Results 1 to 10 of about 6,173,071 (306)

Structural and biochemical analysis of a B12 superbinder

FEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices, Jacob J. Whittaker, Dirk J. Slotboom, Albert Guskov   +3 more
wiley   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

FEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Isoniazid potentiates tigecycline to kill methicillin-resistant Staphylococcus aureus

Emerging Microbes and Infections
Therapeutic option for treating methicillin-resistant Staphylococcus aureus (MRSA) infection is urgently required since its resistance to a broad spectrum of currently available antibiotics.
Xuan-wei Chen, Hao-qing Chen, Jia-han Wu, Zhi-han Wang, Yu-Qing Zhou, Si-qi Tian, Bo Peng   +6 more
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source

USP18 Antagonizes Pyroptosis by Facilitating Selective Autophagic Degradation of Gasdermin D

Research
As a key executioner of pyroptosis, Gasdermin D (GSDMD) plays a crucial role in host defense and emerges as an essential therapeutic target in the treatment of inflammatory diseases.
Liqiu Wang, Mengqiu Li, Guangyu Lian, Shuai Yang, Yaoxing Wu, Jun Cui   +5 more
doaj   +1 more source

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

FEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil, Jeffrey A. Hawkes, Cecilia Blikstad, Pia Lindberg   +3 more
wiley   +1 more source

Identification of poly(I:C) interacted proteins and their regulation in transcription level against bacterial infection in zebrafish

Frontiers in Immunology
IntroductionPolyinosinic-polycytidylic acid (poly(I:C)), a synthetic double-stranded RNA (dsRNA) analog, activates innate immunity against infectious and non-infectious diseases through interactions with both DNA and proteins.
Hui-yin Lin, Jiao Xiang, Yi Han, Xuan-xian Peng, Hui Li, Xian-jie Liu   +5 more
doaj   +1 more source

The heterodimeric amino acid transporters (HAT) of the SLC7/SLC3 family: A structure−function relationships and relevance to human pathology

FEBS Letters, EarlyView.
Heterodimeric amino acid transporters consist of SLC7 and SLC3 family proteins arranged in a conserved structural organization. They regulate nutrient transport across cell membranes, supporting essential cellular functions. These transporters also contribute to xenobiotic/drug uptake and distribution.
Mariafrancesca Scalise, Tiziano Mazza, Raffaella Scanga, Lara Console, Michele Galluccio, Cesare Indiveri   +5 more
wiley   +1 more source

A context‐dependent modulatory role for eIF6 in acquired resistance to vemurafenib in melanoma

FEBS Letters, EarlyView.
Acquired resistance to vemurafenib upregulates the translation factor eIF6 in melanoma cells. Silencing eIF6 in resistant cells reduces proliferation and partially restores drug sensitivity, whereas its overexpression increases sensitivity across melanoma lines regardless of BRAF status, via modulation of mTOR, S6K, and MAPK signaling.
George Kyriakopoulos, Antonia Petropoulou, Alexandra Anastogianni, Angelina Bania, Vassilis Stamatakis, Argyris Alexiou, Chi‐Ping Day, Glenn Merlino, Katerina Grafanaki, Constantinos Stathopoulos   +9 more
wiley   +1 more source

m6A modification regulates cell proliferation via reprogramming the balance between glycolysis and pentose phosphate pathway

Communications Biology
N6-methyladenosine (m6A) stands as the predominant modification in eukaryotic mRNA and is involved in various biological functions. Aberrant m6A has been implicated in abnormal cellular phenotypes, including defects in stem cell differentiation and ...
Jian-Fei Xi, Biao-Di Liu, Guo-Run Tang, Ze-Hui Ren, Hong-Xuan Chen, Ye-Lin Lan, Feng Yin, Zigang Li, Wei-Sheng Cheng, Jinkai Wang, Lili Chen, Shao-Chun Yuan, Zhang Zhang, Guan-Zheng Luo   +13 more
doaj   +1 more source