PMID: 11607509Jan 17, 1995Paper

An aphid-resistance locus is tightly linked to the nematode-resistance gene, Mi, in tomato

Proceedings of the National Academy of Sciences of the United States of America
Isgouhi KaloshianV M Williamson

Abstract

Tomato lines from diverse breeding programs were evaluated in the field for resistance to a natural infestation of the potato aphid, Macrosiphum euphorbiae, in Davis, CA. It was noted that all lines that carried the nematode-resistance gene, Mi, displayed aphid resistance. A greenhouse assay for aphid resistance was developed to investigate this relationship. Association of nematode and aphid resistances in near-isogenic lines suggested that these traits are tightly linked. Analysis of an F2 population segregating for nematode resistance indicated that aphid resistance segregated as a single major locus genetically linked to Mi. The name Meu1 is proposed for this locus. It is likely that Meu1 was introduced into tomato along with Mi from the wild species Lycopersicon peruvianum. The presence of aphid resistance in the line Motelle, which contains a very small region of introgressed DNA, and the lack of recombinants suggest that Meu1 is tightly linked to Mi or possibly is the same gene. The map-based strategy currently being used to clone Mi should be applicable to cloning Meu1.

References

Mar 25, 1991·Nucleic Acids Research·K EdwardsC Thompson
May 1, 1993·Molecular Plant-microbe Interactions : MPMI·M J DickinsonJ D Jones

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Citations

Jun 23, 2007·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Dong-Soo ParkJong-Seong Jeon
Sep 29, 2001·The Plant Journal : for Cell and Molecular Biology·O M de IlarduyaI Kaloshian
Sep 21, 2012·Molecular Plant-microbe Interactions : MPMI·Matthew E Studham, Gustavo C MacIntosh
Jun 17, 2006·Molecular Plant-microbe Interactions : MPMI·Qi LiIsgouhi Kaloshian
Mar 24, 2007·Molecular Plant-microbe Interactions : MPMI·Kishor K BhattaraiIsgouhi Kaloshian
Jul 10, 2003·Molecular Plant-microbe Interactions : MPMI·Gloria NombelaMariano Muñiz
Aug 9, 2003·Molecular Plant-microbe Interactions : MPMI·Oscar Martinez de IlarduyaIsgouhi Kaloshian
Jan 13, 2004·Molecular Plant-microbe Interactions : MPMI·Oscar Martinez de IlarduyaIsgouhi Kaloshian
May 15, 2004·Molecular Plant-microbe Interactions : MPMI·Fiona L GogginDiane E Ullman
Mar 12, 2004·Annual Review of Phytopathology·V M Williamson
Mar 28, 2008·International Journal of Plant Genomics·Majid R Foolad
Aug 26, 1998·Proceedings of the National Academy of Sciences of the United States of America·M RossiV M Williamson
Jun 6, 2009·The New Phytologist·Sophie MantelinIsgouhi Kaloshian
Feb 3, 2009·Plant, Cell & Environment·Jianqiang Wu, Ian T Baldwin
Sep 30, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Z W ZhangL L Qi
Apr 12, 2017·Bulletin of Entomological Research·C I Rodríguez-ÁlvarezG Nombela
Jun 8, 2019·Journal of Experimental Botany·Daniel J LeybourneJorunn I B Bos
Mar 14, 2007·Plant Physiology·Kishor K BhattaraiIsgouhi Kaloshian

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