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Non-linear phenotypic variation uncovers the emergence of heterosis in Arabidopsis thaliana
- Source :
- PLoS Biology, PLoS Biology, Public Library of Science, 2019, 17 (4), 26 p. ⟨10.1371/journal.pbio.3000214⟩, PLOS Biology, PLoS Biology, 2019, 17 (4), 26 p. ⟨10.1371/journal.pbio.3000214⟩, PLoS Biology, Vol 17, Iss 4, p e3000214 (2019), Plos Biology 4 (17), 26 p.. (2019)
- Publication Year :
- 2019
- Publisher :
- HAL CCSD, 2019.
-
Abstract
- Recognition and exploitation of hybrid vigor or heterosis among individual crosses of plants and animals has a long and distinguished history. Its manifestation is influenced by a combination of genetic, epigenetic, phenotypic, and environmental factors. Although heterosis is known to be governed by both dominant and epistatic gene action, its expression is greatly influenced by nonlinear interaction among epigenetic and phenotypic (phenomic) components. The magnitude of heterosis is generally inferred post hoc by the phenotypic performance of hybrids among laboriously made individual crosses. The expression of dominance, however, is nonlinear at the cellular level and obeys the principles underlying metabolic flux. Then, is it possible to exploit these relationships to predict heterosis? Vasseur and colleagues have indeed demonstrated the feasibility of such an approach in a series of experiments taking integrated biochemical and computational approaches, as well as testing these results on large samples of model organisms. The results offer promise toward phenomic prediction of heterosis across a wide array of organisms.<br />A recent study applies allometric models to test Sewall Wright’s 85 year-old conjecture on the expression of dominance among traits that contribute to productivity and Darwinian fitness in Arabidopsis thaliana. This Primer explores the wide-ranging implications for agriculture and human health.
- Subjects :
- 0301 basic medicine
Animal breeding
Genotype
QH301-705.5
Heterosis
Population
Arabidopsis
Biology
General Biochemistry, Genetics and Molecular Biology
03 medical and health sciences
0302 clinical medicine
Hybrid Vigor
[SDV.BV]Life Sciences [q-bio]/Vegetal Biology
Biology (General)
Allele
education
Crosses, Genetic
Hybrid
2. Zero hunger
education.field_of_study
Vegetal Biology
General Immunology and Microbiology
Models, Genetic
General Neuroscience
15. Life on land
Phenotype
Primer
030104 developmental biology
Genetic distance
Biological Variation, Population
Evolutionary biology
Hybridization, Genetic
hétérosis
Allometry
General Agricultural and Biological Sciences
Biologie végétale
030217 neurology & neurosurgery
Subjects
Details
- Language :
- English
- ISSN :
- 15449173 and 15457885
- Database :
- OpenAIRE
- Journal :
- PLoS Biology, PLoS Biology, Public Library of Science, 2019, 17 (4), 26 p. ⟨10.1371/journal.pbio.3000214⟩, PLOS Biology, PLoS Biology, 2019, 17 (4), 26 p. ⟨10.1371/journal.pbio.3000214⟩, PLoS Biology, Vol 17, Iss 4, p e3000214 (2019), Plos Biology 4 (17), 26 p.. (2019)
- Accession number :
- edsair.doi.dedup.....8ffaca4091afbb92a3912aba21cb4d2c