Improvement of Photoheterotrophic Hydrogen Production of Rhodobacter sphaeroides by Removal of B800-850 Light-Harvesting Complex

The photoheterotrophic H₂ production of Rhodobacter sphaeroides was significantly increased through disruption of the genes coding for uptake hydrogenase and poly-β-hydroxybutyrate (PHB) synthase (Lee et al., Appl. Microbiol. Biotechnol. 60: 147-153, 2002). In this work, we further removed the B800-...

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Veröffentlicht in:Journal of microbiology and biotechnology 2005, 15(5), , pp.1115-1119
Hauptverfasser: Kim, E.J. (Sogang University, Seoul, Republic of Korea), Yoo, S.B. (Sogang University, Seoul, Republic of Korea), Kim, M.S. (Korea Institute of Energy Research, Daejeon, Republic of Korea), Lee, J.K. (Sogang University, Seoul, Republic of Korea), E-mail: jgklee@ccs.sogang.ac.kr
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Sprache:eng
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Zusammenfassung:The photoheterotrophic H₂ production of Rhodobacter sphaeroides was significantly increased through disruption of the genes coding for uptake hydrogenase and poly-β-hydroxybutyrate (PHB) synthase (Lee et al., Appl. Microbiol. Biotechnol. 60: 147-153, 2002). In this work, we further removed the B800-850 light-harvesting (LH) complex from the strain and found an increase in H₂ production at the light-saturating cell growth (greater-than or equal to 10 Watts [W]/㎡). Neither the mutant nor the wild-type produced more H₂ at the brighter light.
ISSN:1017-7825