Results 41 to 50 of about 2,190,376 (310)

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

Ion‐Scale Kinetic Alfvén Turbulence: MMS Measurements of the Alfvén Ratio in the Magnetosheath

open access: yesGeophysical Research Letters, 2018
Turbulence in the Earth's magnetosheath at ion kinetic scales is investigated with the magnetospheric multiscale spacecraft. Several possibilities in the wave paradigm have been invoked to explain plasma turbulence at ion kinetic scales such as kinetic ...
O. W. Roberts   +12 more
doaj   +1 more source

High-aspect-ratio nanoimprinted structures for a multi-pole magnetic scale [PDF]

open access: yes, 2013
清華大學學生國際會議獲獎論文:徐志豪HARMNST 2013 Poster Award[[abstract]]Conventional non-structured magnetic scales can only achieve a pole pitch of around 1 mm by dedicate magnetization process; a smaller magnetic pole pitch yields a higher resolution.
Xu, Zhi-Hao;Wu, Chien-Li;Sung, Cheng-Kuo;Wang, Sheng-Ching;Chin, Tsung-Shune
core  

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

The regionality of vernacular residences on the TianJing scale in China’s traditional JiangNan region

open access: yesJournal of Asian Architecture and Building Engineering, 2023
Based on historical documents and field investigations, this article analyzes the origin and development of the concept and form of the Chinese courtyard “TianJing” in vernacular residences to address common misunderstandings in previous studies. Focused
Cheng Liu, HuiQiong Tian
doaj   +1 more source

Mediating variables in the relationship between 2D: 4D digit ratio and sports achievement rank [PDF]

open access: yes, 2004
This study investigated the extent to which 2D: 4D digit ratio, mental rotation ability and the personality variables of social-potency, achievement, harm-avoidance and control are effective predictors of achievement rank in team sports and also whether ...
Tester, Nicholas Keith
core  

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

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

INTERVAL ESTIMATION FOR THE RATIO OF SCALE PARAMETERS AND FOR ORDERED SCALE PARAMETERS [PDF]

open access: yesStatistics & Risk Modeling, 2000
Summary: Confidence intervals for the ratio of scale parameters are constructed in general families of distributions with nuisance (location) parameters. Each of these intervals has coverage probability at least as large as that of the standard minimum size (i.e., minimum ratio of endpoints) interval and, in addition, smaller size.
Iliopoulos, G., Kourouklis, S.
openaire   +2 more sources

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