Cited by 55Legume Nitrogen Fixing SymbiosisBacterial Genetics and BiotechnologyHemoglobin structure and function

Heme compounds as iron sources for nonpathogenic Rhizobium bacteria

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Noya, F, Arias, A, Fabiano, E·1997·Journal of Bacteriology

Abstract

Many animal-pathogenic bacteria can use heme compounds as iron sources. Like these microorganisms, rhizobium strains interact with host organisms where heme compounds are available. Results presented in this paper indicate that the use of hemoglobin as an iron source is not restricted to animal-pathogenic microorganisms. We also demonstrate that heme, hemoglobin, and leghemoglobin can act as iron sources under iron-depleted conditions for Rhizobium meliloti 242. Analysis of iron acquisition mutant strains indicates that siderophore-, heme-, hemoglobin-, and leghemoglobin-mediated iron transport systems expressed by R. meliloti 242 share at least one component.

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Registry

Crossref · 10.1128/jb.179.9.3076-3078.1997

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  • B. japonicum obtains heme from leghemoglobin inside plant nodules, and leghemoglobin can make up as much as 30% of soluble protein in those nodules.

    “Within these nodules B. japonicum acquires heme from leghemoglobin, a plant hemoglobin with structural properties similar to animal hemoglobins that can comprise up to 30% of the total soluble protein within plant nodules [59].”

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Authors
Noya, F., Arias, A., & Fabiano, E.
Affiliations
Instituto de Investigaciones Biológicas Clemente Estable (UY)
Venue
Journal of Bacteriology
Published
1997-05
Volume
179
Issue
9
Pages
3076-3078
ISSN
  • 0021-9193 (ISSN-L)
  • 1098-5530
OpenAlex
W2119169154
Cited by
55
References
27
Citations by year
2024: 1 · 2023: 1 · 2021: 1 · 2019: 1 · 2018: 2 · 2016: 3 · 2014: 1 · 2013: 2 · 2012: 2
FWCI
3.35
Type
journal article
Language
en
Open access
Locations
  • Journal of Bacteriology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Legume Nitrogen Fixing Symbiosis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Hemoglobin structure and function
Keywords
hemoglobin, leghemoglobin, Sinorhizobium meliloti, siderophores, iron transport systems, iron starvation, host-microbe interactions
MeSH terms
Animals, Bacteria, Biological Transport, Cattle, Culture Media, Ethylenediamines, Heme, Hemoglobins, Iron, Iron Chelating Agents, Leghemoglobin, Rhizobiaceae, Rhizobium, Species Specificity, Sinorhizobium meliloti

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