Results 51 to 60 of about 3,402 (282)

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Residuation in orthomodular lattices

open access: yesTopological Algebra and its Applications, 2017
We show that every idempotent weakly divisible residuated lattice satisfying the double negation law can be transformed into an orthomodular lattice. The converse holds if adjointness is replaced by conditional adjointness.
Chajda Ivan, Länger Helmut
doaj   +1 more source

A bidirectional Optimality Theoretic analysis of multiple negative indefinites in Afrikaans

open access: yesStellenbosch Papers in Linguistics, 2014
In the literature on negation, Afrikaans is generally categorised as a negative concord language. Unlike most other negative concord languages though, utterances containing multiple indefinites in the scope of negation are typically produced with a ...
Huddlestone, Kate, de Swart, Henriëtte
doaj   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Jespersen's cycle in Slovenian

open access: yesLinguistica, 2011
The paper examines the syntactic status of the negative marker in standard Slovenian and its Pannonian dialects in terms of the grammaticalisation process known as Jespersen's cycle.
Gašper Ilc
doaj   +1 more source

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

open access: yesFEBS 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   +5 more
wiley   +1 more source

Causes Versus Background Conditions: A Double Negation Account

open access: yes, 2023
I shall present in this article a double negation account of the distinction between causes and background conditions. Such an account will be based on the idea that, unlike causes, background conditions allow for certain effects by way of double ...
Paolini Paoletti, Michele
core   +1 more source

Hybrid Negation: Enhancing Sentiment Analysis for Complex Sentences

open access: yesApplied Sciences
Numerous valuable information is available on the Internet, and many individuals rely on mass media as their primary source of information. Various views, comments, expressions, and opinions on social networks have been a tremendous source of information.
Miftahul Qorib, Paul Cotae
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

The space of measurement outcomes as a spectrum for non-commutative algebras [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2010
Bohrification defines a locale of hidden variables internal in a topos. We find that externally this is the space of partial measurement outcomes. By considering the double negation sheafification, we obtain the space of measurement outcomes which ...
Bas Spitters
doaj   +1 more source

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