Abstract:
:The activation of chloroplast fructose-1,6-bisphosphatase by fructose-1,6-bisphosphate, Ca2+, DTT and chloroplast thioredoxin-f is prevented by either spermidine or spermine; on the contrary, other amino compounds do not replace polyamines in this reversible effect. On the other hand, neither spermidine nor spermine modify the catalysis of chloroplast fructose-1,6-bisphosphatase. The effect of spermidine, but not the effect of spermine, is reversed by increasing the concentration of Ca2+ in the activation; higher concentrations of Fructose-1,6-bisphosphate or thioredoxin-f do not restore the control activity. The present results suggest that other regulatory mechanisms may control the activation of fructose-1,6-bisphosphatase in chloroplasts.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Corley E,Wolosiuk RA,Hertig CMdoi
10.1016/s0006-291x(83)80202-2subject
Has Abstractpub_date
1983-09-15 00:00:00pages
707-14issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(83)80202-2journal_volume
115pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:1984-05-31 00:00:00