A newly isolated green alga, Tetraspora sp. CU2551, from Thailand with efficient hydrogen production

Maneeruttanarungroj, Cherdsak; Lindblad, Peter; Incharoensakdi, Aran

doi:10.1016/j.ijhydene.2010.08.096

Cited by 43 publications

(7 citation statements)

References 25 publications

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“…These results are in line with the previous study demonstrating that hydrogen production of Tetraspora sp. CU2551 increased with increasing external pH from 5.75 to 9.30 [28]. Similar relationships between the effects of the initial and external pH on hydrogen production have been reported by Wu and Lin [29].…”

Section: Effect Of Initial and External Ph On H 2 Productionsupporting

confidence: 84%

Enhancement of hydrogen production by the filamentous non-heterocystous cyanobacterium Arthrospira sp. PCC 8005

Raksajit

Satchasataporn

Lehto³

et al. 2012

International Journal of Hydrogen Energy

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Section: Effect Of Initial and External Ph On H 2 Productionsupporting

confidence: 84%

Enhancement of hydrogen production by the filamentous non-heterocystous cyanobacterium Arthrospira sp. PCC 8005

Raksajit

Satchasataporn

Lehto³

et al. 2012

International Journal of Hydrogen Energy

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“…PCC 6803 as model organisms, H 2 photoproduction has been observed in other algal species (Brand et al 1989;Boichenko et al 2004;Skjanes et al 2008;Timmins et al 2009;Wang et al 2011). It is interesting to notice that, instead of using sulfur deprivation, a large number of researchers cultivate algae under low light intensity in a sealed reactor, as an alternative method to induce anaerobiosis (Wang et al 2011;Maneeruttanarungroj et al 2010). Although very useful from a research point of view, such systems are incompatible with commercial applications, where decreases in light intensity require larger areas of cultivation which would increase capital and operational costs (James et al 2009;Hankamer et al 2007).…”

Section: Future Directionsmentioning

confidence: 99%

Implementation of photobiological H2 production: the O2 sensitivity of hydrogenases

Ghirardi

2015

Photosynth Res

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The search for the ultimate carbon-free fuel has intensified in recent years, with a major focus on photoproduction of H2. Biological sources of H2 include oxygenic photosynthetic green algae and cyanobacteria, both of which contain hydrogenase enzymes. Although algal and cyanobacterial hydrogenases perform the same enzymatic reaction through metallo-clusters, their hydrogenases have evolved separately, are expressed differently (transcription of algal hydrogenases is anaerobically induced, while bacterial hydrogenases are constitutively expressed), and display different sensitivity to O2 inactivation. Among various physiological factors, the sensitivity of hydrogenases to O2 has been one of the major factors preventing implementation of biological systems for commercial production of renewable H2. This review addresses recent strategies aimed at engineering increased O2 tolerance into hydrogenases (as of now mainly unsuccessful), as well as towards the development of methods to bypass the O2 sensitivity of hydrogenases (successful but still yielding low solar conversion efficiencies). The author concludes with a description of current approaches from various laboratories to incorporate multiple genetic traits into either algae or cyanobacteria to jointly address limiting factors other than the hydrogenase O2 sensitivity and achieve more sustained H2 photoproduction activity.

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“…Currently, green algae such as C. reinhardtii, Tetraspora sp. CU2551, and C. protothecoides have been preferred for H 2 photoproduction [6][7][8][9] . It is possible that other unknown green algal species may produce H 2 better than the reported strains.…”

Section: Introductionmentioning

confidence: 99%

Screening for hydrogen-producing strains of green microalgae in phosphorus or sulphur deprived medium under nitrogen limitation

Pongpadung¹,

Liu

Yokthongwattana³

et al. 2015

ScienceAsia

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Hydrogen gas, one of the best candidates for clean and renewable energy, can be produced by microalgae that can use solar energy to cause photolysis of water. This study screened H 2 -producing indigenous green microalgae under sulphur (S-) deprivation, simultaneous nitrogen (N-) limitation and S-deprivation, or simultaneous N-limitation and phosphorus (P-) deprivation. Sequences of 18S rDNA and ITS in conjunction with morphological characteristics were used to identify the algae. We report that Chlorella lewinii, Micractinium sp., Coelastrella sp., and Monoraphidium sp. have the ability to produce H 2 . The increase in H 2 photoproduction when N is limited seems to be a universal phenomenon in most tested strains of Chlorella, in all strains of Chlamydomonas, but in no strain of Coelastrella, Micractinium, or Scenedesmus. Chlorella sorokiniana KU204 produced H 2 (46 ml/l) under S-deprivation. This strain exhibited the highest H 2 -producing ability (1.30 ml l −1 h −1 ) and accumulated up to 90 ml/l under simultaneous N-limitation and S-deprivation. Interestingly, C. sorokiniana KU204 could also produce H 2 under simultaneous N-limitation and P-starvation (69 ml/l). The induction time to reach an anoxic state by most tested strains of Chlorella, but not Chlamydomonas, was shorter under simultaneous N-limitation and S-deprivation than under S-deprivation. In addition, those strains of Chlorella exhibited high H 2 photoproduction under simultaneous N-limitation and S-deprivation. A few Chlorella strains were unable to reach an anoxic state during the experiment. However, such regularity is not found in Chlamydomonas. The results indicate that the mechanism of H 2 photoproduction in Chlorella may differ from that in Chlamydomonas.

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A newly isolated green alga, Tetraspora sp. CU2551, from Thailand with efficient hydrogen production

Cited by 43 publications

References 25 publications

Enhancement of hydrogen production by the filamentous non-heterocystous cyanobacterium Arthrospira sp. PCC 8005

Enhancement of hydrogen production by the filamentous non-heterocystous cyanobacterium Arthrospira sp. PCC 8005

Implementation of photobiological H2 production: the O2 sensitivity of hydrogenases

Screening for hydrogen-producing strains of green microalgae in phosphorus or sulphur deprived medium under nitrogen limitation

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