Aquatic Model Organisms
Aquatic Model Organisms - Related Videos
09:35
Fluorescently Labeled Bacteria as a Tracer to Reveal Novel Pathways of Organic Carbon Flow in Aquatic Ecosystems
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Cited by 6 •
2019
Presented here is a protocol for a single-cell, epifluorescence microscopy-based technique to quantify grazing rates in aquatic predatory eukaryotes with high precision and taxonomic resolution.
10:48
Nutrients in Aquatic Ecosystems
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University Nitrogen and phosphorus are essential plant nutrients found in aquatic ecosystems and both are monitored as a part of water quality testing because in excess amounts they can cause significant water quality problems. Nitrogen in water is measured as the common form nitrate (NO3-) that is dissolved in water and readily absorbed by photosynthesizers such as algae. The common form of phosphorus measured is phosphate...
06:44
Vibrio cholerae: Model Organism to Study Bacterial Pathogenesis - Interview
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Cited by 1 •
2007
08:30
Characterization of Aquatic Biofilms with Flow Cytometry
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Cited by 8 •
2018
Flow cytometry in combination with visual clustering offers an easy-to-use and fast method for studying aquatic biofilms. It can be used for biofilm characterization, detection of changes in biofilm community structure, and detection of abiotic particles embedded in the biofilm.
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Organ-on-Chip Models
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2026
Introduction to Organ-on-Chip Models Organ-on-chip models are advanced microphysiological systems that recreate key structural and functional features of human organs in a controlled laboratory setting. These devices integrate living human cells within microfluidic channels, allowing researchers to simulate tissue–tissue interfaces, fluid flow, and mechanical forces that are essential for normal organ function. Unlike traditional cell cultures, which often lack these dynamic physiological cues,...
FAQs
Conserved genes allow researchers to connect gene function in species such as zebrafish or Xenopus with biological processes relevant to other organisms. By manipulating gene function and then examining resulting phenotypes, investigators can link molecular changes to development, disease-related processes, or environmental responses. This approach helps reveal mechanisms while complementing studies in more complex experimental systems.
External fertilization gives researchers access to early developmental stages without requiring internal sampling, while transparent embryos make organ formation visible as it occurs. Together, these features support direct observation of development and its response to experimental conditions. Researchers can therefore relate changes in visible anatomy or development to altered gene function, water chemistry, or temperature.
Aquatic models offer experimentally tractable features that can simplify observation and controlled testing, including rapid reproduction, visible embryos, and measurable responses to water conditions. More complex systems remain important for questions that depend on broader physiological or organismal context. Using both approaches allows researchers to examine mechanisms in accessible models and assess whether findings extend to more complex biology.
A typical study selects an aquatic species suited to the biological question, exposes it to a controlled change, and measures the resulting response. Relevant changes may involve gene function, water chemistry, temperature, a therapeutic compound, a pollutant, or a pathogen. Researchers then compare observed phenotypes or developmental outcomes across conditions to interpret the underlying biological effect.
They are useful when investigators need to measure how pollutants or changes in water chemistry affect living organisms. Controlled exposure conditions can be paired with observable developmental or organism-level responses, helping connect an environmental factor with a biological outcome. These studies support toxicology, environmental assessment, ecology, and conservation by linking experimental effects to aquatic conditions.
These species can provide evidence about organ formation, gene function, therapeutic effects, pollutant responses, and pathogen-related biology. Their results may connect molecular mechanisms with visible developmental or organism-level phenotypes. Consequently, aquatic models contribute to biomedical research as well as environmental and conservation studies, while serving as complementary systems rather than complete replacements for every experimental model.