Results 61 to 70 of about 12,791 (237)

Cyclic behavior of linear fractional composition operators [PDF]

, 2001
Let \(\mathbb{C}\) denote the plane of complex numbers, and for real number \(v\), and analytic functions \(f\), \(g\) representable as \[ f(z)= \sum\{a_nz^n, n= 0,1,2,\dots\},\quad g(z)= \sum\{b_n z^n, n= 0,1,\dots,\}, \] let \((f|g)_v= \sum\{(a_n b_n(n+ 1)^{2v}, n= 0,1,\dots\}\), \(\|f\|^2_v= \sum\{|a_n|^2(n+ 1)^{2v}, n= 0,1,2,\dots\}\).
Gallardo Gutiérrez, Eva Antonia, Montes Rodríguez, Alfonso   +1 more
openaire   +4 more sources

Crosstalk between the ribosome quality control‐associated E3 ubiquitin ligases LTN1 and RNF10

FEBS Letters, EarlyView.
Loss of the E3 ligase LTN1, the ubiquitin‐like modifier UFM1, or the deubiquitinating enzyme UFSP2 disrupts endoplasmic reticulum–ribosome quality control (ER‐RQC), a pathway that removes stalled ribosomes and faulty proteins. This disruption may trigger a compensatory response to ER‐RQC defects, including increased expression of the E3 ligase RNF10 ...
Yuxi Huang, Satoshi Hashimoto, Sota Ito, Chisato Kikuguchi, Miho Hoshi, Kiyoshi Yamaguchi, Yoichi Furukawa, Toru Suzuki, Toshifumi Inada   +8 more
wiley   +1 more source

Interplay between circadian and other transcription factors—Implications for cycling transcriptome reprogramming

FEBS Letters, EarlyView.
This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley   +1 more source

Approximation by Overactivated and Spiked Convolutions as Positive Linear Operators

Mathematics
In this work, the author studied the quantitative approximation to the unit operator of three kinds of overactivated and spiked convolution type-operators.
George A. Anastassiou
doaj   +1 more source

A simple and low-cost integrative sensor system for methane and hydrogen measurement

Sensors International, 2020
Energy production by methanization or gasification of biomass is dependant on the chemical composition of the gas generated. The resistive sensors based on semiconductor metal oxides, like the MQ series sensors, are inexpensive and frequently used in gas
Damien Ali Hamada Fakra, Dolly Armel Sylvain Andriatoavina, Ny Aina Manitra Nany Razafindralambo, Kamil abdallah Amarillis, José Marie Michel Andriamampianina   +4 more
doaj   +1 more source

Function‐driven design of a surrogate interleukin‐2 receptor ligand

FEBS Letters, EarlyView.
Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang, Zelin Cheng, Teng Li, Fulian Wang, Liangminghui Zhang, Xiuxiu He, Lili Liu, Wei Wang, Aibin Liang, Guang Yang   +9 more
wiley   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source

Conserved structural motifs in PAS, LOV, and CRY proteins regulate circadian rhythms and are therapeutic targets

FEBS Letters, EarlyView.
Cryptochrome and PAS/LOV proteins play intricate roles in circadian clocks where they act as both sensors and mediators of protein–protein interactions. Their ubiquitous presence in signaling networks has positioned them as targets for small‐molecule therapeutics. This review provides a structural introduction to these protein families.
Eric D. Brinckman, Anna E. Lester, Brian D. Zoltowski   +2 more
wiley   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

FEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva, Ariann E. Mendoza‐Martínez, P. Abril Medina‐Flores, Carlos Campero‐Basaldua, Alexander DeLuna, Soledad Funes   +5 more
wiley   +1 more source

On a Class of Composition Operators on Bergman Space

International Journal of Mathematics and Mathematical Sciences, 2007
Let 𝔻={z∈ℂ:|z|
Namita Das, R. P. Lal, C. K. Mohapatra
doaj   +1 more source