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Isolation and polymorphic frequency detection of a novel STR on human chromosome 14q24.3

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Chinese Science Bulletin

Abstract

A single copy fragment (FD14-ca 1) cantaining 22 CA repetitive units was isolated with (CA)15 oligonucleotide probe from a human chromosome 14q24.3 probe pool generated by microdissection, and proved to be a new short tandem repeat (STR) sequence through querying in GenBank of NCBI. The STR has 11 alleles in Chinese. and its polymorphic information content (PIC) is 0.85. Mendelian segregation was shown in 2 Chinese pedigrees with two generations; This STR has been accurately relocalized on chromosome 14q24.3 by fluorescencein situ hybridization (FISH). The accession numbers of this STR in GDB and Gnknk database are D14S1435 and G31413 respectively. This STR would be able to be regarded as a novel genetic marker which can increase the genetic map accuracy in this chromosome region and improve the gene diagnosis on some genetic diseases located in chromosome 14q24.3 band.

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Authors and Affiliations

  1. Fudan University, State Key Laboratory of Genetic Engineering, Institute of Genetics, 200433, Shanghai, China

    Zhang Min, Yu Longa, Zheng Qi**, Hu Peirong, Sun **yuan & Zhao Shouyuan

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  1. Zhang Min
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  2. Yu Longa
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  3. Zheng Qi**
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  4. Hu Peirong
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  5. Sun **yuan
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  6. Zhao Shouyuan
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Min, Z., Longa, Y., Qi**, Z. et al. Isolation and polymorphic frequency detection of a novel STR on human chromosome 14q24.3. Chin. Sci. Bull. 43, 319–322 (1998). https://doi.org/10.1007/BF02884547

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  • DOI: https://doi.org/10.1007/BF02884547

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