Contrasting evolutionary patterns of the Rp1 resistance gene family in different species of Poaceae.

doi:10.1093/molbev/msq216

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Article

Contrasting evolutionary patterns of the Rp1 resistance gene family in different species of Poaceae.

Molecular biology and evolution - 1 Jan 2011

Luo Sha, Peng Junhua, Li Kunpeng, Wang Min, Kuang Hanhui

Abstract excerpt

Disease-resistance genes (R-genes) in plants show complex evolutionary patterns. We investigated the evolution of the Rp1 R-gene family in Poaceae, and 409 Rp1 fragments were sequenced from 21 species. Our data showed that the common ancestor of Poaceae had two Rp1 loci, but the number of Rp1 locus in extant species varies from one to five. Some wheat and Zea genotypes have dozens of Rp1 homologues in striking...

Topics

Base Sequence
Chimera
Evolution, Molecular
Gene Duplication
Genes, Plant
Genetic Variation
Genotype
Haplotypes
Immunity, Innate
Molecular Sequence Data
Multigene Family
Phylogeny
Plant Diseases
Plant Proteins
Poaceae
Sequence Analysis, DNA

Source

Open in PubMed

Identifiers

PMID: 20713469
DOI: 10.1093/molbev/msq216

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