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F1 家系 · 全基因组关联

天然橡胶含量 GWAS

GLM 与 MLM 的关联结果、模型诊断和数据下载。

126 F11,109,918 SNPTK1151含量(%)

GLM:PC1–PC3;MLM:PC1–PC3与标准化亲缘矩阵。结果解释限于本F1家系。

当前模型的全基因组结果

MLM Manhattan plot

红虚线为固定探索性筛选阈值:−log10(P)=4,即P≤1×10⁻⁴;灰点线为1/M提示阈值。候选位点和候选基因采用固定4阈值,未做置换经验校准。

1,109,918 有效检验;固定4筛选位点 236;Bonferroni 0;FDR≤0.05 46下载图中全部结果 TSV.gz

查看固定4筛选位点 · 查看原Bonferroni参考图

QQ 图与模型统计MLM QQ plot

λ = 1.031;全基因组阈值 P ≤ 4.5e-08。

本轮MLM已收敛,但亲缘随机效应方差接近零边界。该结果不能用于断言性状无遗传基础,需结合家系设计和稳健性检查解释。 V(G)=1e-05;V(e)=4.3028。

筛选关联统计

当前筛选 236 条下载当前筛选 TSV
位点位置(bp)效应等位基因nβPFDR q最近基因
TK1151:6:91279448:T:CChr06:91,279,448C1262.9665.15e-080.0463TkA06G368510
TK1151:2:115973518:A:TChr02:115,973,518T126-4.1822.18e-070.0463TkA02G455250
TK1151:8:70383246:A:CChr08:70,383,246C1263.1452.32e-070.0463TkA08G270160
TK1151:4:4042389:T:AChr04:4,042,389A1261.7026.78e-070.0463TkA04G016310
TK1151:7:74767437:C:TChr07:74,767,437T1267.3327.1e-070.0463TkA07G297620
TK1151:2:41556449:A:GChr02:41,556,449G1261.9887.11e-070.0463TkA02G162070
TK1151:7:74767452:G:AChr07:74,767,452A1267.3127.61e-070.0463TkA07G297620
TK1151:2:130028214:A:CChr02:130,028,214C126-10.041.43e-060.0463TkA02G506880
TK1151:2:41555288:C:TChr02:41,555,288T1261.9681.53e-060.0463TkA02G162070
TK1151:5:45231414:C:TChr05:45,231,414T126-3.8751.56e-060.0463TkA05G177450
TK1151:1:99932398:G:AChr01:99,932,398A126-9.9961.59e-060.0463TkA01G400290
TK1151:1:18040053:C:TChr01:18,040,053T126-9.9881.62e-060.0463TkA01G070550
TK1151:3:75945291:A:GChr03:75,945,291G126-9.9821.65e-060.0463TkA03G308830
TK1151:3:75945301:A:TChr03:75,945,301T126-9.9821.65e-060.0463TkA03G308830
TK1151:5:62735099:C:GChr05:62,735,099G126-9.9791.66e-060.0463TkA05G252240
TK1151:7:24731449:C:TChr07:24,731,449T126-9.9771.66e-060.0463TkA07G094780
TK1151:1:18040068:C:AChr01:18,040,068A126-9.9771.67e-060.0463TkA01G070550
TK1151:1:112651177:T:CChr01:112,651,177C126-9.9761.67e-060.0463TkA01G449580
TK1151:4:56548315:C:TChr04:56,548,315T126-9.9771.67e-060.0463TkA04G222210
TK1151:1:30661804:C:TChr01:30,661,804T126-9.9691.69e-060.0463TkA01G121250
TK1151:1:64093009:A:CChr01:64,093,009C126-9.9691.69e-060.0463TkA01G254100
TK1151:2:19562145:G:CChr02:19,562,145C1269.9691.69e-060.0463TkA02G075560
TK1151:2:30564354:A:CChr02:30,564,354C126-9.9691.69e-060.0463TkA02G117290
TK1151:2:53377534:G:AChr02:53,377,534A1269.9691.69e-060.0463TkA02G209120
TK1151:3:110564088:A:GChr03:110,564,088G1269.9691.69e-060.0463TkA03G443530

β为每个效应等位基因对应的含量百分点变化。表格筛选不改变上方全基因组图。

分析方法、来源与使用范围

材料来自一个F1家系。表型采用论文公开的天然橡胶含量平均值;VCF为本站对CRA009020原始序列重比对和变异检测的结果。材料对应依据为精确且唯一的测序reads统计,论文原bin编码的一致性仍待核实。结果用于本家系探索性关联,候选需独立材料验证。

8条染色体双等位SNP;剔除子代间GT剂量不变的位点;GT深度≥5;位点缺失≤10%;MAF≥0.05;样本缺失≤15%;不做F1的HWE筛选。GLM按位点使用完整基因型记录;MLM按软件默认处理少量缺失GT。最近基因只表示位置关系;原发表标记区间不是完整QTL置信区间。

Yang et al., 2023已发表QTL方法与版本数值核验分析流程与来源后续分析方案