Molecular Biology

Srs2 binding to PCNA and its sumoylation contribute to RPA antagonism during the DNA damage response

1. Jiayi Fan
2. Nalini Dhingra
3. Tammy Yang
4. Vicki Yang
5. Xiaolan Zhao

• Curated by eLife

  eLife Assessment

  This manuscript reports valuable findings on the role of the Srs2 protein in turning off the DNA damage signaling response initiated by Mec1 (human ATR) kinase. The data provide convincing evidence that Srs2 interaction with PCNA and ensuing SUMO modification is required for checkpoint downregulation. However, while the model that Srs2 acts at gaps after camptothecin-induced DNA damage is reasonable, direct experimental evidence for this is currently lacking. The work will be of interest to cell biologists studying genome integrity.

Reviewed by eLife

EPB41L4A-AS1 long noncoding RNA acts in both cis- and trans-acting transcriptional regulation and controls nucleolar biology

1. Alan Monziani
2. Juan Pablo Unfried
3. Todor Cvetanovic
4. Igor Ulitsky

• Curated by eLife

  eLife Assessment

  The work provides important insights into how this lncRNA regulates gene expression via complex mechanisms, however, the biological relevance awaits validation in other models. This paper provides extensive and carefully analysed data that is of value in efforts to understand the role of the lncRNA EPB41L4A-AS1 in a human cell line. The data is generally convincing and supported by clever integrative analysis; however, the known extensive artefacts from individual Gapmer oligonucleotides cast some doubt over the interpretation of those experiments where only one targeting and one control Gapmer are used.

Reviewed by eLife

Human eIF2A has a minimal role in translation initiation and in uORF-mediated translational control in HeLa cells

1. Mykola Roiuk
2. Marilena Neff
3. Aurelio A Teleman

• Curated by eLife

  eLife Assessment

  In this valuable study, Roiuk et al combined ribosome profiling and reporter assays to provide compelling evidence that eIF2A does not have a major impact on mRNA translation in HeLa cells. These findings are consistent with several recent publications that disaffirm the previously proposed role of eIF2A in directing protein synthesis under stress. Considering that stress-dependent perturbations in translation play a major role in homeostasis and several pathological states (e.g., cancer and neurological disorders), this work should be of broad interest to researchers studying regulation of gene expression, stress-adaptation, cancer and neurobiology.

Reviewed by eLife

The Molecular Logic of Gtr1/2 and Pib2 Dependent TORC1 Regulation in Budding Yeast

1. Jacob H. Cecil
2. Cristina M. Padilla
3. Austin A. Lipinski
4. Paul R. Langlais
5. Xiangxia Luo
6. Andrew P. Capaldi

• Curated by eLife

  eLife assessment

  The study presents valuable findings concerning how a highly conserved signal transduction pathway helps budding yeast cells adapt their growth to nitrogen sources of differing qualities. However, the evidence is incomplete for the authors' main claim that the pathway adopts three distinct states depending on the nitrogen source. The presented data, particularly phospho-proteomic datasets, will be of interest to the cell growth signaling community.

Reviewed by eLife

A platform for lab management, note-keeping and automation

1. Aubin Fleiss
2. Alexander S. Mishin
3. Karen S. Sarkisyan

Reviewed by Arcadia Science

Nucleoplasmic Lamin A/C controls replication fork restart upon stress by modulating local H3K9me3 and ADP-ribosylation levels

1. Veronica Cherdyntseva
2. Joanna Paulson
3. Selin Adakli
4. Jean-Philippe Gagné
5. Moses Aouami
6. Patricia Ubieto-Capella
7. Daniel González-Acosta
8. Collin Bakker
9. Guy G. Poirier
10. Nitika Taneja
11. Massimo Lopes

Reviewed by preLights

NF-κB is a Central Regulator of Hypoxia-Induced Gene Expression

1. Dilem Shakir
2. Michael Batie
3. Chun-Sui Kwok
4. Simon J. Cook
5. Niall S. Kenneth
6. Sonia Rocha

Reviewed by Review Commons

RNase III cleavage signals spread across splice junctions enforce sequential processing of co-hosted snoRNAs

1. Valérie Migeot
2. Yves Mary
3. Etienne Fafard-Couture
4. Pierre Lombard
5. François Bachand
6. Michelle S Scott
7. Carlo Yague-Sanz

Reviewed by Review Commons

Negative regulation of miRNAs sorting in EVs: the RNA-binding protein PCBP2 impairs SYNCRIP-mediated miRNAs EVs loading

1. Francesco Marocco
2. Sabrina Garbo
3. Claudia Montaldo
4. Alessio Colantoni
5. Luca Quattrocchi
6. Gioele Gaboardi
7. Giovanna Sabarese
8. Carla Cicchini
9. Mario Lecce
10. Alessia Carnevale
11. Rossella Paolini
12. Gian Gaetano Tartaglia
13. Cecilia Battistelli
14. Marco Tripodi

• Curated by eLife

  eLife Assessment

  This manuscript makes a valuable contribution to the field by uncovering a molecular mechanism for miRNA intracellular retention, mediated by the interaction of PCBP2, SYNCRIP, and specific miRNA motifs. The findings are convincing and advance our understanding of RNA-binding protein-mediated miRNA sorting, providing deeper insights into miRNA dynamics.

Reviewed by eLife

Structure of an oxygen-induced tubular nanocompartment in Pyrococcus furiosus

1. Wenfei Song
2. Jan Fiala
3. Ioannis Skalidis
4. Pascal Albanese
5. Constantinos Patinios
6. Marten L Chaillet
7. Servé WM Kengen
8. Richard A Scheltema
9. Stuart C Howes
10. Albert JR Heck
11. Friedrich Förster

• Curated by eLife

  eLife Assessment

  Using advanced CryoEM and mass spectrometry, the authors provide compelling evidence of how tubule formation occurs in an oxygen-dependent manner. These fundamental findings offer a novel mechanism by which rubrerythrin tubules encapsulate encapsulin to prevent oxidative stress in Pyrococcus furiosus. However, there are a few reasonable concerns about biochemical validations and the lack of adequate description of results and methodology.

Reviewed by eLife