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 of Arabidopsis. 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 as Arabidopsis; 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. © 1991 Kluwer Academic Publishers.
CITATION STYLE
Arumuganathan, K., & Earle, E. D. (1991). Nuclear DNA content of some important plant species. Plant Molecular Biology Reporter, 9(3), 208–218. https://doi.org/10.1007/BF02672069
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