Results 51 to 60 of about 128,151 (370)

A Chemist’s Perspective on the Role of Phosphorus at the Origins of Life

open access: yesLife, 2017
The central role that phosphates play in biological systems, suggests they also played an important role in the emergence of life on Earth. In recent years, numerous important advances have been made towards understanding the influence that phosphates ...
Christian Fernández-García   +2 more
doaj   +1 more source

Microbiota responses to different prebiotics are conserved within individuals and associated with habitual fiber intake

open access: yesMicrobiome, 2022
Background Short-chain fatty acids (SCFAs) derived from gut bacteria are associated with protective roles in diseases ranging from obesity to colorectal cancers. Intake of microbially accessible dietary fibers (prebiotics) lead to varying effects on SCFA
Zachary C. Holmes   +8 more
doaj   +1 more source

In situ detection of boron by ChemCam on Mars [PDF]

open access: yes, 2017
We report the first in situ detection of boron on Mars. Boron has been detected in Gale crater at levels Curiosity rover ChemCam instrument in calcium-sulfate-filled fractures, which formed in a late-stage groundwater circulating mainly in phyllosilicate-
Anderson   +86 more
core   +6 more sources

Fermented Lacticaseibacillus Paracasei Cultures Ameliorate Colitis by Modulating Microbiota‐Derived Tryptophan Metabolism and Macrophage Polarization

open access: yesAdvanced Science, EarlyView.
A solid‐state fermented probiotic (PYW) is developed using wheat bran as substrate, containing high viable Lacticaseibacillus paracasei and bioactive metabolites. PYW alleviates intestinal inflammation by gut microbiota composition, enriching indole derivatives, activating aryl hydrocarbon receptor signaling, and regulating macrophage polarization. PYW
Heng Zhang   +11 more
wiley   +1 more source

Prebiotic effect of purple sweet potato resistant starch and the development of its mucoadhesive granule formulation

open access: yesPharmaciana
Purple sweet potatoes are recognized for their prebiotic properties including againts Lactobacillus casei and L. bulgaricus bacteria. This prebiotic effect is due to the high starch content in purple sweet potatoes. The amylose content in starch which is
Umi Yuniarni   +3 more
doaj   +1 more source

Oral application of probiotic, prebiotic, and synbiotic in Pacific white shrimp(Litopenaeus vannamei)challenged with Vibrio harveyi

open access: yesJurnal Akuakultur Indonesia, 2013
The use of antibiotics for controlling of luminous vibriosis caused by Vibrio harveyi is restricted now, because it induces antibiotic-resistant bacteria and leave residue in shrimp’s body.
. Widanarni   +2 more
doaj   +1 more source

Prebiotic Organic Globules [PDF]

open access: yes, 2010
Analogs of organic globules observed in carbonaceous chondrite meteorites and in interplanetary dust particles and of rod to spherical structures observed in terrestrial archean microstructures have been synthesized in our experiments conducted with ...
Marie-Paule Bassez, Yoshinori Takano
core   +1 more source

Modern views of ancient metabolic networks [PDF]

open access: yes, 2018
Metabolism is a molecular, cellular, ecological and planetary phenomenon, whose fundamental principles are likely at the heart of what makes living matter different from inanimate one. Systems biology approaches developed for the quantitative analysis of
Goldford, Joshua E., Segrè, Daniel
core   +1 more source

Prebiotic inulin-type fructans induce specific changes in the human gut microbiota

open access: yesGut, 2017
Objective Contrary to the long-standing prerequisite of inducing selective (ie, bifidogenic) effects, recent findings suggest that prebiotic interventions lead to ecosystem-wide microbiota shifts.
D. Vandeputte   +7 more
semanticscholar   +1 more source

Gut–Metabolome–Proteome Interactions in Age‐Related Hearing Loss: Insights from Fecal Microbiota Transplantation and Multi‐Omics Analyses

open access: yesAdvanced Science, EarlyView.
Germ‐free (GF) mice receiving fecal microbiota transplantation (FMT) reveal microbiota‐dependent effects on auditory aging. Integrated metagenomic, metabolomic and proteomic profiling maps gut–inner ear network and highlights 5‐hydroxytryptophan (5‐HTP) as a microbiota‐linked metabolic hub in age‐related hearing loss (ARHL).
Ting Yang   +12 more
wiley   +1 more source

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