Mismatch Repair Protein Msh6Tt Is Necessary for Nuclear Division and Gametogenesis in Tetrahymena thermophila
Abstract
:1. Introduction
2. Results
2.1. Characterization of MSH6Tt in T. thermophila
2.2. Msh6Tt-3HA Localizes in the MIC and MAC during Vegetative Growth and Starvation
2.3. Msh6Tt-3HA Localizes in the MIC and New MAC during Conjugation
2.4. MSH6Tt Knockout Affects Nuclear Divisions during the Vegetative Growth Stage
2.5. MSH6Tt Knockout Hinders Micronuclear Meiosis and Gametic Selection during the Sexual Development Stage
2.6. Msh6Tt Interacts with Msh2Tt and MMR-Independent Factors
2.7. Msh2Tt Maintains the Stability of Msh6Tt
2.8. Expression of Redundant MSH6Tt Family Genes
3. Discussion
4. Materials and Methods
4.1. Cell Growth and Conjugation
4.2. Identification of Msh6Tt
4.3. Construction of Msh6Tt-3HA Mutants
4.4. Immunofluorescent Localization
4.5. Construction of MSH6Tt-Knockout Mutants
4.6. Synchronization of Cell Division
4.7. qRT-PCR Analysis
4.8. Nuclear Development
4.9. Coimmunoprecipitation and Mass Spectrometry (Co-IP-MS)
4.10. Protein–Protein Docking
4.11. Western Blot Analysis
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Gene Model Identifier | Gene Name | GO_Term |
---|---|---|
TTHERM_00372688 | - | hypothetical protein |
TTHERM_00268040 | NUP185 | |
TTHERM_00112690 | - | |
TTHERM_00047280 | - | |
TTHERM_00941540 | RAB11B (RAB GTPase 11B) | GTPase activity |
TTHERM_00079520 | GTU1 (Gamma-TUbulin 1) | Microtubule nucleation |
TTHERM_01289180 | - | Integral component of membrane |
TTHERM_00355660 | - | |
TTHERM_000079948 | - | |
TTHERM_01099050 | RRM53 (RNA recognition motif-containing protein 53) | RNA binding |
TTHERM_01076960 | - | mRNA processing |
TTHERM_00085290 | - | Oxidoreductase activity |
TTHERM_00194810 | MSH6 | Mismatch repair |
TTHERM_00295920 | MSH2 | |
TTHERM_00418100 | - | P28 protein |
TTHERM_00357080 | - | Superoxide dismutase |
Gene Model Identifier and Standard Name | GO_Term |
---|---|
TTHERM_00295920_MSH2 | Mismatch repair |
TTHERM_00194810_MSH6 | |
TTHERM_00772030 | Protein modification and processing |
TTHERM_00043890 | |
TTHERM_00622710 | Oxidation-reduction process |
TTHERM_00151470 | |
TTHERM_00387080 | Cation transport/metabolic process |
TTHERM_00245100_TPA1 | |
TTHERM_01276420_DYH3 | Microtubule-based movement |
TTHERM_00849320 | Small GTPase mediated signal transduction |
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Wang, L.; Yang, S.; Xue, Y.; Bo, T.; Xu, J.; Wang, W. Mismatch Repair Protein Msh6Tt Is Necessary for Nuclear Division and Gametogenesis in Tetrahymena thermophila. Int. J. Mol. Sci. 2023, 24, 17619. https://doi.org/10.3390/ijms242417619
Wang L, Yang S, Xue Y, Bo T, Xu J, Wang W. Mismatch Repair Protein Msh6Tt Is Necessary for Nuclear Division and Gametogenesis in Tetrahymena thermophila. International Journal of Molecular Sciences. 2023; 24(24):17619. https://doi.org/10.3390/ijms242417619
Chicago/Turabian StyleWang, Lin, Sitong Yang, Yuhuan Xue, Tao Bo, Jing Xu, and Wei Wang. 2023. "Mismatch Repair Protein Msh6Tt Is Necessary for Nuclear Division and Gametogenesis in Tetrahymena thermophila" International Journal of Molecular Sciences 24, no. 24: 17619. https://doi.org/10.3390/ijms242417619