Mapping X-Disease Phytoplasma Resistance in Prunus virginiana

Phytoplasmas such as " Phytoplasma pruni," the causal agent of X-disease of stone fruits, lack detailed biological analysis. This has limited the understanding of plant resistance mechanisms. Chokecherry ( L.) is a promising model to be used for the plant-phytoplasma interaction due to its...

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Bibliographic Details
Published in:Frontiers in plant science 2017-11, Vol.8, p.2057-2057
Main Authors: Lenz, Ryan R, Dai, Wenhao
Format: Article
Language:English
Subjects:
chokecherry
consensus map
phytoplasma
Plant Science
QTL mapping
tetraploid
X-disease
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Summary:Phytoplasmas such as " Phytoplasma pruni," the causal agent of X-disease of stone fruits, lack detailed biological analysis. This has limited the understanding of plant resistance mechanisms. Chokecherry ( L.) is a promising model to be used for the plant-phytoplasma interaction due to its documented ability to resist X-disease infection. A consensus chokecherry genetic map "Cho" was developed with JoinMap 4.0 by joining two parental maps. The new map contains a complete set of 16 linkage groups, spanning a genetic distance of 2,172 cM with an average marker density of 3.97 cM. Three significant quantitative trait loci (QTL) associated with X-disease resistance were identified contributing to a total of 45.9% of the phenotypic variation. This updated genetic linkage map and the identified QTL will provide the framework needed to facilitate molecular genetics, genomics, breeding, and biotechnology research concerning X-disease in chokecherry and other species.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2017.02057