Ancestral MADS box genes in Sugi, Cryptomeria japonica D. Don (Taxodiaceae), homologous to the B function genes in angiosperms

Mitsue Fukui, Norihiro Futamura, Yuzuru Mukai, Yunqiu Wang, Akinori Nagao, Kenji Shinohara

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

In flowering plants, flower organ identity is controlled by the ABC genes, including several MADS box genes. We present two MADS box genes of a conifer, Cryptomeria japonica D. Don. The genes, CjMADS1 and CjMADS2, were related to the angiosperm B function genes which determine the identities of petals and stamens. A phylogenetic analysis showed that these genes form a new clade outside the angiosperm B group, that is, PISTILLATA (PI) and APETALA3 (AP3) lineages. CjMADS1 had a PI-group specific motif and CjMADS2 had AP3-group specific motifs at the C terminal end, respectively. CjMADS1 was expressed in male strobili (or cones) throughout its development, while CjMADS2 was transiently expressed during male strobilus development. The specific expression in the male reproductive organ indicated that the B function is maintained in gymnosperms. Our cladistic analysis suggests that the gene duplication event which generated B function gene lineages predates the divergence of angiosperms and gymnosperms and that the gene duplication which produced the two genes of C. japonica occurred in an ancestral conifer species.

Original languageEnglish (US)
Pages (from-to)566-575
Number of pages10
JournalPlant and Cell Physiology
Volume42
Issue number6
StatePublished - 2001

Fingerprint

Taxodiaceae
Cryptomeria
Angiosperms
Cryptomeria japonica
Angiospermae
Genes
genes
Gymnosperms
Coniferophyta
Gene Duplication
gene duplication
conifers
seed cones
phylogeny
stamens
Prednisolone
corolla

Keywords

  • B function
  • Conifer
  • Cryptomeria japonica
  • Gymnosperm
  • MADS box gene
  • Male strobilous development

ASJC Scopus subject areas

  • Plant Science
  • Physiology
  • Cell Biology

Cite this

Fukui, M., Futamura, N., Mukai, Y., Wang, Y., Nagao, A., & Shinohara, K. (2001). Ancestral MADS box genes in Sugi, Cryptomeria japonica D. Don (Taxodiaceae), homologous to the B function genes in angiosperms. Plant and Cell Physiology, 42(6), 566-575.

Ancestral MADS box genes in Sugi, Cryptomeria japonica D. Don (Taxodiaceae), homologous to the B function genes in angiosperms. / Fukui, Mitsue; Futamura, Norihiro; Mukai, Yuzuru; Wang, Yunqiu; Nagao, Akinori; Shinohara, Kenji.

In: Plant and Cell Physiology, Vol. 42, No. 6, 2001, p. 566-575.

Research output: Contribution to journalArticle

Fukui, M, Futamura, N, Mukai, Y, Wang, Y, Nagao, A & Shinohara, K 2001, 'Ancestral MADS box genes in Sugi, Cryptomeria japonica D. Don (Taxodiaceae), homologous to the B function genes in angiosperms', Plant and Cell Physiology, vol. 42, no. 6, pp. 566-575.
Fukui, Mitsue ; Futamura, Norihiro ; Mukai, Yuzuru ; Wang, Yunqiu ; Nagao, Akinori ; Shinohara, Kenji. / Ancestral MADS box genes in Sugi, Cryptomeria japonica D. Don (Taxodiaceae), homologous to the B function genes in angiosperms. In: Plant and Cell Physiology. 2001 ; Vol. 42, No. 6. pp. 566-575.
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