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Genetic Dissection of Verticillium Wilt Resistance Mediated by Tomato Ve1

Open access
Fradin, Emilie F., Zhang, Zhao, Juarez Ayala, Juan C., Castroverde, Christian D.M., Nazar, Ross N., Robb, Jane, Liu, Chun-Ming, Thomma, Bart P.H.J.·2009·Plant Physiology

Abstract

Vascular wilt diseases caused by soil-borne pathogens are among the most devastating plant diseases worldwide. The Verticillium genus includes vascular wilt pathogens with a wide host range. Although V. longisporum infects various hosts belonging to the Cruciferaceae, V. dahliae and V. albo-atrum cause vascular wilt diseases in over 200 dicotyledonous species, including economically important crops. A locus responsible for resistance against race 1 strains of V. dahliae and V. albo-atrum has been cloned from tomato (Solanum lycopersicum) only. This locus, known as Ve, comprises two closely linked inversely oriented genes, Ve1 and Ve2, that encode cell surface receptor proteins of the extracellular leucine-rich repeat receptor-like protein class of disease resistance proteins. Here, we show that Ve1, but not Ve2, provides resistance in tomato against race 1 strains of V. dahliae and V. albo-atrum and not against race 2 strains. Using virus-induced gene silencing in tomato, the signaling cascade downstream of Ve1 is shown to require both EDS1 and NDR1. In addition, NRC1, ACIF, MEK2, and SERK3/BAK1 also act as positive regulators of Ve1 in tomato. In conclusion, Ve1-mediated resistance signaling only partially overlaps with signaling mediated by Cf proteins, type members of the receptor-like protein class of resistance proteins.

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Metadata

Authors
Fradin, E. F., Zhang, Z., Juarez Ayala, J. C., Castroverde, C. D. M., Nazar, R. N., Robb, J., Liu, C.-M., & Thomma, B. P. H. J.
Venue
Plant Physiology
Published
2009-03-25
Volume
150
Issue
1
Pages
320-332
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
OpenAlex
W2066743397
Cited by
487
References
0
FWCI
25.31
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Genetic Dissection of Verticillium Wilt Resistance Mediated by Tomato Ve1. https://app.cochat.ai/papers/10.1104/pp.109.136762
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Fradin, E. F., Zhang, Z., Juarez Ayala, J. C., Castroverde, C. D. M., Nazar, R. N., Robb, J., Liu, C.-M., & Thomma, B. P. H. J. (2009). Genetic Dissection of Verticillium Wilt Resistance Mediated by Tomato Ve1. Plant Physiology. https://doi.org/10.1104/pp.109.136762

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