Article: Isopentenyl diphosphate isomerase deficiency in Synechocystis sp. strain PCC6803.
2000 Volume 473, Issue 3, Page(s) 337–340
Abstract: Isopentenyl diphosphate isomerase (IPP isomerase) in many organisms and in plastids is central to isoprenoid synthesis and involves the conversion between IPP and dimethylallyl diphosphate (DMAPP). It is shown that Synechocystis PCC6803 is deficient in ... ...
Abstract | Isopentenyl diphosphate isomerase (IPP isomerase) in many organisms and in plastids is central to isoprenoid synthesis and involves the conversion between IPP and dimethylallyl diphosphate (DMAPP). It is shown that Synechocystis PCC6803 is deficient in IPP isomerase activity, consistent with the absence in its genome of an obvious homologue for the enzyme. Incorporation of [1-(14)C]IPP in cell extracts, primarily into C(20), occurs only upon priming with DMAPP in Synechocystis PCC6803 and in Synechococcus PCC7942. Isoprenoid synthesis in these cyanobacteria does not appear to involve interconversion of IPP and DMAPP, raising the possibility that they are not within the plastid evolutionary lineage. |
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MeSH term(s) | Carbon-Carbon Double Bond Isomerases/chemistry ; Carbon-Carbon Double Bond Isomerases/deficiency ; Chlorophyta/enzymology ; Chromatography, Liquid ; Cyanobacteria/enzymology ; Escherichia coli/enzymology ; Hemiterpenes ; Organophosphorus Compounds/metabolism ; Organophosphorus Compounds/pharmacology ; Terpenes/metabolism |
Chemical Substances | Hemiterpenes ; Organophosphorus Compounds ; Terpenes ; 3,3-dimethylallyl pyrophosphate (358-72-5) ; Carbon-Carbon Double Bond Isomerases (EC 5.3.3.-) ; isopentenyldiphosphate delta-isomerase (EC 5.3.3.2) |
Language | English |
Publishing date | 2000-05-19 |
Publishing country | England |
Document type | Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. |
ZDB-ID | 212746-5 |
ISSN | 1873-3468 ; 0014-5793 |
ISSN (online) | 1873-3468 |
ISSN | 0014-5793 |
DOI | 10.1016/s0014-5793(00)01516-7 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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