Turpeinen T, Kulmala J, Nevo E
Agricultural Research Centre of Finland, Plant Production Research, Crops and Soil, Jokioinen.
Genome. 1999 Dec;42(6):1094-9. doi: 10.1139/g99-066.
Populations of wild barley, Hordeum spontaneum (C. Koch), originating from 10 ecologically and geographically different sites in Israel, were assessed for genome size. Measurements were obtained by flow cytometry using propidium iodide staining. Genome sizes ranged from 9.35 to 9.81 pg. Variance analysis indicated a significant difference between populations. Genome sizes were positively correlated with mean January temperature. Our results corroborate previous findings of intraspecific variation in genome size from different plant species. The positive correlations between climate and genome size suggest that the latter is adaptive and determined by natural selection.
对源自以色列10个生态和地理条件不同地点的野生大麦（Hordeum spontaneum (C. Koch)）种群进行了基因组大小评估。通过使用碘化丙啶染色的流式细胞术获得测量结果。基因组大小范围为9.35至9.81皮克。方差分析表明种群之间存在显著差异。基因组大小与1月份平均温度呈正相关。我们的结果证实了先前关于不同植物物种基因组大小种内变异的研究发现。气候与基因组大小之间的正相关表明，基因组大小具有适应性，是由自然选择决定的。
