Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes

A.R. Seifi Abdolabad; I. Kaloshian; J. Vossen; D. Che; K. Bhattarai; J. Fan; Z. Naher; A. Goverse; W.F. Tjallingii; P. Lindhout; R.G.F. Visser; Y. Bai

doi:10.1094/MPMI-06-10-0145

Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes

A.R. Seifi Abdolabad, I. Kaloshian, J. Vossen, D. Che, K. Bhattarai, J. Fan, Z. Naher, A. Goverse, W.F. Tjallingii, P. Lindhout, R.G.F. Visser, Y. Bai

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33 Citations (Scopus)

Abstract

On the short arm of tomato chromosome 6, a cluster of disease resistance (R) has evolved harboring the Mi-1 and Cf genes. The Mi-1 gene confers resistance to root-knot nematodes, aphids and whiteflies. Previously we mapped two genes, Ol-4 and Ol-6 for resistance to tomato powdery mildew in this cluster. The aim of this study was to investigate whether Ol-4 and Ol-6 are homologues of the R genes located in this cluster. We show that near-isogenic lines (NILs) harboring Ol-4 (NIL-Ol-4) and Ol-6 (NIL-Ol-6) are also resistant to nematodes and aphids. Genetically, the resistance to nematodes co-segregates with Ol-4 and Ol-6, which are further fine-mapped to the Mi-1 cluster. We provide evidence that the composition of Mi homologues in NIL-Ol-4 and NIL-Ol-6 are different from other nematode-resistant tomato lines, Motelle and VFNT harboring the Mi-1 gene. Furthermore, we demonstrate that the resistances to both nematodes and tomato powdery mildew in these two NILs are governed by linked (if not the same) Mi-1 homologues in the Mi-1 cluster. Finally, how Solanum crops exploit Mi-1 homologues to defend themselves against distinct pathogens is discussed.

Original language	English
Pages (from-to)	441-450
Journal	Molecular Plant-Microbe Interactions
Volume	24
Issue number	4
DOIs	https://doi.org/10.1094/MPMI-06-10-0145
Publication status	Published - 2011

Keywords

neighbor-joining method
heat-stable resistance
molecular linkage map
disease resistance
gene mi
lycopersicon-peruvianum
meloidogyne-incognita
potato aphid
defense
pathogens

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10.1094/MPMI-06-10-0145

Solanum subgen. Lycopersicon Mi-1 gene, intron 1
Seifi Abdolabad, A. R. (Creator), Kaloshian, I. (Creator), Vossen, J. (Creator), Che, D. (Creator), Bhattarai, K. (Creator), Fan, J. (Creator), Naher, Z. (Creator), Goverse, A. (Creator), Tjallingii, W. F. (Creator), Lindhout, P. (Creator), Visser, R. G. F. (Creator) & Bai, Y. (Creator), Wageningen University & Research, 29 Mar 2012
https://www.ncbi.nlm.nih.gov/popset/325587128
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Seifi Abdolabad, A. R., Kaloshian, I., Vossen, J., Che, D., Bhattarai, K., Fan, J., Naher, Z., Goverse, A., Tjallingii, W. F., Lindhout, P., Visser, R. G. F., & Bai, Y. (2011). Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes. Molecular Plant-Microbe Interactions, 24(4), 441-450. https://doi.org/10.1094/MPMI-06-10-0145

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title = "Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes",

abstract = "On the short arm of tomato chromosome 6, a cluster of disease resistance (R) has evolved harboring the Mi-1 and Cf genes. The Mi-1 gene confers resistance to root-knot nematodes, aphids and whiteflies. Previously we mapped two genes, Ol-4 and Ol-6 for resistance to tomato powdery mildew in this cluster. The aim of this study was to investigate whether Ol-4 and Ol-6 are homologues of the R genes located in this cluster. We show that near-isogenic lines (NILs) harboring Ol-4 (NIL-Ol-4) and Ol-6 (NIL-Ol-6) are also resistant to nematodes and aphids. Genetically, the resistance to nematodes co-segregates with Ol-4 and Ol-6, which are further fine-mapped to the Mi-1 cluster. We provide evidence that the composition of Mi homologues in NIL-Ol-4 and NIL-Ol-6 are different from other nematode-resistant tomato lines, Motelle and VFNT harboring the Mi-1 gene. Furthermore, we demonstrate that the resistances to both nematodes and tomato powdery mildew in these two NILs are governed by linked (if not the same) Mi-1 homologues in the Mi-1 cluster. Finally, how Solanum crops exploit Mi-1 homologues to defend themselves against distinct pathogens is discussed.",

keywords = "neighbor-joining method, heat-stable resistance, molecular linkage map, disease resistance, gene mi, lycopersicon-peruvianum, meloidogyne-incognita, potato aphid, defense, pathogens",

author = "{Seifi Abdolabad}, A.R. and I. Kaloshian and J. Vossen and D. Che and K. Bhattarai and J. Fan and Z. Naher and A. Goverse and W.F. Tjallingii and P. Lindhout and R.G.F. Visser and Y. Bai",

year = "2011",

doi = "10.1094/MPMI-06-10-0145",

language = "English",

volume = "24",

pages = "441--450",

journal = "Molecular Plant-Microbe Interactions",

issn = "0894-0282",

publisher = "American Phytopathological Society",

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Seifi Abdolabad, AR, Kaloshian, I, Vossen, J, Che, D, Bhattarai, K, Fan, J, Naher, Z, Goverse, A, Tjallingii, WF, Lindhout, P, Visser, RGF & Bai, Y 2011, 'Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes', Molecular Plant-Microbe Interactions, vol. 24, no. 4, pp. 441-450. https://doi.org/10.1094/MPMI-06-10-0145

TY - JOUR

T1 - Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes

AU - Seifi Abdolabad, A.R.

AU - Kaloshian, I.

AU - Vossen, J.

AU - Che, D.

AU - Bhattarai, K.

AU - Fan, J.

AU - Naher, Z.

AU - Goverse, A.

AU - Tjallingii, W.F.

AU - Lindhout, P.

AU - Visser, R.G.F.

AU - Bai, Y.

PY - 2011

Y1 - 2011

N2 - On the short arm of tomato chromosome 6, a cluster of disease resistance (R) has evolved harboring the Mi-1 and Cf genes. The Mi-1 gene confers resistance to root-knot nematodes, aphids and whiteflies. Previously we mapped two genes, Ol-4 and Ol-6 for resistance to tomato powdery mildew in this cluster. The aim of this study was to investigate whether Ol-4 and Ol-6 are homologues of the R genes located in this cluster. We show that near-isogenic lines (NILs) harboring Ol-4 (NIL-Ol-4) and Ol-6 (NIL-Ol-6) are also resistant to nematodes and aphids. Genetically, the resistance to nematodes co-segregates with Ol-4 and Ol-6, which are further fine-mapped to the Mi-1 cluster. We provide evidence that the composition of Mi homologues in NIL-Ol-4 and NIL-Ol-6 are different from other nematode-resistant tomato lines, Motelle and VFNT harboring the Mi-1 gene. Furthermore, we demonstrate that the resistances to both nematodes and tomato powdery mildew in these two NILs are governed by linked (if not the same) Mi-1 homologues in the Mi-1 cluster. Finally, how Solanum crops exploit Mi-1 homologues to defend themselves against distinct pathogens is discussed.

AB - On the short arm of tomato chromosome 6, a cluster of disease resistance (R) has evolved harboring the Mi-1 and Cf genes. The Mi-1 gene confers resistance to root-knot nematodes, aphids and whiteflies. Previously we mapped two genes, Ol-4 and Ol-6 for resistance to tomato powdery mildew in this cluster. The aim of this study was to investigate whether Ol-4 and Ol-6 are homologues of the R genes located in this cluster. We show that near-isogenic lines (NILs) harboring Ol-4 (NIL-Ol-4) and Ol-6 (NIL-Ol-6) are also resistant to nematodes and aphids. Genetically, the resistance to nematodes co-segregates with Ol-4 and Ol-6, which are further fine-mapped to the Mi-1 cluster. We provide evidence that the composition of Mi homologues in NIL-Ol-4 and NIL-Ol-6 are different from other nematode-resistant tomato lines, Motelle and VFNT harboring the Mi-1 gene. Furthermore, we demonstrate that the resistances to both nematodes and tomato powdery mildew in these two NILs are governed by linked (if not the same) Mi-1 homologues in the Mi-1 cluster. Finally, how Solanum crops exploit Mi-1 homologues to defend themselves against distinct pathogens is discussed.

KW - neighbor-joining method

KW - heat-stable resistance

KW - molecular linkage map

KW - disease resistance

KW - gene mi

KW - lycopersicon-peruvianum

KW - meloidogyne-incognita

KW - potato aphid

KW - defense

KW - pathogens

U2 - 10.1094/MPMI-06-10-0145

DO - 10.1094/MPMI-06-10-0145

M3 - Article

SN - 0894-0282

VL - 24

SP - 441

EP - 450

JO - Molecular Plant-Microbe Interactions

JF - Molecular Plant-Microbe Interactions

IS - 4

ER -

Linked, if not the same, Mi-1 homologues confer resistance to tomato powdery mildew and root-knot nematodes

Abstract

Keywords

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Datasets

Solanum subgen. Lycopersicon Mi-1 gene, intron 1

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