Results 51 to 60 of about 389,730 (280)

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Environmental concentrations of N-nitrosodiethylamine (NDEA) disturb the Ca2 + and K+ homeostasis in the gills and epidermis of mosquitofish (Gambusia affinis)

Ecotoxicology and Environmental Safety
N-nitrosodiethylamine (NDEA), a nitrogenous disinfection by-product, is notorious for its ubiquitous presence in the environment and its carcinogenic properties. However, its impact on ion homeostasis in aquatic organisms remains underexplored.
Xiaoyu Yan, Wenwen Chen, Xiaohong Song, Yun Ma, Haiqin Wang, Tao Yang, Yanpeng Liang, Honghu Zeng   +7 more
doaj   +1 more source

Modulation of Homer1 EVH1 domain internal dynamics by putative autism‐associated mutations

FEBS Letters, EarlyView.
The putative autism‐associated M65I and S97L variants of the EVH1 domain of the postsynaptic scaffold protein Homer1 do not exhibit substantial changes in their overall structure or partner binding. Both of them, but especially the M65I variant, show altered internal dynamics relative to the wild‐type domain on the μs‐ms timescale, indicated by the ...
Fanni Farkas, Brigitta Maruzs, Zsófia E. Kálmán, Tomas Klumpler, Gyula Batta, Bálint Péterfia, Zoltán Gáspári   +6 more
wiley   +1 more source

A new type of Na+-driven ATP synthase membrane rotor with a two-carboxylate ion-coupling motif [PDF]

, 2013
: The anaerobic bacterium Fusobacterium nucleatum uses glutamate decarboxylation to generate a transmembrane gradient of Na+. Here, we demonstrate that this ion-motive force is directly coupled to ATP synthesis, via an F1Fo-ATP synthase with a novel Na ...
Leone, V, Yildiz, Ö, Meier, T, Iglesias-Cans, M, Cook, G., Sarah Schulz (426341), Meier, Thomas, Sarah Schulz, Matthies, D., Meier, T. ; https://orcid.org/, Schulz, Sarah, Özkan Yildiz (244574), M. Cook, Gregory, Doreen Matthies (426343), Thomas Meier, José D. Faraldo-Gómez (426344), Faraldo-Gómez, J., José D Faraldo-Gómez, Yildiz, Ö. ; https://orcid.org/, Iglesias-Cans, Marina, Gregory M. Cook (255231), Krah, A, Alexander Krah, https://orcid.org/, Vanessa Leone, Cook, Gregory M., Yildiz, Özkan, Meier, Thomas Kurt, Alexander Krah (217992), Cook, GM, Iglesias-Cans, M., Schulz, S, Doreen Matthies, Schulz, S., Leone, Vanessa, Matthies, D, Leone, V., Marina Iglesias-Cans, Marina Iglesias-Cans (426342), Thomas Meier (244580), Gregory M Cook, Krah, Alexander, Matthies, Doreen, Faraldo-Gómez, José D., Faraldo-Gómez, JD, Vanessa Leone (266195), Ozkan Yildiz, Krah, A.   +47 more
core   +1 more source

Phosphoinositides and inositol phosphates as molecular glues

FEBS Letters, EarlyView.
Inositol phosphates (IPs) and phosphoinositides (PIPs) regulate diverse eukaryotic processes. Beyond recruiting signaling proteins or acting as structural cofactors, recent studies suggest they mediate protein–protein interactions as natural molecular glues.
Aleshia Seaton‐Terry, Alexander J. Cutright, Mong Na Claire Loi, Jessica Martin, Joseph W. Gilligan, Jakub N. Kubina, Michael J. Arambula, Susanna Tanada Palmu, Daniella Zhou, Raymond D. Blind   +9 more
wiley   +1 more source

Cardenolide effects on alternative splicing vs. ion homeostasis.

, 2018
Cardenolide effects on alternative splicing vs. ion homeostasis.
Jens-Peter von Kries (5368169), Martin Liss (5368172), Michael H. Radke (5368175), Martin Neuenschwander (680771), Michael Gotthardt (755019), Jamina Eckhard (370592), Vita Dauksaite (5368178)   +6 more
core   +1 more source

PARK(ing) time–How park deficiency affects the biological clock in a Drosophila model of Parkinson's disease

FEBS Letters, EarlyView.
Drosophila park mutants serve as a model for Parkinson's disease. We used this strain to investigate the connection between oxidative stress and the circadian clock mechanism. We showed that increased oxidative stress affects the physiology of pacemaker cells, disrupting their daily structural plasticity. Lack of rhythmic signaling from pacemaker cells
Kamila Zientara, Kinga Skoczek, Elzbieta Pyza, Milena Damulewicz   +3 more
wiley   +1 more source

Exomer Is Part of a Hub Where Polarized Secretion and Ionic Stress Connect

Frontiers in Microbiology, 2021
Plasma membrane and membranous organelles contribute to the physiology of the Eukaryotic cell by participating in vesicle trafficking and the maintenance of ion homeostasis.
Sandra Moro, Sandra Moro, Esteban Moscoso-Romero, Esteban Moscoso-Romero, Abhishek Poddar, Jose M. Mulet, Pilar Perez, Qian Chen, M.-Henar Valdivieso, M.-Henar Valdivieso   +9 more
doaj   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

Molecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source