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Article

Recent degeneration of an old duplicated flowering time gene in Brassica nigra.

Heredity - 1 Jun 2007

Sjödin P, Hedman H, Shavorskaya O, Finet C, Lascoux M, Lagercrantz U

Abstract excerpt

Gene and genome duplications play a major role in the evolution of plant species. The Brassica nigra genome is highly replicated as a result of ancient polyploidization events. Two copies of the flowering time gene CONSTANS (COa and COb) have been identified in B. nigra, and previous studies showed that COa is functional. In the present study, the polymorphism of 92 COb alleles sampled in seven populations was...

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PMID: 17344804
DOI: 10.1038/sj.hdy.6800951

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Recent degeneration of an old duplicated flowering time gene in Brassica nigra.PMID 17344804Read ↗

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Multiple flowering time QTLs within several Brassica species could be the result of duplicated copies of one ancestral gene.Semantic proximity Read ↗

Successive duplication-divergence mechanisms at the RCO locus contributed to leaf shape diversity in the Brassicaceae.Semantic proximity Read ↗

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The sequence variation responsible for the functional difference between the CONSTANS protein, and the CONSTANS-like (COL) 1 and COL2 proteins, resides mostly in the region encoded by their first exons.Semantic proximity Read ↗

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