Search Results - "Kwan, Jason C"
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An antifungal polyketide associated with horizontally acquired genes supports symbiont-mediated defense in Lagria villosa beetles
Published in Nature communications (26-06-2018)“…Microbial symbionts are often a source of chemical novelty and can contribute to host defense against antagonists. However, the ecological relevance of…”
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Structural Dynamics and Molecular Evolution of the SARS-CoV-2 Spike Protein
Published in mBio (26-04-2022)“…The ongoing coronavirus disease 2019 (COVID-19) pandemic demonstrates the threat posed by novel coronaviruses to human health. Coronaviruses share a highly…”
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Horizontal Gene Transfer to a Defensive Symbiont with a Reduced Genome in a Multipartite Beetle Microbiome
Published in mBio (25-02-2020)“…Symbiotic mutualisms of bacteria and animals are ubiquitous in nature, running a continuum from facultative to obligate from the perspectives of both partners…”
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Genome streamlining and chemical defense in a coral reef symbiosis
Published in Proceedings of the National Academy of Sciences - PNAS (11-12-2012)“…Secondary metabolites are ubiquitous in bacteria, but by definition, they are thought to be nonessential. Highly toxic secondary metabolites such as…”
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Discovery and Total Synthesis of Doscadenamide A: A Quorum Sensing Signaling Molecule from a Marine Cyanobacterium
Published in Organic letters (20-09-2019)“…Quorum sensing (QS) plays a critical role in the regulation of bacterial pathogenesis. Doscadenamide A (1a) was isolated from a marine cyanobacterium, its…”
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Bacterial endosymbiosis in a chordate host: long-term co-evolution and conservation of secondary metabolism
Published in PloS one (04-12-2013)“…Intracellular symbiosis is known to be widespread in insects, but there are few described examples in other types of host. These symbionts carry out useful…”
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Environmental metabolomics characterization of modern stromatolites and annotation of ibhayipeptolides
Published in PloS one (23-05-2024)“…Lithified layers of complex microbial mats known as microbialites are ubiquitous in the fossil record, and modern forms are increasingly identified globally. A…”
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Uncovering Lasonolide A Biosynthesis Using Genome-Resolved Metagenomics
Published in mBio (26-10-2022)“…Invertebrates, particularly sponges, have been a dominant source of new marine natural products. For example, lasonolide A (LSA) is a potential anticancer…”
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Comparative Genomics Provides Insight into the Function of Broad-Host Range Sponge Symbionts
Published in mBio (26-10-2021)“…The fossil record indicates that the earliest evidence of extant marine sponges (phylum Porifera) existed during the Cambrian explosion and that their…”
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10
Anticolon cancer activity of largazole, a marine-derived tunable histone deacetylase inhibitor
Published in The Journal of pharmacology and experimental therapeutics (01-11-2010)“…Histone deacetylases (HDACs) are validated targets for anticancer therapy as attested by the approval of suberoylanilide hydroxamic acid (SAHA) and romidepsin…”
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Structure and Biosynthesis of the Antibiotic Bottromycin D
Published in Organic letters (05-10-2012)“…Drug resistant infectious diseases are quickly becoming a global health crisis. While Streptomyces spp. have been a major source of antibiotics over the past…”
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Interpreting Microbial Biosynthesis in the Genomic Age: Biological and Practical Considerations
Published in Marine drugs (06-06-2017)“…Genome mining has become an increasingly powerful, scalable, and economically accessible tool for the study of natural product biosynthesis and drug discovery…”
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Grassypeptolides A−C, Cytotoxic Bis-thiazoline Containing Marine Cyclodepsipeptides
Published in Journal of organic chemistry (03-12-2010)“…Grassypeptolides A−C (1−3), a group of closely related bis-thiazoline containing cyclic depsipeptides, have been isolated from extracts of the marine…”
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Isolation and Biological Evaluation of 8-epi-Malyngamide C from the Floridian Marine Cyanobacterium Lyngbya majuscula
Published in Journal of natural products (Washington, D.C.) (26-03-2010)“…A new stereoisomer of malyngamide C, 8-epi-malyngamide C (1), and the known compound lyngbic acid [(4E,7S)-7-methoxytetradec-4-enoic acid] were isolated from a…”
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Increased Biosynthetic Gene Dosage in a Genome-Reduced Defensive Bacterial Symbiont
Published in mSystems (01-11-2017)“…A symbiotic lifestyle frequently results in genome reduction in bacteria; the isolation of small populations promotes genetic drift and the fixation of…”
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The Who, Why, and How of Small-Molecule Production in Invertebrate Microbiomes: Basic Insights Fueling Drug Discovery
Published in mSystems (01-03-2018)“…Bacteria have supplied us with many bioactive molecules for use in medicine and agriculture. However, rates of discovery have decreased as the biosynthetic…”
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Lyngbyastatins 8-10, elastase inhibitors with cyclic depsipeptide scaffolds isolated from the marine cyanobacterium Lyngbya semiplena
Published in Marine drugs (03-11-2009)“…Investigation of an extract from the marine cyanobacterium Lyngbya semiplena, collected in Tumon Bay, Guam, led to the identification of three new…”
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Host control of symbiont natural product chemistry in cryptic populations of the tunicate Lissoclinum patella
Published in PloS one (02-05-2014)“…Natural products (secondary metabolites) found in marine invertebrates are often thought to be produced by resident symbiotic bacteria, and these products…”
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Total Structure Determination of Grassypeptolide, a New Marine Cyanobacterial Cytotoxin
Published in Organic letters (06-03-2008)“…A collection of the cyanobacterium Lyngbya confervoides off Grassy Key in Florida yielded grassypeptolide (1), a 31-membered macrocyclic depsipeptide with…”
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A Guide to Extract Spinal Cord for Translational Stem Cell Biology Research: Comparative Analysis of Adult Human, Porcine, and Rodent Spinal Cord Stem Cells
Published in Frontiers in neuroscience (18-06-2020)“…Improving the clinical translation of animal-based neural stem/progenitor cell (NSPC) therapies to humans requires an understanding of intrinsic human and…”
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