Results 61 to 70 of about 145,153 (320)

Solution structure of a bacterial microcompartment targeting peptide and its application in the construction of an ethanol bioreactor [PDF]

open access: yes, 2014
Targeting of proteins to bacterial microcompartments (BMCs) is mediated by an 18-amino-acid peptide sequence. Herein, we report the solution structure of the N-terminal targeting peptide (P18) of PduP, the aldehyde dehydrogenase associated with the 1,2 ...
Brown, Ian R.   +10 more
core   +1 more source

Radical-induced Hetero-Nuclear Mixing and Low-field $^{13}$C Relaxation in Solid Pyruvic Acid [PDF]

open access: yes, 2022
Radicals serve as source in dynamic nuclear polarization, but may also act as polarization sink. If the coupling between the electron spins and different nuclear reservoirs is stronger than any of the reservoirs' couplings to the lattice, radicals can mediate hetero-nuclear mixing.
arxiv   +1 more source

Artificial Photosynthesis Would Unify the Electricity-Carbohydrate-Hydrogen Cycle for Sustainability [PDF]

open access: yes, 2010
Sustainable development requires balanced integration of four basic human needs – air (O2/CO2), water, food, and energy. To solve key challenges, such as CO2 fixation, electricity storage, food production, transportation fuel production, water ...
Yi-Heng Percival Zhang
core   +2 more sources

Electron transport phosphorylation in rumen butyrivibrios: unprecedented ATP yield for glucose fermentation to butyrate. [PDF]

open access: yes, 2015
From a genomic analysis of rumen butyrivibrios (Butyrivibrio and Pseudobutyrivibrio sp.), we have re-evaluated the contribution of electron transport phosphorylation (ETP) to ATP formation in this group.
Firkins, Jeffrey L, Hackmann, Timothy J
core   +2 more sources

A Regional Bolus Tracking and Real-time B$_1$ Calibration Method for Hyperpolarized $^{13}$C MRI [PDF]

open access: yesMagn Reson Med. 2019 Feb; 81(2): 839-851, 2020
Purpose: Acquisition timing and B$_1$ calibration are two key factors that affect the quality and accuracy of hyperpolarized $^{13}$C MRI. The goal of this project was to develop a new approach using regional bolus tracking to trigger Bloch-Siegert B$_1$ mapping and real-time B$_1$ calibration based on regional B$_1$ measurements, followed by dynamic ...
arxiv   +1 more source

PDC1, a pyruvate/&agr;‐ketoacid decarboxylase, is involved in acetaldehyde, propanal and pentanal biosynthesis in melon (Cucumis melo L.) fruit

open access: yesThe Plant Journal, 2019
Plant pyruvate decarboxylases (PDC) catalyze the decarboxylation of pyruvate to form acetaldehyde and CO2 and are well known to play a key role in energy supply via fermentative metabolism in oxygen-limiting conditions.
Minmin Wang   +5 more
semanticscholar   +1 more source

Vitamin-responsive movement disorders in children

open access: yesAnnals of Indian Academy of Neurology, 2020
Movement disorders in childhood comprise a heterogeneous group of conditions that lead to impairment of voluntary movement, abnormal postures, or inserted involuntary movements. Movement disorders in children are frequently caused by metabolic disorders,
Vishal Sondhi, Suvasini Sharma
doaj   +1 more source

Conversion of Similar Xenochemicals to Dissimilar Products: Exploiting Competing Reactions in Whole-Cell Catalysis

open access: yesMolecules, 2023
Many enzymes have latent activities that can be used in the conversion of non-natural reactants for novel organic conversions. A classic example is the conversion of benzaldehyde to a phenylacetyl carbinol, a precursor for ephedrine manufacture.
Francesca Sannelli   +4 more
doaj   +1 more source

Rational Engineering of Chorismate-Related Pathways in Saccharomyces cerevisiae for Improving Tyrosol Production

open access: yesFrontiers in Bioengineering and Biotechnology, 2019
Tyrosol is extensively used in the pharmaceutical industry as an important natural product from plants. In this study, an exogenous pathway involved in catalyzing tyrosine to tyrosol was introduced into Saccharomyces cerevisiae. Furthermore, The pyruvate
Wei Guo   +8 more
doaj   +1 more source

Ach1 is involved in shuttling mitochondrial acetyl units for cytosolic C2 provision in Saccharomyces cerevisiae lacking pyruvate decarboxylase.

open access: yesFEMS Yeast Research, 2015
Acetyl-coenzyme A (acetyl-CoA) is not only an essential intermediate in central carbon metabolism, but also an important precursor metabolite for native or engineered pathways that can produce many products of commercial interest such as pharmaceuticals,
Yun Chen   +3 more
semanticscholar   +1 more source

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