Literature DB >> 16656389

Photo-oxidation of desaspidin sensitized by chlorophyll.

G Hind1.   

Abstract

The uncoupler desaspidin is labile in the presence of oxidants at alkaline pH values. It also undergoes chlorophyll-sensitized photooxidation at a more acid pH. The products of the oxidation appear to have negligible activity in inhibiting electron transfer and photophosphorylation.Failure of desaspidin to uncouple in the presence of oxidants used as cofactors of noncyclic electron flow is presumably the result of this irreversible degradation of the desaspidin molecule during the early minutes of illumination or preincubation.

Entities:  

Year:  1966        PMID： 16656389      PMCID： PMC550504          DOI： 10.1104/pp.41.7.1237

Source DB:  PubMed          Journal:  Plant Physiol        ISSN： 0032-0889            Impact factor:   8.340


  8 in total

1.  Paper chromatographic separation of the phloroglucinol derivatives from Dryopteris species.

Authors:  A PENTTILA; J SUNDMAN
Journal:  J Pharm Pharmacol       Date:  1961-09       Impact factor: 3.765

2.  Desaspidin: a nonspecific uncoupler of photophosphorylation.

Authors:  Z Gromet-Elhanan; M Avron
Journal:  Plant Physiol       Date:  1966-09       Impact factor: 8.340

3.  SEPARATION OF LIGHT AND DARK STAGES IN PHOTOPHOSPHORYLATION.

Authors:  G Hind; A T Jagendorf
Journal:  Proc Natl Acad Sci U S A       Date:  1963-05       Impact factor: 11.205

4.  Uncoupling of oxidative phosphorylation in rat liver mitochondria with desaspidin and related phlorobutyrophenone derivative.

Authors:  L RUNEBERG
Journal:  Biochem Pharmacol       Date:  1962-03       Impact factor: 5.858

5.  Titration of mitochondrial adenosinetriphosphatase with desaspidin.

Authors:  L Runeberg
Journal:  Biochem Biophys Res Commun       Date:  1964       Impact factor: 3.575

6.  Photosynthetic phosphorylation and electron transport.

Authors:  D I Arnon; H Y Tsujimoto; B D McSwain
Journal:  Nature       Date:  1965-09-25       Impact factor: 49.962

7.  Effect of desaspidin on photosynthetic phosphorylation.

Authors:  Z Gromet-Elhanan; D I Arnon
Journal:  Plant Physiol       Date:  1965-11       Impact factor: 8.340

8.  Effect of desaspidin on photosynthetic phosphorylation and related processes.

Authors:  G Hind
Journal:  Nature       Date:  1966-05-14       Impact factor: 49.962
  8 in total
  2 in total

1.  Photosynthetic phosphorylation as energy source for protein synthesis and carbon dioxide assimilation by chloroplasts.

Authors:  J M Ramírez; F F Campo; D I Arnon
Journal:  Proc Natl Acad Sci U S A       Date:  1968-02       Impact factor: 11.205

2.  Effects of uncouplers on Mg(2+)-dependent fluorescence quenching in isolated chloroplasts.

Authors:  G H Krause
Journal:  Planta       Date:  1978-01       Impact factor: 4.116
  2 in total

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