Genome control by SMC complexes

C Hoencamp, BD Rowland - Nature Reviews Molecular Cell Biology, 2023 - nature.com
Many cellular processes require large-scale rearrangements of chromatin structure.
Structural maintenance of chromosomes (SMC) protein complexes are molecular machines …

Three-dimensional genome organization in immune cell fate and function

S Cuartero, G Stik, R Stadhouders - Nature Reviews Immunology, 2023 - nature.com
Immune cell development and activation demand the precise and coordinated control of
transcriptional programmes. Three-dimensional (3D) organization of the genome has …

[HTML][HTML] Cryo-EM structure of the Mre11-Rad50-Nbs1 complex reveals the molecular mechanism of scaffolding functions

M Rotheneder, K Stakyte, E van de Logt, JD Bartho… - Molecular cell, 2023 - cell.com
The DNA double-strand break repair complex Mre11-Rad50-Nbs1 (MRN) detects and
nucleolytically processes DNA ends, activates the ATM kinase, and tethers DNA at break …

Igh and Igk loci use different folding principles for V gene recombination due to distinct chromosomal architectures of pro-B and pre-B cells

L Hill, G Wutz, M Jaritz, H Tagoh, L Calderón… - Nature …, 2023 - nature.com
Extended loop extrusion across the immunoglobulin heavy-chain (Igh) locus facilitates VH-
DJH recombination following downregulation of the cohesin-release factor Wapl by Pax5 …

Contribution of the IGCR1 regulatory element and the 3′Igh CTCF-binding elements to regulation of Igh V(D)J recombination

Z Liang, L Zhao, AY Ye, SG Lin… - Proceedings of the …, 2023 - National Acad Sciences
Immunoglobulin heavy chain variable region exons are assembled in progenitor-B cells,
from VH, D, and JH gene segments located in separate clusters across the Igh locus. RAG …

Enhancer-instructed epigenetic landscape and chromatin compartmentalization dictate a primary antibody repertoire protective against specific bacterial pathogens

EM Barajas-Mora, L Lee, H Lu, JA Valderrama… - Nature …, 2023 - nature.com
Antigen receptor loci are organized into variable (V), diversity (D) and joining (J) gene
segments that rearrange to generate antigen receptor repertoires. Here, we identified an …

Molecular mechanisms insulating proliferation from genotoxic stress in B lymphocytes

NE Wright, M Mandal, MR Clark - Trends in Immunology, 2023 - cell.com
In mammals, B cells strictly segregate proliferation from somatic mutation as they develop
within the bone marrow and then mature through germinal centers (GCs) in the periphery …

SHLD1 is dispensable for 53BP1-dependent V (D) J recombination but critical for productive class switch recombination

E Vincendeau, W Wei, X Zhang, C Planchais… - Nature …, 2022 - nature.com
SHLD1 is part of the Shieldin (SHLD) complex, which acts downstream of 53BP1 to
counteract DNA double-strand break (DSB) end resection and promote DNA repair via non …

The Trypanosoma cruzi Antigen and Epitope Atlas: antibody specificities in Chagas disease patients across the Americas

AD Ricci, L Bracco, E Salas-Sarduy… - Nature …, 2023 - nature.com
During an infection the immune system produces pathogen-specific antibodies. These
antibody repertoires become specific to the history of infections and represent a rich source …

Systemic lupus erythematosus genetics: insights into pathogenesis and implications for therapy

Y Ghodke-Puranik, M Olferiev, MK Crow - Nature Reviews …, 2024 - nature.com
Systemic lupus erythematosus (SLE) is a prime example of how the interplay between
genetic and environmental factors can trigger systemic autoimmunity, particularly in young …