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Articles 1 - 30 of 58
Full-Text Articles in Life Sciences
2018 - Groundwater Management In California, Michael Hanemann
2018 - Groundwater Management In California, Michael Hanemann
Related Research and Documents
In 2014, the California legislature for the first time took some steps to create a framework for regulating groundwater pumping in over-drafted basins by adopting the Sustainable Groundwater Management Act (SGMA), representing California's first statewide groundwater management planning program. SGMA called for local agencies to develop groundwater sustainability plans within the next five to seven years and then achieve sustainable levels of groundwater extraction by approximately 2040 to 2045. California's prior efforts to regulate groundwater extraction is discussed, as well as groundwater depletion.
Presentation: Estrogen Levels Effects On Sex-Dimorphic Skills And Mood, Kathryn Szymanski
Presentation: Estrogen Levels Effects On Sex-Dimorphic Skills And Mood, Kathryn Szymanski
Kathryn Szymanski
No abstract provided.
Investigating The Impact Of Oxidative Stress On Tetrahymena Thermophila Sirtuin,Thd 18, Emmanuel Dubuisson
Investigating The Impact Of Oxidative Stress On Tetrahymena Thermophila Sirtuin,Thd 18, Emmanuel Dubuisson
Publications and Research
Sirtuins are a family of enzymes that fulfill various important biological functions. Investigators have looked for the implication of Sirtuin genes in cell signaling mechanisms, in the formation and silencing of heterochromatin, in the regulation of ion channels, and in the modulation of the cellular redox reactions[2]. Different model organisms have been previously used to conduct these studies; among them, there are yeasts, nematodes, and fruit flies. Each one has made some valuable contribution into the vast body of knowledge related to this field.
However, gaps in the understanding of Sirtuins functions still remain to be filled. In this optic, …
Instances Of Influenza In The United States Visualized, Parth Patel
Instances Of Influenza In The United States Visualized, Parth Patel
Publications and Research
The Tycho Project collects large data sets related to healthcare and in particular, instances and geographical information of diseases. We look at the instance counts and locations of Influenza from 1919-1951 across the United States. We hope to find seasonal and geographical insight to the spread of the disease.
How Soil Salinity Affects The Stomatal Conductance Of Baccharis Salicifolia (Mulefat/Seepwillow), Andrew Kim, Caroline Wilkerson, Mahala Bayless, Peter Du
How Soil Salinity Affects The Stomatal Conductance Of Baccharis Salicifolia (Mulefat/Seepwillow), Andrew Kim, Caroline Wilkerson, Mahala Bayless, Peter Du
Featured Research
This is a poster presentation demonstrating the project our group has been working on. We hypothesize that the stomatal conductance of mulefat will decrease as soil salinity increases in both pre-rain and post-rain conditions because the plant tries to absorb salt water. However, the salt water cannot pass through plant tissue and draws water out of the plant. Since plant requires water for photosynthesis, water being drawn out means less water is available for the plant to do photosynthesis. We have tested our hypothesis by collecting soil samples in Legacy park, and recorded stomatal conductance by using a leaf porometer
How Soil Salinity Affects The Stomatal Conductance Of Baccharis Salicifolia (Mulefat/Seepwillow), Andrew Kim, Caroline Wilkerson, Mahala Bayless, Peter Du
How Soil Salinity Affects The Stomatal Conductance Of Baccharis Salicifolia (Mulefat/Seepwillow), Andrew Kim, Caroline Wilkerson, Mahala Bayless, Peter Du
Featured Research
This is a poster presentation demonstrating the project our group has been working on. We hypothesize that the stomatal conductance of mulefat will decrease as soil salinity increases in both pre-rain and post-rain conditions because the plant tries to absorb salt water. However, the salt water cannot pass through plant tissue and draws water out of the plant. Since plant requires water for photosynthesis, water being drawn out means less water is available for the plant to do photosynthesis. We have tested our hypothesis by collecting soil samples in Legacy park, and recorded stomatal conductance by using a leaf porometer
A Comparison Of Different Methods Of Dehydration On Baccharis Salicifolia, Michael Nicholas, Sinjun Hong
A Comparison Of Different Methods Of Dehydration On Baccharis Salicifolia, Michael Nicholas, Sinjun Hong
Featured Research
Baccharis salicifolia is a native riparian plant living in many places near to the Santa Monica Mountains. One of these locations is Legacy park, which has had many events effect it that has led to some very unfortunate changes. The park’s soil was tested earlier this year by a group of undergraduate students lead by Dr. Stephen Davis and was found to have a very high salinity level. The plants in the park appeared to be struggling to survive and had signs of dehydration and wilting. This led to us questioning the types of dehydration of the plants. Areas of …
A Comparison Of Photosynthetic Rate, Stomatal Conductance, And Electron Transport Rate Between Malosma Laurina And Encelia Californica, Yujin Choi, Isabella Armstrong, Catherina Haas, Micah Kim
A Comparison Of Photosynthetic Rate, Stomatal Conductance, And Electron Transport Rate Between Malosma Laurina And Encelia Californica, Yujin Choi, Isabella Armstrong, Catherina Haas, Micah Kim
Featured Research
In the Santa Monica Mountains, there are two main vegetation types: chaparral, which makes up __% of plants in these mountains, and coastal sagebrush, which makes up __%. Despite California’s acute environmental stress, both of these plants manage to survive, and even thrive in some cases. We were interested in seeing if in spite of these vast anatomical and physiological differences, these plants were able to survive at similar health rates, measured in photosynthetic rate, stomatal conductance, and electron transport rate (ETR). We have decided to choose 2 plants from 2 different leaf types of different vegetation types: Malosma laurina …
Comparison Of Photosynthesis, Stomatal Conductance, And Water Potential Between Native Rhus Integrifolia And Invasive Nicotiana Glauca, Tiffany J. Egbo, Emma J. Navarro, Malaun A. Phillips, Cameron I. Zohary
Comparison Of Photosynthesis, Stomatal Conductance, And Water Potential Between Native Rhus Integrifolia And Invasive Nicotiana Glauca, Tiffany J. Egbo, Emma J. Navarro, Malaun A. Phillips, Cameron I. Zohary
Featured Research
Invasive species, such as Nicotiana glauca, are a prominent part of the Santa Monica Mountains, and could be responsible for displacing native species such as Rhus integrifolia. It was observed in the field that Nicotiana glauca was doing better than Rhus integrifolia, so our group decided to indirectly test this. Because of the invasiveness of its species, it is essential to measure the health of a native species to see if the invasive species is posing as a massive threat. Water potential, stomatal conductance, fluorescence, photosynthetic rates and electron transport rates were compared among the two plants …
Prenylation In The Moss Physcomitrella Patens, Noela Botaka, Susana Perez-Martinez, Liang Bao, Parul Singh, Mark Running
Prenylation In The Moss Physcomitrella Patens, Noela Botaka, Susana Perez-Martinez, Liang Bao, Parul Singh, Mark Running
Posters-at-the-Capitol
Protein prenylation is a post-translational modification that involves the addition of lipid groups to the end of a target protein and is necessary for protein activity. Prenylation has important roles in the cell: targeting and localizing proteins to subcellular compartments and promoting protein-protein interactions. Recently, we have found Protein Prenyltransferase Alpha Subunit-like (PPAL), which shares structural similarities to known prenylation enzymes. However, the biochemical function of PPAL is still unknown. PPAL is present in a single copy in other plants examined to date but is present in two copies in moss. Knockouts in our lab of either PpPAL1 or PpPAL2 …
A Crispr Platform For Rapid And Inducible Genome Editing In Human Non-Small Cell Lung Cancer Cells, Lloyd Bartley
A Crispr Platform For Rapid And Inducible Genome Editing In Human Non-Small Cell Lung Cancer Cells, Lloyd Bartley
Posters-at-the-Capitol
Non-small cell lung cancer (NSCLC) accounts for about 85% of lung cancer, which is the leading cause of cancer death in the world. High mortality rate associated with NSCLC is partially attributed to the limited understanding of NSCLC as well as ineffective therapeutic treatments. The initiation and progression of NSCLC involves genetic changes leading to alterations in the control of tissue development and homeostatic maintenance. Better knowledge about these genetic abnormalities is imperative for developing new chemotherapeutic drugs for NSCLC. Recent research demonstrates that the expression of paraoxonase 2 (PON2), a lactonase/arylesterase with anti-oxidant properties, are markedly enhanced in cancer …
Soil Responses To One-Season Winter Cover Crops, Mckenna Morgan, Iin Handayani
Soil Responses To One-Season Winter Cover Crops, Mckenna Morgan, Iin Handayani
Posters-at-the-Capitol
Soil Responses to One-Season Winter Cover Crops
McKenna Morgan and I. P. Handayani
Hutson School of Agriculture Murray State University, KY, USA
Abstract
In regions like western Kentucky where wooded lots are common there is a growing interest in how to utilize them so that land profits can be maximized. The frequently poor soils in wooded areas due to erosion and lack of ground cover vegetation often cause complications in the creation of pasture areas. Therefore, the objective of this study was to assess the effect of growing winter cover crops on soils to prepare for pasture systems in the …
Consumption Profiles Of Illicit And Neuropsychiatric Drugs In Urban And Rural Communities In Kentucky Using Sewage Epidemiology, Tara Croft, Katelyn Foppe, Rhiannon Huffines, Bikram Subedi
Consumption Profiles Of Illicit And Neuropsychiatric Drugs In Urban And Rural Communities In Kentucky Using Sewage Epidemiology, Tara Croft, Katelyn Foppe, Rhiannon Huffines, Bikram Subedi
Posters-at-the-Capitol
The drug overdose deaths in the USA increased by ~20% from 2015 to 2016 to the total >63,600 drug overdose deaths in 2016. Kentucky is among the highest rate of drug overdose death states in the USA. The current estimates of the prevalence of substance abuse are based on the self-reported surveys, overdose/toxicological reports, and drug-related crime statistics. Survey-based conventional approaches are not only cost and time-intensive but also underestimate the actual consumption of drugs. As “wastewater never lie,” the drug residues in raw wastewater collected from the centralized wastewater treatment plants were utilized to determine the consumption rate of …
Impact Of Aerobic Compost Tea On Growth Of Lactuca Sativa Within A Peat-Based Growing Media, Ella Potts, Jessica Stoner, Alyx Shultz, Iin Handayani
Impact Of Aerobic Compost Tea On Growth Of Lactuca Sativa Within A Peat-Based Growing Media, Ella Potts, Jessica Stoner, Alyx Shultz, Iin Handayani
Posters-at-the-Capitol
Compost and compost tea have been shown in practice to be valuable soil amendments across many horticultural applications; however, little rigorous quantitative work has been completed. Researchers designed a side-by-side trial with two replications to quantifiably study the impact of compost tea on the growth and vigor of soil-grown lettuce. A recycled poultry-litter-based aerobic compost tea was used for the treatment. Six lactuca sativa plants received each treatment or control. Researchers hypothesized the treatment plants would show more vigor and vegetative growth than control. The null hypothesis was treatment plants would be identical to control lettuce. Researchers failed to reject …
Development Of A Pd-L1 Pet Imaging Biomarker, Caleb Jack Bridgwater
Development Of A Pd-L1 Pet Imaging Biomarker, Caleb Jack Bridgwater
Posters-at-the-Capitol
Immunotherapy strategies are very promising treatments for cancer patients. Specifically, Immune checkpoint inhibitor therapy focusing on the PD-1/PD-L1 pathway shows long-lasting positive results in many cancer patients. Unfortunately, not all the patients can benefit from this highly effective treatment. Hence, there is a great need for predictive biomarkers. Immunohistochemical (IHC) staining has been used as a way of predicting patient response, yet shows many problems. For example, IHC utilizes an invasive biopsy and sample fixing, which creates an incomplete and delayed picture of the patient’s biochemistry and the tumor microenvironment, consequently ignoring metastases.
The purpose of this study is to …
Histone Deacetylation Is The Primary Epigenetic Mechanism For Silencing Of Tumor Suppressor Gene - Tissue Factor Pathway Inhibitor-2 In Hepatocellular Carcinoma Cells, Alisha Deshmukh, Shirish Barve
Histone Deacetylation Is The Primary Epigenetic Mechanism For Silencing Of Tumor Suppressor Gene - Tissue Factor Pathway Inhibitor-2 In Hepatocellular Carcinoma Cells, Alisha Deshmukh, Shirish Barve
Posters-at-the-Capitol
Hepatocellular carcinoma (HCC) is the third leading cause of cancer related mortality worldwide. With a survival rate of less than 5 percent, a therapeutic treatment is desperately needed to manage this disease. Many epigenetic mechanisms that underlay HCC are being identified. A frequently silenced pathway tissue factor pathway inhibitor-2 (TFPI-2) is a critical tumor suppressor gene. In HCC, inactivation of TFPI-2 leads to tumor growth. Recent research indicated Fas L plays a major role in apoptosis as part of HCC. For the purposes of this study, the phytochemical Curcumin was explored to observe its possible effects on the epigenetic mechanisms …
Effects Of Evolution On Laboratory Sublines Of Myxococcus Xanthus Dk1622, Mackenzie Ryan, Francesca Scribano, Kimberly Murphy
Effects Of Evolution On Laboratory Sublines Of Myxococcus Xanthus Dk1622, Mackenzie Ryan, Francesca Scribano, Kimberly Murphy
Celebration of Learning
Microbes have served as effective models for studying evolution because of their ability to be easily replicated, stored, and manipulated. Myxococcus xanthus is a soil bacterium that has served as a model organism in many laboratories. The unique social and motile behaviors exhibited by this bacterium make it ideal for phenotypic assays. A wild-type strain of M. xanthus, DK1622, has been distributed to laboratories across the United States and therefore we now have DK1622 sublines. The genomes of a number of these sublines have been sequenced and their social and motile phenotypes have been analyzed. When nine of these sublines …
Identification Of Microbiota Associated With The Ectosymbiotic Community Structure Of The Appalachian Brook Crayfish (Cambarus Bartonii), Matthew M. Cooke 6268927, Luke T. Fischer, Taylor Griffin, Sherrie Jeffers
Identification Of Microbiota Associated With The Ectosymbiotic Community Structure Of The Appalachian Brook Crayfish (Cambarus Bartonii), Matthew M. Cooke 6268927, Luke T. Fischer, Taylor Griffin, Sherrie Jeffers
Montview Journal of Research & Scholarship
Microbes play a significant role in ecosystems, effecting the vital functions of other organisms, interspecies relationships, and population sizes. Based upon previous research (Skelton et al., 2016), it has been hypothesized that crayfish symbionts (branchiobdellidans) play a significant role in regulating the amount of microbiota associated with the host. A growing body of knowledge is known regarding both the condition of gill fouling and the annelid worm’s symbiotic relationship with the crayfish (Skelton et al., 2016; Skelton et al., 2016). However, there is little to no evidence available concerning the bacteria’s role in the process (Skelton et al., 2016). Microbial …
_Chemosensory Role Of A Reproductive Hormone- Associating Gnrh Neurons With Taste And Olfactory Systems In Teleost Fish Format 2.Pptx, Gabriel Mchugh
_Chemosensory Role Of A Reproductive Hormone- Associating Gnrh Neurons With Taste And Olfactory Systems In Teleost Fish Format 2.Pptx, Gabriel Mchugh
Gabriel McHugh
A Student’S Perspective On Engagement In Ecological Research During Their First Semester In College, Natalie M. Aguirre, Karagan L. Smith, Cristian M. Garcia, Cheryl Swift, Stephen D. Davis
A Student’S Perspective On Engagement In Ecological Research During Their First Semester In College, Natalie M. Aguirre, Karagan L. Smith, Cristian M. Garcia, Cheryl Swift, Stephen D. Davis
Biology
Pepperdine University and Whittier College jointly initiated a new first-year seminar series in the fall of 2016 that engaged students in authentic research, their first semester on campus. The goals are listed below. Assessment of these goals included both qualitative focus groups and quantitative survey questionnaires administered by an outside assessment agency, WestEd.org.
Ninety-two percent of students reported that their first-year seminar improved learning in concurrent courses and ninety to ninety-three percent of students said their first-year seminar increased their interest in STEM. In addition, students self-reported a significant improvement in all aspects of their ability to plan and conduct …
Post Drought Recovery In Malosma Laurina After Severe Dieback During California’S Historic Drought Of 2012-2016, Karagan L. Smith, Guinevere X. Mesh, Natalie M. Aguirre, Gabriella N. Palmeri, Helen I. Holmlund, Stephen D. Davis
Post Drought Recovery In Malosma Laurina After Severe Dieback During California’S Historic Drought Of 2012-2016, Karagan L. Smith, Guinevere X. Mesh, Natalie M. Aguirre, Gabriella N. Palmeri, Helen I. Holmlund, Stephen D. Davis
Biology
Malosma laurina is a species of chaparral shrub that dominates coastal exposures of the Santa Monica Mountains of southern California. Between 2012 and 2016, protracted drought with half normal rainfall over a five-year period (175 mm), led to severe dieback, exceeding 50% whole plant mortality at some sites. The drought dissipated in 2017 with an annual rainfall that exceeded the 140-yr normal by 108 mm. As a result of this elevated annual rainfall in 2017, we were interested in documenting the potential for full recovery of Malosma laurina as a keystone species of coastal chaparral shrub communities. We tested the …
Introduction To Integrated Crop-Livestock Systems, P. Troy White
Introduction To Integrated Crop-Livestock Systems, P. Troy White
STEM & Agricultural Education Curriculum Resources
This presentation is an introductory lesson on integration of crop-livestock systems in the United States. The lesson includes national Agriculture, Food, and Natural Resources Standards, objectives, and a student project. This lesson is intended to be inquiry-based, and as such only foundational information is presented. Students are expected to take the introductory information and fins specific information needed to sold the problem posed at the beginning of the presentation. It is expected that at a minimum this lesson will take three 50-minute class periods and could take longer based on teacher preferences.
Determining If Host Serum Igg Titer Is Associated With Toxoplasma Gondii Virulence, Riley E Byrd
Determining If Host Serum Igg Titer Is Associated With Toxoplasma Gondii Virulence, Riley E Byrd
EURēCA: Exhibition of Undergraduate Research and Creative Achievement
Toxoplasma gondii is a protozoan parasite that causes the disease toxoplasmosis in animals and humans. One third of the world’s human population is chronically infected with this parasite (1). Toxoplasma gondii has two infectious forms: oocysts shed in the feces of felids (domestic and wild cats) and tissue cysts in chronically infected animals (Figure 1). Humans may become infected via ingestion of food or water contaminated with oocysts, the consumption of tissue cysts in undercooked meats, or vertical transmission from the mother to the fetus. Previous studies have found that T. gondii strains from South America are genetically diverse from …
Ameliorating Ocean Acidification: A Model Relating Pco2, Irradiance And Leaf Area Index Of Zostera Marina (Eelgrass) In Padilla Bay, Wa, Tyler Tran
Graduate Student Symposium
In nearshore, soft-sediment habitats of the Salish Sea, eelgrass (Zostera marina L.) meadows have been identified as potential mitigators of ocean acidification (OA) because their photosynthetic activity can decrease pCO2, increase pH and provide refuge for organisms sensitive to OA. The diurnal light cycle controls photosynthetic production of eelgrass and therefore, along with tidal cycles, exerts strong controls on variations in pCO2 in nearshore environment. In this study, we investigate the carbon uptake rates for eelgrass under varying light, ambient pCO2 conditions and eelgrass densities (leaf area index). The magnitude of changes …
Effects Of Environmental Enrichment On Behavior In A Domestic Goat Herd, Stephanie Peramas
Effects Of Environmental Enrichment On Behavior In A Domestic Goat Herd, Stephanie Peramas
Senior Honors Projects
Animal welfare is one of the most important parts of animal management. Apart from other measures of good animal welfare, like being in good health, animal behavior can be indicative of the animal’s internal state and is often one of the first signs of improper welfare. Stereotypies, or stereotypic behavior, are commonly viewed as a symptom of improper animal welfare. Unenriched, or barren, environments associated with farmed livestock have long been associated with inducing stereotypic behavior. The addition of precise enrichment to the animals’ environment is a common remedy for stereotypic behavior. With respect to stereotypic goat behavior, few empirical …
Urban Biogeography Of Fungal Endophytes In Metrosideros Excelsa Across San Francisco, Emma Gibson
Urban Biogeography Of Fungal Endophytes In Metrosideros Excelsa Across San Francisco, Emma Gibson
Creative Activity and Research Day - CARD
Trees in cities confer health and psychological benefits to the city's inhabitants, so the urban forest is a major component of human health in urban settings. Previous studies have shown that environmental factors can impact endophytic (within-plant) microbial communities of forest trees, but the effects that urban environmental factors may have on these communities are not well understood. Here, we characterized asymptomatic fungal communities in 30 individual Metrosideros excelsa trees from 6 distinct sites using culturing and molecular methods. We found high community diversity both within and among sites, and several patterns within these communities. For example, we found similarities …
Improving Habitat Restoration For Native Pollinators In San Francisco, Tyrha Delger
Improving Habitat Restoration For Native Pollinators In San Francisco, Tyrha Delger
Creative Activity and Research Day - CARD
By looking at how these three species are conserved inside and outside of San Francisco, how an urban environment might affect habitat conservation, and lessons learned from other cities’ restoration projects, we can improve urban habitat conservation projects.
Plant Biodiversity In The Face Of Climate Change: What Will Become Of Coastal Endemic Species?, Nila Le
Plant Biodiversity In The Face Of Climate Change: What Will Become Of Coastal Endemic Species?, Nila Le
Creative Activity and Research Day - CARD
How will longitudinally constrained coastal flora fare in the face of rapid anthropogenic climate change and disturbance? Coastal communities pose a unique problem for climate change and its associated risks. Species that are concentrated along the coast are naturally vulnerable to the influence of harsh abiotic ecology, such as coastal erosion and high salt concentrations. In addition, analogous to montane species-habitat interactions, coastal communities may be “pushed” off the coast edge as a result of tracking preferred climate in the face of climate variability and sea level rise. This can be problematic for species that cannot disperse quickly enough to …
Synthesis And Incorporation Of 1,2-Alkanolamine-Functionalized Lysine As A Non-Canonical Amino Acid Into Gfp, Chesley M. Rowlett
Synthesis And Incorporation Of 1,2-Alkanolamine-Functionalized Lysine As A Non-Canonical Amino Acid Into Gfp, Chesley M. Rowlett
Scholar Week 2016 - present
Synthesis of specific post translational modifications in proteins can be difficult but achievable via genetic code expansion techniques. An attempt has been made to synthesize and incorporate D-cThrK into green fluorescent protein (GFP) at an amber mutation site in Escherichia coli via the coordination of pyrrolysyl- tRNA synthetase and its cognate tRNApyl. The incorporation of this non-canonical amino acid and potential chemical transformations following it allow the synthesis of proteins with post translational lysine modifications, making a variety of basic and biotechnological applications available.
Bioaccumulation Of Zinc In Bermuda Grass (Cynodon Dactylon), Drew Fisher, H. Marie Surratt, Louise Gebauer, Andrew Palaski
Bioaccumulation Of Zinc In Bermuda Grass (Cynodon Dactylon), Drew Fisher, H. Marie Surratt, Louise Gebauer, Andrew Palaski
Featured Research
Phytoremediation is the plant based process to remove toxins such as heavy metals from the soil. In this experiment, we hypothesized Bermuda grass (Cyndon dactylon) will absorb a detectable level of zinc, a nontoxic metal, from the soil. We grew two separate groups of grass: the control and the experimental, which was watered with zinc acetate. Neither of the groups produced enough yield within the weeks given to the experiment, but if it went according to plan, we would have used flame atomic absorption spectroscopy to evaluate the relative concentrations of zinc. Significant uptake of zinc could reveal a possible …