A5057564868- Coral and Marine Ecosystems Studies
- Aquaculture disease management and microbiota
- Marine Sponges and Natural Products
- Marine Invertebrate Physiology and Ecology
- Marine and coastal plant biology
- Vibrio bacteria research studies
- Coastal wetland ecosystem dynamics
- Marine Toxins and Detection Methods
- Ichthyology and Marine Biology
- Invertebrate Immune Response Mechanisms
- Marine and coastal ecosystems
- Animal Behavior and Reproduction
- Mass Spectrometry Techniques and Applications
- Analytical Chemistry and Chromatography
- Computational Drug Discovery Methods
- Marine Ecology and Invasive Species
- Marine Biology and Ecology Research
- Aquatic Ecosystems and Phytoplankton Dynamics
- Evolutionary Game Theory and Cooperation
- Bioactive Natural Diterpenoids Research
- Insect-Plant Interactions and Control
- Microbial Community Ecology and Physiology
- Photosynthetic Processes and Mechanisms
- Protist diversity and phylogeny
- Neurobiology and Insect Physiology Research
The University of Texas at Arlington
2015-2024
The University of Texas at Austin
2022
Cornell University
2006
University of California, Santa Barbara
2003-2006
Florida Atlantic University
1999
Climate change is negatively affecting the stability of natural ecosystems, especially coral reefs. The dissociation symbiosis between reef-building corals and their algal symbiont, or bleaching, has been linked to increased sea surface temperatures. Coral bleaching significant impacts on corals, including an increase in disease outbreaks that can permanently entire reef ecosystem. Yet, little known about immune system. In this study, whole transcriptome analysis holobiont each associate...
Despite progress in the past decade, researchers struggle to evaluate hypothesis that environmental conditions compromise immunity and facilitate new disease outbreaks. In this chapter, we review known immunological mechanisms for selected phyla find there are critical response pathways common all invertebrates. These include prophenoloxidase pathway, wandering phagocytic cells, cytotoxic effector responses, antimicrobial compounds. To demonstrate links between environment, summarize by...
Background Climate warming is causing environmental change making both marine and terrestrial organisms, even humans, more susceptible to emerging diseases. Coral reefs are among the most impacted ecosystems by climate stress, immunity of corals, ancient metazoans, poorly known. Although coral mortality due infectious diseases temperature-related stress on rise, immune effector mechanisms that contribute resistance corals such events remain elusive. In Caribbean sea fan (Anthozoa,...
A wide array of fluorescent proteins (FP) is present in anthozoans, although their biochemical characteristics and function host tissue remain to be determined. Upregulation FP's frequently occurs injured or compromised coral tissue, suggesting a potential role FPs stress responses.The presence was determined quantified for subsample seven healthy Caribbean species using spectral emission analysis extracts. FP concentration correlated with the vivo antioxidant extracts by quantifying...
Increasing evidence of links between climate change, anthropogenic stress and coral disease underscores the importance understanding mechanisms by which reef-building corals resist infection recover from injury. Cellular inflammation melanin-producing signalling pathway are two employed invertebrates to remove foreign organisms such as pathogens, but they have not been recorded previously in scleractinian corals. This study demonstrates presence phenoloxidase (PO) activating melanin species...
Diseases of tropical reef organisms is an intensive area study, but despite significant advances in methodology and the global knowledge base, identifying proximate causes disease outbreaks remains difficult. The dynamics infectious wildlife diseases are known to be influenced by shifting interactions among host, pathogen, other members microbiome, a collective body work clearly demonstrates that this also case for main foundation species on reefs, corals. Yet, wildlife, coral stand out as...
The upside-down jellyfish Cassiopea xamachana (Scyphozoa: Rhizostomeae) has been predominantly studied to understand its interaction with the endosymbiotic dinoflagellate algae Symbiodinium. As an easily culturable and tractable cnidarian model, it is attractive alternative stony corals understanding mechanisms driving establishment maintenance of symbiosis. also unique in requiring symbiont order complete transition adult stage, thereby providing excellent model symbiosis-driven development...
Stony coral tissue loss disease (SCTLD) was initially documented in Florida 2014 and outbreaks with similar characteristics have since appeared disparate areas throughout the northern Caribbean, causing significant declines communities. SCTLD is characterized by focal or multifocal lesions of denuded skeleton caused rapid affects at least 22 reef-building species Caribbean corals. A tissue-loss consistent case definition first observed U.S. Virgin Islands (USVI) January 2019 off south shore...
Abstract Stony coral tissue loss disease (SCTLD), one of the most pervasive and virulent diseases on record, affects over 22 species reef-building is decimating reefs throughout Caribbean. To understand how different their algal symbionts (family Symbiodiniaceae) respond to this disease, we examine gene expression profiles colonies five from a SCTLD transmission experiment. The included vary in purported susceptibilities SCTLD, use inform analyses both animal Symbiodiniaceae. We identify...
SUMMARY Disease epizootics are increasing with climatic shifts, yet within each system only a subset of species identified as the most vulnerable. Understanding ecological immunology patterns well environmental influences on immune defenses will provide insight into persistence functional through adverse conditions. Amongst threatened ecosystems coral reefs, disease and thermal stress jeopardizing their survival. Immune were investigated three Caribbean corals, Montastraea faveolata,...
Global climate change has increased the number and severity of stressors affecting species, yet not all species respond equally to these stressors. Organisms may employ cellular mechanisms such as apoptosis autophagy in responding stressful events. These two pathways are often mutually exclusive, dictating whether a cell adapts or dies. In order examine differences response stress, we compared immune four coral with range disease susceptibility. Using RNA-seq novel pathway analysis, were...
Disease outbreaks have caused significant declines of keystone coral species. While forecasting disease based on environmental factors has progressed, we still lack a comparative understanding susceptibility among species that would help predict impacts communities. The present study compared the phenotypic and microbial responses seven Caribbean with diverse life-history strategies after exposure to white plague disease. incidence lesion progression rates were evaluated over seven-day...
Stony coral tissue loss disease (SCTLD) is a widespread and deadly that affects nearly half of Caribbean species. To understand the microbial community response to this disease, we performed transmission experiment on US Virgin Island (USVI) corals, exposing six species with varying susceptibility SCTLD. The surface mucus layers were examined separately using small subunit ribosomal RNA gene-based sequencing approach, data analyzed identify shifts following acquisition, potential causative...
Abstract Global climate change is altering coral reef ecosystems. Notably, marine heatwaves are producing widespread bleaching events that increasing in frequency, with projections for annual on reefs worldwide by mid‐century. Responses of corals to elevated seawater temperatures modulated abiotic factors (e.g. environmental regimes) and dominant Symbiodiniaceae endosymbionts can shift traits contribute physiological legacy effects future response trajectories. It critical, therefore,...
Brooks, Bryan W., Susan V. James, Theodore W. Valenti, Jr., Fabiola Urena‐Boeck, Carlos Serrano, Jason P. Berninger, Leslie Schwierzke, Laura D. Mydlarz, James Grover, and Daniel L. Roelke, 2010. Comparative Toxicity of Prymnesium parvum in Inland Waters. Journal the American Water Resources Association (JAWRA) 46(1):45‐62. DOI: 10.1111/j.1752‐1688.2009.00390.x Abstract: Numerous studies have examined impacts to aquatic life, but majority information available is from experiments or field...