scholarly journals Stimulatory effect of ascorbate, the alternative electron donor of photosystem II, on the hydrogen production of sulphur-deprived Chlamydomonas reinhardtii

2012 ◽  
Vol 37 (10) ◽  
pp. 8864-8871 ◽  
Author(s):  
Valéria Nagy ◽  
Roland Tengölics ◽  
Gert Schansker ◽  
Gábor Rákhely ◽  
Kornél L. Kovács ◽  
...  
Energies ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 7170
Author(s):  
Eleftherios Touloupakis ◽  
Cecilia Faraloni ◽  
Ana Margarita Silva Benavides ◽  
Giuseppe Torzillo

It is well known that over the last 60 years the trend of long-lived greenhouse gas emissions have shown a strong acceleration. There is an increasing concern and a mounting opposition by public opinion to continue with the use of fossil energy. Western countries are presently involved in a so-called energy transition with the objective of abandoning fossil energy for renewable sources. In this connection, hydrogen can play a central role. One of the sustainable ways to produce hydrogen is the use of microalgae which possess two important natural catalysts: photosystem II and hydrogenase, used to split water and to combine protons and electrons to generate gaseous hydrogen, respectively. For about 20 years of study on photobiological hydrogen production, our scientific hopes were based on the application of the sulfur protocol, which indisputably represented a very important advancement in the field of hydrogen production biotechnology. However, as reported in this review, there is increasing evidence that this strategy is not economically viable. Therefore, a change of paradigm for the photobiological production of hydrogen based on microalgae seems mandatory. This review points out that an increasing number of microalgal strains other than Chlamydomonas reinhardtii are being tested and are able to produce sustainable amount of hydrogen without nutrient starvation and to fulfill this goal including the application of co-cultures.


2014 ◽  
Vol 26 (4) ◽  
pp. 1598-1611 ◽  
Author(s):  
Sabrina Grewe ◽  
Matteo Ballottari ◽  
Marcelo Alcocer ◽  
Cosimo D’Andrea ◽  
Olga Blifernez-Klassen ◽  
...  

2012 ◽  
Vol 116 (16) ◽  
pp. 4860-4870 ◽  
Author(s):  
Khem Acharya ◽  
Valter Zazubovich ◽  
Mike Reppert ◽  
Ryszard Jankowiak

2009 ◽  
Vol 34 (19) ◽  
pp. 7964-7970 ◽  
Author(s):  
Krishnan Vijayaraghavan ◽  
Rajendran Karthik ◽  
S.P. Kamala Nalini

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