| The purMN genes of Rhizobium leguminosarum and a superficial link with siderophore production. | |
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MedLine Citation:
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PMID: 10659713 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We isolated a mutant of R. leguminosarum initially on the basis of reduced production of the siderophore vicibactin on chrome azurol sulfonate (CAS)/agar indicator plates. The mutation was in the purMN operon and the mutant was shown to be an adenine auxotroph and defective for nodulation of peas. The siderophore defect appears to be trivial, being due to diminished growth of the auxotroph on agar-based minimal medium, which contains unknown contaminant(s) that allow it grow poorly. Transcriptional fusions showed that purMN was transcribed at relatively high levels in media containing purines. Expression was enhanced, approximately twofold, if purines were omitted. |
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Authors:
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J B Stevens; N G de Luca; J E Beringer; J P Ringer; K H Yeoman; A W Johnston |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Molecular plant-microbe interactions : MPMI Volume: 13 ISSN: 0894-0282 ISO Abbreviation: Mol. Plant Microbe Interact. Publication Date: 2000 Feb |
Date Detail:
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Created Date: 2000-03-03 Completed Date: 2000-03-03 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9107902 Medline TA: Mol Plant Microbe Interact Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 228-31 Citation Subset: IM |
Affiliation:
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School of Biological Sciences, University of East Anglia, Norwich, UK. |
| Data Bank Information | |
Bank Name/Acc. No.:
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GENBANK/AJ243305 |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Escherichia coli
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genetics Genes, Bacterial* Molecular Sequence Data Mutation Peas / microbiology Peptides, Cyclic / biosynthesis Plasmids / genetics Purines / metabolism Rhizobium leguminosarum / genetics*, metabolism* Siderophores / biosynthesis* |
| Chemical | |
Reg. No./Substance:
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0/Peptides, Cyclic; 0/Purines; 0/Siderophores; 0/vicibactin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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