K. Marciniak, COMPARISON OF NUCLEAR-PROTEIN SH DNA RATIO IN SPECIES DIFFERING IN 2CDNA CONTENT AND DYNAMICS OF DNA ENDOREPLICATION, Folia histochemica et cytobiologica, 31(1), 1993, pp. 47-48
Double fluorescence staining with o-phthalaldehyde (OPT) and propidium
diiodide (PI) was applied to measure the nuclear protein SH/DNA ratio
in species differing in 2C DNA content. It has been shown that protei
n SH/DNA ratio decreases along with the increase in 2C DNA content. In
endosperm, this ratio is higher than in meristematic nuclei of the sa
me species.