Evidence map›Paper›PMID 41865341›Full record

ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2026

The Bra1K array: an efficient and versatile 1K liquid-phase SNP chip for genetics and breeding in Chinese cabbage.

Shuangjuan Yang, Ling Zhang, Zhaojun Wang, Hao Tang, Xiaochun Wei, Zhiyong Wang, Henan Su, Yanyan Zhao, Wenjing Zhang, Lin Li and 3 more

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Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

13 authors.

Shuangjuan Yang *Institute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Ling Zhang *Institute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Zhaojun WangCollege of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, Henan, China.
Hao TangInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Xiaochun WeiInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Zhiyong WangInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Henan SuInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Yanyan ZhaoInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Wenjing ZhangInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Lin LiInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Haohui YangInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China.
Xiaowei ZhangInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China. xiaowei5737@163.com.
Yuxiang YuanInstitute of Vegetables, Henan Academy of Agricultural Sciences, Graduate T & R Base of Zhengzhou University, Zhengzhou, 450002, China. yuxiangyuan126@126.com.ORCID http://orcid.org/0000-0002-9744-5983

Funding

the Fund for Distinguished Young Scholars from Henan Academy of Agricultural Sciences 2024JQ02the Key Sci-Tech R&D Project of Joint Foundation in Henan Province 232301420024the National Natural Science Foundation of China 32202485the National Natural Science Foundation of China 32573042the Zhongyuan Sci-Tech Innovation Leading Talents 244200510041
6 · The paper itself

Abstract

key messageThe Bra1K array, a novel 1K liquid-phase SNP chip developed using Genotyping by Target Sequencing (GBTS), serves as a versatile and efficient platform for genetic research and molecular breeding in Brassica rapa. The development of cost-effective and efficient genotyping platforms is essential for advancing genetics and breeding in Chinese cabbage (Brassica rapa L. ssp. pekinensis). Here, we present the Bra1K array, a liquid-phase SNP chip based on Genotyping by Target Sequencing (GBTS), comprising 1002 expertly selected probes. The array incorporates markers linked to key agronomic traits, including the flowering-related gene BrFLC1, clubroot-resistant genes Crr5 and CRs, Turnip mosaic virus resistance gene retr02, and orange heading gene BrCRTISO1, enabling effective foreground selection. We validated the array's utility through comprehensive applications: Phylogenetic analysis of 173 accessions revealed a clear population structure consistent with morphological diversity, and the construction of two high-density genetic maps (384 and 262 markers, respectively) enabled the precise localization of the Br-drp1 gene for dark yellow petals on chromosome A09 and the BrYL1 gene for yellow leaves on chromosome A06. Furthermore, in a marker-assisted backcrossing program, the Bra1K array guided the rapid introgression of the Crr5 gene into the elite line Y578-2. Within just two backcross cycles and one generation of selfing, we obtained homozygous, clubroot-resistant introgression lines with over 97% recovery of the recurrent parent genome. The Bra1K array is a robust, practical, and highly efficient genotyping solution that seamlessly integrates genetic exploration with molecular breeding in B. rapa.

Indexed as

Brassica rapaOligonucleotide Array Sequence AnalysisPlant BreedingPolymorphism, Single NucleotideChromosome MappingGenes, PlantGenetic MarkersGenotypeGenotyping TechniquesPhenotypePhylogenyGenetic MarkersChinese cabbageGene mappingGenotyping by target sequencingLiquid-phase chipMolecular breeding

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PMID41865341

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.