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Articles 1 - 27 of 27
Full-Text Articles in Marine Biology
Investigating The Phytochemicals In Sargassum (Brown Algae) Against The Therapeutic Targets Of Oral Squamous Cell Carcinoma Metastasized From Breast: An Approach, Mahema S
Annual Research Symposium
ABSTRACT:
Purpose: Oral metastases are relatively rare. In women, the most common oral metastases originate from breast cancer, the most diagnosed malignancy, and the second leading cause of death. Sargassum is a genus of brown algae which exhibits its natural therapeutic potential with anticancer properties. This study aimed to identify a therapeutic target for OSCC metastasized from breast cancer through network pharmacology and to evaluate potent phytochemicals against the identified target.
Methods: DEGs associated with OSCC and breast cancer were obtained from the Gene Expression Omnibus. The upregulated DEGs were then intersected to identify common targets between OSCC and BC. …
Protective Responses Of The Intestinal Epithelial Cell Line Ht-29 Cells Exposed To Dephosphorylated Salmonella Flagellin [Research Note], Heyeon Baik, Jaiesoon Cho
Protective Responses Of The Intestinal Epithelial Cell Line Ht-29 Cells Exposed To Dephosphorylated Salmonella Flagellin [Research Note], Heyeon Baik, Jaiesoon Cho
The Philippine Agricultural Scientist
This study aimed to describe the effects of Salmonella Typhimurium flagellin (SFL) dephosphorylated by sweet potato purple acid phosphatase (PAP) on the protective responses of the intestinal epithelial cell line HT-29 cells. The enzyme was reported to display a broad substrate specificity for various organic phosphorylated conjugates and phosphoproteins. Dephosphorylation of SFL by sweet potato PAP decreased to 35% in the presence of 0.05 mM vanadate as compared with the negative control (p < 0.05). Intact SFL and the SFL treated with sweet potato PAP did not remarkably induce the activation of caspase-3 in HT-29 cells at all the tested levels of the substrate. Intact SFL maximally induced the release of IL (interleukin)-8 in HT-29 cells at 1000 ng/mL (p < 0.05). However, the SFL treated with the enzyme inhibited the release of IL-8 at over 100 ng/mL of the substrate as compared with intact SFL, resulting in an approximately 8-fold decrease even at 1000 ng/mL (p < 0.05). The SFL treated with the enzyme decreased the activation of the total ERK1/2 in the cells to 1.9 and 1.7–fold at 10 and 1000 ng/mL of the substrate, respectively, as compared with intact SFL (p < 0.05). In conclusion, sweet potato PAP could be a promising tool for controlling excessive inflammation during Salmonella infection in animal husbandry, and the enzyme could be a safe alternative that can overcome the drawbacks of chemotherapy.
The Effect Of Acidic Ph On Growth Kinetics, Biomass Productivity, And Prima-Ry Metabolite Contents Of Euglena Sp., Istini Nurafifah, Muhammad Andhi Hardianto, Tia Erfianti, Ria Amelia, Khusnul Qonita Maghfiroh, Dedy Kurnianto, Dwi Umi Siswanti, Brilian Ryan Sadewo, Renata Adaranyssa Egistha Putri, Eko Agus Suyono
The Effect Of Acidic Ph On Growth Kinetics, Biomass Productivity, And Prima-Ry Metabolite Contents Of Euglena Sp., Istini Nurafifah, Muhammad Andhi Hardianto, Tia Erfianti, Ria Amelia, Khusnul Qonita Maghfiroh, Dedy Kurnianto, Dwi Umi Siswanti, Brilian Ryan Sadewo, Renata Adaranyssa Egistha Putri, Eko Agus Suyono
Makara Journal of Science
Euglena is a microalga with the potential to be an environmentally friendly renewable energy resource. The pH value is a crucial factor in micro-algal cultivation. Changes in pH affect the growth and development of microalgae, including the production of biomass and primary metabolites, such as proteins, carbohydrates, and lipids. In this study, Euglena sp. was grown on Cramer-Myers medium and subjected to various acidic conditions. This study aimed to determine the effect of pH on the growth kinetics, biomass, carbohydrate, lipid, and protein contents of Euglena sp. The Euglena sp. culture was optimized at various pH values of 2.5, 3.5, …
Reducing Plastic Pollution In The Ocean: Mycobuoys As A Potential Solution, Sue S. Van Hook
Reducing Plastic Pollution In The Ocean: Mycobuoys As A Potential Solution, Sue S. Van Hook
Maine Policy Review
Natural mushroom mycelium-based MycoBuoys are an alternative to ubiquitous plastic flotation devices used in Maine aquaculture, fisheries and harbors. They fit perfectly into a circular economic model where natural resources are borrowed for a specific purpose and are returned as elements at the end of product life. MycoBuoys may be composted or used as mulch where 100% of the material enhances soil nutrients upon decomposition. In contrast to this cradle-to-cradle product, currently ubiquitous Stryofoam buoys have expensive end life costs in terms of ecosystem and organismal health consequences. Styrene is a known carcinogen, and the foam particles degrade into smaller …
Characterizing Endogenous Dicer Products To Unravel Novel Rnai Biogenesis Pathways, Jacob Oche Peter
Characterizing Endogenous Dicer Products To Unravel Novel Rnai Biogenesis Pathways, Jacob Oche Peter
Dissertations
ABSTRACT
RNA interference (RNAi) is a pervasive gene regulatory mechanism in eukaryotes based on the action of multiple classes of small RNA (sRNA). Exploiting RNAi pathways in non-model systems have great potential for creating potent RNAi technologies. Here, we accessed RNAi-mediated control of gene expression in the two-spotted spider mite, Tetranychus urticae (T. urticae) using engineered dsRNA designed to modulate the host RNAi pathway and increase RNAi efficacy. Analysis of Dicer (Dcr) generated fragments revealed how exogenous RNAs access the host RNAi pathway in this animal, opening avenues for designing RNAi technology for their control. Further, some organisms …
Biomass Estimation Of Marine Biofilms On Plastic Surfaces, Kian Banihashemi, Fernando Javier Gil
Biomass Estimation Of Marine Biofilms On Plastic Surfaces, Kian Banihashemi, Fernando Javier Gil
Biological Sciences
Plastics have become a major source of marine pollution, which threatens food safety and quality, human health, and marine ecosystems. Due to the drastic negative effects of plastics in a marine environment, alternative biodegradable plastics are being generated that are more eco-friendly and have less environmental impact. Though some of these plastics are known to biodegrade, the process of degradation for bioplastics has not been heavily studied in a marine environment. This pilot project sought to both quantify the process of biodegradation and compare across different methods for effectiveness of biomass estimation, which serves as an indicator of biodegradation. Plastics …
Insights Into Halophilic Microbial Adaptation: Analysis Of Integrons And Associated Genomic Structures And Characterization Of A Nitrilase In Hypersaline Environments, Sarah Sonbol
Theses and Dissertations
Hypersaline environments are extreme habitats that can be exploited as biotechnological resources. Here, we characterized a nitrilase (NitraS-ATII) isolated from Atlantis II Deep brine pool. It showed higher thermal stability and heavy metal tolerance compared to a closely related nitrilase.
We also studied integrons in halophiles and hypersaline environments. Integrons are genetic platforms in which an integron integrase (IntI) mediates the excision and integration of gene cassettes at specific recombination sites. In order to search for integrons in halophiles and hypersaline metagenomes, we used a PCR-based approach, in addition to different bioinformatics tools, mainly IntegronFinder.
We found that integrons and …
Comparative Genomics Methods And Applications, Emily N. Alden
Comparative Genomics Methods And Applications, Emily N. Alden
Biomedical Sciences ETDs
Virtually all fields of biology have benefited from the advancements in comparative genomics technologies, specifically in the study of evolution. In this dissertation I develop and use comparative genomic technologies to investigate the novel SARS-CoV-2 virus, assembly the first genome of the black lace domestic angelfish and identify germline genetic variants associated with altered breast cancer-specific survival. Our genome tiling array for the novel coronavirus presents a rapid and cost-effective method to sequence the entire viral genome and can be used to track the rapid evolution of viral variants in the population. The domestic angelfish is a member of the …
Assessing The Utility Of Environmental Dna Techniques To Monitor White Shrimp (Litopenaeus Setiferus) Abundance On The Georgia Coast, Raven Hurt
Electronic Theses and Dissertations
Environmental DNA (eDNA) surveys have developed over the last decade from once being a novel tool to now acting as an effective technology often used in complement to traditional capture surveys for assessing the distribution of organisms in freshwater and marine environments. However, many uncertainties on how to properly develop, operate, and analyze eDNA based techniques still hinder this technology effectiveness in the field. The white shrimp, Litopenaeus setiferus, is a common, commercially and recreationally important species in the United States, with landings exceeding $254 million in 2020. L. setiferus is also used as a key indicator species to changes …
Examining The Effect Of Interstitial Space On Eastern Oysters (Crassostrea Virginica): Applications Of Photogrammetry And Three-Dimensional Modeling, Bailie Lavan
Masters Theses, 2010-2019
Global oyster populations have decreased by as much as 99% in the past century. Oysters are known ecosystem engineers, providing benthic habitat for macrofauna, linking benthic and pelagic food webs, improving water quality, and mitigating shoreline erosion. Restoration efforts are critical in re-establishing native oyster populations. In the Chesapeake Bay, where oyster loss is primarily due to severe over harvest, artificial substrates with geometric shapes are widely used in restoration efforts. However, natural oyster reefs form emergent shapes with a high degree of aggregation and many interstitial spaces (three-dimensional volumetric spaces between oysters within a reef). The lack of interstitial …
Bioinformatic And Experimental Approaches For Deeper Metaproteomic Characterization Of Complex Environmental Samples, Ramsunder Mahadevan Iyer
Bioinformatic And Experimental Approaches For Deeper Metaproteomic Characterization Of Complex Environmental Samples, Ramsunder Mahadevan Iyer
Doctoral Dissertations
The coupling of high performance multi-dimensional liquid chromatography and tandem mass spectrometry for characterization of microbial proteins from complex environmental samples has paved the way for a new era in scientific discovery. The field of metaproteomics, which is the study of protein suite of all the organisms in a biological system, has taken a tremendous leap with the introduction of high-throughput proteomics. However, with corresponding increase in sample complexity, novel challenges have been raised with respect to efficient peptide separation via chromatography and bioinformatic analysis of the resulting high throughput data. In this dissertation, various aspects of metaproteomic characterization, including …
Quorum Sensing Signals Produced By Heterotrophic Bacteria In Black Band Disease (Bbd) Of Corals And Their Potential Role In Bbd Pathogenesis, Chinmayee D. Bhedi
Quorum Sensing Signals Produced By Heterotrophic Bacteria In Black Band Disease (Bbd) Of Corals And Their Potential Role In Bbd Pathogenesis, Chinmayee D. Bhedi
FIU Electronic Theses and Dissertations
Black band disease (BBD) of corals is a temperature dependent, highly virulent, polymicrobial disease affecting reef-building corals globally. The microbial consortium of BBD is primarily comprised of functional physiological groups that include photosynthetic cyanobacteria, sulfate reducers, sulfide oxidizers and a vast repertoire of heterotrophic bacteria. Quorum sensing (QS), the cell-density dependent communication phenomenon in bacteria, is known to induce expression of genes for a variety of virulence factors in diseases worldwide. Microbes capable of QS release signals such as acyl homoserine lactones (AHLs) and autoinducer-2 (AI-2), which coordinate microbial interaction. The focus of the present study was to investigate the …
Marine Gastrobot Final Design Report, Wesley B. Williams, Eric Kane Dreischerf, Tommy Nicholas Yath
Marine Gastrobot Final Design Report, Wesley B. Williams, Eric Kane Dreischerf, Tommy Nicholas Yath
Mechanical Engineering
The Marine Gastrobot sponsored by Dr. Christopher Kitts of the Cal Poly Center for Applications in Biotechnology was a research and development effort intended to explore the use of microbial fuel cell technology as a power source for underwater robots. Our team Ocean Locomotion succeeded in developing a first iteration of an underwater robotic platform suitable for microbial fuel cell integration. The primary feature of the design is its sinusoidal fin propulsion intended for benthic exploration with limited risk of entanglement. During the course of development, Ocean Locomotion explored the use of low power actuation methods and determined their limited …
Towards The Development Of A Sustainable Soya Bean-Based Feedstock For Aquaculture, Hyunwoo Park, Steven Weier, Fareha Razvi, Pamela A. Peña, Neil A. Sims, Jennica Lowell, Cory Hungate, Karma Kissinger, Gavin Key, Paul Fraser, Jonathan Napier, Edgar B. Cahoon, Thomas Clemente
Towards The Development Of A Sustainable Soya Bean-Based Feedstock For Aquaculture, Hyunwoo Park, Steven Weier, Fareha Razvi, Pamela A. Peña, Neil A. Sims, Jennica Lowell, Cory Hungate, Karma Kissinger, Gavin Key, Paul Fraser, Jonathan Napier, Edgar B. Cahoon, Thomas Clemente
Center for Plant Science Innovation: Faculty and Staff Publications
Soya bean (Glycine max (L.) Merr.) is sought after for both its oil and protein components. Genetic approaches to add value to either component are ongoing efforts in soya bean breeding and molecular biology programmes. The former is the primary vegetable oil consumed in the world. Hence, its primary usage is in direct human consumption. As a means to increase its utility in feed applications, thereby expanding the market of soya bean coproducts, we investigated the simultaneous displacement of marine ingredients in aquafeeds with soya bean-based protein and a high Omega-3 fatty acid soya bean oil, enriched with alpha-linolenic …
Development Of A Low-Cost Arduino-Based Sonde For Coastal Applications, Grant Lockridge, Brian Dzwonkowski, Reid Nelson, Sean P. Powers
Development Of A Low-Cost Arduino-Based Sonde For Coastal Applications, Grant Lockridge, Brian Dzwonkowski, Reid Nelson, Sean P. Powers
University Faculty and Staff Publications
This project addresses the need for an expansion in the monitoring of marine environments by providing a detailed description of a low cost, robust, user friendly sonde, built on Arduino Mega 2560 (Mega) and Arduino Uno (Uno) platforms. The sonde can be made without specialized tools or training and can be easily modified to meet individual application requirements. The platform allows for internal logging of multiple parameters of which conductivity, temperature, and GPS position are demonstrated. Two design configurations for different coastal hydrographic applications are highlighted to show the robust and versatile nature of this sensor platform. The initial sonde …
Alternative Extraction Method Of Guanidine Metabolites From Marine Sponge, Ptilocaulis Spiculifer, Savannah Barnett, Andrew A. Yeagley, Amorette Barber
Alternative Extraction Method Of Guanidine Metabolites From Marine Sponge, Ptilocaulis Spiculifer, Savannah Barnett, Andrew A. Yeagley, Amorette Barber
Theses & Honors Papers
Marine sponges are known for their use of biologically active allelopathic compounds. With almost every species of sponge having been shown to produce some chemical with medicinal properties, their survival is becoming increasingly important. Current extraction methods used by research teams require a large sample relative to the size of the sponge, which threatens the survival of the organism. 1 Ptilocaulis sp., or the orange tree sponge, is known to produce guanidine metabolites. This derivative has demonstrated biological activity against cell lines of leukemia, uterine, and cervical cancer.2 3 In this study we have developed a method for the chemical …
Water Water Everywhere: Analyzing Long Island's Water Issues And Finding Solutions For A Sustainable Future, Anthony T. Becker
Water Water Everywhere: Analyzing Long Island's Water Issues And Finding Solutions For A Sustainable Future, Anthony T. Becker
2014 Student Theses
Over three million people call Long Island their home. With access to beautiful landscapes, world-renowned beaches, and proximity to New York City, it is no wonder that so many proudly call this geographic stretch of glacial till their home. However, throughout the years our actions do not necessarily reflect this affection we have to our home. Years of sprawl and human infestation across the island have resulted in widespread environmental degradation. Specifically, the water we drink and the beaches we enjoy have become endangered. I plan on studying the urban ecology of how intensified population growth led to the eutrophication …
University Scholar Series: Scott Shaffer, Scott Shaffer
University Scholar Series: Scott Shaffer, Scott Shaffer
University Scholar Series
A New Form Of Biotechnology: Novel Data Logging Devices Reveal Secrets About The Lives Of Marine Animals
On September 25, 2013, Dr. Scott Shaffer gave a talk titled “A New Form Of Biotechnology: Novel Data Logging Devices Reveal Secrets About The Lives Of Marine Animals” as part of the University Scholar Series hosted by Provost Ellen Junn at the Dr. Martin Luther King, Jr. Library. Dr. Shaffer’s research focuses on the ecology, physiology, and conservation of marine vertebrate species. Specifically, he uses novel smart technologies to study long-range movements, distribution, and behavior of wild seabirds and marine mammals. This new …
Aerobic Degradation Of Α-, Β-, Γ-Hexachlorocyclohexane By Narragansett Bay Bacterioplankton, Ian M. Rambo
Aerobic Degradation Of Α-, Β-, Γ-Hexachlorocyclohexane By Narragansett Bay Bacterioplankton, Ian M. Rambo
Senior Honors Projects
Hexachlorocyclohexanes (HCHs) are a family of chlorinated organic compounds that were previously used as agricultural insecticides. HCHs are recognized as persistent organic pollutants due to their toxicity, recalcitrant properties, and tendency to bioaccumulate in food webs. Although HCH was first synthesized in 1825, its use was not widespread until the discovery of the insecticidal activity of the γ-HCH isomer in 1942. γ-HCH and its toxic waste isomers α-HCH and β-HCH were banned from production and use by the United Nations in 2009, yet these chemicals still present environmental problems due to their persistence in soils and surface waters. HCHs continue …
Setting The Sound Up For Success, Hillary Kenyon
Setting The Sound Up For Success, Hillary Kenyon
Wrack Lines
Deploying remotely-set disease-resistant oyster seed in biodegradable netting on a natural bed in Connecticut. The eastern oyster, Crassostrea virginica, is a keystone species in Connecticut's coastal environment.
Out Of Sight, But Not Out Of Mind: A Look At Nanoparticles In The Marine Environment, Evan Ward, John J. Doyle
Out Of Sight, But Not Out Of Mind: A Look At Nanoparticles In The Marine Environment, Evan Ward, John J. Doyle
Wrack Lines
Nanoparticles exist in many products used by humans, such as sunscreens. medications, cosmetics, paints and electronics. But what is the effect of these tiny particles on the ocean or estuarine environment when the sunscreen washes off? This article looks at that question and at shellfish in particular. Evan Ward and John Doyle are marine scientists at UConn.
Mapping The Ocean Frontier, Allison Marsh
Mapping The Ocean Frontier, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Spotlight On Usc: South Carolina Institute For Anthropology And Archaeology, Allison Marsh
Spotlight On Usc: South Carolina Institute For Anthropology And Archaeology, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Seeing With Sound, Allison Marsh
Seeing With Sound, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
World Ocean Floor, Courtesy Of The Library Of Congress, Allison Marsh
World Ocean Floor, Courtesy Of The Library Of Congress, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Marie Tharp At Her Drafting Table, Courtesy Of The Lamont-Doherty Earth Observatory, Earth Institute, Columbia University, Allison Marsh
Marie Tharp At Her Drafting Table, Courtesy Of The Lamont-Doherty Earth Observatory, Earth Institute, Columbia University, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Molecular Detection Of Marine Invertebrate Larvae, Shana Goffredi, William J. Jones, Christopher A. Scholin, Roman Marin Iii, Robert C. Vrijenhoek
Molecular Detection Of Marine Invertebrate Larvae, Shana Goffredi, William J. Jones, Christopher A. Scholin, Roman Marin Iii, Robert C. Vrijenhoek
Shana Goffredi
The ecological patterns of many invertebrate larvae remain an ongoing mystery, in large part owing to the difficult task of detecting them in the water column. The development of nucleic-acid-based technology has the potential to resolve this issue by direct identification and monitoring of embryonic and larval forms in situ. We report herein on the successful development and application of nucleic-acid-based sandwich hybridization assays that detect barnacles using rRNA-targeted probes with both group-(order Thoracica) and species-(Balanus glandula) specificity. Primary results include the determination of target 18S rRNA sequences and the construction of "capture" probes for detection of larvae using hybridization …