Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
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alsfakia@gmail.com

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Σάββατο 17 Ιουνίου 2017

Molecular cloning and mRNA expression pattern of Sox4 in Paramisgurnus dabryanus

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Publication date: Available online 16 June 2017
Source:Gene Expression Patterns
Author(s): Xiaohua Xia, Ruyan Wan, Weiran Huo, Linxia Zhang, Xiaopei Xia, Zhongjie Chang
Sox4 belonged to the SoxC subfamily of the Sox family, which play important roles in the development of the vertebrate gonad and nervous system. A Sox4 homologue was cloned from brain of Paramisgurnus dabryanus by using homologous cloning and rapid amplification of cDNA ends (RACE), designated as PdSox4. The full-length cDNA was 2163bp, containing the 759bp 5'-untranslated region, 267bp 3'-untranslated region and encoding a putative protein of 378 amino acids with a characteristic high mobility group box (HMG-box) DNA-binding domain of 79 amino acids with the specific motif (RPMNAFMVW). Alignment and phylogenetic analyses indicated that PdSox4 shares highly identical sequence with Sox4 homologues from different species. The signal peptide analysis predicted that PdSox4 is a non-secretory protein. The hydropathy profile of PdSox4 protein revealed that this protein is hydrophilic in nature. The expression profiles of PdSox4 in different developmental stages and various adult tissues of sexs were analyzed by quantitative real-time RT-PCR (qRT-PCR) and In situ hybridization (ISH). The results showed that PdSox4 was ubiquitously expressed during embryogenesis and various adult tissues, especially in central nervous system. Tissue distribution analyses revealed that PdSox4 was expression in developing germ cells. Taken together, these preliminary findings suggested that PdSox4 is highly conserved during vertebrate evolution and involved in a wide range of developmental processes including embryogenesis, neurogenesis and gonad development.



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