Journal
PHOTOSYNTHETICA
Volume 53, Issue 4, Pages 625-629Publisher
SPRINGER
DOI: 10.1007/s11099-015-0128-z
Keywords
gene regulation; mass spectrometry; two-dimensional gel electrophoresis
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Funding
- Ministry of Trade, Industry Energy (MOTIE)
- Korea Institute for Advancement of Technology (KIAT)
- Honam Institute for Regional Program Evaluation through the Leading Industry Development for Economic Region
- Advanced Biomass R&D Center (ABC) of Korea - Ministry of Education, Science and Technology [ABC-2012M3A6A2055032]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2014R1A1A2055300]
- National Research Foundation of Korea [2014R1A1A2055300] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Previously, our data indicated that both cAMP and MAP kinase signaling play important roles in microalgal physiology as well as in lipid or carotenoid biosynthesis. In order to understand downstream genes of these signaling pathways, we employed proteomics approach. Both signal pathways were first altered with specific signaling inhibitors or modulators. Treatment of specific inhibitors changed microalgal size and increased lipid contents. With the microalgal cells after treatments of specific signaling inhibitor or modulators, we performed the proteomics analysis to identify downstream genes responsible for these phenotypes. Interestingly, multiple photosynthesis genes were identified, particularly proteins associated with PSII. Our data suggested that MAP kinase and cAMP signaling affect the photosynthesis, thereby leading to microalgal lipid or carotenoid biosynthesis.
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