{"id":70560,"date":"2026-11-14T23:54:50","date_gmt":"2026-11-14T15:54:50","guid":{"rendered":"https:\/\/www.biocloudservice.com\/wordpress\/?p=70560"},"modified":"2026-11-14T23:54:50","modified_gmt":"2026-11-14T15:54:50","slug":"minimap2-transcript-splice-preset-intron-gap","status":"publish","type":"post","link":"https:\/\/www.biocloudservice.com\/wordpress\/minimap2-transcript-splice-preset-intron-gap\/","title":{"rendered":"minimap2 \u5b9e\u8dd1\uff5c\u540c\u4e00\u6761\u8f6c\u5f55\u672c\uff0c\u4e3a\u4ec0\u4e48\u65e2\u80fd\u6bd4\u51fa\u4e00\u4e2a\u5185\u542b\u5b50\uff0c\u4e5f\u80fd\u53d8\u6210\u4e24\u6761\u5206\u6bb5\u8bb0\u5f55\uff1f"},"content":{"rendered":"<div class=\"ysx-method-guide\" style=\"max-width:820px;min-width:0;margin:0 auto;color:#26374a;line-height:1.86;overflow-wrap:anywhere\">\n<p>\u957f\u8bfb\u957f\u8f6c\u5f55\u7ec4\u91cc\u4e00\u6761\u8bfb\u6bb5\u4ece\u4e00\u4e2a\u5916\u663e\u5b50\u8de8\u5230\u53e6\u4e00\u4e2a\u5916\u663e\u5b50\uff0c\u6d4f\u89c8\u5668\u6709\u65f6\u753b\u6210\u8de8\u5185\u542b\u5b50\u7684\u957f\u7ebf\uff0c\u6709\u65f6\u53ea\u7ed9\u51fa\u4e24\u4e2a\u5355\u72ec\u7684\u6bd4\u5bf9\u5757\u3002\u4e24\u5757\u90fd\u4e25\u4e1d\u5408\u7f1d\u5730\u843d\u5728\u6b63\u786e\u7684\u4f4d\u7f6e\uff0c\u6bd4\u5bf9\u8d28\u91cf\u4e5f\u5f88\u9ad8\u3002\u8fd9\u65f6\u662f\u51fa\u73b0\u4e86\u65b0\u7684\u878d\u5408\uff0c\u8fd8\u662f\u628a\u8f6c\u5f55\u672c\u6309\u57fa\u56e0\u7ec4\u8bfb\u6bb5\u6bd4\u4e86\u4e00\u904d\uff1f\u53ef\u4ee5\u5148\u8bbe\u8ba1\u4e00\u4e2a\u7b54\u6848\u5df2\u77e5\u7684\u526a\u63a5\u4f4d\u70b9\uff0c\u628a\u540c\u4e00\u6761\u5e8f\u5217\u53ea\u6539\u6bd4\u5bf9\u53c2\u6570\u9001\u5165 minimap2\uff0c\u770b\u770b\u4e24\u79cd\u663e\u793a\u5404\u9700\u8981\u4ec0\u4e48\u6761\u4ef6\u3002\u8fd9\u4e2a\u7ec3\u4e60\u4e5f\u80fd\u8bf4\u660e\uff0c\u505a\u878d\u5408\u6216\u65b0\u5f02\u6784\u4f53\u7b5b\u9009\u4e4b\u524d\uff0c\u4e3a\u4ec0\u4e48\u5e94\u8be5\u5148\u8fd8\u539f\u4e00\u6761\u5206\u5b50\u7684\u5168\u90e8\u6bd4\u5bf9\u3002<a style=\"color:#265681;text-decoration:underline;text-underline-offset:2px\" href=\"https:\/\/github.com\/lh3\/minimap2\">minimap2 \u4f5c\u8005\u7684\u7528\u6cd5\u8bf4\u660e<\/a><\/p>\n<h2 style=\"font-size:1.38em;line-height:1.5;margin:1.55em 0 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minimap2 \u751f\u6210 SAM \u5e76\u5199\u51fa\u78b1\u57fa\u5dee\u5f02\u6807\u7b7e\u3002\u4ece\u6587\u4ef6\u91cc\u9010\u5217\u8bfb\u53d6\u8d77\u70b9\u3001\u6807\u5fd7\u4f4d\u3001\u6bd4\u5bf9\u8d28\u91cf\u3001\u64cd\u4f5c\u4e32\u548c\u7f16\u8f91\u8ddd\u79bb\uff0c\u907f\u514d\u53ea\u51ed\u6d4f\u89c8\u5668\u7f29\u653e\u540e\u7684\u753b\u6cd5\u5224\u65ad\u3002<\/p>\n<h2 style=\"font-size:1.38em;line-height:1.5;margin:1.55em 0 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class=\"guide-table\" style=\"max-width:100%;overflow-x:auto;margin:18px 0\">\n<table style=\"display:table;width:100%;max-width:100%;min-width:0;table-layout:fixed;border-collapse:collapse;font-size:.92em;line-height:1.6\">\n<thead>\n<tr>\n<th scope=\"col\" style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;background:#eef7ff;color:#1e293b;vertical-align:top;text-align:left;padding:6px;border:1px solid #c4cfdb\">\u8fd0\u884c\u65b9\u5f0f<\/th>\n<th scope=\"col\" style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;background:#eef7ff;color:#1e293b;vertical-align:top;text-align:right;padding:6px;border:1px solid #c4cfdb\">\u6bcf\u4e2a\u8bfb\u540d\u7684\u8bb0\u5f55\u6570<\/th>\n<th scope=\"col\" style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;background:#eef7ff;color:#1e293b;vertical-align:top;text-align:left;padding:6px;border:1px solid #c4cfdb\">\u4e3b\u8bb0\u5f55<\/th>\n<th scope=\"col\" style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;background:#eef7ff;color:#1e293b;vertical-align:top;text-align:left;padding:6px;border:1px solid #c4cfdb\">\u8865\u5145\u8bb0\u5f55<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\">\u57fa\u56e0\u7ec4 <code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">map-ont<\/code><\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb;text-align:right\">2<\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\"><code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">480S520M<\/code><\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\"><code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">480M520H<\/code><\/td>\n<\/tr>\n<tr>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\">\u526a\u63a5 <code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">splice<\/code><\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb;text-align:right\">1<\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\"><code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">480M6000N520M<\/code><\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\">\u65e0<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\">\u526a\u63a5\u4f46\u9650\u5b9a <code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">-G 1000<\/code><\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb;text-align:right\">2<\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\"><code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">480S520M<\/code><\/td>\n<td style=\"white-space:normal;overflow-wrap:anywhere;word-break:normal;padding:6px;vertical-align:top;border:1px solid #c4cfdb\"><code style=\"white-space:normal;overflow-wrap:anywhere;word-break:break-word;font-size:.88em\">480M520H<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<figure class=\"guide-figure\" style=\"margin:24px 0 28px\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/2026\/11\/minimap2-transcript-splice-preset-intron-gap-guide.png\" alt=\"\u4e00\u6761\u5206\u5b50\u6709\u51e0\u4e2a\u6bd4\u5bf9\u3002\u540c\u4e00\u6bb5\u6210\u719f\u8f6c\u5f55\u672c\u6362\u4e09\u4e2a\u53c2\u6570\u7ec4\u5408\uff0c\u6bd4\u5bf9\u8d28\u91cf\u59cb\u7ec8\u4e3a 60\u3002\u57fa\u56e0\u7ec4\u9884\u8bbe\uff0c\u4e24\u4e2a\u8bb0\u5f55\uff0c\u4e3b\u6bd4\u5bf9 520 bp\uff0c\u8865\u5145\u6bd4\u5bf9 480 bp\u3002\u526a\u63a5\u9884\u8bbe\uff0c\u4e00\u4e2a\u8bb0\u5f55\uff0c480M6000N520M \u8de8\u63a5\u4e24\u4e2a\u5916\u663e\u5b50\u3002\u9650\u5236\u95f4\u9694\uff0c\u91cd\u56de\u4e24\u4e2a\u8bb0\u5f55\uff0c\u5f53\u6700\u5927\u53c2\u8003\u95f4\u9694\u4e3a 1000\uff0c6000 bp \u63a5\u5934\u6d88\u5931\u3002\" width=\"1200\" height=\"840\" style=\"display:block;width:100%;height:auto;border-radius:10px\"><figcaption style=\"font-size:14px;line-height:1.6;margin:9px 2px 0;color:#475569\">\u540c\u4e00\u6bb5\u6210\u719f\u8f6c\u5f55\u672c\u6362\u4e09\u4e2a\u53c2\u6570\u7ec4\u5408\uff0c\u6bd4\u5bf9\u8d28\u91cf\u59cb\u7ec8\u4e3a 60\u3002<\/figcaption><\/figure>\n<p>\u4e24\u4e2a\u5916\u663e\u5b50\u7684\u652f\u6301\u4e5f\u4e0d\u80fd\u4ec5\u7528\u57fa\u56e0\u603b\u8bfb\u6570\u4ee3\u66ff\u3002\u53ea\u843d\u5728\u7b2c\u4e8c\u4e2a\u5916\u663e\u5b50\u91cc\u7684\u53e6\u4e00\u6761\u8bfb\u6bb5\u4f1a\u589e\u52a0\u5b83\u7684\u8986\u76d6\uff0c\u5374\u6ca1\u6709\u7a7f\u8fc7\u63a5\u5934\u3002\u505a\u7ed3\u679c\u8868\u65f6\uff0c\u5728\u63a5\u5934\u4e24\u4fa7\u5206\u522b\u8bbe\u7f6e\u6700\u5c0f\u951a\u5b9a\u957f\u5ea6\uff0c\u5e76\u6ce8\u660e\u540c\u4e00\u5206\u5b50\u5728\u540c\u4e00\u63a5\u5934\u53ea\u8ba1\u4e00\u6b21\uff0c\u8fd9\u6837\u6709\u6548\u652f\u6301\u6570\u624d\u53ef\u4ee5\u4e0e\u8986\u76d6\u5ea6\u56fe\u5bf9\u7167\u3002<\/p>\n<h2 style=\"font-size:1.38em;line-height:1.5;margin:1.55em 0 .55em;color:#182d43\">\u5b9e\u8dd1\u7ecf\u9a8c\uff5c\u4e00\u4e2a\u6700\u5927\u95f4\u9694\u5c31\u80fd\u8ba9\u526a\u63a5\u8fde\u63a5\u6d88\u5931<\/h2>\n<pre style=\"max-width:100%;box-sizing:border-box;overflow-x:auto;margin:18px 0;padding:14px 16px;background:#f3f6fa;color:#1a293c;border:1px solid #d8e1ea;border-radius:8px;line-height:1.55;white-space:pre;overflow-wrap:normal;word-break:normal\"><code class=\"language-bash\">minimap2 -t 1 -a --cs=short -x map-ont ref.fa reads.fa &gt; genomic.sam\r\nminimap2 -t 1 -a --cs=short -x splice ref.fa reads.fa &gt; splice.sam\r\nminimap2 -t 1 -a --cs=short -x splice -G 1000 ref.fa reads.fa &gt; limited.sam\r\nsamtools view splice.sam | cut -f1-6\r\n<\/code><\/pre>\n<p>\u7b2c\u4e09\u8f6e\u4ecd\u7136\u542f\u7528\u526a\u63a5\u6a21\u5f0f\uff0c\u968f\u540e\u628a\u5141\u8bb8\u7684\u6700\u5927\u53c2\u8003\u95f4\u9694\u6539\u4e3a\u4e00\u5343\u3002\u771f\u5b9e\u8bbe\u8ba1\u7684\u95f4\u9694\u662f\u516d\u5343\uff0c\u7ed3\u679c\u53c8\u62c6\u6210\u4e24\u6bb5\uff0c\u6b63\u53cd\u4e24\u4e2a\u8bfb\u540d\u5f97\u5230\u76f8\u540c\u7684\u8bb0\u5f55\u6570\u53d8\u5316\u3002\u4e09\u7ec4\u8fd0\u884c\u4e2d\uff0c\u51fa\u73b0\u5728\u7ed3\u679c\u91cc\u7684\u6bd4\u5bf9\u8d28\u91cf\u59cb\u7ec8\u662f\u516d\u5341\u3002\u8fd9\u4e2a\u5206\u6570\u9ad8\uff0c\u53ef\u4ee5\u548c\u201c\u4e24\u4e2a\u5916\u663e\u5b50\u662f\u5426\u88ab\u540c\u4e00\u6761\u6bd4\u5bf9\u4e32\u8fde\u63a5\u8d77\u6765\u201d\u540c\u65f6\u68c0\u67e5\uff0c\u4f46\u5b83\u672c\u8eab\u6ca1\u6709\u7ed9\u51fa\u751f\u7269\u5b66\u7ed3\u6784\u7684\u7b54\u6848\u3002\u771f\u6838\u7269\u79cd\u7684\u5185\u542b\u5b50\u957f\u5ea6\u5206\u5e03\u4e0d\u540c\uff0c\u9009\u4e0a\u9650\u65f6\u53ef\u4ee5\u5148\u4ece\u53ef\u9760\u6ce8\u91ca\u63d0\u53d6\u957f\u5ea6\u5206\u5e03\uff0c\u518d\u6311\u77ed\u3001\u4e2d\u3001\u957f\u51e0\u4e2a\u5df2\u77e5\u63a5\u5934\u505a\u6d4b\u8bd5\u3002\u628a\u53c2\u6570\u8bbe\u7f6e\u4fdd\u5b58\u5728\u8fd0\u884c\u65e5\u5fd7\u91cc\uff0c\u6bd4\u4e8b\u540e\u53ea\u62ff\u4e00\u4efd\u5df2\u6392\u5e8f\u7684\u6587\u4ef6\u89e3\u91ca\u6f0f\u68c0\u5bb9\u6613\u5f97\u591a\u3002<a style=\"color:#265681;text-decoration:underline;text-underline-offset:2px\" href=\"https:\/\/lh3.github.io\/minimap2\/minimap2.html\">minimap2 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