Results 41 to 50 of about 31,758 (236)

Pass-back chain extension expands multimodular assembly line biosynthesis. [PDF]

open access: yes, 2020
Modular nonribosomal peptide synthetase (NRPS) and polyketide synthase (PKS) enzymatic assembly lines are large and dynamic protein machines that generally effect a linear sequence of catalytic cycles.
Huan, Tao   +5 more
core  

Cloning and characterization of novel methylsalicylic acid synthase gene involved in the biosynthesis of isoasperlactone and asperlactone in Aspergillus westerdijkiae [PDF]

open access: yes, 2009
Aspergillus westerdijkiae is the main producer of several biologically active polyketide metabolites including isoasperlactone and asperlactone. A 5298 bp polyketide synthase gene ‘‘aomsas” has been cloned in Aspergillus westerdijkiae by using gene ...
Atoui, Ali   +8 more
core   +2 more sources

Diversity and Distribution of Non-Reducing Polyketide Synthases (NR-PKSs) in Ascomycota (Fungi)

open access: yesJournal of Fungi
(1) Background: This study highlights the diversity and distribution of non-reducing polyketide synthases (NR-PKSs) in Ascomycota and their role in producing bioactive aromatic polyketides.
Pritam Chattopadhyay, Goutam Banerjee
doaj   +1 more source

Strain prioritization and genome mining for enediyne natural products [PDF]

open access: yes, 2016
The enediyne family of natural products has had a profound impact on modern chemistry, biology, and medicine, and yet only 11 enediynes have been structurally characterized to date.
Ben Shen   +18 more
core   +2 more sources

Polyketide synthesis in vitro on a modular polyketide synthase

open access: yesChemistry & Biology, 1995
The 6-deoxyerythronolide B synthase (DEBS) of Saccharopolyspora erythraea, which synthesizes the aglycone core of the antibiotic erythromycin A, contains some 30 active sites distributed between three multienzyme polypeptides (designated DEBS1-3). This complexity has hitherto frustrated mechanistic analysis of such enzymes.
Wiesmann, Kirsten E.H.   +5 more
openaire   +2 more sources

Isolation and characterization of polyketide drug molecule from Streptomyces species with antimicrobial activity against clinical pathogens

open access: yesJournal of Infection and Public Health, 2020
Background: Natural products derived from marine microbes have more potential toward to treatment of various diseases. Among the microbes, the secondary metabolites recovered from the marine actinomycetes were more added values.
Mohammed A. Almalki
doaj   +1 more source

Zebrafish otolith biomineralization requires polyketide synthase

open access: yesMechanisms of Development, 2019
Deflecting biomineralized crystals attached to vestibular hair cells are necessary for maintaining balance. Zebrafish (Danio rerio) are useful organisms to study these biomineralized crystals called otoliths, as many required genes are homologous to human otoconial development.
Thiessen, Kevin D.   +6 more
openaire   +2 more sources

Benzalacetone Synthase

open access: yesFrontiers in Plant Science, 2012
Benzalacetone synthase, from the medicinal plant Rheum palmatum (Polygonaceae) (RpBAS), is a plant-specific chalcone synthase (CHS) superfamily of type III polyketide synthase (PKS).
Ikuro eAbe
doaj   +1 more source

NMR Studies of Escherichia Coli Acyl Carrier Protein: Dynamic and Structural Differences of the Apo- and Holo-forms [PDF]

open access: yes, 2006
Two indicators of conformational variability of Escherichia coli acyl carrier protein (ACP) have been investigated, namely backbone dynamics and chemical shift variations of ACP.
Eletr, Ziad   +2 more
core   +2 more sources

Structural control of polyketide formation in plant-specific polyketide synthases [PDF]

open access: yesChemistry & Biology, 2000
Polyketide synthases (PKSs) generate molecular diversity by utilizing different starter molecules and by controlling the final length of the polyketide. Although exploitation of this mechanistic variability has produced novel polyketides, the structural foundation of this versatility is unclear. Plant-specific PKSs are essential for the biosynthesis of
Jez, Joseph M   +5 more
openaire   +2 more sources

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