Results 111 to 120 of about 266,483 (401)

Xylose Metabolism Perturbation in Yarrowia lipolytica for Efficient Succinic Acid Bioproduction from Lignocellulosic Biomass

open access: yesAdvanced Science, EarlyView.
This study engineers Yarrowia lipolytica to produce succinic acid (SA) from lignocellulosic biomass. Adaptive evolution and multi‐omics analysis identify regulators that alleviate xylose metabolic disorder. Multi‐copy integration of xylose metabolic genes resolves redox imbalances from a futile fatty acid cycle, producing high‐titer SA from corn stover
Yutao Zhong   +7 more
wiley   +1 more source

Guanosine Mechanisms of Action: Toward Molecular Targets

open access: yesFrontiers in Pharmacology, 2021
Caio M. Massari   +3 more
doaj   +1 more source

Nanoparticle‐Modified Nanofibers Induce Ferroptosis and Stimulate Antitumor Immunity for Melanoma Therapy

open access: yesAdvanced Science, EarlyView.
This study presents a nanoparticle‐embedded nanofiber (5F/STFM/R‐ES) to inhibit melanoma growth and reduce the risk of metastasis and recurrence. The drug delivery system induces ferroptosis and potentiates immunotherapy through resiquimod (R848) and Fe/Mn‐based metal‐polyphenol networks (TFM).
Mingyang Li   +10 more
wiley   +1 more source

Efficient production of guanosine in Escherichia coli by combinatorial metabolic engineering

open access: yesMicrobial Cell Factories
Background Guanosine is a purine nucleoside that is widely used as a raw material for food additives and pharmaceutical products. Microbial fermentation is the main production method of guanosine. However, the guanosine-producing strains possess multiple
Kun Zhang   +5 more
doaj   +1 more source

A Purine Nucleotide Biosynthesis Enzyme Guanosine Monophosphate Reductase Is a Suppressor of Melanoma Invasion

open access: yesCell Reports, 2013
Melanoma is one of the most aggressive types of human cancers, and the mechanisms underlying melanoma invasive phenotype are not completely understood. Here, we report that expression of guanosine monophosphate reductase (GMPR), an enzyme involved in de ...
Joseph A. Wawrzyniak   +19 more
doaj   +1 more source

Versatile enzymatic system for the production of guanosine polyphosphates [PDF]

open access: yes, 2010
Posters - ED02 Signalling and systems biology: abstract no. ED02/20During periods of environmental stress, bacteria synthesize guanosine tetraphosphate (ppGpp, magic spot I) and guanosine pentaphosphate (pppGpp, magic spot II) in a process known as the ...
Choi, MMY, Wang, Y, Watt, RM
core  

Sonoepigenetic Modification Mechanoprimes Early Osteogenic Commitment in Mesenchymal Stem Cells

open access: yesAdvanced Science, EarlyView.
Brief 10 min bursts of high frequency (10 MHz) vibrational mechanostimulation to stem cells are shown to activate their epigenetic machinery to condition their differentiation down an osteogenic lineage within just 3 days, which is much earlier than that with other forms of mechanostimuli, and without requiring any biochemical additives. Abstract Cells
Lizebona A. Ambattu   +3 more
wiley   +1 more source

Macrophage‐derived MLKL in alcohol‐associated liver disease: Regulation of phagocytosis

open access: yesHepatology, EarlyView., 2022
EtOH causes leaky gut allowing bacteria and PAMPs into the liver, resulting in hepatic inflammation and injury. We demonstrate that LPS induces STAT1‐mediated expression and phosphorylation of MLKL in macrophages and identify a novel function that myeloid MLKL translocates to phagosomes and lysosomes and regulates phagocytosis, which contributes to the
Xiaoqin Wu   +16 more
wiley   +1 more source

ppGpp Controls Global Gene Expression in Light and in Darkness in S. elongatus

open access: yesCell Reports, 2017
The bacterial and plant stringent response involves production of the signaling molecules guanosine tetraphosphate and guanosine pentaphosphate ((p)ppGpp), leading to global reorganization of gene expression.
Anna M. Puszynska, Erin K. O’Shea
doaj   +1 more source

Engineered Multifunctional Hydrogel Delivering Novel CBX7 Inhibitor Modulates Cuproptosis Via Liquid–Liquid Phase Separation to Restore Cardiac Function in Aged Myocardial Infarction

open access: yesAdvanced Science, EarlyView.
An age‐adapted therapy pairs δ‐Amyrenone, a CBX7 inhibitor, with an alginate hydrogel (CSAδ) to rescue infarcted elderly hearts. CSAδ disrupts CBX7–ATP7A liquid–liquid phase separation, restores ATP7A trafficking and copper efflux, suppresses cuproptosis, supplies oxygen, scavenges ROS, promotes M2 polarization, supports angiogenesis, and enhances ...
Jun Liu   +11 more
wiley   +1 more source

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