ArticlePlant physiology2011
Dispersed benzoxazinone gene cluster: molecular characterization and chromosomal localization of glucosyltransferase and glucosidase genes in wheat and rye.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 68 citations in OpenAlex.
- Plant Volatile Methyl Salicylate Primes Wheat Defense Against the Grain Aphid by Altering the Synthesis of Defense Metabolites.Plant, cell & environment · 2026Article
- Evolutionary divergence and regulatory landscapes of benzoxazinoid metabolism in monocot crops.Plant cell reports · 2026Review
- Integration of the D-Genome Reshapes Gene Transcription, Chromatin Architecture, and Metabolome of Allohexaploid Wheat, Leading to Enhanced Environmental Adaptability.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Biosynthesis of pathogen-induced hydroxylated tryptamine derivatives in barley.Plant physiology · 2026Article
- Evolutionary tuning of a biosynthetic gene cluster drives furanocoumarin accumulation and diversification.Nature communications · 2026Article
- Genome-wide identification of the DFR gene family in Dracaena cambodiana and its expression analysis under wound stress.BMC plant biology · 2026Article
- Genome-Wide Identification and Expression Analysis ofPlants (Basel, Switzerland) · 2024Article
- Anthocyanin gene enrichment in the distal region of cotton chromosome A07: mechanisms of reproductive organ coloration.Frontiers in plant science · 2024Article
- Reinventing metabolic pathways: Independent evolution of benzoxazinoids in flowering plants.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- The transcription factor TaMYB31 regulates the benzoxazinoid biosynthetic pathway in wheat.Journal of experimental botany · 2022Article
- Genetic Resources of Cereal Crops for Aphid Resistance.Plants (Basel, Switzerland) · 2022Review
- Horizontal transfer and evolution of the biosynthetic gene cluster for benzoxazinoids in plants.Plant communications · 2022Article
- Pathogen-induced biosynthetic pathways encode defense-related molecules in bread wheat.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Increased benzoxazinoid (Bx) levels in wheat seedlings via jasmonic acid treatment and etiolation and their effects onBiochemistry and biophysics reports · 2021Article
- Exploring the genic resources underlying metabolites through mGWAS and mQTL in wheat: From large-scale gene identification and pathway elucidation to crop improvement.Plant communications · 2021Review
- Transcriptome Analysis Reveals a Potential Role of Benzoxazinoid in Regulating Stem Elongation in the Wheat MutantFrontiers in genetics · 2021Article
- GenesGenes · 2020Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Benzoxazinones (Bxs) are major defensive secondary metabolites in wheat (Triticum aestivum), rye (Secale cereale), and maize (Zea mays). Here, we identified full sets of homeologous and paralogous genes encoding Bx glucosyltransferase (GT) and Bx-glucoside glucosidase (Glu) in hexaploid wheat (2n = 6x = 42; AABBDD). Four GT loci (TaGTa-TaGTd) were mapped on chromosomes 7A, 7B (two loci), and 7D, whereas four glu1 loci (Taglu1a-Taglu1d) were on chromosomes 2A, 2B (two loci), and 2D. Transcript levels differed greatly among the four loci; B-genome loci of both TaGT and Taglu1 genes were preferentially transcribed. Catalytic properties of the enzyme encoded by each homeolog/paralog also differed despite high levels of identity among amino acid sequences. The predominant contribution of the B genome to GT and Glu reactions was revealed, as observed previously for the five Bx biosynthetic genes, TaBx1 to TaBx5, which are separately located on homeologous groups 4 and 5 chromosomes. In rye, where the ScBx1 to ScBx5 genes are dispersed to chromosomes 7R and 5R, ScGT and Scglu were located separately on chromosomes 4R and 2R, respectively. The dispersal of Bx-pathway loci to four distinct chromosomes in hexaploid wheat and rye suggests that the clustering of Bx-pathway genes, as found in maize, is not essential for coordinated transcription. On the other hand, barley (Hordeum vulgare) was found to lack the orthologous GT and glu loci like the Bx1 to Bx5 loci despite its close phylogenetic relationship with wheat and rye. These results contribute to our understanding of the evolutionary processes that the Bx-pathway loci have undergone in grasses.
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