A patched1 gene homologue participates in female differentiation of Cynoglossus semilaevis
文献类型： 外文期刊
作者： Qi, Qian 1 ; Dong, Zhongdian 3 ; Zhang, Ning 3 ; Shao, Changwei 2 ; Xu, Wenteng 2 ;
作者机构： 1.Henan Univ Sci & Technol, Luoyang 471000, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Lab Marine Fisheries Sci & Food Prod Proc, Pilot Natl Lab Marine Sci & Technol, Qingdao 260071, Peoples R China
3.Guangdong Ocean Univ, Guangdong South China Sea Key Lab Aquaculture Aqua, Zhanjiang 524088, Peoples R China
关键词： Cynoglossus semilaevis; ptch1 x1; Expression analysis; Gonadal differentiation
期刊名称：GENE EXPRESSION PATTERNS （ 影响因子：1.488； 五年影响因子：1.438 ）
ISSN： 1567-133X
年卷期： 2022 年 45 卷
页码：
收录情况： SCI
摘要： Patched (Ptch) is a receptor in the hedgehog signaling pathway, essential for animal development. Our previous study showed that ptch1 gene participates in the maintenance of the male germline and spermatogenesis in Cynoglossus semilaevis (csptch1). In this study, we identified a patched1 gene homolog (csptch1 x1). The csptch1 x1 gene is 5761 bp long, with a 4638 bp coding sequence that encodes 1545 amino acids. The Csptch1 x1 protein has 12 transmembrane regions and sterol-sensing domains and is highly homologous to the csptch1 (91 amino acids difference). Expression pattern analysis showed that csptch1 x1 is expressed in eight different tissues of adult tongue sole, and the expression is significantly higher in tissues of female than that in male tissues. The expression pattern in developmental stages was also analyzed. csptch1 x1 could be detected at the 1-cell stage and was highly expressed at the blastocyst, somite, and blastopore closing stages, implying that it participates in cell differentiation. In ovarian development, the expression of csptch1 x1 was initiated at 20 days after hatching (dah) and was significantly high at 35-50 and 95-150 dah. In situ hybridization showed that csptch1 x1 was predominantly expressed in primordial germ cells, oocytes, and follicular cells, but the expression of the gene was lower in the testis. These results suggest that csptch1 x1 may be mainly involved in female differentiation and ovarian development, different from the role of csptch1 in spermatogenesis.
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