Article
Coexistence of two structurally similar but functionally different PII proteins in Azospirillum brasilense.
Journal of bacteriology - 1 Jul 1996
de Zamaroczy M, Paquelin A, Peltre G, Forchhammer K, Elmerich C
Abstract excerpt
The coexistence of two different PII, proteins in Azospirillum brasilense was established by comparing proteins synthesized by the wild-type strain and two null mutants of the characterized glnB gene (encoding PII) adjacent to glnA. Strains were grown under conditions of nitrogen limitation or nitrogen excess. The proteins were analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) or...
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