Homologs of the Genes for Receptor-Like Kinase Proteins Conferring Plant Resistance to Pathogens: Resistance Gene Homologs in Solanum Species |
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Authors: | Zaitsev V S Naroditsky B S Khavkin E E |
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Institution: | (1) Institute of Agricultural Biotechnology, Russian Academy of Agricultural Sciences, Timiryazevskaya ul. 42, Moscow, 127550, Russia |
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Abstract: | Direct amplification of the genomic DNA from cultivated and wild Solanum species was used to synthesize three groups of NBS-LRR homologs of the genes which encode the pathogen-recognizing receptor-like serine/threonine kinases (RLK): (1) the NBS-kinase regions homologous to the arabidopsis RPS2 gene, the tobacco N gene, and the flax L6 gene (the corresponding GenBank accession nos. U14158, U15605, and U27081); (2) full-size sequences homologous to the Pto gene of Lycopersicon pimpinellifolium (AF220602); and (3) LRR regions homologous to potato genesGpa2/Rx1 (AJ249449 and AJ011801) and the tomato gene Mi1 (AF091048). The nucleotide and deduced amino acid sequences of the cloned fragments of the genes and pseudogenes were compared to the already known genes and their homologs within the family Solanaceae. |
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Keywords: | Capsicum Lycopersicon Solanum resistance genes NBS-LRR homologs receptor-like serine/threonine kinases |
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