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Articles 1 - 18 of 18
Full-Text Articles in Entire DC Network
Pvsripo Effect On Cancer, Vishal Jindal, Matthew Lee, Darshan Rola, Mir Saleem
Pvsripo Effect On Cancer, Vishal Jindal, Matthew Lee, Darshan Rola, Mir Saleem
Biology Faculty Articles
PVSRIPO, a variant of the poliovirus, is a revolutionary virus that demonstrates key characteristics for oncolytic virotherapy due to its ability to attack glioblastomas. The first criteria that PVSRIPO demonstrates is tumor-targeting tropism. PVSRIPO binds to nectin-like molecule 5 (Necl-5), a poliovirus receptor (PVR), found on different types of cancers such as lung cancer, colorectal cancer, and glioblastomas. This allows the virus to have a high binding affinity to tumor cells. Secondly, after modifying the poliovirus by substituting its internal ribosome entry site (IRES) with the Human Rhinovirus 2's (HRV2) IRES, the poliovirus becomes PVSRIPO, an attenuated version of the …
A Physical And Genetic Map Of Cannabis Sativa Identifies Extensive Rearrangements At The Thc/Cbd Acid Synthase Loci, Kaitlin Laverty, Jake Stout, Mitchell Sullivan, Hardik Shah, Navdeep Gill, Larry Holbrook, Gintaras Deikus, Robert Sebra, Timothy Hughes, Jonathan Page, Harm Van Bakel
A Physical And Genetic Map Of Cannabis Sativa Identifies Extensive Rearrangements At The Thc/Cbd Acid Synthase Loci, Kaitlin Laverty, Jake Stout, Mitchell Sullivan, Hardik Shah, Navdeep Gill, Larry Holbrook, Gintaras Deikus, Robert Sebra, Timothy Hughes, Jonathan Page, Harm Van Bakel
Biology Faculty Articles
Cannabis sativa is widely cultivated for medicinal, food, industrial, and recreational use, but much remains unknown regarding its genetics, including the molecular determinants of cannabinoid content. Here, we describe a combined physical and genetic map derived from a cross between the drug-type strain Purple Kush and the hemp variety “Finola.” The map reveals that cannabinoid biosynthesis genes are generally unlinked but that aromatic prenyltransferase (AP), which produces the substrate for THCA and CBDA synthases (THCAS and CBDAS), is tightly linked to a known marker for total cannabinoid content. We further identify the gene encoding CBCA synthase (CBCAS …
Role Of Genes In Obesity, Hanna Mathew, Mir Saleem
Role Of Genes In Obesity, Hanna Mathew, Mir Saleem
Biology Faculty Articles
Obesity is the outcome of an extreme difference between the energy intake and the energy expended, which leads to severe weight gain. The two main factors of obesity are environmental influences and genetics, but the extent of the genetic contribution to obesity continues to be unknown. Multiple studies using different tools have been used to support the significance of the genetic influence on obesity, such as twin and adoption studies, race/ethnicity, and mouse models. The use of mouse models has allowed for the greatest expansion of knowledge on the genetics behind obesity, and advancements continue to be made to this …
Comparison Of Two Ancient Dna Extraction Protocols For Skeletal Remains From Tropical Environments, Maria A. Nieves-Colon, Andrew T. Ozga, William J. Pestle, Andrea Cucina, Vera Tiesler, Travis W. Stanton, Anne C. Stone
Comparison Of Two Ancient Dna Extraction Protocols For Skeletal Remains From Tropical Environments, Maria A. Nieves-Colon, Andrew T. Ozga, William J. Pestle, Andrea Cucina, Vera Tiesler, Travis W. Stanton, Anne C. Stone
Biology Faculty Articles
Objectives
The tropics harbor a large part of the world's biodiversity and have a long history of human habitation. However, paleogenomics research in these climates has been constrained so far by poor ancient DNA yields. Here we compare the performance of two DNA extraction methods on ancient samples of teeth and petrous portions excavated from tropical and semi‐tropical sites in Tanzania, Mexico, and Puerto Rico (N = 12).
Materials and Methods
All samples were extracted twice, built into double‐stranded sequencing libraries, and shotgun sequenced on the Illumina HiSeq 2500. The first extraction protocol, Method D, was previously designed for …
Analytical “Bake-Off” Of Whole Genome Sequencing Quality For The Genome Russia Project Using A Small Cohort For Autoimmune Hepatitis, Daria V. Zhernakova, Sergei Kliver, Nikolay Cherkasov, Gaik Tamazian, Mikhail Rotkevich, Ksenia Krasheninnikova, Igor Evsyukov, Sviatoslav Sidorov, Pavel Dobrynin, Andrey A. Yurchenko, Valentin Shimansky, Irina V. Shcherbakova, Andrey S. Glotov, David L. Valle, Minzhong Tang, Emilia Shin, Kathleen B. Schwarz, Stephen James O'Brien
Analytical “Bake-Off” Of Whole Genome Sequencing Quality For The Genome Russia Project Using A Small Cohort For Autoimmune Hepatitis, Daria V. Zhernakova, Sergei Kliver, Nikolay Cherkasov, Gaik Tamazian, Mikhail Rotkevich, Ksenia Krasheninnikova, Igor Evsyukov, Sviatoslav Sidorov, Pavel Dobrynin, Andrey A. Yurchenko, Valentin Shimansky, Irina V. Shcherbakova, Andrey S. Glotov, David L. Valle, Minzhong Tang, Emilia Shin, Kathleen B. Schwarz, Stephen James O'Brien
Biology Faculty Articles
A comparative analysis of whole genome sequencing (WGS) and genotype calling was initiated for ten human genome samples sequenced by St. Petersburg State University Peterhof Sequencing Center and by three commercial sequencing centers outside of Russia. The sequence quality, efficiency of DNA variant and genotype calling were compared with each other and with DNA microarrays for each of ten study subjects. We assessed calling of SNPs, indels, copy number variation, and the speed of WGS throughput promised. Twenty separate QC analyses showed high similarities among the sequence quality and called genotypes. The ten genomes tested by the centers included eight …
Differential Preservation Of Endogenous Human And Microbial Dna In Dental Calculus And Dentin, Allison E. Mann, Susanna Sabin, Kirsten Ziesemer, Ashild J. Vagene, Hannes Schroeder, Andrew T. Ozga, Krithivasan Sankaranarayanan, Courtney A. Hofman, James A. Fellows Yates, Domingo C. Salazar-Garcia, Bruno Frohlich, Mark Aldenderfer, Menno Hoogland, Christopher Read, George R. Milner, Anne C. Stone, Cecil M. Lewis Jr., Johannes Krause, Corinne Hofman, Kirsten I. Bos, Christina Warinner
Differential Preservation Of Endogenous Human And Microbial Dna In Dental Calculus And Dentin, Allison E. Mann, Susanna Sabin, Kirsten Ziesemer, Ashild J. Vagene, Hannes Schroeder, Andrew T. Ozga, Krithivasan Sankaranarayanan, Courtney A. Hofman, James A. Fellows Yates, Domingo C. Salazar-Garcia, Bruno Frohlich, Mark Aldenderfer, Menno Hoogland, Christopher Read, George R. Milner, Anne C. Stone, Cecil M. Lewis Jr., Johannes Krause, Corinne Hofman, Kirsten I. Bos, Christina Warinner
Biology Faculty Articles
Dental calculus (calcified dental plaque) is prevalent in archaeological skeletal collections and is a rich source of oral microbiome and host-derived ancient biomolecules. Recently, it has been proposed that dental calculus may provide a more robust environment for DNA preservation than other skeletal remains, but this has not been systematically tested. In this study, shotgun-sequenced data from paired dental calculus and dentin samples from 48 globally distributed individuals are compared using a metagenomic approach. Overall, we find DNA from dental calculus is consistently more abundant and less contaminated than DNA from dentin. The majority of DNA in dental calculus is …
Hypocrisy And Corruption: How Disparities In Power Shape The Evolution Of Social Control, Omar T. Eldakar, J. Oliver Kammeyer, Nikhil Nagabandi, Andrew C. Gallup
Hypocrisy And Corruption: How Disparities In Power Shape The Evolution Of Social Control, Omar T. Eldakar, J. Oliver Kammeyer, Nikhil Nagabandi, Andrew C. Gallup
Biology Faculty Articles
Altruism presents an evolutionary paradox, as altruistic individuals are good for the group yet vulnerable to exploitation by selfish individuals. One mechanism that can effectively curtail selfishness within groups is punishment. Here, we show in an evolutionary game-theoretical model that punishment can effectively evolve and maintain high levels of altruism in the population, yet not all punishment strategies were equally virtuous. Unlike typical models of social evolution, we explicitly altered the extent to which individuals vary in their power over others, such that powerful individuals can more readily punish and escape the punishment of others. Two primary findings emerged. Under …
A Novel On‐Chip Method For Differential Extraction Of Sperm In Forensic Cases, Fatih Inci, Mehmet O. Ozen, Yeseren Saylan, Morteza Miansari, Duygu Cimen, Raghu Dhara, Thiruppathiraja Chinnasamy, Mehmet Yuksekkaya, Chiara Filippini, Deepan Kishore Kumar, Semih Calamak, Yusuf Yesil, Naside Gozde Durmus, George Duncan, Leonard Klevan, Utkan Demirci
A Novel On‐Chip Method For Differential Extraction Of Sperm In Forensic Cases, Fatih Inci, Mehmet O. Ozen, Yeseren Saylan, Morteza Miansari, Duygu Cimen, Raghu Dhara, Thiruppathiraja Chinnasamy, Mehmet Yuksekkaya, Chiara Filippini, Deepan Kishore Kumar, Semih Calamak, Yusuf Yesil, Naside Gozde Durmus, George Duncan, Leonard Klevan, Utkan Demirci
Biology Faculty Articles
One out of every six American women has been the victim of a sexual assault in their lifetime. However, the DNA casework backlog continues to increase outpacing the nation's capacity since DNA evidence processing in sexual assault casework remains a bottleneck due to laborious and time‐consuming differential extraction of victim's and perpetrator's cells. Additionally, a significant amount (60–90%) of male DNA evidence may be lost with existing procedures. Here, a microfluidic method is developed that selectively captures sperm using a unique oligosaccharide sequence (Sialyl‐LewisX), a major carbohydrate ligand for sperm‐egg binding. This method is validated with forensic mock samples dating …
Periodontitis In Patients With Type 2 Diabetes Mellitus, Simran Agarwal, Deepthi Gangaram, Mir Saleem
Periodontitis In Patients With Type 2 Diabetes Mellitus, Simran Agarwal, Deepthi Gangaram, Mir Saleem
Biology Faculty Articles
Periodontitis is a chronic, inflammatory disease that is characterized by swollen gums, degradation of jaw structure, and potentially tooth loss. Like Periodontitis, Type 2 Diabetes Mellitus is also highly prevalent and largely multifactorial. Type 2 Diabetes is a condition in which higher than normal blood glucose levels cannot be properly maintained as the body’s normal mechanism of maintaining proper blood glucose levels, the release of insulin from pancreatic islet β-cells, becomes ineffective. The purpose of this literature review is to explore the relationship between the incidences of Periodontitis and Type 2 Diabetes. The risk that Type 2 Diabetes poses for …
Internal Validation Of Strmix™ – A Multi Laboratory Response To Pcast, Jo-Anne Bright, Rebecca Richards, Maarten Kruijver, Hannah Kelly, Catherine Mcgovern, Alan Magee, Andrew Mcwhorter, Anne Cieko, Brian Peck, Chase Baumgartner, Christina Buettner, Scott Mcwilliams, Claire Mckenna, Colin Gallacher, Ben Mallinder, Darren Wright, Deven Johnson, Dorothy Catella, Eugene Lien, Craig O'Connor, George Duncan, Jason Bundy, Jillian Echard, John Lowe, Joshua Stewart, Kathleen Corrado, Sheila Gentile, Marla Kaplan, Michelle Hassler, Naomi Mcdonald, Paul Hulme, Rachel H. Oefelein, Shawn Montpetit, Melissa Strong, Sarah Noel, Simon Malsom, Steven Myers, Susan Welti, Tamyra Moretti, Teresa Mcmahon, Thomas Grill, Tim Kalafut, Mary Margaret Greer-Ritzheimer, Vickie Beamer, Duncan A. Taylor, John S. Buckleton
Internal Validation Of Strmix™ – A Multi Laboratory Response To Pcast, Jo-Anne Bright, Rebecca Richards, Maarten Kruijver, Hannah Kelly, Catherine Mcgovern, Alan Magee, Andrew Mcwhorter, Anne Cieko, Brian Peck, Chase Baumgartner, Christina Buettner, Scott Mcwilliams, Claire Mckenna, Colin Gallacher, Ben Mallinder, Darren Wright, Deven Johnson, Dorothy Catella, Eugene Lien, Craig O'Connor, George Duncan, Jason Bundy, Jillian Echard, John Lowe, Joshua Stewart, Kathleen Corrado, Sheila Gentile, Marla Kaplan, Michelle Hassler, Naomi Mcdonald, Paul Hulme, Rachel H. Oefelein, Shawn Montpetit, Melissa Strong, Sarah Noel, Simon Malsom, Steven Myers, Susan Welti, Tamyra Moretti, Teresa Mcmahon, Thomas Grill, Tim Kalafut, Mary Margaret Greer-Ritzheimer, Vickie Beamer, Duncan A. Taylor, John S. Buckleton
Biology Faculty Articles
We report a large compilation of the internal validations of the probabilistic genotyping software STRmix™. Thirty one laboratories contributed data resulting in 2825 mixtures comprising three to six donors and a wide range of multiplex, equipment, mixture proportions and templates. Previously reported trends in the LR were confirmed including less discriminatory LRs occurring both for donors and non-donors at low template (for the donor in question) and at high contributor number. We were unable to isolate an effect of allelic sharing. Any apparent effect appears to be largely confounded with increased contributor number.
Neuropsychiatric Aspects Of Near-Death Experience, Jerod Buchta, Mir Saleem
Neuropsychiatric Aspects Of Near-Death Experience, Jerod Buchta, Mir Saleem
Biology Faculty Articles
Throughout human history, there have been numerous reports of a baffling process when individuals have come to the brink of death. This process, referred to as near death experiences (NDEs), cause an individual to experience events that even the most advanced science can still not answer. This review serves as a reference for the factors, phenomenology, and measurement techniques for near death experiences as well as summarizing these experiences in certain conditions, such as cardiac arrest and admission of anesthetics. Discussed are the theories, effects, analyses of specific processes involved pertaining to experiences of those who walked along the edge …
The Successful Exploitation Of Urban Environments By The Golden Silk Spider, Nephila Clavipes (Araneae, Nephilidae), Jake Ripp, Omar T. Eldakar, Andrew C. Gallup, Paul T. Arena
The Successful Exploitation Of Urban Environments By The Golden Silk Spider, Nephila Clavipes (Araneae, Nephilidae), Jake Ripp, Omar T. Eldakar, Andrew C. Gallup, Paul T. Arena
Biology Faculty Articles
Urbanization typically leads to habitat destruction producing negative effects for native species, but some species may exploit these settings. This concept was investigated in the golden silk spider (Nephila clavipes), a large, formidable spider that commonly inhabits forest edges as well as open spaces in urban environments throughout its vast geographic range. Here, we compared variation of N. clavipes success as measured by body size, web size and web positioning along an urban–rural gradient in southern Florida. From morphological measurements collected in the field, urban spiders had 60% longer legs and 35% longer bodies than both park and …
The Importance Of Preventative Medicine In Conjunction With Modern Day Genetic Studies, Sierra Sandler, Lauren Alfino, Mir Saleem
The Importance Of Preventative Medicine In Conjunction With Modern Day Genetic Studies, Sierra Sandler, Lauren Alfino, Mir Saleem
Biology Faculty Articles
Genetic screening in the primary care setting is the future of preventative medicine. Genetic testing is an important medical tool for assessing various inheritable diseases, conditions, and cancers. The ability to diagnose patients before symptoms surface can help lessen the severity of symptoms and promote quality of life. However, genetic screening can cause psychological distress from the knowledge of test results, in some cases only serving to increase the risk of developing a condition due to stress. Genetic testing can be conducted anytime in life, even before birth. In this review, a compilation of genetic testing's definitions and boundaries, factors …
Communicating Discovery-Based Research Results To The News: A Real-World Lesson In Science Communication For Undergraduate Students, Julie Torruellas Garcia
Communicating Discovery-Based Research Results To The News: A Real-World Lesson In Science Communication For Undergraduate Students, Julie Torruellas Garcia
Biology Faculty Articles
Communicating science effectively to the general public is a necessary skill that takes practice. Generally, undergraduate science majors are taught to communicate to other scientists but are not given formal training on how to communicate with a nonscientist. An opportunity to appear on a news segment can be used as a real-world lesson on science communication for your students. This article will describe how to contact a producer to get your class on a news segment, ideas for types of research that may be of interest to the media, and how to practice communicating the results effectively.
Deep-Sea Hydrothermal Vents As Natural Egg-Case Incubators At The Galapagos Rift, Pelayo Salinas-De-Leon, Brennan Phillips, David A. Ebert, Mahmood S. Shivji, Florencia Cerutti-Pereyra, Cassandra Ruck, Charles R. Fisher, Leigh Marsh
Deep-Sea Hydrothermal Vents As Natural Egg-Case Incubators At The Galapagos Rift, Pelayo Salinas-De-Leon, Brennan Phillips, David A. Ebert, Mahmood S. Shivji, Florencia Cerutti-Pereyra, Cassandra Ruck, Charles R. Fisher, Leigh Marsh
Biology Faculty Articles
The discovery of deep-sea hydrothermal vents in 1977 challenged our views of ecosystem functioning and yet, the research conducted at these extreme and logistically challenging environments still continues to reveal unique biological processes. Here, we report for the first time, a unique behavior where the deep-sea skate, Bathyraja spinosissima, appears to be actively using the elevated temperature of a hydrothermal vent environment to naturally “incubate” developing egg-cases. We hypothesize that this behavior is directly targeted to accelerate embryo development time given that deep-sea skates have some of the longest egg incubation times reported for the animal kingdom. Similar egg …
Is There A Link Between Aging And Microbiome Diversity In Exceptional Mammalian Longevity?, Graham M. Hughes, John Leech, Sebastien J. Puechmaille, Jose V. Lopez, Emma C. Teeling
Is There A Link Between Aging And Microbiome Diversity In Exceptional Mammalian Longevity?, Graham M. Hughes, John Leech, Sebastien J. Puechmaille, Jose V. Lopez, Emma C. Teeling
Biology Faculty Articles
A changing microbiome has been linked to biological aging in mice and humans, suggesting a possible role of gut flora in pathogenic aging phenotypes. Many bat species have exceptional longevity given their body size and some can live up to ten times longer than expected with little signs of aging. This study explores the anal microbiome of the exceptionally long-lived Myotis myotis bat, investigating bacterial composition in both adult and juvenile bats to determine if the microbiome changes with age in a wild, long-lived non-model organism, using non-lethal sampling. The anal microbiome was sequenced using metabarcoding in more than 50 …
Treatment Outcomes Of Mohs Surgery Vs. Imiquimod In Basal Cell Carcinoma, Mir Saleem, Julianna Robinson
Treatment Outcomes Of Mohs Surgery Vs. Imiquimod In Basal Cell Carcinoma, Mir Saleem, Julianna Robinson
Biology Faculty Articles
Background: Basal Cell Carcinoma (BCC) is a type of skin cancer, and a growing number of cases are diagnosed each year. There are many treatment options available, however finding the best treatment that has the lowest recurrence rate and morbidity is a challenge. The treatment options vary from topical or systemic medications to special procedures to surgical interventions. Treatment’s effectiveness largely differs on the BCC sub-type and its individual features. Method: Data was collected from the charts of patients that were diagnosed with BCC. The selected patients were treated by either Mosh surgery or Imiquimod. Results: Majority …
Selective Serotonin Reuptake Inhibitor (Ssri) Efficiency, And Comparison To Alternative Antidepressant Treatments, Angela Camilli, Mir Saleem
Selective Serotonin Reuptake Inhibitor (Ssri) Efficiency, And Comparison To Alternative Antidepressant Treatments, Angela Camilli, Mir Saleem
Biology Faculty Articles
Depression is one of the most important causes of disability-adjusted life years. Currently, the majority of patients are treated with SSRIs. However, the effectiveness of SSRIs is questionable. Method: The purpose of this study was to determine the effectiveness of the pharmacotherapy treatment selective serotonin reuptake inhibitors (SSRIs) in patients diagnosed with major depression. This was achieved by comparison to other methods of antidepressant treatment such as, selective serotonin norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), electroconvulsive therapy (ECT), and psychotherapy. Results: The majority of patients were taking SSRIs for treatment of depression alone or in combination with other antidepressant …