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      Nitrogen and sulfur deprivation differentiate lipid accumulation targets of chlamydomonas reinhardtii

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      Author
      Cakmak, T.
      Angun P.
      Ozkan, A.D.
      Cakmak, Z.
      Olmez, T.T.
      Tekinay, T.
      Date
      2012
      Source Title
      Bioengineered
      Print ISSN
      19491018
      Volume
      3
      Issue
      6
      Pages
      343 - 346
      Language
      English
      Type
      Article
      Item Usage Stats
      126
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      82
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      Abstract
      Nitrogen (N) and sulfur (S) have inter-related and distinct impacts on microalgal metabolism; with N starvation having previously been reported to induce elevated levels of the biodiesel feedstock material triacylglycerol (TAG), while S deprivation is extensively studied for its effects on biohydrogen production in microalgae.1,2 We have previously demonstrated that N- and S-starved cells of Chlamydomonas reinhardtii display different metabolic trends, suggesting that different response mechanisms exist to compensate for the absence of those two elements.3 We used C. reinhardtii CC-124 mt(-) and CC-125 mt(+) strains to test possible metabolic changes related to TAG accumulation in response to N and S deprivation, considering that gamete differentiation in this organism is mainly regulated by N.4 Our findings contribute to the understanding of microalgal response to element deprivation and potential use of element deprivation for biodiesel feedstock production using microalgae, but much remains to be elucidated on the precise contribution of both N and S starvation on microalgal metabolism. © 2012 Landes Bioscience.
      Keywords
      Biodiesel
      Chlamydomonas reinhardtii
      Nitrogen
      Sulfur
      Triacylglycerol
      biodiesel
      nitrogen
      sulfur
      triacylglycerol
      article
      Chlamydomonas reinhardtii
      lipid storage
      microalga
      nonhuman
      starvation
      Biofuels
      Carotenoids
      Chlamydomonas reinhardtii
      Chlorophyll
      Lipid Metabolism
      Microalgae
      Microscopy, Electron, Transmission
      Microscopy, Fluorescence
      Mutation
      Nitrogen
      Photosynthesis
      Plant Proteins
      Starch
      Sulfur
      Triglycerides
      Chlamydomonas reinhardtii
      Permalink
      http://hdl.handle.net/11693/21287
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      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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