• HUIJUN ZHANG

      Articles written in Journal of Genetics

    • Clinical and genetic characterization of six cases with complete androgen insensitivity syndrome in China

      JING HE SHUWU QI HUIJUN ZHANG JINGJING GUO SHU CHEN QI ZHANG BAOSHENG ZHU

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      Themutations of androgen receptor (AR) gene are the most common cause for complete androgen insensitivity syndrome (CAIS). We aimed to characterize the six cases enrolled in our hospital (the First People’s Hospital of Yunnan, China) and explore the molecular mechanism of CAIS. Between 2010 and 2013, six female cases were enrolled in our hospital for the agenesis of secondary sexual characteristics. The clinical examinations such as sex hormone test and B ultrasound were performed and the genetic characterization of patients were evaluated by karyotype analysis, polymerase chain reaction and DNA sequencing. The six cases with 46, XY karyotype were diagnosed with CAIS and four novel AR mutations were discovered, which were responsible forChinese CAIS. The molecular study of the AR gene facilitated the understanding of the mechanism of CAIS and provided the genetic counselling clinically.

    • Molecular cloning and functional characterization of CmFT (FLOWERING LOCUS T) from Cucumis melo L.

      HUIJUN ZHANG YAN ZHANG

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      CmFT homologous gene in muskmelon was obtained by homologous cloning, introducing CmFT gene by Agrobacterium mediated transformation. The results of subcellular localization showed that CmFT protein was expressed in cytoplasm and nucleus. qRTPCR results showed that the expression levels of AtLFY, AtFT, AtCO, AtFLC, AtSOC1 and AtAP1 were upregulated in the 35S::MeFT Arabidopsis line. The CmFT gene was introduced into wild-type Arabidopsis by Agrobacterium-mediated transformation, and the growth status of T2 transgenic Arabidopsis thaliana and wild-type A. thaliana was observed. The results showed that wild-type Arabidopsis began to bolt on the 25th day after sowing, we can initially confirm that the FT gene of melon can promote the early flowering of melon in thegrowth and development of melon.

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