Genomic characterization of a liberibacter present in an ornamental rutaceous tree, Calodendrum capense, in the Western Cape province of South Africa. Proposal of 'Candidatus Liberibacter africanus subsp. capensis'

M Garnier, S Jagoueix-Eveillard, PR Cronje, HF Le Roux and JM Bove Laboratoire de Biologie Cellulaire et Moleculaire INRA & Universite Victor Segalen Bordeaux 2, Institut de Biologie Vegetale Moleculaire BP 81, 33883 Villenave d'Ornon cedex, France In 1994, the uncultured phloem-restricted...

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Published in:	International journal of systematic and evolutionary microbiology Vol. 50; no. 6; pp. 2119 - 2125
Main Authors:	Garnier, M, Jagoueix-Eveillard, S, Cronje, PR, Le Roux, HF, Bove, JM
Format:	Journal Article
Language:	English
Published:	Reading Soc General Microbiol 01-11-2000 Society for General Microbiology Microbiology Society
Subjects:	Africa Agricultural sciences Alphaproteobacteria - classification Alphaproteobacteria - genetics Alphaproteobacteria - immunology Alphaproteobacteria - isolation & purification Animal, plant and microbial ecology Antibodies, Monoclonal - immunology Asia Bacteriology Biological and medical sciences Calodendrum capense Citrus - microbiology DNA, Ribosomal - analysis DNA, Ribosomal Spacer - genetics Fundamental and applied biological sciences. Psychology Liberobacter asiaticum Life Sciences Microbial ecology Microbiology Microflora of plants Molecular Sequence Data Phylogeny Plant Diseases - microbiology Plant Leaves - microbiology Ribosomal Proteins - genetics RNA, Ribosomal, 16S - genetics Sequence Analysis, DNA South Africa Systematics Trees - microbiology South Africa Africa Huanglongbing Taxonomy Citrus fruit Nomenclature Rutaceae Genospecies Phylogeny Citrus Phloem Dicotyledones Angiospermae Spermatophyta Plant microorganism relation CANDIDATUS LIBERIBACTER AFRICANUS SUBSP. CAPENSIS BIOLOGIE MOLECULAIRE
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Summary:	M Garnier, S Jagoueix-Eveillard, PR Cronje, HF Le Roux and JM Bove Laboratoire de Biologie Cellulaire et Moleculaire INRA & Universite Victor Segalen Bordeaux 2, Institut de Biologie Vegetale Moleculaire BP 81, 33883 Villenave d'Ornon cedex, France In 1994, the uncultured phloem-restricted bacteria of citrus huanglongbing (ex-greening) disease in Asia and Africa were characterized as 'Candidatus Liberobacter asiaticum' and 'Candidatus Liberobacter africanum', respectively. Following the rules of the International Code of Nomenclature of Bacteria, the two bacterial species have now been renamed 'Candidatus Liberibacter asiaticus' and 'Candidatus Liberibacter africanus'. A third liberibacter was detected by PCR in an ornamental rutaceous tree, Cape chestnut (Calodendrum capense), in South Africa. The new liberibacter was characterized by serology and from the sequences of its 16S rDNA, intergenic 16S/23S rDNA and ribosomal protein genes of the beta operon. Phylogenetic analysis showed that the liberibacter present in C. capense differed from the two previously described liberibacter species from citrus and that it was more closely related to 'Candidatus Liberibacter africanus' than to 'Candidatus Liberibacter asiaticus'. It is proposed that the liberibacter from C. capense be assigned a subspecies status, 'Candidatus Liberibacter africanus subsp. capensis'.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	1466-5026 1466-5034
DOI:	10.1099/00207713-50-6-2119