Genetic analysis of resistance to bacterial leaf spot in the heirloom lettuce cultivar Reine des Glaces

Germán V. Sandoya, Brigitte Maisonneuve, Maria Jose Truco, Carolee T. Bull, Ivan Simko, Mark Trent, Ryan J. Hayes, Richard W. Michelmore

Research output: Contribution to journalArticle

Abstract

Bacterial leaf spot (BLS) is a disease that affects lettuce (Lactuca sativa L.) worldwide. The disease is caused by the bacterium Xanthomonas campestris pathovar vitians (Xcv), which exclusively infects lettuce and is particularly devastating in warm humid climates. Reine des Glaces (RG), an old Batavia-type cultivar, exhibited an uninvestigated partial resistance to Xcv. Quantitative trait loci (QTLs) were analyzed using two recombinant inbred line (RIL) populations derived from RG × Eruption and RG × Delsay using three isolates collected in California and Canada, each representing a different race, and an isolate collected in France. A major QTL was identified in linkage group 2 in both populations; additional, minor QTLs were also detected in other linkage groups. The major QTL collocates with the Xanthomonas resistance 1 (Xar1) and Xanthomonas campestris vitians resistance (Xcvr) genes that had previously been identified using RIL populations derived from Salinas 88 × La Brillante and PI 358001-1 × Tall Guzmaine. RG provides another resistance resource for combating BLS using data provided by this study for marker-assisted selection.

Original languageEnglish (US)
Article number160
JournalMolecular Breeding
Volume39
Issue number12
DOIs
StatePublished - Dec 1 2019

Fingerprint

leaf spot
Lettuce
Quantitative Trait Loci
Xanthomonas campestris
lettuce
genetic techniques and protocols
quantitative trait loci
cultivars
linkage groups
inbred lines
Xanthomonas
Population
humid zones
Lactuca sativa
Climate
marker-assisted selection
France
Canada
Bacteria
bacteria

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Molecular Biology
  • Agronomy and Crop Science
  • Genetics
  • Plant Science

Cite this

Sandoya, G. V., Maisonneuve, B., Truco, M. J., Bull, C. T., Simko, I., Trent, M., ... Michelmore, R. W. (2019). Genetic analysis of resistance to bacterial leaf spot in the heirloom lettuce cultivar Reine des Glaces. Molecular Breeding, 39(12), [160]. https://doi.org/10.1007/s11032-019-1072-6
Sandoya, Germán V. ; Maisonneuve, Brigitte ; Truco, Maria Jose ; Bull, Carolee T. ; Simko, Ivan ; Trent, Mark ; Hayes, Ryan J. ; Michelmore, Richard W. / Genetic analysis of resistance to bacterial leaf spot in the heirloom lettuce cultivar Reine des Glaces. In: Molecular Breeding. 2019 ; Vol. 39, No. 12.
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Sandoya, GV, Maisonneuve, B, Truco, MJ, Bull, CT, Simko, I, Trent, M, Hayes, RJ & Michelmore, RW 2019, 'Genetic analysis of resistance to bacterial leaf spot in the heirloom lettuce cultivar Reine des Glaces', Molecular Breeding, vol. 39, no. 12, 160. https://doi.org/10.1007/s11032-019-1072-6

Genetic analysis of resistance to bacterial leaf spot in the heirloom lettuce cultivar Reine des Glaces. / Sandoya, Germán V.; Maisonneuve, Brigitte; Truco, Maria Jose; Bull, Carolee T.; Simko, Ivan; Trent, Mark; Hayes, Ryan J.; Michelmore, Richard W.

In: Molecular Breeding, Vol. 39, No. 12, 160, 01.12.2019.

Research output: Contribution to journalArticle

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AU - Maisonneuve, Brigitte

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AU - Simko, Ivan

AU - Trent, Mark

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AU - Michelmore, Richard W.

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