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Nuclear DNA content of some important plant species

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An Erratum to this article was published on 01 November 1991

Abstract

Nuclear DNA contents of more than 100 important plant species were measured by flow cytometry of isolated nuclei stained with propidium iodide.Arabidopsis exhibits developmentally regulated multiploidy and has a 2C nuclear DNA content of 0.30 pg (145 Mbp/1C), twice the value usually cited. The 2C value for rice is only about three times that ofArabidopsis. Tomato has a 2C value of about 2.0 pg, larger than commonly cited. This survey identified several horticultural crops in a variety of families with genomes only two or three times as large asArabidopsis; these include several fruit trees (a pricot, cherry, mango, orange, papaya, and peach). The small genome sizes of rice and the horticultural plants should facilitate molecular studies of these crops.

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Abbreviations

C:

DNA content of the unreplicated haploid chromosome complement

CRBC:

chicken red blood cells

CE:

chemical extraction

FC:

flow cytometry

FMD:

Feulgen microdensitometry

RK:

reassociation kinetics

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An erratum to this article is available at http://dx.doi.org/10.1007/BF02672016.

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Arumuganathan, K., Earle, E.D. Nuclear DNA content of some important plant species. Plant Mol Biol Rep 9, 208–218 (1991). https://doi.org/10.1007/BF02672069

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