Reductant and energy level of bacteroids of Rhizobium leguminosarum

Nisha Garg, H. S. Nainawatee

Research output: Contribution to journalArticle

Abstract

Low redox potential electron carriers such as benzyl viologen and NAD+ were reduced by bacteroids prepared from nodules of pea inoculated with hup+ R. leguminosarum strain Vp1, whereas, the bacteroids of plasmid cured hup- derivative Vm1 did not exhibit the reducing activity. The bacteroids prepared from nodules of hup+ strain Vp1 at 46d stage, where nitrogenase activity was maximum, exhibited 1.5-fold higher levels of NADH/NADPH, two-fold higher levels of ATP while the level of ADP and AMP were lower as compared to the bacteroids of hup- strain Vm1. Also the level of adenylate energy charge in hup+ bacteroids was 29% higher than the hup- bacteroids.

Original languageEnglish (US)
Pages (from-to)2913-2915
Number of pages3
JournalPhytochemistry
Volume28
Issue number11
DOIs
StatePublished - 1989
Externally publishedYes

Keywords

  • Cyanophyceae
  • Rhizobium leguminosarum
  • adenylate charge
  • bacteroids
  • hydrogen uptake.

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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