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Regulated Expression of an Environmental DNA-Derived Type II Polyketide Gene Cluster in Streptomyces Hosts Identified a New Tetracenomycin Derivative TCM Y
As bacterial natural products have been proved to be the most important source of many therapeutic medicines, the need to discover novel natural...
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Amycolatopsis camponoti sp. nov., new tetracenomycin-producing actinomycete isolated from carpenter ant Camponotus vagus
An actinobacterial strain A23 T , isolated from adult ant Camponotus vagus collected in Ryazan region (Russia) and established as tetracenomycin X...
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Genome mining and description of Streptomyces albidus sp. nov., an endophytic actinobacterium with antibacterial potential
An endophytic actinobacterium, strain CAP215 T was isolated from the root sample of a native pine tree ( Callitris preissii ), Adelaide, South...
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The antitumor antibiotic mithramycin: new advanced approaches in modification and production
AbstractThe aureolic acid-type polyketide mithramycin (MTM) has a remarkable cytotoxicity against a variety of human tumors and has been used for the...
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Genome insights into the pharmaceutical and plant growth promoting features of the novel species Nocardia alni sp. nov
BackgroundRecent studies highlighted the biosynthetic potential of nocardiae to produce diverse novel natural products comparable to that of Streptomyces...
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Physiological analysis of the improved ε-polylysine production induced by reactive oxygen species
Abstract IntroductionEpsilon-poly-L-lysine (ε-PL) is produced by Streptomyces species in acidic and aerobic conditions, which inevitably induces...
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Unveiling the bioactive potential of Actinomycetota from the Tagus River estuary
The increase in global travel and the incorrect and excessive use of antibiotics has led to an unprecedented rise in antibiotic resistance in...
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Artificial microRNA mediated silencing of cyclase and aldo–keto reductase genes reveal their involvement in the plumbagin biosynthetic pathway
Plumbagin and other naphthoquinone derivatives from the Plumbago zeylanica L. (Plumbaginaceae) are known for their anticancer and other medicinal...
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Synthetic macrolides overcoming MLSBK-resistant pathogens
Conventional macrolide-lincosamide-streptogramin B-ketolide (MLS B K) antibiotics are unable to counter the growing challenge of antibiotic resistance...
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Structures of the ribosome bound to EF-Tu–isoleucine tRNA elucidate the mechanism of AUG avoidance
The frequency of errors upon decoding of messenger RNA by the bacterial ribosome is low, with one misreading event per 1 × 10 4 codons. In the...
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A Quick Guide to Small-Molecule Inhibitors of Eukaryotic Protein Synthesis
AbstractEukaryotic ribosome and cap-dependent translation are attractive targets in the antitumor, antiviral, anti-inflammatory, and antiparasitic...
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Microbial Enzymes in the Bioremediation of Pollutants: Emerging Potential and Challenges
The quality of life on the Earth is linked inextricably to the overall quality of the environment. Unfortunately the progress in science and... -
Application of Enzymes in Bioremediation of Contaminated Hydrosphere and Soil Environment
Due to the ever-increasing global population, industrial sector is growing at a rapid rate which is leading to increase in discharge of hazardous and... -
Discovery of “heat shock metabolites” produced by thermotolerant actinomycetes in high-temperature culture
In actinomycetes, many secondary metabolite biosynthetic genes are not expressed under typical laboratory culture conditions and various efforts have...
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Type III Polyketide Synthases: Current State and Perspectives
Microorganisms produce an array of secondary metabolites primarily for their growth, self-defense, communication, and survival in natural... -
Chalcone synthases (CHSs): the symbolic type III polyketide synthases
Main conclusionPresent review provides a thorough insight on some significant aspects of CHSs over a period of about past three decades with a better...
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Advancement of Biotechnology by Genetic Modifications
One of the greatest sources of metabolic and enzymatic diversity are microorganisms. In recent years, emerging recombinant DNA and genomic techniques... -
Naphthacemycins, novel circumventors of β-lactam resistance in MRSA, produced by Streptomyces sp. KB-3346-5. II. Structure elucidation
Seventeen new compounds, naphthacemycins A 1 –A 11 , B 1 –B 4 and C 1 –C 2 , were isolated from a cultured broth of Streptomyces sp. KB-3346-5 during screening...
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Naphthacemycins, novel circumventors of β-lactam resistance in MRSA, produced by Streptomyces sp. KB-3346-5. I. The taxonomy of the producing strain, and the fermentation, isolation and antibacterial activities
Screening for circumventors of β-lactam resistance in methicillin-resistant Staphylococcus aureus (MRSA) led us to find 17 novel antibiotics,...
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An overview of rapamycin: from discovery to future perspectives
Rapamycin is an immunosuppressive metabolite produced from several actinomycete species. Besides its immunosuppressive activity, rapamycin and its...