Regulation of the production of polygalacturonase by Aspergillus niger
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
12422519
DOI
10.1007/bf02818699
Knihovny.cz E-zdroje
- MeSH
- Aspergillus niger účinky léků enzymologie růst a vývoj metabolismus MeSH
- biomasa MeSH
- citrátový cyklus MeSH
- ethyleny biosyntéza farmakologie MeSH
- fumaráty farmakologie MeSH
- kinetika MeSH
- kultivační média MeSH
- kyselina glutamová farmakologie MeSH
- kyselina pyrohroznová farmakologie MeSH
- kyseliny ketoglutarové farmakologie MeSH
- polygalakturonasa biosyntéza MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- ethylene MeSH Prohlížeč
- ethyleny MeSH
- fumaráty MeSH
- fumaric acid MeSH Prohlížeč
- kultivační média MeSH
- kyselina glutamová MeSH
- kyselina pyrohroznová MeSH
- kyseliny ketoglutarové MeSH
- polygalakturonasa MeSH
Synthesis of ethylene in static cultures as well as the effect of endogenous and exogenous ethylene on the synthesis of polygalacturonase by Aspergillus niger were determined. This strain produced maximum ethylene amounts when cultured at 30 degrees C for 3 d. The effect of adding ethylene precursors (citrate-cycle intermediates) on ethylene production was investigated. Best intracellular and extracellular polygalacturonase production was obtained with 2-oxoglutaric, pyruvic and fumaric acids, and with glutamic acid too. Addition of ethylene to the culture medium also increased the synthesis of polygalacturonase, although to a lower degree than when glutamic acid was added.
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