ArticlePloS one2011
The relationship between population structure and aluminum tolerance in cultivated sorghum.
Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 76 citations in OpenAlex.
- Genetic diversity of Ethiopian sorghum reveals signatures of climatic adaptation.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Association mapping and genomic selection for sorghum adaptation to tropical soils of Brazil in a sorghum multiparental random mating population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- De novo identification and targeted sequencing of SSRs efficiently fingerprints Sorghum bicolor sub-population identity.PloS one · 2021Article
- Exploiting sorghum genetic diversity for enhanced aluminum tolerance: Allele mining based on the AltScientific reports · 2018Article
- Molecular markers associated with aluminium tolerance inHereditas · 2018Article
- Back to Acid Soil Fields: The Citrate Transporter SbMATE Is a Major Asset for Sustainable Grain Yield for Sorghum Cultivated on Acid Soils.G3 (Bethesda, Md.) · 2015Article
- Genome-environment associations in sorghum landraces predict adaptive traits.Science advances · 2015Article
- Duplicate and conquer: multiple homologs of PHOSPHORUS-STARVATION TOLERANCE1 enhance phosphorus acquisition and sorghum performance on low-phosphorus soils.Plant physiology · 2014Article
- Two in one sweep: aluminum tolerance and grain yield in P-limited soils are associated to the same genomic region in West African sorghum.BMC plant biology · 2014Article
- Association mapping provides insights into the origin and the fine structure of the sorghum aluminum tolerance locus, AltSB.PloS one · 2014Article
- Genomic regions underlying agronomic traits in linseed (Linum usitatissimum L.) as revealed by association mapping.Journal of integrative plant biology · 2014Article
- Population structure in nontypeable Haemophilus influenzae.Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2013Article
- Whole-genome sequencing reveals untapped genetic potential in Africa's indigenous cereal crop sorghum.Nature communications · 2013Article
- Genome-wide association analysis of aluminum tolerance in cultivated and Tibetan wild barley.PloS one · 2013Article
- Genetic structure, linkage disequilibrium and signature of selection in Sorghum: lessons from physically anchored DArT markers.PloS one · 2012Article
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Authors and funding
19 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAcid soils comprise up to 50% of the world's arable lands and in these areas aluminum (Al) toxicity impairs root growth, strongly limiting crop yield. Food security is thereby compromised in many developing countries located in tropical and subtropical regions worldwide. In sorghum, SbMATE, an Al-activated citrate transporter, underlies the Alt(SB) locus on chromosome 3 and confers Al tolerance via Al-activated root citrate release. METHODOLOGY: Population structure was studied in 254 sorghum accessions representative of the diversity present in cultivated sorghums. Al tolerance was assessed as the degree of root growth inhibition in nutrient solution containing Al. A genetic analysis based on markers flanking Alt(SB) and SbMATE expression was undertaken to assess a possible role for Alt(SB) in Al tolerant accessions. In addition, the mode of gene action was estimated concerning the Al tolerance trait. Comparisons between models that include population structure were applied to assess the importance of each subpopulation to Al tolerance. CONCLUSION/SIGNIFICANCE: Six subpopulations were revealed featuring specific racial and geographic origins. Al tolerance was found to be rather rare and present primarily in guinea and to lesser extent in caudatum subpopulations. Alt(SB) was found to play a role in Al tolerance in most of the Al tolerant accessions. A striking variation was observed in the mode of gene action for the Al tolerance trait, which ranged from almost complete recessivity to near complete dominance, with a higher frequency of partially recessive sources of Al tolerance. A possible interpretation of our results concerning the origin and evolution of Al tolerance in cultivated sorghum is discussed. This study demonstrates the importance of deeply exploring the crop diversity reservoir both for a comprehensive view of the dynamics underlying the distribution and function of Al tolerance genes and to design efficient molecular breeding strategies aimed at enhancing Al tolerance.
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