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果蝇中葡萄糖脱氢酶基因的发育表达。

Developmental expression of the glucose dehydrogenase gene in Drosophila melanogaster.

作者信息

Cox-Foster D L, Schonbaum C P, Murtha M T, Cavener D R

机构信息

Department of Molecular Biology, Vanderbilt University, Nashville, Tennessee 37235.

出版信息

Genetics. 1990 Apr;124(4):873-80. doi: 10.1093/genetics/124.4.873.

Abstract

The Gld gene of Drosophila melanogaster is transiently expressed during every stage of development. The temporal pattern of Gld expression is highly correlated with that of ecdysteroids. Exogeneous treatment of third instar larvae with 20-hydroxyecdysone induces the accumulation of Gld mRNA in the hypoderm and anterior spiracular gland cells. During metamorphosis Gld is expressed in a variety of tissues derived from the ectoderm. In the developing reproductive tract, Gld mRNA accumulates in the female spermathecae and oviduct and in the male ejaculatory duct and ejaculatory bulb. These four organs are derived from closely related cell lineages in the genital imaginal disc. Since the expression of Gld is not required for the development of these reproductive structures, this spatial pattern of expression is most likely a fortuitous consequence of a shared regulatory factor in this cell lineage. At the adult stage a high level of the Gld mRNA is only observed in the male ejaculatory duct.

摘要

黑腹果蝇的Gld基因在发育的每个阶段都有短暂表达。Gld表达的时间模式与蜕皮类固醇的时间模式高度相关。用20-羟基蜕皮酮对外源处理三龄幼虫会诱导Gld mRNA在皮下和前气门腺细胞中积累。在变态过程中,Gld在源自外胚层的多种组织中表达。在发育中的生殖道中,Gld mRNA在雌性受精囊和输卵管以及雄性射精管和射精球中积累。这四个器官源自生殖成虫盘中密切相关的细胞谱系。由于Gld的表达对于这些生殖结构的发育不是必需的,这种空间表达模式很可能是该细胞谱系中共享调节因子的偶然结果。在成虫阶段,仅在雄性射精管中观察到高水平的Gld mRNA。

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Evolution of the glucose dehydrogenase gene in Drosophila.果蝇中葡萄糖脱氢酶基因的进化
Mol Biol Evol. 1990 Mar;7(2):155-77. doi: 10.1093/oxfordjournals.molbev.a040592.

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Biphasic expression and function of glucose dehydrogenase in Drosophila melanogaster.
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