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Microarray analysis of high light intensity stress on hydrogen production metabolism of Rhodobacter capsulatus

2020-01-29
Gurgan, Muazzez
Koku, Harun
EROĞLU, İNCİ
Yucel, Meral
Biohydrogen obtained from purple non sulfur bacteria (PNSB) is an environmentally friendly alternative for hydrogen production. PNSB can be employed in large scale outdoor photobioreactors to produce hydrogen by photofermentation with sunlight as the light source. In external environmental conditions, however, bacteria can experience stress due to high light intensities, which can inhibit or slow down hydrogen production. Previous studies with other PNSB showed varying responses to light intensities (above 4000 lux), in some cases improving, and in others adversely affecting hydrogen production.