Results 11 to 20 of about 68,429 (275)

Biogenesis of mitochondrial porin [PDF]

open access: yes, 1990
We review here the present knowledge about the pathway of import and assembly of porin into mitochondria and compare it to those of other mitochondrial proteins.
A. Grossmann   +74 more
core   +3 more sources

Emergence of the Dickeya genus involved duplication of the OmpF porin and the adaptation of the EnvZ-OmpR signaling network

open access: yesMicrobiology Spectrum, 2023
Genome evolution, and more specifically gene duplication, is a key process shaping host–microorganism interaction. The conserved paralogs usually provide an advantage to the bacterium to thrive. If not, these genes become pseudogenes and disappear. Here,
Clémence Cochard   +11 more
doaj   +1 more source

Porin from Rhodopseudomonas sphaeroides [PDF]

open access: yesJournal of Bacteriology, 1984
A protein homooligomer was purified from both the cell envelope fractions and the saline extracts of Rhodopseudomonas sphaeroides cells. This oligomer exhibited strong porin activity when reconstituted into proteoliposomes with egg phosphatidylcholine. In the saline extracts of both chemotrophically and phototrophically grown cells, the porin oligomer ...
J, Weckesser, L S, Zalman, H, Nikaido
openaire   +2 more sources

Opettajan asiantuntijuus muutoksessa – asiantuntijuus ja sen jakamisen diskurssit digitaalisessa oppimisympäristössä

open access: yesKasvatus & Aika, 2019
Asiantuntijuus ja asiantuntijatyö on perinteisesti liitetty spesifeihin ammattialoihin ja professionaalisuuteen. Teknologian lisääntyvä käyttö asiantuntijatyössä kuitenkin muuttaa asiantuntijuuden ilmenemistä ja sen rajoja. Tässä artikkelissa tarkastelen
Jenni Huhtasalo
doaj   +1 more source

Porin from Marine Bacterium Marinomonas primoryensis KMM 3633T: Isolation, Physico-Chemical Properties, and Functional Activity

open access: yesMolecules, 2020
Marinomonas primoryensis KMM 3633T, extreme living marine bacterium was isolated from a sample of coastal sea ice in the Amursky Bay near Vladivostok, Russia. The goal of our investigation is to study outer membrane channels determining cell permeability.
Olga D. Novikova   +10 more
doaj   +1 more source

Voltage-Dependent Anion Selective Channel Isoforms in Yeast: Expression, Structure, and Functions

open access: yesFrontiers in Physiology, 2021
Mitochondrial porins, also known as voltage-dependent anion selective channels (VDACs), are pore-forming molecules of the outer mitochondrial membranes, involved in the regulation of metabolic flux between cytosol and mitochondria.
Maria Carmela Di Rosa   +7 more
doaj   +1 more source

Biosynthesis of Mitochondrial Porin and Insertion into the Outer Mitochondrial Membrane of Neuruspora crassa [PDF]

open access: yes, 1982
Mitochondrial porin, the major protein of the outer mitochondrial membrane is synthesized by free cytoplasmic polysomes. The apparent molecular weight of the porin synthesized in homologous or heterologous cell-free systems is the same as that of the ...
Cassady W. E.   +35 more
core   +1 more source

Porins of Brucella species [PDF]

open access: yesInfection and Immunity, 1984
The outer membrane of Brucella species contains two major proteins, denoted as group 2 and group 3 proteins (Verstreate et al., Infect. Immun. 35:979-989, 1982). We reconstituted proteoliposomes from the purified proteins and egg phosphatidylcholine and showed that group 2 proteins, but not a group 3 protein, had the porin activity. The influx rates of
J T, Douglas   +4 more
openaire   +2 more sources

Porin fromThiobacillus versutus [PDF]

open access: yesFEMS Microbiology Letters, 1989
The porin of Thiobacillus versutus IFO 14567 was isolated by extraction of cell-envelopes with sodium dodecyl sulfate. It exhibited strong porin-activity after reconstitution into artificial lipid bilayer membranes. The diameter of the pore was determined as 1.6 nm, with a weak selectivity for cations being observed. The porin migrated as a single band
D, Woitzik   +3 more
openaire   +2 more sources

Porin Expression Profiles in Haemaphysalis longicornis Infected With Babesia microti

open access: yesFrontiers in Physiology, 2020
The porin gene is widely disseminated in various organisms and has a pivotal role in the regulation of pathogen infection in blood-sucking arthropods. However, to date, information on the porin gene from the Haemaphysalis longicornis tick, an important ...
Weiqing Zheng   +9 more
doaj   +1 more source

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