Title : Drosophila ZIP13 is posttranslationally regulated by iron-mediated stabilization.

Pub. Date : 2019 Sep

PMID : 31229649






15 Functional Relationships(s)
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1 Drosophila ZIP13 is posttranslationally regulated by iron-mediated stabilization. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
2 Drosophila ZIP13 (dZIP13, CG7816/ZIP99C) belongs to the SLC39A family and is connected to iron homeostasis in the fruit fly. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
3 Drosophila ZIP13 (dZIP13, CG7816/ZIP99C) belongs to the SLC39A family and is connected to iron homeostasis in the fruit fly. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
4 Drosophila ZIP13 (dZIP13, CG7816/ZIP99C) belongs to the SLC39A family and is connected to iron homeostasis in the fruit fly. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
5 In this study, we show that dZIP13 level is strongly regulated by iron. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
6 In addition to a mild response to iron at the mRNA level, dZIP13 is strongly regulated at the protein level. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
7 This posttranslational regulation by iron also happens when dZIP13 is expressed in the yeast Saccharomyces cerevisiae. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
8 Iron functions to stabilize dZIP13. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
9 Domain-swapping experiments between dZIP7 (CG10449/ Catsup) and dZIP13 suggest that the N-terminus of dZIP13 is necessary to mediate this iron regulatory process. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
10 Domain-swapping experiments between dZIP7 (CG10449/ Catsup) and dZIP13 suggest that the N-terminus of dZIP13 is necessary to mediate this iron regulatory process. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
11 Mutations of these potential iron binding sites at the N-terminus, as well as a likely iron binding site at the C-terminus of dZIP13, completely abolish the iron-dependent upregulation in the yeast and the fruit fly. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
12 Mutations of these potential iron binding sites at the N-terminus, as well as a likely iron binding site at the C-terminus of dZIP13, completely abolish the iron-dependent upregulation in the yeast and the fruit fly. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
13 Iron-responsiveness of dZIP13 is consistent with its key role in iron homeostasis. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
14 Iron-responsiveness of dZIP13 is consistent with its key role in iron homeostasis. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster
15 We speculate that this process of dZIP13 regulation, and that of IRE/IRP-controlled ferritin production, work together to better cope with iron repletion in the fly. Iron Zinc/iron regulated transporter-related protein 99C Drosophila melanogaster