Results 161 to 170 of about 2,481 (263)

Probiotics‐derived postbiotics improve host metabolic syndrome by activating the adipocyte thermogenic signaling pathway in high‐fat diet‐fed mice

open access: yesiMetaOmics, Volume 3, Issue 2, June 2026.
This schematic illustrates how probiotics‐derived postbiotics (PLBK®1–5) combat high‐fat diet‐induced obesity. Postbiotics remodel gut microbiota, boosting beneficial metabolites. These metabolites activate adipocyte thermogenesis (Ucp1/AMPK pathway), resulting in reduced body weight, improved insulin sensitivity, and alleviated hepatic steatosis in ...
Ye Tian   +7 more
wiley   +1 more source

Genomic epidemiology and lineage‐specific risk stratification of tet(X4)‐mediated tigecycline resistance along the pork production chain: A One Health perspective

open access: yesiMetaOmics, Volume 3, Issue 2, June 2026.
Genome surveillance across a swine‐associated One Health continuum in China shows that slaughterhouses act as major enrichment nodes for tet(X4)‐mediated tigecycline resistance, driven by putative clonal transmission and stable plasmid backbones. Integrating global datasets enables lineage‐specific risk stratification, highlighting key control points ...
Qin Wang   +10 more
wiley   +1 more source

A linear time algorithm for enumerating all the minimum and minimal separators of a chordal graph

open access: yes, 2001
We give O(m + n) algorithms for enumerating all minimum separators as well as minimal separators in a connected chordal graph. We give a tight upper bound, n - κ(G) - 1, for the number of minimal separators in a chordal graph.
Chandran, LS
core  

An Examination of Task‐Evoked fMRI Data Processing in Functional Connectivity

open access: yesJournal of Neuroscience Research, Volume 104, Issue 6, June 2026.
In this work, we analyzed the preprocessing of task‐fMRI data to explore the contribution of the task information in connectomics towards a methodological consensus for preprocessing among task‐state connectivity studies. We investigated whether a task‐free connectivity can be inferred from task‐fMRI and examined its impact upon a clinical disorder ...
Alice Giubergia   +8 more
wiley   +1 more source

Graph Colorings on Chordal Graphs

open access: yes, 2007
Since chordal graphs possess an excellent ("perfect") property on ordinary (vertex) coloring, it is interesting to see what would happen on different colorings.
Roger Yeh
core  

Partitioning a planar graph without chordal 5-cycles into two forests

open access: yes
summary:It was known that the vertex set of every planar graph can be partitioned into three forests. We prove that the vertex set of a planar graph without chordal 5-cycles can be partitioned into two forests.
Wang, Yang   +3 more
core   +1 more source

The feasibility principle in community ecology

open access: yesOikos, Volume 2026, Issue 6, June 2026.
The structure and function of ecological communities emerge from interactions among populations within specific environmental contexts. Yet we still lack general principles that explain how communities assemble, which patterns we should expect, and when transitions occur across diverse settings.
Serguei Saavedra
wiley   +1 more source

Embedding meshes and TORUS networks onto degree-four chordal rings

open access: yes, 2012
[[abstract]]Degree-four chordal rings demonstrate many attractive properties, such as node symmetry, constant degree, O(√N) diameter and the ability to interconnect an arbitrary number of nodes.
Fang, J. F. ; Hsiao, Ju-Yuan; Tang, C. Y.
core  

Transient Porosity During Fluid‐Mineral Interaction. Part 1: In Situ 4D Tomography

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 6, June 2026.
Abstract Fluid‐induced mineral replacement reactions play a key role in controlling porosity generation and permeability evolution in geologic systems. However, the dynamic feedback between pore structure development and fluid transport remains poorly quantified. This study investigates the spatiotemporal evolution of reaction‐induced pore space in the
Hamed Amiri   +7 more
wiley   +1 more source

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