ArticleJournal of molecular evolution2011
A chimeric chromosome in the ciliate oxytricha resulting from duplication.
Article in Journal of molecular evolution, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Article
- Combinatorial DNA Rearrangement Facilitates the Origin of New Genes in Ciliates.Genome biology and evolution · 2015Article
- Article
- Multiple cellular mechanisms prevent chromosomal rearrangements involving repetitive DNA.Critical reviews in biochemistry and molecular biologyReview
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
In a process similar to exon splicing, ciliates use DNA splicing to produce a new somatic macronuclear genome from their germline micronuclear genome after sexual reproduction. This extra layer of DNA rearrangement permits novel mechanisms to create genetic complexity during both evolution and development. Here we describe a chimeric macronuclear chromosome in Oxytricha trifallax constructed from two smaller macronuclear chromosomes. To determine how the chimera was generated, we cloned and sequenced the corresponding germline loci. The chimera derives from a novel locus in the micronucleus that arose by partial duplication of the loci for the two smaller chromosomes. This suggests that an exon shuffling-like process, which we call MDS shuffling, enables ciliates to generate novel genetic material and gene products using different combinations of genomic DNA segments.
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