Development and function of the angiosperm female gametophyte

Gary N. Drews, Ramin Yadegari

Research output: Contribution to journalArticle

147 Citations (Scopus)

Abstract

The plant life cycle alternates between a diploid sporophyte generation and a haploid gametophyte generation. The angiosperm female gametophyte is critical to the reproductive process. It is the structure within which egg cell production and fertilization take place. In addition, the female gametophyte plays a role in pollen tube guidance, the induction of seed development, and the maternal control of seed development. Genetic analysis in Arabidopsis has uncovered mutations that affect female gametophyte development and function. Mutants defective in almost all stages of development have been identified, and analysis of these mutants is beginning to reveal features of the female gametophyte developmental program. Other mutations that affect female gametophyte function have uncovered regulatory genes required for the induction of endosperm development. From these studies, we are beginning to understand the regulatory networks involved in female gametophyte development and function. Further investigation of the female gametophyte will require complementary approaches including expression-based approaches to obtain a complete profile of the genes functioning within this critical structure.

Original languageEnglish (US)
Pages (from-to)99-124
Number of pages26
JournalAnnual review of genetics.
Volume36
DOIs
StatePublished - 2002

Fingerprint

Angiosperms
Seeds
Pollen Tube
Endosperm
Mutation
Haploidy
Regulator Genes
Life Cycle Stages
Diploidy
Arabidopsis
Fertilization
Ovum
Mothers
Genes

Keywords

  • Arabidopsis
  • Embryo sac
  • Female gametophyte
  • Plant reproduction

ASJC Scopus subject areas

  • Genetics

Cite this

Development and function of the angiosperm female gametophyte. / Drews, Gary N.; Yadegari, Ramin.

In: Annual review of genetics., Vol. 36, 2002, p. 99-124.

Research output: Contribution to journalArticle

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