Results 21 to 30 of about 65,332 (236)
Lipid-coated carbon nanotubes can insert themselves spontaneously into lipid bilayers and live-cell membranes.
openaire +2 more sources
Mechanisms of Bacterial Extracellular Electron Exchange. [PDF]
The biochemical mechanisms by which microbes interact with extracellular soluble metal ions and insoluble redox-active minerals have been the focus of intense research over the last three decades. The process presents two challenges to the microorganism;
Butt, Julea N. +5 more
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A mitochondrial porin cDNA predicts the existence of multiple human porins
Pores formed in the outer membrane of mitochondria by mitochondrial porin make it permeable to water-soluble metabolites smaller than approximately 5 kDa. We have isolated a full-length cDNA encoding a human porin. This probe detects a single approximately 1.5-kilobase mRNA species on Northern blots, but multiple hybridizing bands on genomic Southern ...
H, Ha +3 more
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Solute channels of the outer membrane: from bacteria to chloroplasts [PDF]
Chloroplasts, unique organelles of plants, originated from endosymbiosis of an ancestor of today's cyanobacteria with a mitochondria-containing host cell. It is assumed that the outer envelope membrane, which delimits the chloroplast from the surrounding
Aljamal J.A. +8 more
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The evolutionary history of mitochondrial porins [PDF]
Abstract Background Mitochondrial porins, or voltage-dependent anion-selective channels (VDAC) allow the passage of small molecules across the mitochondrial outer membrane, and are involved in complex interactions regulating organellar and cellular metabolism.
Hausner Georg +3 more
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A modular strategy was developed to synthesize tri‐, hexa‐, and nona‐saccharides representing repeating units of the conserved O‐polysaccharide backbone of Salmonella. Conjugates of these glycans to bacteriophage Qβ induced strong IgG responses in mice and rabbits. Antibodies elicited recognized native O‐polysaccharides and conferred protection against
Xingling Pan +7 more
wiley +2 more sources
Protochlorophyllide (Pchlide) reduction in the late stage of chlorophyll a (Chl) biosynthesis is catalyzed by two enzymes: light-dependent Pchlide oxidoreductase (LPOR) and dark-operative Pchlide oxidoreductase (DPOR).
Kentaro Usui +5 more
doaj +1 more source
Evolving strategies for single-celled organisms in multi-nutrient environments [PDF]
When micro-organisms are in environments with multiple nutrients, they often preferentially utilise one first. A second is only utilised once the first is exhausted. Such a two-phase growth pattern is known as diauxic growth.
Barnes, David J., Chu, Dominique
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How to Create a National Opera? The Lisinski Case. Imaginary Memoirist Sketches with an Epilogue
The article deals with the situation in the 1840s, when the young composer Vatroslav Lisinski (1819–1854) was asked by Zagreb patriots to compose a national opera.
Vjera Katalinić
doaj +1 more source
In Gram-negative bacteria, the permeability of the outer membrane governs rates of antibiotic uptake and thus the efficacy of antimicrobial treatment.
Andrea Rocker +6 more
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