Heterologous Expression of Full-Length and Truncated Human ZIP4 Zinc Transporter in Saccharomyces cerevisiae.

Heterologous Expression of Full-Length and Truncated Human ZIP4 Zinc Transporter in Saccharomyces cerevisiae.
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DOI:
10.3390/biom12050726
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发表时间:
2022-05-21
期刊:
影响因子:
5.5
通讯作者:
--
中科院分区:
生物学2区
文献类型:
--
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人(h)转运蛋白hZIP 4是肠道中主要的Zn 2+输入者。hZIP 4也在多种器官如胰腺和脑中表达。hZIP 4的功能障碍可导致Zn 2+缺乏性疾病肠病性肢端皮炎(AE)。AE可破坏消化和免疫系统的稳态。有限数量的hZIP 4表达策略阻碍了越来越多的知识,这种重要的跨膜蛋白。在这里,我们报告了hZIP 4在酿酒酵母中的异源表达。野生型和突变型S.将内源性Zn 2+转运蛋白缺失的酿酒酵母菌株用于测试hZIP 4-GFP融合蛋白的表达和定位。在酵母细胞质膜上发现了全长hZIP 4-GFP和截短的膜结构域蛋白(mhZIP 4-GFP)。
The human (h) transporter hZIP4 is the primary Zn2+ importer in the intestine. hZIP4 is also expressed in a variety of organs such as the pancreas and brain. Dysfunction of hZIP4 can result in the Zn2+ deficiency disease acrodermatitis enteropathica (AE). AE can disrupt digestive and immune system homeostasis. A limited number of hZIP4 expression strategies have hindered increasing knowledge about this essential transmembrane protein. Here, we report the heterologous expression of hZIP4 in Saccharomyces cerevisiae. Both a wild-type and a mutant S. cerevisiae strain, in which the endogenous Zn2+ transporters were deleted, were used to test the expression and localization of an hZIP4–GFP fusion protein. A full-length hZIP4–GFP and a truncated membrane-domain-only (mhZIP4–GFP) protein were observed to be present in the plasma membrane in yeast.
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