Results 11 to 20 of about 3,915,254 (313)

The protein cost of metabolic fluxes: prediction from enzymatic rate laws and cost minimization [PDF]

open access: yes, 2016
Bacterial growth depends crucially on metabolic fluxes, which are limited by the cell's capacity to maintain metabolic enzymes. The necessary enzyme amount per unit flux is a major determinant of metabolic strategies both in evolution and bioengineering.
Bar-Even, Arren   +5 more
core   +4 more sources

Phoresis and Enhanced Diffusion Compete in Enzyme Chemotaxis [PDF]

open access: yesNano Lett. 2018, 18, 4, 2711-2717, 2021
Chemotaxis of enzymes in response to gradients in the concentration of their substrate has been widely reported in recent experiments, but a basic understanding of the process is still lacking. Here, we develop a microscopic theory for chemotaxis, valid for enzymes and other small molecules.
arxiv   +1 more source

The chemical structures and biological activities of indole diterpenoids

open access: yesNatural Products and Bioprospecting, 2023
Indole diterpenoids (IDTs) are an essential class of structurally diverse fungal secondary metabolites, that generally appear to be restricted to a limited number of fungi, such as Penicillium, Aspergillus, Claviceps, and Epichloe species, etc.
Jingwen Niu   +4 more
doaj   +1 more source

High-efficient production of mushroom polyketide compounds in a platform host Aspergillus oryzae

open access: yesMicrobial Cell Factories, 2023
Background Orsellinic acid (2,4-dihydroxy-6-methylbenzoic acid, OA) and its structural analog o-Orsellinaldehyde, have become widely used intermediates in clinical drugs synthesis.
Haiyan Han   +8 more
doaj   +1 more source

Unique Glutelin Expression Patterns and Seed Endosperm Structure Facilitate Glutelin Accumulation in Polyploid Rice Seed

open access: yesRice, 2021
Background Rice is not only an essential food but also a source of high quality protein. Polyploidy is an evolutionary trajectory in plants, and enhancing glutelin by polyploidization is an attractive strategy for improving the nutritional value of rice ...
Lu Gan   +12 more
doaj   +1 more source

Effective biosynthesis of 2,5-furandicarboxylic acid from 5-hydroxymethylfurfural via a bi-enzymatic cascade system using bacterial laccase and fungal alcohol oxidase

open access: yesBiotechnology for Biofuels and Bioproducts, 2023
Background As a cost-effective and eco-friendly approach, biocatalysis has great potential for the transformation of 5-hydroxymethylfurfural (HMF) into 2,5-furandicarboxylic acid (FDCA).
Fan Yang   +4 more
doaj   +1 more source

Molecular, biochemical and kinetic analysis of a novel, thermostable lipase (LipSm) from Stenotrophomonas maltophilia Psi-1, the first member of a new bacterial lipase family (XVIII)

open access: yesJournal of Biological Research - Thessaloniki, 2018
Background Microbial lipases catalyze a broad spectrum of reactions and are enzymes of considerable biotechnological interest. The focus of this study was the isolation of new lipase genes, intending to discover novel lipases whose products bear ...
Maria Parapouli   +8 more
doaj   +1 more source

Partitioning of starter bacteria and added exogenous enzyme activities between curd and whey during Cheddar cheese manufacture [PDF]

open access: yes, 2013
peer-reviewedPartitioning of starter bacteria and enzyme activities was investigated at different stages of Cheddar cheese manufacture using three exogenous commercial enzyme preparations added to milk or at salting.
Doolan, I. A.   +3 more
core   +1 more source

Accelerated search kinetics mediated by redox reactions of DNA repair enzymes [PDF]

open access: yesBiophysical Journal, volume 96, pp 3949-3958, (2009), 2009
A Charge Transport (CT) mechanism has been proposed in several papers (e.g., Yavin, et al. PNAS, v102 3546 (2005)) to explain the localization of Base Excision Repair (BER) enzymes to lesions on DNA. The CT mechanism relies on redox reactions of iron-sulfur cofactors that modify the enzyme's binding affinity.
arxiv   +1 more source

Correction to: Molecular, biochemical and kinetic analysis of a novel, thermostable lipase (LipSm) from Stenotrophomonas maltophilia Psi‑1, the first member of a new bacterial lipase family (XIX)

open access: yesJournal of Biological Research - Thessaloniki, 2018
We have recently (8th February 2018) published our article entitled “Molecular, biochemical and kinetic analysis of a novel, thermostable lipase (LipSm) from Stenotrophomonas maltophilia Psi-1, the first member of a new bacterial lipase family (XVIII ...
Maria Parapouli   +8 more
doaj   +1 more source

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