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Mi-1 Gene Expression in Tomato Plants Under Root-Knot Nematode Invasion and Treatment With Salicylic Acid

Mi-1 Gene Expression in Tomato Plants Under Root-Knot Nematode Invasion and Treatment With Salicylic Acid

V V Lavrova, Zh V Udalova, E M Matveeva, F K Khasanov, S V Zinovieva

Dokl Biochem Biophys. 2016 Nov;471(1):413-416.

PMID: 28058682

Abstract:

The dynamics of expression of two homologous genes Mi-1.1 and Mi-1.2 in the roots of resistant and susceptible tomato plants in non-invasion conditions and during invasion with the root-knot nematode M. incognita was studied. Nematode invasion was accompanied by a significant increase in the expression level of both genes; however, the accumulation of transcripts at the early stages of nematode invasion in the penetration of nematode juveniles to the roots was observed only in plants that contained the Mi-1.2 gene, which explains the resistance of tomatoes to this root-knot nematode, caused by only this gene. We reveal a change in the Mi-1 gene activity under exogenous salicylic acid treatment, which contributed to the formation of induced resistance to root-knot nematode in the susceptible plants.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP433311070	MI-1		433311-07-0	Price

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