Multiple loci and genetic interactions involving flowering time genes regulate stem branching among natural variants of Arabidopsis
Open accessAbstract
Summary: Shoot branching is a major determinant of plant architecture. Genetic variants for reduced stem branching in the axils of cauline leaves of Arabidopsis were found in some natural accessions and also at low frequency in the progeny of multiparent crosses. Detailed genetic analysis using segregating populations derived from backcrosses with the parental lines and bulked segregant analysis was used to identify the allelic variation controlling reduced stem branching. Eight quantitative trait loci ( QTL s) contributing to natural variation for reduced stem branching were identified ( REDUCED STEM BRANCHING 1–8 ( RSB 1–8 )). Genetic analysis showed that RSB 6 and RSB 7 , corresponding to flowering time genes FLOWERING LOCUS C ( FLC ) and FRIGIDA ( FRI ), epistatically regulate stem branching. Furthermore, FLOWERING LOCUS T ( FT ), which corresponds to RSB 8 as demonstrated by fine‐mapping, transgenic complementation and expression analysis, caused pleiotropic effects not only on flowering time, but, in the specific background of active FRI and FLC alleles, also on the RSB trait. The consequence of allelic variation only expressed in late‐flowering genotypes revealed novel and thus far unsuspected roles of several genes well characterized for their roles in flowering time control.
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Auxin-cytokinin interactions in the control of shoot branching
Shimizu-Sato, S., Tanaka, M., & Mori, H. (2009) · Plant Molecular Biology · doi:10.1007/s11103-008-9416-3 · Cited by 387 · see citing works
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Multiple pathways regulate shoot branching
Rameau, C., Bertheloot, J., Leduc, N., Andrieu, B., Foucher, F., & Sakr, S. (2015) · Frontiers in Plant Science · doi:10.3389/fpls.2014.00741 · Cited by 357 · see citing works
- Authors
- Huang, X., Ding, J., Effgen, S., Turck, F., & Koornneef, M.
- Affiliations
- Fudan University (CN)
- Max Planck Institute for Plant Breeding Research (DE)
- Corresponding author
- Huang, Xueqing
- Koornneef, Maarten
- Venue
- New Phytologist
- Publisher
- Wiley
- Published
- 2013-05-14
- Volume
- 199
- Issue
- 3
- Pages
- 843-857
- ISSN
- 0028-646X (ISSN-L)
- 1469-8137
- OpenAlex
- W2096059337
- Cited by
- 47
- References
- 3
- Citations by year
- 2026: 1 · 2025: 5 · 2024: 3 · 2023: 4 · 2022: 2 · 2021: 1 · 2020: 5 · 2019: 5 · 2018: 2 · 2017: 4 · 2016: 4 · 2015: 5 · 2014: 6
- FWCI
- 6.04
- Type
- journal article
- Language
- en
- Open access
- green
- research.wur.nl
- Licence
- Locations
- New Phytologist (publishedVersion)
- PubMed (publishedVersion)
- Socio-Environmental Systems Modeling (acceptedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Data Archiving and Networked Services (DANS) (submittedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Keywords
- stem branching, flowering time genes, Arabidopsis thaliana, quantitative trait loci, FLOWERING LOCUS C, FRIGIDA, FLOWERING LOCUS T, epistasis, pleiotropy, plant architecture, natural genetic variation, fine mapping, transgenic complementation
- MeSH terms
- Base Sequence, Crosses, Genetic, Epistasis, Genetic, Genetic Markers, Genotype, Inbreeding, Molecular Sequence Data, Phenotype, Reproducibility of Results, Genes, Plant, Arabidopsis, Plant Stems, Physical Chromosome Mapping, MADS Domain Proteins, Arabidopsis Proteins, Flowers, Quantitative Trait Loci
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