Ultrastructural and molecular study of plastid inheritance in Abies alba and some Abies hybrids

descriptionPublicationkeyboard_double_arrow_right Article 24 Nov 1998Publisher:Springer Science and Business Media LLCJournal:Sexual Plant Reproduction, volume 11, pages 284-291 (issn: 0934-0882, eissn: 1432-2145,

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Authors: J. Salaj; Alena Kosová; Andrej Kormuták; Björn Walles;

doi: 10.1007/s004970050155

Ultrastructural and molecular study of plastid inheritance in Abies alba and some Abies hybrids

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Abstract

The ultrastructure of egg cells in Abies alba was examined to elucidate the lack of maternal inheritance of plastids. Before fertilization, maternal plastids are absent in the perinuclar zone containing mainly mitochondria and smooth endoplasmic reticulum. During egg cell development the maternal plastids are transformed into large inclusions which are situated mostly towards the periphery of the egg cell, and finally disintegrate. As a consequence, they do not participate in zygote formation.

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Stockholm University
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Slovak Academy of Sciences
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