Search Results - "Pawlik, Joseph R"
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Chemical defenses and resource trade-offs structure sponge communities on Caribbean coral reefs
Published in Proceedings of the National Academy of Sciences - PNAS (18-03-2014)“…Ecological studies have rarely been performed at the community level across a large biogeographic region. Sponges are now the primary habitat-forming organisms…”
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A review of bottom-up vs. top-down control of sponges on Caribbean fore-reefs: what's old, what's new, and future directions
Published in PeerJ (San Francisco, CA) (31-01-2018)“…Interest in the ecology of sponges on coral reefs has grown in recent years with mounting evidence that sponges are becoming dominant members of reef…”
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Molecular Networking Revealed Unique UV-Absorbing Phospholipids: Favilipids from the Marine Sponge Clathria faviformis
Published in Marine drugs (18-01-2023)“…Analysis of extracts of the marine sponge by high-resolution LC-MS and molecular networking resulted in the discovery of a new family of potentially…”
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New Tricks with an Old Sponge: Feature-Based Molecular Networking Led to Fast Identification of New Stylissamide L from Stylissa caribica
Published in Marine drugs (27-08-2020)“…Feature-based molecular networking was used to re-examine the secondary metabolites in extracts of a very well studied marine sponge, , known to contain a…”
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Fast Detection of Two Smenamide Family Members Using Molecular Networking
Published in Marine drugs (30-10-2019)“…Caribbean sponges of the genus are a prolific source of chlorinated secondary metabolites. The use of molecular networking as a powerful dereplication tool…”
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Application of diet theory reveals context-dependent foraging preferences in an herbivorous coral reef fish
Published in Oecologia (01-05-2017)“…Dietary preferences of grazers can drive spatial variability in top-down control of autotroph communities, because diet composition may depend on the relative…”
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Sponge communities on Caribbean coral reefs are structured by factors that are top-down, not bottom-up
Published in PloS one (08-05-2013)“…Caribbean coral reefs have been transformed in the past few decades with the demise of reef-building corals, and sponges are now the dominant habitat-forming…”
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Indirect effects of overfishing on Caribbean reefs: sponges overgrow reef-building corals
Published in PeerJ (San Francisco, CA) (28-04-2015)“…Consumer-mediated indirect effects at the community level are difficult to demonstrate empirically. Here, we show an explicit indirect effect of overfishing on…”
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Testing the relationship between microbiome composition and flux of carbon and nutrients in Caribbean coral reef sponges
Published in Microbiome (29-08-2019)“…Sponges are important suspension-feeding members of reef communities, with the collective capacity to overturn the entire water column on shallow Caribbean…”
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Cyanobacterial diversity and a new acaryochloris-like symbiont from Bahamian sea-squirts
Published in PloS one (22-08-2011)“…Symbiotic interactions between ascidians (sea-squirts) and microbes are poorly understood. Here we characterized the cyanobacteria in the tissues of 8 distinct…”
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Sponges With Microbial Symbionts Transform Dissolved Organic Matter and Take Up Organohalides
Published in Frontiers in Marine Science (20-05-2021)“…Seawater dissolved organic matter (DOM) is a large reservoir of carbon composed of a complex and poorly characterized mixture of molecules. Sponges have long…”
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Looking for the sponge loop: analyses of detritus on a Caribbean forereef using stable isotope and eDNA metabarcoding techniques
Published in PeerJ (San Francisco, CA) (23-02-2024)“…Coral reefs are biodiverse ecosystems that rely on trophodynamic transfers from primary producers to consumers through the detrital pathway. The sponge loop…”
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Isolation of Smenopyrone, a Bis-γ-Pyrone Polypropionate from the Caribbean Sponge Smenospongia aurea
Published in Marine drugs (17-08-2018)“…The organic extract of the Caribbean sponge has been shown to contain an array of novel chlorinated secondary metabolites derived from a mixed PKS-NRPS…”
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Evidence for Vertical Transmission of Bacterial Symbionts from Adult to Embryo in the Caribbean Sponge Svenzea zeai
Published in Applied and Environmental Microbiology (01-10-2009)“…The Caribbean reef sponge Svenzea zeai was previously found to contain substantial quantities of unicellular photosynthetic and autotrophic microbes in its…”
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The Chemical Ecology of Sponges on Caribbean Reefs: Natural Products Shape Natural Systems
Published in Bioscience (01-11-2011)“…Sponges are now the dominant habitat-forming animals on Caribbean reefs, where the combined effects of climate change, pollution, and disease have decimated…”
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How are single-shot photographs orthorectified?: Comment on “Quantifying sponge communities from shallow to mesophotic depths using orthorectified imagery” (Lesser et al. 2023)
Published in Marine biology (01-05-2024)“…For many decades, marine ecologists have used the point-intercept method to estimate the percentage cover of organisms on topographically complex benthic…”
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Defense by association: Sponge‐eating fishes alter the small‐scale distribution of Caribbean reef sponges
Published in Marine ecology (Berlin, West) (01-04-2017)“…Recent studies have demonstrated that sponge‐eating fishes alter the community of sponges on coral reefs across the Caribbean. Sponge species that lack…”
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Zeamide, a Glycosylinositol Phosphorylceramide with the Novel Core Arap(1β→6)Ins Motif from the Marine Sponge Svenzea zeai
Published in Molecules (Basel, Switzerland) (01-09-2017)“…Glycosylinositol phosphorylceramides (GIPCs) show a great structural diversity, but all share a small number of core structures, with a glucosamine, a mannose,…”
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Role of Vanadium in the Chemical Defense of the Solitary Tunicate, Phallusia nigra
Published in Journal of chemical ecology (01-03-2007)“…Ascidians (sea squirts) may defend themselves from predators, biofouling competitors, and bacterial infection by producing secondary metabolites or…”
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Unusual Morphotypes of the Giant Barrel Sponge off the Coast of Barbados
Published in Diversity (Basel) (01-12-2021)“…Giant barrel sponges (GBSs) belong to a cryptic species complex (Xestospongia spp.) and are found on tropical reefs worldwide. Over their range, including most…”
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