Developmentally regulated systemic endopolyploidy in succulents with small genomes

E. Jay De Rocher, Kristi R. Harkins, David W Galbraith, Hans J. Bohnert

Research output: Contribution to journalArticle

140 Citations (Scopus)

Abstract

Nuclei from Mesembryanthemum crystallinum (ice plant) exhibit multiple levels of ploidy in every tissue as revealed by flow microfluorometric analysis of isolated nuclei stained with mithramycin. Multiples of the haploid nuclear genome complement (1C) corresponding to 2C, 4C, 8C, 16C, 32C, and 64C were observed. The distribution of nuclei among the different ploidy levels is tissue-specific and in leaves is characteristic of the stage of development. This type of genome organization has been identified in eight other succulent CAM (crassulacean acid metabolism) plant species with small genomes. Multiploidy may be a common property of this type of plant.

Original languageEnglish (US)
Pages (from-to)99-101
Number of pages3
JournalScience
Volume250
Issue number4977
StatePublished - 1990

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cacti and succulents
endopolyploidy
ploidy
genome
Mesembryanthemum crystallinum
Crassulacean acid metabolism
haploidy
nuclear genome
complement
ice
leaves
tissues

ASJC Scopus subject areas

  • General

Cite this

De Rocher, E. J., Harkins, K. R., Galbraith, D. W., & Bohnert, H. J. (1990). Developmentally regulated systemic endopolyploidy in succulents with small genomes. Science, 250(4977), 99-101.

Developmentally regulated systemic endopolyploidy in succulents with small genomes. / De Rocher, E. Jay; Harkins, Kristi R.; Galbraith, David W; Bohnert, Hans J.

In: Science, Vol. 250, No. 4977, 1990, p. 99-101.

Research output: Contribution to journalArticle

De Rocher, EJ, Harkins, KR, Galbraith, DW & Bohnert, HJ 1990, 'Developmentally regulated systemic endopolyploidy in succulents with small genomes', Science, vol. 250, no. 4977, pp. 99-101.
De Rocher, E. Jay ; Harkins, Kristi R. ; Galbraith, David W ; Bohnert, Hans J. / Developmentally regulated systemic endopolyploidy in succulents with small genomes. In: Science. 1990 ; Vol. 250, No. 4977. pp. 99-101.
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