| http://purl.uniprot.org/citations/34636851 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/34636851 | http://www.w3.org/2000/01/rdf-schema#comment | "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-associated auxin efflux carrier encoding PIN-LIKES7 (PILS7) which was more strongly suppressed in Pi-limited roots of Pi-starvation sensitive accessions. In the Col-0 background, Pi uptake and organ growth were impaired in both Pi-limited pht1;1 and two pils7 T-DNA insertion mutants, while Pi -limited pht1;2 had higher biomass and pht1;3 was indistinguishable from wild-type. Copy number variation at the PHT1 locus with loss of the PHT1;3 gene and smaller scale deletions in PHT1;1 and PHT1;2 predicted to alter both protein structure and function suggest diversification of PHT1 is a key driver for adaptation to P limitation. Haplogroup analysis revealed a phosphorylation site in the protein encoded by the PILS7 allele from stress-sensitive accessions as well as additional auxin-responsive elements in the promoter of the "stress tolerant" allele. The former allele's inability to complement the pils7-1 mutant in the Col-0 background implies the presence of a kinase signaling loop controlling PILS7 activity in accessions from P-rich environments, while survival in P-poor environments requires fine-tuning of stress-responsive root auxin signaling."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.org/dc/terms/identifier | "doi:10.1093/plphys/kiab441"xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Chen Q."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Wang X."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Whelan J."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Yi C."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Jost R."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Callahan D.L."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/author | "Fournier-Level A."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/date | "2021"xsd:gYear |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/name | "Plant Physiol"xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/pages | "2656-2673"xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/title | "Diverse phosphate and auxin transport loci distinguish phosphate tolerant from sensitive Arabidopsis accessions."xsd:string |
| http://purl.uniprot.org/citations/34636851 | http://purl.uniprot.org/core/volume | "187"xsd:string |
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