ArticleBMC genomics2014
Genome survey sequencing provides clues into glucosinolate biosynthesis and flowering pathway evolution in allotetrapolyploid Brassica juncea.
Article in BMC genomics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Towards Understanding the Factors Shaping the Composition and Function of theInternational journal of molecular sciences · 2025Review
- SMRT and Illumina RNA-Seq Identifies Potential Candidate Genes Related to the Double Flower Phenotype and Unveils SsAP2 as a Key Regulator of the Double-Flower Trait inInternational journal of molecular sciences · 2022Article
- Comparative analysis of glucosinolates and metabolite profiling of green and red mustard (3 Biotech · 2018Article
- Article
- Epiallelic changes in known stress-responsive genes under extreme drought conditions in Brassica juncea (L.) Czern.Plant cell reports · 2017Article
- Genome-Wide Identification, Localization, and Expression Analysis of Proanthocyanidin-Associated Genes inFrontiers in plant science · 2016Article
- Article
- A Time-Calibrated Road Map of Brassicaceae Species Radiation and Evolutionary History.The Plant cell · 2015Article
- Deciphering allelic variations for seed glucosinolate traits in oilseed mustard (Brassica juncea) using two bi-parental mapping populations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Intergenomic single nucleotide polymorphisms as a tool for bacterial artificial chromosome contig building of homoeologous Brassica napus regions.BMC genomics · 2014Article
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6 authors.
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Abstract
backgroundBrassica juncea is an economically important vegetable crop in China, oil crop in India, condiment crop in Europe and selected for canola quality recently in Canada and Australia. B. juncea (2n = 36, AABB) is an allotetraploid derived from interspecific hybridization between B. rapa (2n = 20, AA) and B. nigra (2n = 16, BB), followed by spontaneous chromosome doubling.
resultsComparative genome analysis by genome survey sequence (GSS) of allopolyploid B. juncea with B. rapa was carried out based on high-throughput sequencing approaches. Over 28.35 Gb of GSS data were used for comparative analysis of B. juncea and B. rapa, producing 45.93% reads mapping to the B. rapa genome with a high ratio of single-end reads. Mapping data suggested more structure variation (SV) in the B. juncea genome than in B. rapa. We detected 2,921,310 single nucleotide polymorphisms (SNPs) with high heterozygosity and 113,368 SVs, including 1-3 bp Indels, between B. juncea and B. rapa. Non-synonymous polymorphisms in glucosinolate biosynthesis genes may account for differences in glucosinolate biosynthesis and glucosinolate components between B. juncea and B. rapa. Furthermore, we identified distinctive vernalization-dependent and photoperiod-dependent flowering pathways coexisting in allopolyploid B. juncea, suggesting contribution of these pathways to adaptation for survival during polyploidization.
conclusionsTaken together, we proposed that polyploidization has allowed for accelerated evolution of the glucosinolate biosynthesis and flowering pathways in B. juncea that likely permit the phenotypic variation observed in the crop.
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