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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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초록· 키워드
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Fourier Transform Infrared (FTIR) spectroscopy was used to study carbon allocation patterns in response to N-starvation in the nearly ubiquitous diatom Chaetoceros muellerii. The role of gene expression, protein synthesis and transamination on the organic composition of cells was tested by using specific inhibitors. The results show that inhibition of key processes in algal metabolism influence the macromolecular composition of cells and and prior cell nutritional state can influence a cell's response to changing nutrient availability. The allocation of C can thus lead to different organic composition depending on the nutritional context, with obvious repercussions for the trophic web. This also shows that C allocation in algal cells is highly flexible and that C (and the energy associated with its allocation) can be variably and rapidly partitioned in algal cells in response to relatively short term perturbations. Furthermore, the data confirm and extend the utility of infrared spectroscopy as a probe of the metabolic state of autotrophic cells.
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참고문헌 (27)
참고문헌 신청
Allen, A. E / 2011 / Evolution and metabolic significance of the urea cycle in photosynthetic diatoms / Nature 473:203~207
Allen, A. E / 2006 / An ecological and evolutionary context for integrated nitrogen metabolism and related signaling pathways in marine diatoms / Curr. Opin. Plant Biol 9:264~273
Blank, G. S / 1986 / Diatom mineralization of silicic acid. VIII. Metabolic requirements and the timing of protein synthesis / J. Phycol 22:382~389
Falkowski, P. G / 2007 / Aquatic photosynthesis / Princeton University Press :488
Fanesi, A / 2014 / Growth rate affects the responses of the green alga Tetraselmis suecica to external perturbations / Plant Cell Environ 37:512~519
Allen, A. E / 2006 / An ecological and evolutionary context for integrated nitrogen metabolism and related signaling pathways in marine diatoms / Curr. Opin. Plant Biol 9:264~273
Blank, G. S / 1986 / Diatom mineralization of silicic acid. VIII. Metabolic requirements and the timing of protein synthesis / J. Phycol 22:382~389
Falkowski, P. G / 2007 / Aquatic photosynthesis / Princeton University Press :488
Fanesi, A / 2014 / Growth rate affects the responses of the green alga Tetraselmis suecica to external perturbations / Plant Cell Environ 37:512~519
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