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Transcriptome and metabolome profiling uncover phenotypic divergence of gigantic and dwarf mutant genotypes in induced Pakchoi autotetraploids.

BMC plant biology - 28 Jan 2026

Tang Weihua, Zheng Jinshuang, Sun Chengzhen, Pan Qi

Abstract excerpt

BACKGROUND: Breeding for polyploidy in Brassica campestris L. has been employed to enhance agronomic traits. Polyploid plants exhibit improved productivity due to the 'gigas' effect driven by chromosome doubling. In our previous study, autotetraploids were induced in Pakchoi (Brassica campestris L. ssp. chinensis) via colchicine, resulting in two distinct autotetraploid genotypes: gigantic genotype 'P4x-3' with...

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PMID: 41593494
DOI: 10.1186/s12870-026-08164-y
PMCID: PMC12990522

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