Griffith ME, Huang Z, Chang C, Peng W et al. The ASK1 and ASK2 Genes Are Essential for Arabidopsis Early Development. Plant Cell. 2004 Jan 1;16(1):5-20. https://doi.org/10.1105/tpc.017772