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Diverse phosphate and auxin transport loci distinguish phosphate tolerant from sensitive Arabidopsis accessions.

Tipo de material: TextoTextoSeries ; Plant Physiology, 10.1093/plphys/kiab441, 2021Trabajos contenidos:
  • Yi, C
  • Wang, X
  • Chen, Q
  • Callahan, D. L
  • Fournier-Level, A
  • Whelan, J
  • Jost, R
Recursos en línea: Resumen: Phosphorus (P)is an essential element for plant growth often limiting agroecosystems. To identify genetic determinants of performance under variable phosphate (Pi)supply, we conducted genome-wide association studies on five highly predictive Pi starvation response traits in 200 Arabidopsis (Arabidopsis thaliana)accessions. Pi concentration in Pi-limited organs had the strongest, and primary root length had the weakest genetic component. Of 70 trait-associated candidate genes, 17 responded to Pi withdrawal. The PHOSPHATE TRANSPORTER1 gene cluster on chromosome 5 comprises PHT1;1, PHT1;2, and PHT1;3 with known impact on P status. A second locus featured uncharacterized endomembrane-associat.
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Phosphorus (P)is an essential element for plant growth often limiting agroecosystems. To identify genetic determinants of performance under variable phosphate (Pi)supply, we conducted genome-wide association studies on five highly predictive Pi starvation response traits in 200 Arabidopsis (Arabidopsis thaliana)accessions. Pi concentration in Pi-limited organs had the strongest, and primary root length had the weakest genetic component. Of 70 trait-associated candidate genes, 17 responded to Pi withdrawal. The PHOSPHATE TRANSPORTER1 gene cluster on chromosome 5 comprises PHT1;1, PHT1;2, and PHT1;3 with known impact on P status. A second locus featured uncharacterized endomembrane-associat.

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