MODOMICS: a database of RNA modifications and related information. 2023 update

A Cappannini, A Ray, E Purta, S Mukherjee… - Nucleic Acids …, 2024 - academic.oup.com
The MODOMICS database was updated with recent data and now includes new data types
related to RNA modifications. Changes to the database include an expanded modification …

Exploring N6-methyladenosine (m6A) modification in tree species: opportunities and challenges

M Ramakrishnan, KS Rajan, S Mullasseri… - Horticulture …, 2024 - academic.oup.com
Abstract N 6-methyladenosine (m6A) in eukaryotes is the most common and widespread
internal modification in mRNA. The modification regulates mRNA stability, translation …

Structure of the mitoribosomal small subunit with streptomycin reveals Fe-S clusters and physiological molecules

Y Itoh, V Singh, A Khawaja, A Naschberger… - Elife, 2022 - elifesciences.org
The mitoribosome regulates cellular energy production, and its dysfunction is associated
with aging. Inhibition of the mitoribosome can be caused by off-target binding of …

Methyltransferase ATMETTL5 writes m6A on 18S ribosomal RNA to regulate translation in Arabidopsis

P Song, E Tian, Z Cai, X Chen, S Chen, K Yu… - New …, 2024 - Wiley Online Library
Aberrant RNA modifications can lead to dysregulated gene expression and impeded growth
in plants. Ribosomal RNA (rRNA) constitutes a substantial portion of total RNA, while the …

Structure of the actively translating plant 80S ribosome at 2.2 Å resolution

J Smirnova, J Loerke, G Kleinau, A Schmidt, J Bürger… - Nature Plants, 2023 - nature.com
In plant cells, translation occurs in three compartments: the cytosol, the plastids and the
mitochondria. While the structures of the (prokaryotic-type) ribosomes in plastids and …

Ratchet, swivel, tilt and roll: a complete description of subunit rotation in the ribosome

A Hassan, S Byju, FC Freitas, C Roc… - Nucleic acids …, 2023 - academic.oup.com
Protein synthesis by the ribosome requires large-scale rearrangements of the 'small'subunit
(SSU;∼ 1 MDa), including inter-and intra-subunit rotational motions. However, with nearly …

Recent advances and biotechnological applications of RNA metabolism in plant chloroplasts and mitochondria

NA Ali, W Song, J Huang, D Wu… - Critical Reviews in …, 2024 - Taylor & Francis
The chloroplast and mitochondrion are semi-autonomous organelles that play essential
roles in cell function. These two organelles are embellished with prokaryotic remnants and …

rRNA expansion segment 7 in eukaryotes: from Signature Fold to tentacles

M Biesiada, MY Hu, LD Williams… - Nucleic Acids …, 2022 - academic.oup.com
The ribosomal core is universally conserved across the tree of life. However, eukaryotic
ribosomes contain diverse rRNA expansion segments (ESs) on their surfaces. Sites of ES …

The structure of the human 80S ribosome at 1.9 Å resolution reveals the molecular role of chemical modifications and ions in RNA

S Holvec, C Barchet, A Lechner, L Fréchin… - Nature Structural & …, 2024 - nature.com
The ribosomal RNA of the human protein synthesis machinery comprises numerous
chemical modifications that are introduced during ribosome biogenesis. Here we present the …

Cytosolic RGG RNA-binding proteins are temperature sensitive flowering time regulators in Arabidopsis

A Bleckmann, N Spitzlberger, P Denninger… - Biological …, 2023 - degruyter.com
Abstract mRNA translation is tightly regulated by various classes of RNA-binding proteins
(RBPs) during development and in response to changing environmental conditions. In this …