First discovered, long out of sight, finally visible: ribosomal DNA.
First discovered, long out of sight, finally visible: ribosomal DNA.
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DOI:
10.1016/j.tig.2022.02.005
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发表时间:
2022-06
影响因子:
11.4
通讯作者:
Queitsch, Christine
中科院分区:
文献类型:
--
作者:
Hall, Ashley N.;Morton, Elizabeth;Queitsch, Christine
With the advent of long-read sequencing, previously unresolvable genomic elements are being revisited in an effort to generate fully complete reference genomes. One such element is ribosomal DNA (rDNA), the highly conserved genomic region that encodes rRNAs. Genomic structure and content of the rDNA are variable in both prokarya and eukarya, posing interesting questions about the biology of rDNA. Here, we consider the types of variation observed in rDNA – including locus structure and number, copy number, and sequence variation – and their known phenotypic consequences. With recent advances in long-read sequencing technology, incorporating the full rDNA sequence into reference genomes is within reach. This knowledge will have important implications for understanding rDNA biology within the context of cell physiology and whole-organism phenotypes.
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