Thirteen moderately to highly informative microsatellite DNA polymorphisms based on (dC-dA)n.(dG-dT)n repeats were mapped to segments of human chromosome 5 using both linkage analysis and a panel of somatic cell hybrids which contained rearranged chromosomes. The markers were distributed throughout most of the length of the chromosome from the regions p15.3-p15.1 to q33.3-qter. Maps of the sites of meiotic recombination within the reference families proved particularly useful for the purpose of integrating new polymorphisms into the existing linkage map.
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Triple mosaic variants of PURA in a patient with multiple congenital anomalies.
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Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan.
In monogenic diseases, double mosaic variants of the same gene have rarely been identified. Here, we report the case of triple mosaic variants in PURA, a gene responsible for a neurodevelopmental syndrome (OMIM# 616158). Whole-exome sequencing identified three somatic PURA variants in our case with a similar neurodevelopmental syndrome: NM_005859.
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