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New cyanobacterial strains for biohydrogen production |
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| Affiliation: | 1. K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow 127276, Russia;2. Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia;3. Joint Institute for High Temperatures of the Russian Academy of Sciences, Laboratory for Hydrogen Energy Technologies, 125412 Izhorskaya St. 13 Bld. 2, Moscow, Russia;4. National Research University “Moscow Power Engineering Institute”, 111250 Krasnokazarmennaya 14, Moscow, Russia;5. Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan;6. Faculty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Turkey |
| Abstract: | Under certain conditions, cyanobacteria can switch from photosynthesis to hydrogen production, which is a good energy carrier. However, the biological diversity of hydrogen-releasing cyanobacteria has a great unexplored potential. This study is aimed to investigate the ability of new strains of cyanobacteria Cyanobacterium sp. IPPAS B-1200, Dolichospermum sp. IPPAS B-1213, and Sodalinema gerasimenkoae IPPAS B-353 to release H2 and to evaluate the effects of photosystem II inhibitor 3-(3,4-dichlorphenyl)-1,1-dimethylurea (DCMU) on H2 production under light and dark conditions. The results showed that cultures treated with DCMU produced several times more H2 than untreated cells. The highest rate of H2 photoproduction of 4.24 μmol H2 (mg Chl a h)?1 was found in a Dolichospermum sp. IPPAS B-1213 culture treated with 20 μM DCMU. |
| Keywords: | Cyanobacteria Biohydrogen production Hydrogenase Nitrogenase Biophotolysis Heterocyst Ar"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "_":"argon gas chlorophyll a DCMU"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"3-(3 4-dichlorophenyl)-1 1-dimethylurea DMSO"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "_":"dimethyl sulfoxide Fd"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"ferredoxin FDP"} {"#name":"keyword" "$":{"id":"kwrd0105"} "$$":[{"#name":"text" "_":"flavodiiron protein FNR"} {"#name":"keyword" "$":{"id":"kwrd0115"} "$$":[{"#name":"text" "_":"ferredoxin NAD(P) reductase hydrogenase hydrogen nitrogenase NAD(P)"} {"#name":"keyword" "$":{"id":"kwrd0155"} "$$":[{"#name":"text" "_":"nicotinamide adenine dinucleotide phosphate NAD(P)H"} {"#name":"keyword" "$":{"id":"kwrd0165"} "$$":[{"#name":"text" "_":"nicotinamide adenine dinucleotide phosphate hydrogen NDH-1"} {"#name":"keyword" "$":{"id":"kwrd0175"} "$$":[{"#name":"text" "_":"type 1 NAD(P)H dehydrogenase Ox"} {"#name":"keyword" "$":{"id":"kwrd0185"} "$$":[{"#name":"text" "_":"terminal oxidase PC"} {"#name":"keyword" "$":{"id":"kwrd0195"} "$$":[{"#name":"text" "_":"plastocyanin PQ"} {"#name":"keyword" "$":{"id":"kwrd0205"} "$$":[{"#name":"text" "_":"plastoquinone plastoquinol/plastoquinone PSI"} {"#name":"keyword" "$":{"id":"kwrd0225"} "$$":[{"#name":"text" "_":"photosystem I PSII"} {"#name":"keyword" "$":{"id":"kwrd0235"} "$$":[{"#name":"text" "_":"photosystem II SDH"} {"#name":"keyword" "$":{"id":"kwrd0245"} "$$":[{"#name":"text" "_":"succinate dehydrogenase |
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