engleski

Dynamics of plastid nocleoids changes in wild- and aurea-type leaves of Ligustrum ovalifolium Hassk. Var. Aureum

The changes in number, size, distribution and DNA content of plastid nucleoids in wild- and mutant-type leaves of an aurea variety of prvet (Ligustrum ovalifolium Hassk. var. aureum) were studied. Wild-type leaves did not show changes (in nucleoid number, size and distribution) induced by different light intensities. Mutant leaves responded to changes in light conditions by changes in colour. During yellowing of regreened aurea leaves and bleaching of yelow aurea leaves the number of plastid nucleoids decreased with concomitant increase of their volume in such a fasion that the total volume of nucleoids and the DNA content per plastid remained constant. No degradation of chloroplast DNA before and during yellowing and bleaching of aurea leaves was observed

chloroplasts; nucleoids; cpDNA

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