Results 11 to 20 of about 8,226 (181)

The Stereochemistry of Complex Polyketide Biosynthesis by Modular Polyketide Synthases

open access: yesMolecules, 2011
Polyketides are a diverse class of medically important natural products whose biosynthesis is catalysed by polyketide synthases (PKSs), in a fashion highly analogous to fatty acid biosynthesis.
David H. Kwan, Frank Schulz
doaj   +4 more sources

Engineering Polyketide Synthases [PDF]

open access: yesThe Scientific World Journal, 2002
Complex polyketides, exemplified by the molecules shown in Fig. 1, are produced mainly from a group of mycelia-forming bacteria belonging to the actinomycete family and have applications in medicine or agriculture. Worldwide sales of polyketides exceed $15 B annually.
Leonard Katz
doaj   +3 more sources

Acyltransferases as Tools for Polyketide Synthase Engineering [PDF]

open access: yesAntibiotics, 2018
Polyketides belong to the most valuable natural products, including diverse bioactive compounds, such as antibiotics, anticancer drugs, antifungal agents, immunosuppressants and others.
Ewa Maria Musiol-Kroll   +1 more
doaj   +3 more sources

Engineering the stambomycin modular polyketide synthase yields 37-membered mini-stambomycins

open access: yesNature Communications, 2022
Genetic engineering of the type I polyketide synthases (PKSs) to produce desirable analogous remains largely inefficient. Here, the authors leverage multiple approaches to delete seven internal modules from the stambomycin PKS and generate 37-membered ...
Li Su   +8 more
doaj   +1 more source

Challenges and opportunities for engineering assembly-line polyketide biosynthesis in Escherichia coli

open access: yesMetabolic Engineering Communications, 2020
Assembly-line polyketide synthases generate natural products that have led to many live-saving drugs. The use of E. coli as a heterologous host for reconstituting these enormous and complex enzymatic machines has and will continue to be a critical ...
Kai P. Yuet, Chaitan Khosla
doaj   +1 more source

Structure of a modular polyketide synthase [PDF]

open access: yesNature, 2014
Polyketide natural products constitute a broad class of compounds with diverse structural features and biological activities. Their biosynthetic machinery, represented by type I polyketide synthases (PKSs), has an architecture in which successive modules catalyse two-carbon linear extensions and keto-group processing reactions on intermediates ...
Dutta, Somnath   +10 more
openaire   +2 more sources

Synthetic biology of polyketide synthases [PDF]

open access: yesJournal of Industrial Microbiology and Biotechnology, 2018
Abstract Complex reduced polyketides represent the largest class of natural products that have applications in medicine, agriculture, and animal health. This structurally diverse class of compounds shares a common methodology of biosynthesis employing modular enzyme systems called polyketide synthases (PKSs).
Yuzawa, Satoshi   +3 more
openaire   +4 more sources

Evolution of combinatorial diversity in trans-acyltransferase polyketide synthase assembly lines across bacteria

open access: yesNature Communications, 2021
Trans-acyltransferase polyketide synthases are multimodular enzymes that synthesise diverse polyketides. Here, the authors present an algorithm for the global study of their diversity, showing exchange of conserved consecutive modules as a driver of ...
Eric J. N. Helfrich   +10 more
doaj   +1 more source

Decrypting the programming of β-methylation in virginiamycin M biosynthesis

open access: yesNature Communications, 2023
Biosynthesis of complex polyketides by polyketide synthases often relies on trans-acting enzymes to modify the intermediates. Here, the authors elucidate how β-methylation enzymes identify their substrates.
Sabrina Collin   +6 more
doaj   +1 more source

Evolution of polyketide synthases in bacteria [PDF]

open access: yesProceedings of the National Academy of Sciences, 2008
The emergence of resistant strains of human pathogens to current antibiotics, along with the demonstrated ability of polyketides as antimicrobial agents, provides strong motivation for understanding how polyketide antibiotics have evolved and diversified in nature.
Christian P, Ridley   +2 more
openaire   +2 more sources

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