Detection of Alien Genes and Analysis of their Integration Position in Transgenic Rice by Fluorescence in situ Hybridization.

概要

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Using fluorescence in situ hybridization (FISH), we localized transferred barnase-psl and pHctinG DNA sequences onto chromosomes in a group of rice transgenic plants cotransformed by microprojectile bombardment. In all of the tested rice transgenic lines, the detected cells showed 1-3 signal spots and they were located in the central and terminal regions of chromosome arms. The signals of both barnase-psl and pHctinG genes were mostly detected in close contact on chromosomes, which could not be resolved without using two-color in situ hybridization. In a few cells, the signals were separated from each other for barnase-psl and pHctinG.
日本育種学会の論文