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Role of the inositol polyphosphate kinase Vip1 in autophagy and pathogenesis in Candida albicans

    Tianyu Ma

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    ,
    Qilin Yu

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    ,
    Congcong Ma

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    ,
    Xiaolong Mao

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    ,
    Yingzheng Liu

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    ,
    Xueling Peng

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    &
    Mingchun Li

    *Author for correspondence:

    E-mail Address: nklimingchun@163.com

    Key Laboratory of Molecular Microbiology & Technology, Ministry of Education, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, PR China

    Published Online:https://doi.org/10.2217/fmb-2019-0298

    Aim: Inositol polyphosphate kinases are involved in regulation of many cellular processes in eukaryotic cells. In this study, we investigated the functions of the inositol polyphosphate kinase Vip1 in autophagy and pathogenicity of Candida albicans. Results: Loss of Vip1 caused significantly increased sensitivity to nitrogen source starvation, abnormal localization and degradation of autophagy protein, higher vacuolar pH and higher (rather than lower) intracellular ATP levels compared with control strains. Besides, the mutant showed attenuated hyphal development and virulence during systemic infection to mice. Conclusion: The results reveal that Vip1 is important to autophagy of C. albicans. The maintenance of vacuolar acidic pH contributed to the role of Vip1 in autophagy. Vip1 is also required for pathogenicity of C. albicans.

    Papers of special note have been highlighted as: •• of considerable interest

    References

    • 1. Boer VM, Crutchfield CA, Bradley PH et al. Growth-limiting intracellular metabolites in yeast growing under diverse nutrient limitations. Mol. Biol. Cell 21(1), 198–211 (2010).
    • 2. Wundenberg T, Mayr GW. Synthesis and biological actions of diphosphoinositol phosphates (inositol pyrophosphates), regulators of cell homeostasis. Biol. Chem. 393(9), 979–998 (2012).
    • 3. Passarino G, Rose G, Bellizzi D. Mitochondrial function, mitochondrial DNA and ageing: a reappraisal. Biogerontology 11(5), 575–588 (2010).
    • 4. Saiardi A, Resnick AC, Snowman AM et al. Inositol pyrophosphates regulate cell death and telomere length through phosphoinositide 3-kinase-related protein kinases. Proc. Natl Acad. Sci. USA 102(6), 1911–1914 (2005).
    • 5. York SJ, Armbruster BN, Greenwell P et al. Inositol diphosphate signaling regulates telomere length. J. Biol. Chem. 280(6), 4264–4269 (2005).
    • 6. Bakkenist CJ, Kastan MB. Initiating cellular stress responses. Cell 118(1), 9–17 (2004).
    • 7. Onnebo SM, Saiardi A. Inositol pyrophosphates modulate hydrogen peroxide signalling. Biochem. J. 423(1), 109–118 (2009).
    • 8. Jennifer P, Carmen R, Constanze S et al. The Vip1 inositol polyphosphate kinase family regulates polarized growth and modulates the microtubule cytoskeleton in fungi. PLoS. Genet. 10(9), 4586–4624 (2014). •• Uncovers that the modulation of microtubule dynamics was correlated to Vip1 kinase activity and inositol pyrophosphates were conserved in fungi biological processes.
    • 9. Streb H, Irvine RF, Berridge MJ, Schulz I. Release of Ca2+ from a nonmitochondrial intracellular store in pancreatic acinar cells by inositol-1,4,5-trisphosphate. Nature 306, 67–69 (1983).
    • 10. Putney JW Jr. The role of phosphoinositide metabolism in signal transduction in secretory cells. J. Exp. Biol. 139, 135–150 (1988).
    • 11. Saiardi A, Caffrey JJ, Snyder SH, Shears SB. Inositol polyphosphate multikinase (ArgRIII) determines nuclear mRNA export in Saccharomyces cerevisiae. FEBS Lett. 468(1), 28–32 (2000).
    • 12. Auesukaree C, Tochio H, Shirakawa M, Kaneko Y, Harashima S. Plc1p, Arg82p, and Kcs1p, enzymes involved in inositol pyrophosphate synthesis, are essential for phosphate regulation and polyphosphate accumulation in Saccharomyces cerevisiae. J. Biol. Chem. 280(26), 25127–25133 (2005).
    • 13. Hale AN, Ledbetter DJ, Gawriluk TR, Rucker EB. Autophagy: regulation and role in development. Autophagy 9(7), 951–972 (2013).
    • 14. Klionsky DJ, Ohsumi Y. Vacuolar import of proteins and organelles from the cytoplasm. Annu. Rev. Cell. Dev. Biol. 15, 1–32 (1999).
    • 15. Harding TM, Hefner-Gravink A, Thumm M, Klionsky DJ. Genetic and phenotypic overlap between autophagy and the cytoplasm to vacuole protein targeting pathway. J. Biol. Chem. 271(30), 17621–17624 (1996).
    • 16. Scott SV, Hefner - Gravink A, Morano KA, Noda T, Ohsumi Y, Klionsky DJ. Cytoplasm - to - vacuole targeting and autophagy employ the same machinery to deliver proteins to the yeast vacuole. Proc. Natl Acad. Sci. USA 93(22), 12304–12308 (1996).
    • 17. Ichimura Y, Kirisako T, Takao T et al. A ubiquitin-like system mediates protein lipidation. Nature 408(6811), 488–492 (2000).
    • 18. Kirisako T, Ichimura Y, Okada H et al. The reversible modification regulates the membrane binding state of Apg8/Aut7 essential for autophagy and the cytoplasm to vacuole targeting pathway. J. Cell Biol. 151(2), 263–276 (2000).
    • 19. Kirisako T, Baba M, Ishihara N et al. Formation process of autophagosome is traced with Apg8/Aut7p in yeast. J. Cell Biol. 147(2), 435–446 (1999).
    • 20. Stromhaug PE, Reggiori F, Guan J, Wang CW, Klionsky DJ. Atg21 is a phosphoinositide binding protein required for efficient lipidation and localization of Atg8 during uptake of aminopeptidase I by selective autophagy. Mol. Biol. Cell 15(8), 3553–3566 (2004).
    • 21. Lev Sophie, Li Cecilia, Desmarini Desmarini et al. Fungal inositol pyrophosphate IP7 is crucial for metabolic adaptation to the host environment and pathogenicity. mBio 6(3), 531–546 (2015).
    • 22. Kihara A, Noda T, Ishihara N, Ohsumi Y. Two distinct Vps34 phosphatidylinositol 3-kinase complexes function in autophagy and carboxypeptidase Y sorting in Saccharomyces cerevisiae. J. Cell Biol. 152(3), 519–530 (2001).
    • 23. Sarkar S, Floto RA, Berger Z et al. Lithium induces autophagy by inhibiting inositol monophosphatase. J. Cell Biol. 170(7), 1101–1111 (2005).
    • 24. Nagata E, Saiardi A, Tsukamoto H et al. Inositol hexakisphosphate kinases promote autophagy. Int. J. Biochem. Cell Biol. 42(12), 2065–2071 (2010).
    • 25. Sudbery PE. Growth of Candida albicans hyphae. Nat. Rev. Microbiol. 9(10), 737–748 (2011).
    • 26. Mayer FL, Wilson D, Hube B. Candida albicans pathogenicity mechanisms. Virulence 4(2), 119–128 (2013).
    • 27. Muller M, Reichert AS. Mitophagy, mitochondrial dynamics and the general stress response in yeast. Biochem. Soc. Trans. 39(5), 1514–1519 (2011).
    • 28. Chen H, Chan DC. Mitochondrial dynamics – fusion, fission, movement, and mitophagy – in neurodegenerative diseases. Hum. Mol. Genet. 18(2), 169–176 (2009).
    • 29. Wilson RB, Davis D, Mitchell AP. Rapid hypothesis testing with Candida albicans through gene disruption with short homology regions. J. Bacteriol. 181(6), 1868–1874 (1999).
    • 30. Wilson RB, Davis D, Mitchell AP. Rapid hypothesis testing with Candida albicans through gene disruption with short homology regions. J. Bacteriol. 181(6), 1868–1874 (1999).
    • 31. Martínez-Muñoz GA, Kane P. Vacuolar and plasma membrane proton pumps collaborate to achieve cytosolic pH homeostasis in yeast. J. Biol. Chem. 283(29), 20309–20319 (2008).
    • 32. Chang J, Qilin Y, Ning X et al. Role of TFP1 in vacuolar acidification, oxidative stress and filamentous development in Candida albicans. Fungal Genet. Biol. 71, 58–67 (2014). •• Shows that V-ATPase was essential for vacuolar function and C. albicans’ pathogenesis. The methods of filamentous growth assay and virulence assay in this study were helpful for our study.
    • 33. Brand A, MacCallum DM, Brown AJ, Gow NA, Odds FC. Ectopic expression of URA3 can influence the virulence phenotypes and proteome of Candida albicans but can be overcome by targeted reintegration of URA3 at the RPS10 locus. Eukaryot. Cell 3(4), 900–909 (2004).
    • 34. Thomas AV, Scott DE. A new vital stain for visualizing vacuolar membrane dynamics and endocytosis in yeast. J. Cell Biol. 128, 779–792 (1995).
    • 35. Miguel AP. Tracing the endocytic pathway of Aspergillus nidulans with FM4-64. Fungal. Genet. Biol. 12(42), 963–975 (2005).
    • 36. Pamela JP, Morris FM, Sergio G, Nicolas D. Alternative mechanisms of vacuolar acidification in H1 - ATPase - deficient Yeast. J. Biol. Chem. 274(52), 37270–37279 (1999).
    • 37. Theodore TD, Maureen T, Patricia MK. Measurement of vacuolar and cytosolic pH in vivo in yeast cell suspensions. J. Vis. Exp. 74, 50261–50273 (2013).
    • 38. Kanki T, Wang K, Klionsky DJ. A genomic screen for yeast mutants defective in mitophagy. Autophagy 6(2), 278–280 (2010).
    • 39. Baba M, Osumi M, Ohsumi Y. Analysis of the membrane structures involved in autophagy in yeast by freeze - replica method. Cell Struct. Funct. 20(6), 465–471 (1995).
    • 40. Baba M, Takeshige K, Baba N, Ohsumi Y. Ultrastructural analysis of the autophagic process in yeast: detection of autophagosomes and their characterization. J. Cell Biol. 124(6), 903–913 (1994).
    • 41. Yorimitsu T, Klionsky DJ. Autophagy: molecular machinery for self-eating. Cell. Death Differ. 12(Suppl. 2), 1542–1552 (2005).
    • 42. Johnson RG, Scarpa A. Internal pH of isolated chromaffin vesicles. J. Biol. Chem. 251(7), 2189–2191 (1976).
    • 43. Michaelson DM, Angel I. Determination of delta pH in cholinergic synaptic vesicles: its effect on storage and release of acetylcholine. Life Sci. 27(1), 39–44 (1980).
    • 44. Füldner HH, Stadler H. 31P-NMR analysis of synaptic vesicles. Status of ATP and internal pH. Eur. J. Biochem. 121(3), 519–524 (1982).
    • 45. Sambade M, Kane PM. The yeast vacuolar proton-translocating ATPase contains a subunit homologous to the Manduca sexta and bovine e subunits that is essential for function. J. Biol. Chem. 279(17), 17361–17365 (2004).
    • 46. Kane PM. The where, when, and how of organelle acidification by the yeast vacuolar H+-ATPase. Microbiol. Mol. Biol. Rev. 70(1), 177–191 (2006).
    • 47. Perzov N, Padler - Karavani V, Nelson H, Nelson N. Characterization of yeast V-ATPase mutants lacking Vph1p or Stv1p and the effect on endocytosis. J. Exp. Biol. 205(9), 1209–1219 (2002).
    • 48. Drummond DR, Cross RA. Dynamics of interphase microtubules in Schizosaccharomyces pombe. Curr. Biol. 10(13), 766–775 (2000).