文献类型： 外文期刊
作者： Wang, Xiao Chun 1 ; Liu, Ziguang 2 ; Jin, Li Hua 1 ;
作者机构： 1.Northeast Forestry Univ, Coll Life Sci, Harbin 150040, Heilongjiang, Peoples R China
2.Heilongjiang Acad Agr Sci, Harbin 150040, Heilongjiang, Peoples R China
关键词： BMP pathway; GPR155; CG7510; Wing veins; p-Mad
期刊名称：EUROPEAN JOURNAL OF CELL BIOLOGY （ 影响因子：4.492； 五年影响因子：3.807 ）
ISSN： 0171-9335
年卷期： 2018 年 97 卷 4 期
页码：
收录情况： SCI
摘要： G protein-coupled receptors play particularly important roles in many organisms. The novel Drosophila gene anchor is an orthologue of vertebrate GPR155. However, the roles of anchor in molecular functions and biological processes, especially in wing development, remain unknown. Knockdown of anchor resulted in an increased wing size and additional and thickened veins. These abnormal wing phenotypes were similar to those observed in BMP signalling gain-of-function experiments. We observed that the BMP signalling indicator p-Mad was significantly increased in wing discs in which anchor RNAi was induced in larvae and accumulated abnormally in intervein regions in pupae. Furthermore, the expression of target genes of the BMP signalling pathway was examined using a lacZ reporter, and the results indicated that degrees nib and sal were substantially increased in anchor-knockdown wing discs. An investigation of genetic interactions between Anchor and the BMP signalling pathway revealed that the thickened and ectopic vein tissues were rescued by knocking down BMP levels. These results suggested that Anchor functions to negatively regulate BMP signalling during wing development and vein formation.
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