Australasian Plant Pathology (2004) 33, 115-119

F.E. Constable and R.H. Symons (2004)
Genetic variability amongst isolates of Australian grapevine phytoplasmas
Australasian Plant Pathology 33 (1), 115-119
Abstract: Heteroduplex mobility assay (HMA) was used to determine if genetic variability existed amongst isolates of Australian grapevine yellows (AGY) and the Buckland Valley grapevine yellows (BVGY) phytoplasmas. Genetic variability was detected in two isolates of AGY phytoplasma from the same grapevine when they were compared with an AGY phytoplasma standard using HMA of the elongation factor Tu (tuf) gene. HMA of the tuf gene also showed that an isolate of papaya dieback (PDB) phytoplasma, which is closely related to AGY phytoplasma, was different from the AGY phytoplasma standard. The two AGY variant phytoplasmas and PDB phytoplasma were indistinguishable from each other when they were compared using HMA of the tuf gene. No variability was observed amongst isolates of BVGY phytoplasma using HMA of the tuf gene.
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Link to article at publishers website
Database assignments for author(s): Fiona E. Constable

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Phytoplasma australiense	Grapevine (Vitis)
	Buckland Valley grapevine yellows phytoplasma