Ultrastructural transformations of nuclei in differentiating Hyacirlthus orientalis L. pollen grain cells

Ultrastructural transformations of nuclei in differentiating Hyacirlthus orientalis L. pollen grain cells

The ultrastructure of the pollen nuclei was studied during pollen maturation in Hyacinthus orientalis L., in which both pollen cells go through full interphase (G1 S, G2). The particular stages of interphase, however, do not proceed simultaneously in the vegetative and generative nuclei. The ultrast...

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Bibliographic Details
Published in:Acta Societatis Botanicorum Poloniae Vol. 56; no. 4; pp. 667 - 685
Main Authors: Bednarska, Elżbieta, Górska-Brylass, Alicja
Format: Journal Article
Language:English
Published: Warsaw Polish Botanical Society 01-01-2014
Subjects:
cell cycle
Hyacinthus orientalis
Interphase
Nuclei
Pollen
pollen nuclei
Protein biosynthesis
Ribonucleic acid
RNA
Transcription
ultrastructural differentiation
Ultrastructure
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Summary:The ultrastructure of the pollen nuclei was studied during pollen maturation in Hyacinthus orientalis L., in which both pollen cells go through full interphase (G1 S, G2). The particular stages of interphase, however, do not proceed simultaneously in the vegetative and generative nuclei. The ultrastructural transformations of both pollen nuclei were analysed with reference to the dynamics of variations in the level of RNA and protein synthesis, investigated earlier. A distinction is drawn between the structural changes common for both nuclei, linked immanently with the interphase and the transformations connected with the differentiation of pollen cells.
ISSN:0001-6977
2083-9480
DOI:10.5586/asbp.1987.057