Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous

Martinez-Moya P, Watt SA, Niehaus K, Alcaino J, Baeza M, Cifuentes V (2011)
BMC Microbiology 11(1).

Journal Article | Published | English

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Abstract
Background: The yeast Xanthophyllomyces dendrorhous is used for the microbiological production of the antioxidant carotenoid astaxanthin. In this study, we established an optimal protocol for protein extraction and performed the first proteomic analysis of the strain ATCC 24230. Protein profiles before and during the induction of carotenogenesis were determined by two-dimensional polyacrylamide gel electrophoresis and proteins were identified by mass spectrometry. Results: Among the approximately 600 observed protein spots, 131 non-redundant proteins were identified. Proteomic analyses allowed us to identify 50 differentially expressed proteins that fall into several classes with distinct expression patterns. These analyses demonstrated that enzymes related to acetyl-CoA synthesis were more abundant prior to carotenogenesis. Later, redox-and stress-related proteins were up-regulated during the induction of carotenogenesis. For the carotenoid biosynthetic enzymes mevalonate kinase and phytoene/squalene synthase, we observed higher abundance during induction and/or accumulation of carotenoids. In addition, classical antioxidant enzymes, such as catalase, glutathione peroxidase and the cytosolic superoxide dismutases, were not identified. Conclusions: Our results provide an overview of potentially important carotenogenesis-related proteins, among which are proteins involved in carbohydrate and lipid biosynthetic pathways as well as several redox-and stress-related proteins. In addition, these results might indicate that X. dendrorhous accumulates astaxanthin under aerobic conditions to scavenge the reactive oxygen species (ROS) generated during metabolism.
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Martinez-Moya P, Watt SA, Niehaus K, Alcaino J, Baeza M, Cifuentes V. Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous. BMC Microbiology. 2011;11(1).
Martinez-Moya, P., Watt, S. A., Niehaus, K., Alcaino, J., Baeza, M., & Cifuentes, V. (2011). Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous. BMC Microbiology, 11(1).
Martinez-Moya, P., Watt, S. A., Niehaus, K., Alcaino, J., Baeza, M., and Cifuentes, V. (2011). Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous. BMC Microbiology 11.
Martinez-Moya, P., et al., 2011. Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous. BMC Microbiology, 11(1).
P. Martinez-Moya, et al., “Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous”, BMC Microbiology, vol. 11, 2011.
Martinez-Moya, P., Watt, S.A., Niehaus, K., Alcaino, J., Baeza, M., Cifuentes, V.: Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous. BMC Microbiology. 11, (2011).
Martinez-Moya, Pilar, Watt, Steven Alexander, Niehaus, Karsten, Alcaino, Jennifer, Baeza, Marcelo, and Cifuentes, Victor. “Proteomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous”. BMC Microbiology 11.1 (2011).
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Proteomic and metabolomic analysis of the carotenogenic yeast Xanthophyllomyces dendrorhous using different carbon sources.
Martinez-Moya P, Niehaus K, Alcaino J, Baeza M, Cifuentes V., BMC Genomics 16(), 2015
PMID: 25887121

51 References

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