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Mostrando ítems 31-40 de 54
Artículo
Centriolar Subdistal Appendages Promote Double-strand Break Repair Through Homologous Recombination
(1469-3178, 2023)
The centrosome is a cytoplasmic organelle with roles in microtu-bule organization that has also been proposed to act as a hub forcellular signaling. Some centrosomal components are required forfull activation of the DNA ...
Artículo
One step back before moving forward: regulation of transcription elongation by arrest and backtracking
(Wiley-Blackwell, 2012)
RNA polymerase II backtracking is a well-known phenomenon, but its involvement in gene regulation is yet to be addressed. Structural studies into the backtracked complex, new reactivation mechanisms and genome-wide approaches ...
Artículo
A eukaryotic-like 3′ untranslated region in Salmonella enterica hilD mRNA
(Oxford University Press, 2014)
Long 3' untranslated regions (3'UTRs) are common in eukaryotic mRNAs. In contrast, long 3'UTRs are rare in bacteria, and have not been characterized in detail. We describe a 3'UTR of 310 nucleotides in hilD mRNA, a transcript ...
Artículo
Nucleo-cytoplasmic Shuttling of RNA-binding Factors: mRNA Buffering and Beyond
(Elsevier, 2022)
Gene expression is a highly regulated process that adapts RNAs and proteins content to the cellular context. Under steady-state conditions, mRNA homeostasis is robustly maintained by tight controls that act on both nuclear ...
Artículo
SNRPD2 Is a Novel Substrate for the Ubiquitin Ligase Activity of the Salmonella Type III Secretion Effector SlrP
(Multidisciplinary Digital Publishing Institute (MDPI), 2022)
SlrP is a protein with E3 ubiquitin ligase activity that is translocated by Salmonella enterica serovar Typhimurium into eukaryotic host cells through a type III secretion system. A yeast two-hybrid screen was performed ...
Artículo
STM2209-STM2208 (opvAB): A Phase Variation Locus of Salmonella enterica Involved in Control of O-Antigen Chain Length
(Public Library of Science, 2012)
STM2209 and STM2208 are contiguous loci annotated as putative protein-coding genes in the chromosome of Salmonella enterica. Lack of homologs in related Enterobacteria and low G+C content suggest that S. enterica may have ...
Artículo
Characterization of NO-Induced Nitrosative Status in Human Placenta from Pregnant Women with Gestational Diabetes Mellitus
(Hindawi Publishing Corporation, 2017)
Dysregulation of NO production is implicated in pregnancy-related diseases, including gestational diabetes mellitus (GDM). The role of NO and its placental targets in GDM pregnancies has yet to be determined. S-Nitrosylation ...
Artículo
Npa1p is an essential trans-acting factor required for an early step in the assembly of 60S ribosomal subunits in Saccharomyces cerevisiae
(Cold Spring Harbor Laboratory Press, 2004)
Ribosome biogenesis requires > 100 nonribosomal proteins, which are associated with different preribosomal particles. The substrates, the interacting partners, and the timing of action of most of these proteins are largely ...
Artículo
Calmodulin in Paramecium: Focus on Genomic Data
(MDPI, 2022)
Calcium (Ca2+) is a universal second messenger that plays a key role in cellular signaling. However, Ca2+ signals are transduced with the help of Ca2+-binding proteins, which serve as sensors, transducers, and elicitors. ...
Artículo
Adaptation of Salmonella enterica to bile: essential role of AcrAB-mediated efflux
(Society for Applied Microbiology, 2018)
Adaptation to bile is the ability to endure the lethal effects of bile salts after growth on sublethal concentrations. Surveys of adaptation to bile in Salmonella enterica ser. Tyhimurium reveal that active efflux is ...