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Microplastic Quantification On The Effect Of Endoparasite Communities In Florida Seabirds, Sarah N. Prieto Apr 2024

Microplastic Quantification On The Effect Of Endoparasite Communities In Florida Seabirds, Sarah N. Prieto

All HCAS Student Capstones, Theses, and Dissertations

Microplastics are being studied in a variety of different projects to better understand their impact and threat to wildlife species. Although there is an understanding that microplastics are affecting our wildlife, there are still questions about how coastal seabirds come to ingest them and how the ingestion is altering critical biological processes, such as that for endoparasite communities. This project aims to determine a better understanding of two main objectives: assessment of the presence of secondary ingestion of microplastics in coastal seabirds due to the fish species they prey on and relationship between microplastics and endoparasite communities' structure and state …


Evaluating The Effect Of Symbiodiniacea On Survival, Growth, And Acquisition Of Newly Settled Corals Of Three Caribbean Species, Michael B. Hood Jul 2023

Evaluating The Effect Of Symbiodiniacea On Survival, Growth, And Acquisition Of Newly Settled Corals Of Three Caribbean Species, Michael B. Hood

All HCAS Student Capstones, Theses, and Dissertations

Symbiosis between corals and Symbiodiniaceae is critical to coral reef health. However, this mutually beneficial relationship is threatened by a variety of stressors. This study aims to assess if seeding newly settled corals with different species of Symbiodiniaceae promotes differences in survival, growth, and symbiont acquisition in corals. Three reef-building species (Colpophyllia natans, Orbicella faveolata, and Pseudodiploria strigosa) reared in sterile saltwater baths were seeded with one of four Symbiodiniaceae species (Breviolum minutum, Durusdinium trenchii, Fugacium kawagutii, and Symbiodinium microadriaticum). Coral survival, growth, and symbiont acquisition were assessed biweekly during the first two months and monthly …


Metagenomes Of The Dominant Microbial Symbionts Of Sponge Genus Cinachyrella Display Common Sulfur Metabolic And Quorum Sensing Functions, Elizaveta Shmakova Aug 2020

Metagenomes Of The Dominant Microbial Symbionts Of Sponge Genus Cinachyrella Display Common Sulfur Metabolic And Quorum Sensing Functions, Elizaveta Shmakova

All HCAS Student Capstones, Theses, and Dissertations

Host associated microbes play important roles in animal health. The symbiotic relationship between sponges and the microorganisms, prokaryotes-in particular, forms a complex mutualistic system, or community called the “microbiome”. Prokaryotes play a dynamic roll in these symbioses including providing nutritional sources, digestion, development, metabolism, immune defenses, while host sponge provides an environment for the symbionts. However, the whole metabolism of a sponge, holobioint, and the symbiont diversity and respective contributions to the holobtiont remains unclear. Metagenomics is an approach to study these systems by analyzing the gene content of the microorganisms for both taxonomic affiliation and biochemical function. The primary …