ArticleJournal of plant research2017
A GLABRA1 ortholog on LG A9 controls trichome number in the Japanese leafy vegetables Mizuna and Mibuna (Brassica rapa L. subsp. nipposinica L. H. Bailey): evidence from QTL analysis.
Article in Journal of plant research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- CRISPR mediated gene editing for economically important traits in horticultural crops: progress and prospects.Transgenic research · 2025Review
- A rare stop-gain SNP mutation in BrGL2 causes aborted trichome development in Chinese cabbage (Brassica rapa L. ssp. pekinensis).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Structural variation of GL1 gene determines the trichome formation in Brassica juncea.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genetic and Transcriptome Analysis of Leaf Trichome Development in Chinese Cabbage (International journal of molecular sciences · 2022Article
- Insight into the effect of low temperature treatment on trichome density and related differentially expressed genes in Chinese cabbage.PloS one · 2022Article
- CRISPR/Cas9-mediated genome editing ofFrontiers in plant science · 2022Article
- Combination of genetic analysis and ancient literature survey reveals the divergence of traditional Brassica rapa varieties from Kyoto, Japan.Horticulture research · 2021Article
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10 authors.
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Abstract
Brassica rapa show a wide range of morphological variations. In particular, the leaf morphologies of the Japanese traditional leafy vegetables Mizuna and Mibuna (Brassica rapa L. subsp. nipposinica L. H. Bailey) are distinctly different, even though they are closely related cultivars that are easy to cross. In addition to the differences in the gross morphology of leaves, some cultivars of Mibuna (Kyo-nishiki) have many trichomes on its leaves, whereas Mizuna (Kyo-mizore) does not. To identify the genes responsible for the different number of trichomes, we performed a quantitative trait loci (QTL) analysis of Mizuna and Mibuna. To construct linkage maps for these cultivars, we used RNA-seq data to develop cleaved amplified polymorphic sequence (CAPS) markers. We also performed a restriction site-associated DNA sequencing (RAD-seq) analysis to detect single-nucleotide polymorphisms (SNPs). Two QTL analyses were performed in different years, and both analyses indicated that the largest effect was found on LG A9. Expression analyses showed that a gene homologous to GLABRA1 (GL1), a transcription factor implicated in trichome development in Arabidopsis thaliana, and the sequences 3'-flanking (downstream) of BrGL1, differed considerably between Mizuna (Kyo-mizore) and Mibuna (Kyo-nishiki). These results indicate that BrGL1 on LG A9 is one of the candidate genes responsible for the difference in trichome number between Mizuna and Mibuna. Detecting genes that are responsible for morphological variations allows us to better understand the breeding history of Mizuna and Mibuna.
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