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Article

Correlation between ultrastructural differentiation of bacteroids and nitrogen fixation in alfalfa nodules.

Journal of bacteriology - 1 Aug 1990

Vasse J, de Billy F, Camut S, Truchet G

Abstract excerpt

Bacteroid differentiation was examined in developing and mature alfalfa nodules elicited by wild-type or Fix- mutant strains of Rhizobium meliloti. Ultrastructural studies of wild-type nodules distinguished five steps in bacteroid differentiation (types 1 to 5), each being restricted to a well-defined histological region of the nodule. Correlative studies between nodule development, bacteroid differentiation, and...

Topics

Bacteroides
DNA, Bacterial
Medicago sativa
Microscopy, Electron
Mutation
Nitrogen Fixation
Nitrogenase
Phenotype
Plasmids
Restriction Mapping

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 2376562
DOI: 10.1128/jb.172.8.4295-4306.1990
PMCID: PMC213254

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-2376562-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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