Tissue culture-induced genetic and epigenetic alterations in rice pure-lines, F1 hybrids and polyploids.

Abstract excerpt

BACKGROUND: Genetic and epigenetic alterations can be invoked by plant tissue culture, which may result in heritable changes in phenotypes, a phenomenon collectively termed somaclonal variation. Although extensive studies have been conducted on the molecular nature and spectrum of tissue culture-induced genomic alterations, the issue of whether and to what extent distinct plant genotypes, e.g., pure-lines,...

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