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Genetic variation in Candidatus Phytoplasma australiense

Streten-Joyce, Claire and Gibb, Karen (2005). Genetic variation in Candidatus Phytoplasma australiense. Plant Pathology,54(1):8-14.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 19 times in Scopus Article | Citations

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IRMA ID 75033819xPUB5
Title Genetic variation in Candidatus Phytoplasma australiense
Author Streten-Joyce, Claire
Gibb, Karen
Journal Name Plant Pathology
Publication Date 2005
Volume Number 54
Issue Number 1
ISSN 1365-3059   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-13844298115
Start Page 8
End Page 14
Total Pages 7
Place of Publication Cambridge, United Kingdom
Publisher Blackwell Science
Field of Research 0605 - Microbiology
0607 - Plant Biology
HERDC Category C1 - Journal Article (DEST)
Abstract This study examined whether genes that are less conserved than the 16S rRNA gene can distinguish Candidatus Phytoplasma australiense strains that are identical based on their 16S rRNA genes, with a view to providing insight into their origins and distribution, and any patterns of association with particular plant hosts. Sequence analysis of the tuf gene and rp operon showed that Ca. P. australiense strains could be differentiated into four subgroups, named 16SrXII-B (tuf-Australia I; rp-A), 16SrXII-B (tuf-New Zealand I; rp-B), 16SrXII-B (tuf-New Zealand II) and 16SrXII-B (rp-C). Strawberry lethal yellows 1, strawberry green petal, Australian grapevine yellows, pumpkin yellow leaf curl and cottonbush witches' broom phytoplasmas were designated members of the 16SrXII-B (tuf-Australia I; rp-A) subgroup. The strawberry lethal yellows 2 and cottonbush reduced yellow leaves phytoplasmas were assigned to the 16SrXII (tuf-New Zealand II; rp-B) subgroup. No relationship was observed between these phytoplasma subgroups and collection date, location or host plant. However, the study revealed evolutionary divergence in the 16SrXII group.
Keywords evolutionary diversity
phytoplasmas
grapevine yellows
genomic diversity
ribosomal-rna
aster yellows
new-zealand
differentiation
sequence
diseases
classification
association
DOI http://dx.doi.org/10.1111/j.1365-3059.2004.01113.x   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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