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Participation of Male Cytoplasm During Gamete Fusion in an Angiosperm, Plumbago zeylanica.

Authors
  • Russell, S D
Type
Published Article
Journal
Science (New York, N.Y.)
Publication Date
Oct 10, 1980
Volume
210
Issue
4466
Pages
200–201
Identifiers
PMID: 17741287
Source
Medline
License
Unknown

Abstract

The embryo sac of Plumbago, lacking synergids, reveals an alternative course for pollen tube growth in angiosperms and provides ultrastructural evidence for transmission of sperm cytoplasm into the zygote and endosperm. Study of such evolutionarily reduced female gametophytes may aid in elucidating the structural basis for genetic transmission of plastids and mitochondria in flowering plants.

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