The GISH with self-genomic DNA was compared with FISH with Cot-1 DNA in rice, and their signal patterns are found to be basically consistent.

• 研究结果表明，自身基因组原位杂交信号实际上反映了基因组重复DNA序列对染色体的杂交，因而自身基因组原位杂交技术是显示植物基因组中重复DNA聚集区在染色体上的分布以及与重复DNA相关联的染色质分化的有效方法。