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Grass pea natural variation reveals oligogenic resistance to Fusarium oxysporum f. sp. pisi (CROSBI ID 300346)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Sampaio, Ana Margarida ; Alves, Mara Lisa ; Pereira, Priscila ; Valiollahi, Ehsan ; Santos, Carmen ; Šatović, Zlatko ; Rubiales, Diego ; de Sousa Araújo, Susana ; van Eeuwijk, Fred ; Vaz Patto, Maria Carlota Grass pea natural variation reveals oligogenic resistance to Fusarium oxysporum f. sp. pisi // Plant Genome, 14 (2021), 3; e20154, 19. doi: 10.1002/tpg2.20154

Podaci o odgovornosti

Sampaio, Ana Margarida ; Alves, Mara Lisa ; Pereira, Priscila ; Valiollahi, Ehsan ; Santos, Carmen ; Šatović, Zlatko ; Rubiales, Diego ; de Sousa Araújo, Susana ; van Eeuwijk, Fred ; Vaz Patto, Maria Carlota

engleski

Grass pea natural variation reveals oligogenic resistance to Fusarium oxysporum f. sp. pisi

Grass pea (Lathyrus sativusL.) is an annual legume species, phylogenetically closeto pea (Pisum sativumL.), that may be infected byFusarium oxysporumf. sp.pisi(Fop), the causal agent of fusarium wilt in peas with vast worldwide yield losses.A range of responses varying from high resistance to susceptibility to this pathogenhas been reported in grass pea germplasm. Nevertheless, the genetic basis of thatdiversity of responses is still unknown, hampering its breeding exploitation. To iden-tify genomic regions controlling grass pea resistance to fusarium wilt, a genome-wide association study approach was applied on a grass pea worldwide collection ofaccessions inoculated withFoprace 2. Disease responses were scored in this col-lection that was also subjected to high-throughput based single nucleotide polymor-phisms (SNP) screening through genotyping-by-sequencing. A total of 5, 651 high-quality SNPs were considered for association mapping analysis, performed usingmixed linear models accounting for population structure. Because of the absence of a fully assembled grass pea reference genome, SNP markers’ genomic positionswere retrieved from the pea’s reference genome v1a. In total, 17 genomic regionswere associated with three fusarium wilt response traits in grass pea, anticipating anoligogenic control. Seven of these regions were located on pea chromosomes 1, 6, and 7. The candidate genes underlying these regions were putatively involved in sec-ondary and amino acid metabolism, RNA (regulation of transcription), transport, anddevelopment. This study revealed important fusarium wilt resistance favorable grasspea SNP alleles, allowing the development of molecular tools for precision diseaseresistance breeding.

Lathyrus sativus L., SNP, GWAS, fusarium wilt, resistance

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Podaci o izdanju

14 (3)

2021.

e20154

19

objavljeno

1940-3372

10.1002/tpg2.20154

Povezanost rada

Biologija, Biotehnologija, Poljoprivreda (agronomija)

Poveznice
Indeksiranost