ArticleGenetics2000
De novo evolution of satellite DNA on the rye B chromosome.
Article in Genetics, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed.
- The genetic mechanism of B chromosome drive in rye illuminated by chromosome-scale assembly.Nature communications · 2024Article
- Transposable elements: multifunctional players in the plant genome.Frontiers in plant science · 2023Review
- Review
- Non-Mendelian segregation and transmission drive of B chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2022Review
- Integration of Repeatomic and Cytogenetic Data on Satellite DNA for the Genome Analysis in the GenusPlants (Basel, Switzerland) · 2022Article
- 100 Years of Chromosome Research in Rye,Plants (Basel, Switzerland) · 2022Review
- Comprehending the dynamism of B chromosomes in their journey towards becoming unselfish.Frontiers in cell and developmental biology · 2022Review
- Out of patterns, the euchromatic B chromosome of the grasshopper Abracris flavolineata is not enriched in high-copy repeats.Heredity · 2021Article
- Complex sequence organization of heterochromatin in the holocentric plantComputational and structural biotechnology journal · 2021Article
- Satellite DNA Is an Inseparable Fellow Traveler of B Chromosomes.Progress in molecular and subcellular biology · 2021Review
- Conversion of DNA Sequences: From a Transposable Element to a Tandem Repeat or to a Gene.Genes · 2019Review
- Epigenetic DNA Modifications Are Correlated With B Chromosomes and Sex in the CichlidFrontiers in genetics · 2019Article
- Review
- Satellite DNA in Vicia faba is characterized by remarkable diversity in its sequence composition, association with centromeres, and replication timing.Scientific reports · 2018Article
- Post-meiotic B chromosome expulsion, during spermiogenesis, in two grasshopper species.Chromosoma · 2017Article
- Article
- Evolutionary dynamics of an at-rich satellite DNA and its contribution to karyotype differentiation in wild diploid Arachis species.Molecular genetics and genomics : MGG · 2017Article
- Rye (Secale cereale) supernumerary (B) chromosomes associated with heat tolerance during early stages of male sporogenesis.Annals of botany · 2017Article
- Origin of B chromosomes inComparative cytogenetics · 2017Article
- B Chromosomes - A Matter of Chromosome Drive.Frontiers in plant science · 2017Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The most distinctive region of the rye B chromosome is a subtelomeric domain that contains an exceptional concentration of B-chromosome-specific sequences. At metaphase this domain appears to be the physical counterpart of the subtelomeric heterochromatic regions present on standard rye chromosomes, but its conformation at interphase is less condensed. In this report we show that the two sequence families that have been previously found to make up the bulk of the domain have been assembled from fragments of a variety of sequence elements, giving rise to their ostensibly foreign origin. A single mechanism, probably based on synthesis-dependent strand annealing (SDSA), is responsible for their assembly. We provide evidence for sequential evolution of one family on the B chromosome itself. The extent of these rearrangements and the complexity of the higher-order organization of the B-chromosome-specific families indicate that instability is a property of the domain itself, rather than of any single sequence. Indirect evidence suggests that particular fragments may have been selected to confer different properties on the domain and that rearrangements are frequently selected for their effect on DNA structure. The current organization appears to represent a transient stage in the evolution of a conventional heterochromatic region from complex sequences.
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Registered trials
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.