1989
DOI: 10.1007/bf00406555
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Effects of copper concentration in continuous culture on the aa 3-type cytochrome oxidase and respiratory chains of Paracoccus denitrificans

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Cited by 10 publications
(4 citation statements)
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“…In S. cerevisiae , under conditions of fermentative growth (where respiration is no longer essential) Cyt oxidase and the respiratory chain is down-regulated (van Bakel et al, 2005). The loss of Cyt oxidase in Cu-limited cultures of bacteria and fungi is well-documented (Hubbard et al, 1989, Gabel et al, 1994). …”
Section: Microbial Adaptation and Acclimation To Metal Ion Limitmentioning
confidence: 99%
“…In S. cerevisiae , under conditions of fermentative growth (where respiration is no longer essential) Cyt oxidase and the respiratory chain is down-regulated (van Bakel et al, 2005). The loss of Cyt oxidase in Cu-limited cultures of bacteria and fungi is well-documented (Hubbard et al, 1989, Gabel et al, 1994). …”
Section: Microbial Adaptation and Acclimation To Metal Ion Limitmentioning
confidence: 99%
“…A sequence alignment (Fig. S6) revealed that the Cu(II)-binding residues known from the structure of P. syringae CopC (His 1 , Glu 27 , Asp 89 , and His 91 ) are highly conserved in C. glutamicum CopC except for a Glu 27 -Asp exchange, whereas the majority of the Cu(I)-binding residues (Met 40 , Met 43 , Met 46 , His 48 , Met 51 , and Tyr 79 ) of P. syringae CopC, except for His 48 and Tyr 79 , are not conserved in the C. glutamicum homolog (42). Therefore, C. glutamicum CopC probably contains a Cu(II)binding site, but no Cu(I)-binding site.…”
Section: Biogenesis Of Actinobacterial Cytochrome C Oxidasementioning
confidence: 99%
“…As a starting point in our search for proteins involved in copper insertion into cytochrome aa 3 oxidase, we determined the copper-deprivation stimulon of C. glutamicum and analyzed genes with increased expression. Copper deprivation is known to influence the content of cytochrome aa 3 oxidase in various bacteria (27,28). Using this approach, two candidate proteins were identified and characterized, CtiP (Cg2699) and CopC (Cg1884).…”
mentioning
confidence: 99%
“…These proteins have included nitrous oxide reductase (28), plastocyanin (29), and cytochrome c oxidase. Investigations of Paracoccus denitnfifcans using continuous culture growth conditions to vary copper concentrations in the growth medium revealed that a decrease in copper resulted in a decrease of spectrally detectable cytochrome aa3 (19); but these studies did not attempt to determine at what level cytochrome aa3 was regulated, whether it be transcriptional, translational, or posttranslational. This observation prompted us to look at the effects of decreased copper concentrations on cytochrome aa3 levels in B. japonicum and R tropici.…”
mentioning
confidence: 99%