Results 41 to 50 of about 5,280 (159)
Structure of the MIWI endoribonuclease bound to pachytene piRNAs from mouse testes
Cell ReportsSummary: PIWI-interacting RNAs (piRNAs) guide PIWI endoribonucleases to destroy transposon transcripts, ensuring animal fertility. Here, we report the cryo-electron microscopy structure of the MIWI-pachytene piRNA complex isolated from mouse testes.
Nicole Raad +7 more
doaj +1 more source
Cell Proliferation, EarlyView.In the Drosophila ovarian niche, an E‐cadherin‐to‐N‐cadherin switch, mediated by Wnt‐mir‐994 signalling, is repurposed to ensure niche resilience. This compensatory mechanism maintains niche integrity and stem cell support upon E‐cadherin loss, revealing a robustness circuit.
Renjun Tu +6 more
wiley +1 more source
mBio, 2018 mazEF is a toxin-antitoxin module located on chromosomes of most bacteria. MazF toxins are endoribonucleases antagonized by MazE antitoxins. Previously, we characterized several quorum sensing peptides called "extracellular death factors" (EDFs).
Akanksha Nigam +2 more
doaj +1 more source
Proteostasis of organelles in aging and disease
The FEBS Journal, EarlyView.Cells rely on regulated proteostasis mechanisms to keep their internal compartments functioning properly. When these mechanisms fail, damaged proteins accumulate, disrupting organelles, such as the nucleus, mitochondria, endoplasmic reticulum, Golgi, and lysosomes, as well as membraneless organelles, such as stress granules, processing bodies, the ...
Yara Nabawi +5 more
wiley +1 more source
Biogenesis of TNF‐α‐insights into proteostasis and inflammation
The FEBS Journal, EarlyView.TNF‐α biogenesis, trafficking, and signalling are tightly and reciprocally coupled to cellular proteostasis systems, including ER chaperones and endoplasmic reticulum‐associated degradation. This bidirectional crosstalk determines whether TNF‐α responses are adaptive or proteotoxic.
Bailasan Haidar +3 more
wiley +1 more source
Conjugated polymer nanoparticles for effective siRNA delivery to tobacco BY-2 protoplasts
BMC Plant Biology, 2010 Background Post transcriptional gene silencing (PTGS) is a mechanism harnessed by plant biologists to knock down gene expression. siRNAs contribute to PTGS that are synthesized from mRNAs or viral RNAs and function to guide cellular endoribonucleases to ...
Verchot Jeanmarie +4 more
doaj +1 more source
Dual IRE1 targets: Determinants of the cell fate?
The FEBS Journal, EarlyView.IRE1 is an ER stress sensor that restores protein homeostasis through two signaling activities: XBP1s, which upregulates its target gene expression or RIDD which downregulates its target transcripts. We recently identified Dual IRE1 Targets (DIT) which are modulated by both XBP1s and RIDD activities.
Eva Billat +3 more
wiley +1 more source
Emerging experimental and bioinformatic approaches in RNA interference‐based pest control research
Insect Molecular Biology, EarlyView.Double‐stranded RNA (dsRNA) visualization, RNA‐induced silencing complex (RISC)‐bound sRNA‐seq and RNA degradomics allow investigating dsRNA uptake and processing, guide small interfering RNA selection and RISC‐mediated target mRNA cleavages. Transcriptomic and proteomic profiles of genome‐wide responses to dsRNA, including off‐target and compensatory ...
Doga Cedden
wiley +1 more source
Processing Endoribonucleases and mRNA Degradation in Bacteria [PDF]
Journal of Bacteriology, 2002 Volume 184, no. 17, p. 4645-4657, 2002. Page 4647, column 1, lines 42-45: The sentence should read “For example, one message in the T7 early polycistronic mRNA, as well as a few late messages, yields increased protein from RNase III cleavage while the others are not affected by such cleavages (41).”
openaire +3 more sources
An assay of ribonuclease H, endoribonucleases, and phosphatases [PDF]
Proceedings of the National Academy of Sciences, 1976 An assay for ribonuclease H (EC 3.1.4.34) is described which permits the estimation of the number and the type of cleavages produced by the enzyme when acting on the ribo moiety of a DNA-RNA hybrid substrate. With six different homopolymer hybrids tested, the number of enzymically induced breaks varied widely.
J G, Starvianopoulos, E, Chargaff
openaire +3 more sources