Results 51 to 60 of about 25,352 (302)

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Harmonic oscillator potential with a sextic anharmonicity in the prolate γ-rigid collective geometrical model

open access: yesPhysics Letters B, 2014
An analytical expression for the energy spectrum of the ground and β bands was obtained through the JWKB approximation in the axially symmetric γ-rigid regime of the Bohr–Mottelson Hamiltonian with an oscillator potential and a sextic anharmonicity in ...
R. Budaca
doaj   +1 more source

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Stability study of intense hadron bunches in linear accelerators using a Paul ion trap

open access: yesPhysical Review Accelerators and Beams, 2022
The collective behavior of an ion cloud confined in a linear Paul trap is physically almost equivalent to that of a relativistic beam traveling in a particle accelerator.
M. Goto   +4 more
doaj   +1 more source

Energy staggering in superdeformed bands for isodiaphere nuclei in A ~ 40-60 mass region

open access: yesJournal of Scientific Research in Science, 2022
The properties of superdeformed (SD) bands of isodiaphere nuclei ((_ ^40)Ca,(_ ^58)Cu,(_ ^60)Zn) have been studied in the scope of four and five parameters’ formulas of the Bohr-Mottelson collective model.
Eman R. Abo Elyazeed   +3 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

First signs of collectivity in N = 86 and 88 isotones above 132Sn

open access: yesEPJ Web of Conferences, 2018
Within the shell-model framework the low-lying states energies, E2 and M1 transitions of chains of nuclei 52 ≤ Z ≤ 60 with 82 ≤ N ≤ 88 are investigated.
NAÏDJA Houda, NOWACKI Frédéric
doaj   +1 more source

Decoding the dynamic extracellular matrix in cancer—3D models and bioscaffolds rewire the rules of tumor progression

open access: yesFEBS Letters, EarlyView.
Cancer progression is regulated by the dynamic matrix code of the tumor microenvironment, which influences cellular behavior and disease development. Importantly, matrix remodeling in three‐dimensional cancer models more accurately reflects in vivo conditions compared to conventional two‐dimensional systems.
Sylvia Mangani   +3 more
wiley   +1 more source

Molecular characterization of some Tunisian biferous fig accessions (Ficus carica L.) using RAPD and ISSR markers

open access: yesJournal of Oasis Agriculture and Sustainable Development
This work studied the evaluatation of the genetic diversity of twelve biferous Tunisian fig accessions ('Bither Akhal,' 'Bither Ahmer1', 'Bither4', 'Bither Ahmer2', 'Bither2', 'Bither3', 'Bither1', 'Besbessi,' 'Wahchi,' 'Khenziri,' 'Garghi' and 'Bouholi'
Fateh Aljane   +3 more
doaj   +1 more source

Investigating transcription factor dynamics in health and disease using FRAP

open access: yesFEBS Letters, EarlyView.
FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj   +3 more
wiley   +1 more source

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