Abdelkader Namane
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View article: RNA degradation triggered by decapping is largely independent of initial deadenylation
RNA degradation triggered by decapping is largely independent of initial deadenylation Open
RNA stability, important for eukaryotic gene expression, is thought to depend on deadenylation rates, with shortened poly(A) tails triggering decapping and 5′ to 3′ degradation. In contrast to this view, recent large-scale studies indicate…
View article: eIF2A represses cell wall biogenesis gene expression in Saccharomyces cerevisiae
eIF2A represses cell wall biogenesis gene expression in Saccharomyces cerevisiae Open
Translation initiation is a complex and highly regulated process that represents an important mechanism, controlling gene expression. eIF2A was proposed as an alternative initiation factor, however, its role and biological targets remain t…
View article: Cinétiques de biodégradation du phénol par des bactéries autochtones librement suspendus dans un réacteur batch
Cinétiques de biodégradation du phénol par des bactéries autochtones librement suspendus dans un réacteur batch Open
Dans cet article, la biodégradation du phénol dans un réacteur batch par des bactéries autochtones, bacilles à Gram négatif et aérobies strictes, isolées à partir des eaux résiduaires usées de l’oued El Harrach, Alger, a été étudiée. L’eff…
View article: Xrn1 biochemically associates with eisosome proteins after the post diauxic shift in yeast
Xrn1 biochemically associates with eisosome proteins after the post diauxic shift in yeast Open
mRNA degradation is one of the main steps of gene expression, and a key player is the 5’-3’ exonuclease Xrn1. In Saccharomyces cerevisiae, it was previously shown, by a microscopy approach, that Xrn1 is located to different cellular…
View article: Xrn1 biochemically associates to the eisosome after the post diauxic shift in yeast
Xrn1 biochemically associates to the eisosome after the post diauxic shift in yeast Open
mRNA degradation is one of the main steps of gene expression, and a key player is the 5’-3’ exonuclease Xrn1. In Saccharomyces cerevisiae , it was previously shown, by a microscopy approach, that Xrn1 is located to different cellular compa…
View article: Deadenylation rate is not a major determinant of RNA degradation in yeast
Deadenylation rate is not a major determinant of RNA degradation in yeast Open
Gene expression and its regulation depend on mRNA degradation. In eukaryotes, degradation is controlled by deadenylation rates, since a short poly(A) tail is considered to be the signal that activates decapping and triggers mRNA degradatio…
View article: Treatment of Petroleum Hydrocarbon Contaminated Soil by Fenton-Like and Biological Oxidation - Semi-Pilot Scale Application
Treatment of Petroleum Hydrocarbon Contaminated Soil by Fenton-Like and Biological Oxidation - Semi-Pilot Scale Application Open
View article: Color Based Object Categorization Using Histograms of Oriented Hue and Saturation
Color Based Object Categorization Using Histograms of Oriented Hue and Saturation Open
In the last few years, there has been a lot of interest in making smart components, e.g. robots, able to simulate human capacity of object recognition and categorization. In this paper, we propose a new revolutionary approach for object ca…
View article: TREATMENT OF ORGANIC POLLUTED WATER BY SPENT COFFEE GROUNDS IN THE CONTEXT OF INTEGRATED WASTE MANAGEMENT IN ALGERIA
TREATMENT OF ORGANIC POLLUTED WATER BY SPENT COFFEE GROUNDS IN THE CONTEXT OF INTEGRATED WASTE MANAGEMENT IN ALGERIA Open
This paper presents the feasibility of phenol removal from aqueous solutions by using microwaves activated spent coffee grounds.The activation of the coffee grounds made it possible to increase with 75% the quantity eliminated compared to …
View article: A structural inventory of native ribosomal ABCE1‐43S pre‐initiation complexes
A structural inventory of native ribosomal ABCE1‐43S pre‐initiation complexes Open
View article: Structural inventory of native ribosomal ABCE1-43S pre-initiation complexes
Structural inventory of native ribosomal ABCE1-43S pre-initiation complexes Open
In eukaryotic translation, the termination and recycling phases are linked to subsequent initiation by persistence of several factors. These comprise the large eIF3 complex, eIF3j (Hcr1 in yeast) and the ATP-binding cassette protein ABCE1 …
View article: Structural and functional insights into CWC27/CWC22 heterodimer linking the exon junction complex to spliceosomes
Structural and functional insights into CWC27/CWC22 heterodimer linking the exon junction complex to spliceosomes Open
Human CWC27 is an uncharacterized splicing factor and mutations in its gene are linked to retinal degeneration and other developmental defects. We identify the splicing factor CWC22 as the major CWC27 partner. Both CWC27 and CWC22 are pres…
View article: STUDY OF BATCH ADSORPTION OF URANIUM IONS BY MCM-48 MATERIALS SYNTHESIZED AT ROOM TEMPERATURE
STUDY OF BATCH ADSORPTION OF URANIUM IONS BY MCM-48 MATERIALS SYNTHESIZED AT ROOM TEMPERATURE Open
The mesoporous MCM-48 was synthesized at room temperature with different templates such as hexadecytrimethylammonium bromide (C16TABr), hexadecytrimethylammonium chloride (C16TACl) and dodecyltrimethlammonium chloride (C12TACl).The obtaine…
View article: Robust Local Descriptor for Color Object Recognition
Robust Local Descriptor for Color Object Recognition Open
Image category recognition is important to access visual information on the level of objects and scene types.In this paper, we propose a new approach for color object recognition using the powerful information provided by the color.This ap…
View article: A specialised <scp>SKI</scp> complex assists the cytoplasmic <scp>RNA</scp> exosome in the absence of direct association with ribosomes
A specialised <span>SKI</span> complex assists the cytoplasmic <span>RNA</span> exosome in the absence of direct association with ribosomes Open
View article: Withdrawal: Interleukin-7 compartmentalizes its receptor signaling complex to initiate CD4 T lymphocyte response
Withdrawal: Interleukin-7 compartmentalizes its receptor signaling complex to initiate CD4 T lymphocyte response Open
Interleukin-7 Compartmentalizes Its Receptor Signaling Complex to Initiate CD4 T Lymphocyte ResponseJournal of Biological ChemistryVol. 285Issue 20PreviewInterleukin (IL)-7 is a central cytokine that controls homeostasis of the CD4 T lymph…
View article: Nonsense‐mediated <scp>mRNA</scp> decay involves two distinct Upf1‐bound complexes
Nonsense‐mediated <span>mRNA</span> decay involves two distinct Upf1‐bound complexes Open
View article: A SKI subcomplex specifically required for the degradation of ribosome-free RNA regions
A SKI subcomplex specifically required for the degradation of ribosome-free RNA regions Open
Summary The Ski2-Ski3-Ski8 (SKI) complex assists the RNA exosome during the 3’-5’ degradation of cytoplasmic transcripts. Previous reports showed that the SKI complex is involved in the 3’-5’ degradation of mRNA, including 3’ untranslated …
View article: Detection and Degradation of Nonsense-mediated mRNA Decay Substrates Involve Two Distinct Upf1-bound Complexes
Detection and Degradation of Nonsense-mediated mRNA Decay Substrates Involve Two Distinct Upf1-bound Complexes Open
Nonsense-mediated mRNA decay (NMD) is a translation-dependent RNA degradation pathway involved in many cellular pathways and crucial for telomere maintenance and embryo development. Core NMD factors Upf1, Upf2 and Upf3 are conserved from y…
View article: The ribosome-bound quality control complex remains associated to aberrant peptides during their proteasomal targeting and interacts with Tom1 to limit protein aggregation
The ribosome-bound quality control complex remains associated to aberrant peptides during their proteasomal targeting and interacts with Tom1 to limit protein aggregation Open
Protein quality control mechanisms eliminate defective polypeptides to ensure proteostasis and to avoid the toxicity of protein aggregates. In eukaryotes, the ribosome-bound quality control (RQC) complex detects aberrant nascent peptides t…
View article: Actin activates Pseudomonas aeruginosa ExoY nucleotidyl cyclase toxin and ExoY-like effector domains from MARTX toxins
Actin activates Pseudomonas aeruginosa ExoY nucleotidyl cyclase toxin and ExoY-like effector domains from MARTX toxins Open
View article: Role of the<i>N</i>-Acetylmuramoyl-<scp>l</scp>-Alanyl Amidase, AmiA, of<i>Helicobacter pylori</i>in Peptidoglycan Metabolism, Daughter Cell Separation, and Virulence
Role of the<i>N</i>-Acetylmuramoyl-<span>l</span>-Alanyl Amidase, AmiA, of<i>Helicobacter pylori</i>in Peptidoglycan Metabolism, Daughter Cell Separation, and Virulence Open
The human gastric pathogen, Helicobacter pylori, is becoming increasingly resistant to most available antibiotics. Peptidoglycan (PG) metabolism is essential to eubacteria, hence, an excellent target for the development of new therapeutic …
View article: Rqc1 and Ltn1 Prevent C-terminal Alanine-Threonine Tail (CAT-tail)-induced Protein Aggregation by Efficient Recruitment of Cdc48 on Stalled 60S Subunits
Rqc1 and Ltn1 Prevent C-terminal Alanine-Threonine Tail (CAT-tail)-induced Protein Aggregation by Efficient Recruitment of Cdc48 on Stalled 60S Subunits Open
View article: Actin activates<i>Pseudomonas aeruginosa</i>ExoY nucleotidyl cyclase toxin and ExoY-like effector domains from MARTX toxins
Actin activates<i>Pseudomonas aeruginosa</i>ExoY nucleotidyl cyclase toxin and ExoY-like effector domains from MARTX toxins Open
Pseudomonas aeruginosa is a major cause of chronic infections in cystic fibrosis patients. The nucleotidyl cyclase toxin ExoY is a virulence factors injected by the pathogen and associated with severe damage to lung tissue. ExoY-like cycla…