{"id":354,"date":"2012-08-13T14:31:57","date_gmt":"2012-08-13T14:31:57","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=354"},"modified":"2026-02-25T20:33:47","modified_gmt":"2026-02-25T20:33:47","slug":"quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\/","title":{"rendered":"Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong)"},"content":{"rendered":"<p>It is now well documented that next-generation sequencing (NGS) can generate several millions or even dozens of millions of genetic variation data. As a consequence, these genetic variation data are so densely distributed across the genome that the genetic variation can be modeled as a function of genomic location. But, standard multivariate statistical analysis often fails with functional data. The emergence of NGS demands a paradigm shift in the analytic methods for QTL(eQTL) analysis from standard single-variate or multivariate data analysis to functional data analysis. We propose a functional linear model (FLM) as a general analytic platform for testing the association of the entire allelic spectrum of genetic variation with a quantitative trait. Simulations and real data analysis show that the FLM can substantially outperform many exiting statistics for QTL analysis with NGS data. The FLM is expected to open a new route for QTL analysis. (<a href=\"http:\/\/jmg.bmj.com\/content\/49\/8\/513.abstract?etoc\">http:\/\/jmg.bmj.com\/content\/49\/8\/513.abstract?etoc<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It is now well documented that next-generation sequencing (NGS) can generate several millions or even dozens of millions of genetic variation data. As a consequence, these genetic variation data are so densely distributed across the genome that the genetic variation can be modeled as a function of genomic location. But, standard multivariate statistical analysis often [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-354","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"It is now well documented that next-generation sequencing (NGS) can generate several millions or even dozens of millions of genetic variation data. As a consequence, these genetic variation data are so densely distributed across the genome that the genetic variation can be modeled as a function of genomic location. But, standard multivariate statistical analysis often [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2012-08-13T14:31:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T20:33:47+00:00\" \/>\n<meta name=\"author\" content=\"hqqu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HuiQiQu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hqqu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong)\",\"datePublished\":\"2012-08-13T14:31:57+00:00\",\"dateModified\":\"2026-02-25T20:33:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\\\/\"},\"wordCount\":171,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\\\/\",\"name\":\"Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong) - 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His research applies human genetics and multi-omics to complex and pediatric diseases, including GWAS, polygenic risk scores (PRS), single-cell transcriptomics, and integrative genomics to support precision medicine and clinical translation.\",\"sameAs\":[\"https:\\\/\\\/x.com\\\/HuiQiQu\"],\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/author\\\/hqiqu\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong) - JMG Contact blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/quantitative-trait-locus-analysis-for-next-generation-sequencing-with-the-functional-linear-models\/","og_locale":"en_US","og_type":"article","og_title":"Quantitative trait locus analysis for next-generation sequencing with the functional linear models (Contributed by Dr. Momiao Xiong) - JMG Contact blog","og_description":"It is now well documented that next-generation sequencing (NGS) can generate several millions or even dozens of millions of genetic variation data. 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