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Please use this identifier to cite or link to this item:
https://ir.csmu.edu.tw:8080/ir/handle/310902500/24363
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Title: | Establishment of tetracycline-regulated bimolecular fluorescence complementation assay to detect protein-protein interactions in Candida albicans |
Authors: | Lai, WC;Sun, HS;Shieh, JC |
Date: | 2020 |
Issue Date: | 2022-08-09T08:01:05Z (UTC)
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Publisher: | NATURE PUBLISHING GROUP |
ISSN: | 2045-2322 |
Abstract: | To visualize protein-protein interactions in Candida albicans with the bimolecular fluorescence complementation (BiFC) approach, we created a Tet-on system with the plasmids pWTN1 and pWTN2. Both plasmids bear a hygromycin B-resistant marker (CaHygB) that is compatible with the original Tet-on plasmid pNIM1, which carries a nourseothricin-resistant marker (CaSAT1). By using GFPmut2 and mCherry as reporters, we found that the two complementary Tet-on plasmids act synergistically in C. albicans with doxycycline in a dose-dependent manner and that expression of the fusion proteins, CaCdc11-GFPmut2 and mCherry-CaCdc10, derived from this system, is septum targeted. Furthermore, to allow detection of protein-protein interactions with the reassembly of a split fluorescent protein, we incorporated mCherry into our system. We generated pWTN1-RN and pNIM1-RC, which express the N-terminus (amino acids 1-159) and C-terminus (amino acids 160-237) of mCherry, respectively. To verify BiFC with mCherry, we created the pWTN1-CDC42-RN (or pWTN1-RN-CDC42) and pNIM1-RC-RDI1 plasmids. C. albicans cells containing these plasmids treated with doxycycline co-expressed the N- and C-terminal fragments of mCherry either N-terminally or C-terminally fused with CaCdc42 and CaRdi1, respectively, and the CaCdc42-CaRdi1 interaction reconstituted a functional form of mCherry. The establishment of this Tet-on-based BiFC system in C. albicans should facilitate the exploration of protein-protein interactions under a variety of conditions. |
URI: | http://dx.doi.org/10.1038/s41598-020-59891-7 https://www.webofscience.com/wos/woscc/full-record/WOS:000560378200007 https://ir.csmu.edu.tw:8080/handle/310902500/24363 |
Relation: | SCIENTIFIC REPORTS ,2020 ,v10 ,issue 1 |
Appears in Collections: | [researcher portal] Artical
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