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

Pongpadung, Piyawat; Liu, Jianguo; Yokthongwattana, Kittisak; Techapinyawat, Sombun; Juntawong, Niran

doi:10.2306/scienceasia1513-1874.2015.41.097

Cited by 24 publications

(14 citation statements)

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“…The other studies have determined that the genus Chlorella and the genus Chlamydomonas are of significant interest for their high biohydrogen productivity under conditions of nutrient deficiency. Notably, Chlorella sorokiniana KU204 could produce up to 1.3 mL of H 2 L -1 h -1 under N-limitation conditions and when using TAP-S medium (PongPaDung et al, 2015), Chlamydomonas reinhardtii presented 4.3 mL of H 2 L -1 h -1 when TAP-S medium was used (LaurinaviChene et al, 2006), while C. reinhardtii cc124 showed up to 12.5 mmol of H 2 mg Chl a -1 h -1 under the same conditions (Kosourov & seiBert, 2009). However, the levels of hydrogen production in this study have not been optimized yet.…”

Section: Resultsmentioning

confidence: 99%

“…Helium gas was used as the carrier gas during hydrogen analysis. Hydrogen production was calculated in terms of the amount of hydrogen evolved per chlorophyll content per time (µmol H 2 mg Chl a -1 h -1 ) (maneeruttanarungroj et al, 2010;rameshPraBu et al, 2015). The percentage difference between H 2 production using JM-S and TAP-S was calculated through the use of the following equation:…”

Section: Measurement Of Biohydrogen Productionmentioning

confidence: 99%

“…KMITL-01, Scenedesmus sp., Tetraspora sp. CU2551, and some green algae obtained from rice paddy fields (maneeruttanarungroj et al, 2010;rattana et al, 2010;PongPaDung et al, 2015;rameshPraBu et al, 2015;PhoLChan et al, 2017) is of significant interest. Most of these processes have only focused on hydrogen production under mixotrophic or heterotrophic conditions.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of hydrogen production in microalgae under autotrophic and mixotrophic media

Duangjan

Nakkhunthod

Pekkoh

et al. 2017

Botanica Lithuanica

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Duangjan K., Nakkhunthod W., Pekkoh J., Pumas C., 2017: Comparison of hydrogen production in microalgae under autotrophic and mixotrophic media. -Bot.Lith., 23(2): 169-177.Hydrogen is an alternative source of energy of considerable interest, because it is environmentally friendly. Biological hydrogen production processes involving green microalgae are of significant interest. However, until present only few microalgae genera have been studied and almost all of those studies have focused only on cultivation using mixotrophic or heterotrophic media, which are expensive, and can be easily contaminated. This study aimed to compare the potential of biohydrogen production from novel green microalgae under autotrophic and mixotrophic media. A total of ninety strains of six orders of green microalgae were investigated for their capabilities of hydrogen production. The results showed that eleven novel hydrogen-producing microalgae genera were found. The hydrogen production in each order was influenced by the medium. Moreover, several strains presented notable levels of autotrophic hydrogen production and performed at over twice of the mixotrophic medium. These results should be supportive information for the selection and cultivation of hydrogen-producing microalgae in further studies.

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Section: Resultsmentioning

confidence: 99%

Section: Measurement Of Biohydrogen Productionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of hydrogen production in microalgae under autotrophic and mixotrophic media

Duangjan

Nakkhunthod

Pekkoh

et al. 2017

Botanica Lithuanica

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“…CORE-2 forms a monophyletic clade with Coelastrella accessions reported as hydrogen producers (Pongpadung et al 2015). Considering the absence of structures on the cell wall, it was not possible suggest taxonomic identity.…”

Section: Discussionmentioning

confidence: 98%

Molecular phylogeny and morphologic data of strains of the genus <em>Coelastrella</em> (Chlorophyta, Scenedesmaceae) from a tropical region in North America (Yucatan Peninsula)

et al. 2017

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Background: Scenedesmaceae family exhibits great morphological variability. High phenotypic plasticity and the presence of cryptic species have resulted in taxonomic re-assignments of Scenedesmaceae members. Study strains: Strains CORE-1, CORE-2 and CORE-3 were characterized. Study site: Yucatan Peninsula Methods: Morphological analyses were executed by optical and scanning electron microscopy. Phylogenetic relationships were examined by ITS-2 and ITS1-5.8S-ITS2 rDNA regions. Results: Optical and scanning electron microscopy analyses indicated spherical to ellipsoidal cells and autospore formation correspond to members of the family Scenedesmaceae, as well as observable pyrenoid starch plates. Detailed morphology analysis indicated that CORE-1 had visible granulations dispersed on the cell wall, suggesting identity with Verrucodesmus verrucosus. However CORE-1 did not show genetic relations with this species, and was instead clustered close to the genus Coelastrella. CORE-2 did not show any particular structure or ornamentation, but it did show genetic relations with Coelastrella with good support. CORE-3 showed meridional ribs from end to end, one of them forked and well pronounced, and orange cells in older cultures characteristic of Coelastrella specimens. Phylogenetic trees of ITS-2 and ITS1-5.8S-ITS2 rDNA sequences indicated with good support that all strains were related to the genus Coelastrella despite their morphologic differences. Conclusions: This study reports freshwater Coelastrella strains from a tropical region in North America (Yucatan Peninsula) for the first time. The results contribute to knowledge of for the first time. The results contribute to knowledge of Coelastrella species, and the fact that they do not always show structures that are useful for taxonomic assignment, probably as a result of phenotypic plasticity.

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“…We therefore provide only a basic overview of this area and focus instead on the key stumbling blocks and their potential for the overall viability of the technology. While most of this physiology has been studied in the chlorophyte alga Chlamydomonas reinhardtii, other species are also known to produce hydrogen and is assumed that much of the physiology is common to all H 2 -producing algae which possess Fe-Fe hydrogenases, including Tetraselmis [42], lichens [43], Chlorella [44], Micractinium sp., Coelastrella sp., and Monoraphidium [45].…”

Section: Photosynthetic Biohydrogen Is Limited By a Lack Of Basic Knomentioning

confidence: 98%

Prospects for Photobiological Hydrogen as a Renewable Energy

Ross

Oey²,

Stephens³

et al. 2016

CBIOT

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BACKGROUND: Hydrogen is a clean, versatile fuel and energy carrier which can be produced by a range of renewable technologies for combustion, use in fuel cells, or as a manufacturing feedstock. Despite its attraction and significant technological innovation, commercial feasibility of photobiological hydrogen processes is far from demonstrated. OBJECTIVE: This review examines direct photobiological biohydrogen systems, with a particular focus on the main obstacles that must be overcome to deliver commercially viable, net energy positive systems. As part of this process the interactions between future photobiological biohydrogen systems and other parts of a renewable energy economy are examined to analyse potential technology integration paths. RESULTS: The primary driver for renewably produced hydrogen is the potential for CO 2 emissions reductions. Renewable hydrogen is largely solar driven, either directly (e.g. natural photosynthesis, or bio-inspired devices) or indirectly (e.g. fermentation, electrical hydrolysis). A significant market for hydrogen already exists and is supported by extensive infrastructure providing significant opportunities for emerging renewable hydrogen streams. Several key physiological obstacles to efficient photobiohydrogen production have already been overcome, with oxygen tolerance as the most significant remaining problem. CONCLUSIONS: A much deeper understanding of photosynthetic biology is required before existing knowledge can be integrated with real world systems. Cross-fertilisation between engineering and biology represents the best path forward for implementation as a robust biotechnology.

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

Cited by 24 publications

References 25 publications

Comparison of hydrogen production in microalgae under autotrophic and mixotrophic media

Comparison of hydrogen production in microalgae under autotrophic and mixotrophic media

Molecular phylogeny and morphologic data of strains of the genus <em>Coelastrella</em> (Chlorophyta, Scenedesmaceae) from a tropical region in North America (Yucatan Peninsula)

Prospects for Photobiological Hydrogen as a Renewable Energy

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