ArticleGenome biology and evolution2013
Evolutionary mobility of the ribosomal DNA array in yeasts.
Article in Genome biology and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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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
7 citing papers in PubMed, 14 citations in OpenAlex.
- The Role of Repetitive Sequences in Repatterning of Major Ribosomal DNA Clusters in Lepidoptera.Genome biology and evolution · 2023Article
- Two differentially stable rDNA loci coexist on the same chromosome and form a single nucleolus.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Fungal evolution: diversity, taxonomy and phylogeny of the Fungi.Biological reviews of the Cambridge Philosophical Society · 2019Article
- Review
- Contrasting Patterns of rDNA Homogenization within the Zygosaccharomyces rouxii Species Complex.PloS one · 2016Article
- Genome-wide replication landscape of Candida glabrata.BMC biology · 2015Article
- Comparative genome analysis and gene finding in Candida species using CGOB.Molecular biology and evolution · 2013Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ribosomal DNA (rDNA) of eukaryotes is organized as large tandem arrays. Here, we compare the genomic locations of rDNA among yeast species and show that, despite its huge size (>1 Mb), the rDNA array has moved around the genome several times within the family Saccharomycetaceae. We identify an ancestral, nontelomeric, rDNA site that is conserved across many species including Saccharomyces cerevisiae. Within the genus Lachancea, however, the rDNA apparently transposed from the ancestral site to a new site internal to a different chromosome, becoming inserted into a short intergenic region beside a tRNA gene. In at least four other yeast lineages, the rDNA moved from the ancestral site to telomeric locations. Remarkably, both the ancestral rDNA site and the new site in Lachancea are adjacent to protein-coding genes whose products maintain the specialized chromatin structure of rDNA (HMO1 and CDC14, respectively). In almost every case where the rDNA was lost from the ancestral site, the entire array disappeared without any other rearrangements in the region, leaving just an intergenic spacer of less than 2 kb. The mechanism by which this large and complex locus moves around the genome is unknown, but we speculate that it may involve the formation of double-strand DNA breaks by Fob1 protein or the formation of extrachromosomal rDNA circles.
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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.