First discovered, long out of sight, finally visible: ribosomal DNA

AN Hall, E Morton, C Queitsch - Trends in Genetics, 2022 - cell.com
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 …

Harnessing the nucleolar DNA damage response in cancer therapy

J Xuan, K Gitareja, N Brajanovski, E Sanij - Genes, 2021 - mdpi.com
The nucleoli are subdomains of the nucleus that form around actively transcribed ribosomal
RNA (rRNA) genes. They serve as the site of rRNA synthesis and processing, and ribosome …

N6-methyladenosine upregulates ribosome biogenesis in environmental carcinogenesis

T Zhao, D Sun, K Long, B Lemos, Q Zhang… - Science of The Total …, 2023 - Elsevier
Many trace metal pollutants in surface water, the atmosphere, and soil are carcinogenic, and
ribosome biogenesis plays an important role in the carcinogenicity of heavy metals …

Substantial rDNA copy number reductions alter timing of development and produce variable tissue-specific phenotypes in C. elegans

EA Morton, AN Hall, JT Cuperus, C Queitsch - Genetics, 2023 - academic.oup.com
The genes that encode ribosomal RNAs are present in several hundred copies in most
eukaryotes. These vast arrays of repetitive ribosomal DNA (rDNA) have been implicated not …

[HTML][HTML] Diversity of ribosomes at the level of rRNA variation associated with human health and disease

D Rothschild, TT Susanto, X Sui, JP Spence, R Rangan… - Cell Genomics, 2024 - cell.com
With hundreds of copies of rDNA, it is unknown whether they possess sequence variations
that form different types of ribosomes. Here, we developed an algorithm for long-read variant …

Circulating differential miRNAs profiling and expression in hexavalent chromium exposed electroplating workers

J Jia, T Li, C Yao, J Chen, L Feng, Z Jiang, L Shi, J Liu… - Chemosphere, 2020 - Elsevier
Abstract Hexavalent chromium [Cr (Ⅵ)] has extensive applications in industries, and long-
term occupational exposure to Cr (Ⅵ) may lead to lung carcinoma and other cancers. While …

Sulfhydryl-functionalized 3D MXene-AuNPs enabled electrochemical sensors for the selective determination of Pb2+, Cu2+ and Hg2+ in grain

Y Chen, Y Liu, P Zhao, Y Liang, Y Ma, H Liu, J Hou… - Food Chemistry, 2024 - Elsevier
Herein, we made 3D MXene-AuNPs by in situ growth of gold nanoparticles (AuNPs) on the
surface of MXene by chemical reduction method, and then introduced three sulfhydryl (-SH) …

Regulation of nucleolar activity by MYC

IN Brown, MC Lafita-Navarro, M Conacci-Sorrell - Cells, 2022 - mdpi.com
The nucleolus harbors the machinery necessary to produce new ribosomes which are
critical for protein synthesis. Nucleolar size, shape, and density are highly dynamic and can …

Emerging methods for and novel insights gained by absolute quantification of mitochondrial DNA copy number and its clinical applications

B Li, P Kalinowski, BR Kim, AD Pauls… - Pharmacology & …, 2022 - Elsevier
The past thirty years have seen a surge in interest in pathophysiological roles of
mitochondria, and the accurate quantification of mitochondrial DNA copy number (mCN) in …

Arsenic and other metals as phenotype driving electrophiles in carcinogenesis

JM Danes, FR Palma, MG Bonini - Seminars in Cancer Biology, 2021 - Elsevier
There are several sources of heavy metal exposures whether occupational or
environmental. These are connected both with the existence of natural reservoirs of metal …