| 序号 | 英文主题词 | 中文主题词 | 命中文献数量（篇） |
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| 期刊 | 博硕士论文 | 会议论文 | 报纸 | 年鉴 | 成果 | 专利 | 国家标准 | 行业标准 | 标准 | 总计 | | 2461 | DNA Mutational Analysis | DNA突变分析 | 155 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 161 | | 2462 | DNA Topoisomerases | DNA拓扑异构酶类 | 922 | 90 | 95 | 10 | 4 | 2 | 8 | 0 | 0 | 0 | 1131 | | 2463 | DNA Topoisomerases, Type I, Archaeal | DNA拓扑异构酶, Ⅰ型, 古细菌 | 59 | 3 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | | 2464 | DNA Topoisomerases, Type I, Bacterial | DNA拓扑异构酶, Ⅰ型, 细菌 | 59 | 3 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | | 2465 | DNA Topoisomerases, Type I, Eukaryotic | DNA拓扑异构酶, Ⅰ型, 真核细胞 | 59 | 3 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | | 2466 | DNA Topoisomerases, Type II, Archaeal | DNA拓扑异构酶, Ⅱ型, 古细菌 | 284 | 19 | 19 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 326 | | 2467 | DNA Topoisomerases, Type II, Bacterial | DNA拓扑异构酶, Ⅱ型, 细菌 | 284 | 19 | 19 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 326 | | 2468 | DNA Topoisomerases, Type II, Eukaryotic | DNA拓扑异构酶, Ⅱ型, 真核细胞 | 284 | 19 | 19 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 326 | | 2469 | DNA Topoisomerase IV | DNA拓扑异构酶Ⅳ | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | | 2470 | DNA Restriction Enzymes | DNA限制酶类 | 2100 | 104 | 197 | 2 | 3 | 3 | 0 | 0 | 0 | 0 | 2409 | | 2471 | DNA Restriction-Modification Enzymes | DNA限制修饰酶类 | 2360 | 171 | 233 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | 2777 | | 2472 | DNA Repair | DNA修复 | 1438 | 233 | 172 | 23 | 8 | 17 | 2 | 0 | 0 | 0 | 1893 | | 2473 | DNA Repair Enzymes | DNA修复酶类 | 165 | 15 | 23 | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 210 | | 2474 | DNA Repair-Deficiency Disorders | DNA修复缺陷障碍 | 895 | 43 | 50 | 33 | 29 | 5 | 0 | 0 | 0 | 0 | 1055 | | 2475 | DNA Modification Methylases | DNA修饰甲基酶类 | 260 | 66 | 37 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 367 | | 2476 | DNA Sequence, Unstable | DNA序列, 不稳定 | 206 | 7 | 6 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 225 | | 2477 | DNA Primase | DNA引发酶 | 20 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 23 | | 2478 | DNA Primers | DNA引物 | 2597 | 163 | 321 | 2 | 4 | 5 | 1 | 0 | 0 | 0 | 3093 | | 2479 | DNA Fingerprinting | DNA指纹法 | 1537 | 133 | 200 | 118 | 23 | 14 | 0 | 0 | 0 | 0 | 2025 | | 2480 | DNA Tumor Viruses | DNA肿瘤病毒 | 10886 | 686 | 682 | 384 | 76 | 114 | 45 | 1 | 0 | 2 | 12877 |
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