1996
DOI: 10.1007/bf00183060
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Carbon cycling: Molecular regulation of photosynthetic carbon fixation

Abstract: Photosynthetic carbon fixation by phytoplankton is a key component of the global carbon cycle. Our understanding of the types of picoplankton and ultraphytoplankton involved in this process is evolving. However, mechanisms of regulation of photosynthetic carbon fixation in the oceans are poorly understood. All phytoplankton fix CO2 by reductive carboxylation employing the enzyme ribulose bisphosphate carboxylase (RuBPCase). The sequence of the gene encoding the large subunit of the enzyme (rbcL) has been relat… Show more

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Cited by 9 publications
(7 citation statements)
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“…The expression of metabolic genes has also been tested by using extracted RNA from microbiological communities (41,55,58,59). To utilize a combined approach (16S ribosomal DNA [rDNA] phylogenetic analysis and metabolic gene identification and/or expression) with the episymbiont community, a large-insert fosmid library was constructed from the bacterial biomass found on the dorsal surface of an A. pompejana worm collected from 9°N EPR.…”
mentioning
confidence: 99%
“…The expression of metabolic genes has also been tested by using extracted RNA from microbiological communities (41,55,58,59). To utilize a combined approach (16S ribosomal DNA [rDNA] phylogenetic analysis and metabolic gene identification and/or expression) with the episymbiont community, a large-insert fosmid library was constructed from the bacterial biomass found on the dorsal surface of an A. pompejana worm collected from 9°N EPR.…”
mentioning
confidence: 99%
“…and Prochlorococcus sp. dominate the open ocean environments (62). Thus, current estimates (63) and methods (1) of net primary production which extrapolate primary production contingent upon daylight hours may be underestimating the large amount of C fixation occurring in the dark.…”
Section: Discussionmentioning
confidence: 99%
“…Through measurements of levels of rbcL mRNA, the rbcL gene has been shown to be actively expressed in marine phytoplankton communities (28,30,33). Surface water communities and picoplankton isolates have displayed diel rhythms in rbcL gene expression (32,34) that show a high degree of correlation with levels of carbon fixation.…”
mentioning
confidence: 99%