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Organization and regulation of the Rhodobacter capsulatus CO2 fixation genes- [e-book]
Organization and regulation of the Rhodobacter capsulatus CO2 fixation genes- [e-book]
자료유형  
 학위논문
ISBN  
9780591297881
저자명  
Paoli, George Carl.
서명/저자  
Organization and regulation of the Rhodobacter capsulatus CO2 fixation genes - [e-book]
발행사항  
Columbus : The Ohio State University, 1997.
형태사항  
180 p.
주기사항  
Adviser: F. R. Tabita.
학위논문주기  
Thesis (Ph.D.)--The Ohio State University, 1997.
초록/해제  
요약 : Rhodobacter capsulatus is a nonsulfur purple photosynthetic bacterium that fixes CO$\sb2$ primarily via the Calvin-Benson-Bassham (CBB) reductive pentose phosphate pathway. R. capsulatus is one of only a few bacterial species known to synthesize two forms of the key CBB cycle enzyme ribulose 1,5-bisphosphate carboxylase/oxygenase (RubisCO). The organization of several genes encoding CBB cycle enzymes (cbb genes) in R. capsulatus was determined. The R. capsulatus form I and form II RubisCO genes, cbbLcbbS and cbbM, respectively, were functionally expressed in Escherichia coli and Rhodobacter sphaeroides. Several of the cbb genes were sequenced. Phylogenetic analysis revealed that the R. capsulatus form I RubisCO genes and the genes immediately upstream and downstream of cbbLcbbS were acquired by R. capsulatus as a result of a horizontal gene transfer. A combination of cbb gene disruption strains and cbb promoter fusion constructs was employed to examine aspects of cbb gene regulation in R. capsulatus.
초록/해제  
요약 : Chemoautotrophic growth of mutant strains of R. capsulatus, and a spontaneous mutant of Rhodobacter sphaeroides, that synthesize only form I or form II RubisCO was examined. The results of these experiments suggest that these strains might be useful in providing a system for biological selection for RubisCO with desirable biochemical properties.
기타 저자  
The Ohio State University.
수록지명  
Dissertation Abstracts International. 58-02B.
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Control Number  
chimsin:303865
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