Class B gene expression and the modified ABC model in nongrass monocots

Akira Kanno, Mutsumi Nakada, Yusuke Akita, Masayo Hirai

研究成果: Review article査読

51 被引用数 (Scopus)

抄録

The discovery of the MADS-box genes and the study of model plants such as Arabidopsis thaliana and Antirrhinum majus have greatly improved our understanding of the molecular mechanisms driving the diversity in floral development. The class B genes, which belong to the MADS-box gene family, are important regulators of the development of petals and stamens in flowering plants. Many nongrass monocot flowers have two whorls of petaloid organs, which are called tepals. To explain this floral morphology, the modified ABC model was proposed. This model was exemplified by the tulip, in which expansion and restriction of class B gene expression is linked to the transition of floral morphologies in whorl 1. The expression patterns of class B genes from many monocot species nicely fit this model; however, those from some species, such as asparagus, do not. In this review, we summarize the relationship between class B gene expression and floral morphology in nongrass monocots, such as Liliales (Liliaceae) and Asparagales species, and discuss the applicability of the modified ABC model to monocot flowers.

本文言語English
ページ(範囲)268-279
ページ数12
ジャーナルTheScientificWorldJournal
7
DOI
出版ステータスPublished - 2007 2月 19

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学(全般)
  • 環境科学(全般)

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