ArticleJournal of experimental botany2021
The B chromosome of Sorghum purpureosericeum reveals the first pieces of its sequence.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Molecular divergence and genomic composition of B chromosomes in the fish Cyphocharax modestus (Characiformes, Curimatidae).Scientific reports · 2026Article
- Distribution of B chromosomes in Prospero autumnale associates with higher reproductive performance in southern Iberia.Genetica · 2026Article
- Single-Nucleus Transcriptome Analysis Provides New Insights Into B Chromosome Elimination in Sorghum.Plant biotechnology journal · 2026Article
- Maize chromatin introgression's effect in oat × maize addition lines.Journal of applied genetics · 2026Article
- Sorghum embryos undergoing B chromosome elimination express B-variants of mitotic-related genes.Genome biology · 2025Article
- The maize B chromosome shapes the transcriptome throughout the entire plant life cycle.Journal of experimental botany · 2025Article
- Maize B chromosome affects the flowering time.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Dynamic meiotic behavior and evolutionary insights of supernumerary B chromosomes in the hangingflyComparative cytogenetics · 2025Article
- Karyotype Variability in WildPlants (Basel, Switzerland) · 2024Article
- Gametocidal genes: from a discovery to the application in wheat breeding.Frontiers in plant science · 2024Review
- Scoring the number of B chromosomes in Zea mays L. using droplet digital PCR assay.Plant methods · 2023Article
- Comprehending the dynamism of B chromosomes in their journey towards becoming unselfish.Frontiers in cell and developmental biology · 2022Review
- Differential expression of miRNAs in the presence of B chromosome in the cichlid fish Astatotilapia latifasciata.BMC genomics · 2021Article
- B Chromosomes in GenusPlants (Basel, Switzerland) · 2021Review
- The B chromosome of Sorghum purpureosericeum reveals the first pieces of its sequence.Journal of experimental botany · 2021Article
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Authors and funding
7 authors.
Funding
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Abstract
More than a century has passed since the B chromosomes were first discovered. Today we know much of their variability, morphology, and transmission to plant progeny. With the advent of modern technologies, B chromosome research has accelerated, and some of their persistent mysteries have since been uncovered. Building on this momentum, here we extend current knowledge of B chromosomes in Sorghum purpureosericeum to the sequence level. To do this, we estimated the B chromosome size at 421 Mb, sequenced DNA from flow-sorted haploid pollen nuclei of both B-positive (B+) and B-negative (B0) plants, and performed a repeat analysis on the Illumina raw sequence data. This analysis revealed nine putative B-specific clusters, which were then used to develop B chromosome-specific markers. Additionally, cluster SpuCL4 was identified and verified to be a centromeric repeat. We also uncovered two repetitive clusters (SpuCL168 and SpuCL115), which hybridized exclusively on the B chromosome under fluorescence in situ hybridization and can be considered as robust cytogenetic markers. Given that B chromosomes in Sorghum are rather unstable across all tissues, our findings could facilitate expedient identification of B+ plants and enable a wide range of studies to track this chromosome type in situ.
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