Methods and compositions for evolving hydrogenase genes

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

Reexamination Certificate

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C435S189000

Reexamination Certificate

active

07135290

ABSTRACT:
The invention provides methods and compositions for engineering microbes to generate Hydrogen. Some methods of the invention involve recoding of hydrogenase genes followed by subjecting the recoded genes to annealing-based recombination methods. The invention further provides methods of mating organisms that are transformed with recoded and recombined hydrogenase genes with other organisms containing different genome sequences.

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Kosourov, Sustained hydrogen photoproduction by Chlamydomonas reinhardtii: Effects of culture parameters, Biotechnology and Bioengineering, Jun. 30, 2002, 731-40, 78(7).
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Zhang, Biochemical and morphological characterization of sulfur-deprived and H2-producing Chlamydomonas reinhardtii (green alga), Planta, Feb. 2002, 552-61, 214(4).
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Ahmann, Combinatorial Mutagenesis of a Bidirectional Hydrogenase in Chlamydomonas reinhardtii, Feb. 21, 2002, National Science Foundation Grant No. AWSFL008-DS3.

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