Rose and Blackspot

Name: Rose and Blackspot
Brand: VDM Verlag
SKU: 9783639328073
Price: 304.21 RON
Availability: InStock

Identification and Molecular Characterization of the Rdr1 Resistance Gene from Roses

Autor: Aneela Yasmin

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Editura: VDM Verlag

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Rdrl is the first monogenic dominant resistance gene described in the genus Rosa that is active agai...

Informații despre carte

Autor

Aneela Yasmin

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2011

Pagini

132

EAN

9783639328073

ISBN

3639328078

Enbook ID

06839545

Editura

VDM Verlag

Greutate

204

Dimensiuni

152 x 229 x 8

Descriere completă

Rdrl is the first monogenic dominant resistance gene described in the genus Rosa that is active against black spot of roses caused by Diplocarpon rosae, a facultative biotrophic parasitic ascomycete. It was introgressed from the wild rose species Rosa multiflora. According to the previous studies, the Rdr1 resistance locus carries nine copies of resistance gene analouges (RGA) of the Toll-interleukin 1 receptor (TIR), nucleotide binding site (NBS), leucine rich repeat (LRR) type within an interval of 220Kb of DNA. In the present study, the functional characterization of Rdr1 candidates led to the identification of a single major resistance gene active against black spot of roses. Initial sequence analysis, generation of single RGAs and homologous and heterologous expression studies of Rdr1 candidates reduced the number of candidate genes to five. One of the remaining five candidates, RGA8 could restrict the growth of Dort E4 significantly when used to complement the susceptible rose variety transiently. Transient homologous disease assay proved RGA8 as the single major resistance gene that confers resistance to black spot in roses.

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Rose and Blackspot

Identification and Molecular Characterization of the Rdr1 Resistance Gene from Roses

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