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Relation between hydrogen production and photosynthesis in the green algae Chlamydomonas reinhardtii
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Biology Education Centre.
2015 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The modernized world is over-consuming low-cost energy sources that strongly contributes to pollution and environmental stress. As a consequence, the interest for environmentally friendly alternatives has increased immensely. One such alternative is the use of solar energy and water as a raw material to produce biohydrogen through the process of photosynthetic water splitting. In this work, the relation between H2-production and photosynthesis in the green algae Chlamydomonas reinhardtii was studied with respect to three main aspects: the establishment of prolonged H2-production, the involvement of PSII in H2-production and the electron pathways associated with PSII during H2-production. For the first time, this work reveals that PSII plays a crucial role throughout the H2-producing phase in sulfur deprived C. reinhardtii. It further reveals that a wave-like fluorescence decay kinetic, before only seen in cyanobacteria, is observable during the H2-producing phase in sulfur deprived C. reinhardtii, reflecting the presence of cyclic electron flows also in green algae. 

Place, publisher, year, edition, pages
UPTEC X, 15 002
Keyword [en]
Bioenergy, biotechnology, solar fuels, hydrogen production
National Category
URN: urn:nbn:se:uu:diva-242624OAI: diva2:784345
Educational program
Molecular Biotechnology Engineering Programme
Available from: 2015-01-29 Created: 2015-01-29 Last updated: 2015-01-29Bibliographically approved

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