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Articles 1 - 30 of 63
Full-Text Articles in Life Sciences
Effects Of Riverine Barriers On Avian Evolution In The Amazon Basin, Andre Eugene Moncrieff
Effects Of Riverine Barriers On Avian Evolution In The Amazon Basin, Andre Eugene Moncrieff
LSU Doctoral Dissertations
The high biodiversity found in the Amazon Basin has long captivated the attention of naturalists and evolutionary biologists seeking to explain its origins. Early observations by Alfred Wallace highlighted the role of rivers in delimiting the geographic ranges of many species; furthermore, where rivers narrow towards their headwaters, he noted that some species cross rivers freely. A major goal of this dissertation is to investigate how these and other observations about riverine barriers might inform our understanding of how speciation unfolds in Amazonia. My approach involved generating genomic data with dense geographic sampling for manakins in the genus Lepidothrix, …
Extrachromosomal Dna (Ecdna): An Origin Of Tumor Heterogeneity, Genomic Remodeling, And Drug Resistance., Lauren T Pecorino, Roel G W Verhaak, Anton Henssen, Paul S Mischel
Extrachromosomal Dna (Ecdna): An Origin Of Tumor Heterogeneity, Genomic Remodeling, And Drug Resistance., Lauren T Pecorino, Roel G W Verhaak, Anton Henssen, Paul S Mischel
Faculty Research 2022
The genome of cancer cells contains circular extrachromosomal DNA (ecDNA) elements not found in normal cells. Analysis of clinical samples reveal they are common in most cancers and their presence indicates poor prognosis. They often contain enhancers and driver oncogenes that are highly expressed. The circular ecDNA topology leads to an open chromatin conformation and generates new gene regulatory interactions, including with distal enhancers. The absence of centromeres leads to random distribution of ecDNAs during cell division and genes encoded on them are transmitted in a non-mendelian manner. ecDNA can integrate into and exit from chromosomal DNA. The numbers of …
Taxonomic Assessment Of Two Wild House Mouse Subspecies Using Whole-Genome Sequencing., Raman Akinyanju Lawal, Verity L Mathis, Mary Barter, Jeremy R. Charette, Alexis Garretson, Beth L Dumont
Taxonomic Assessment Of Two Wild House Mouse Subspecies Using Whole-Genome Sequencing., Raman Akinyanju Lawal, Verity L Mathis, Mary Barter, Jeremy R. Charette, Alexis Garretson, Beth L Dumont
Faculty Research 2022
The house mouse species complex (Mus musculus) is comprised of three primary subspecies. A large number of secondary subspecies have also been suggested on the basis of divergent morphology and molecular variation at limited numbers of markers. While the phylogenetic relationships among the primary M. musculus subspecies are well-defined, relationships among secondary subspecies and between secondary and primary subspecies remain less clear. Here, we integrate de novo genome sequencing of museum-stored specimens of house mice from one secondary subspecies (M. m. bactrianus) and publicly available genome sequences of house mice previously characterized as M. m. helgolandicus, with whole genome sequences …
Population Genomic Characterization Of Cercospora Janseana On Rice In The Southern United States, Jacob Searight
Population Genomic Characterization Of Cercospora Janseana On Rice In The Southern United States, Jacob Searight
LSU Master's Theses
Cercospora janseana is the causative agent of narrow brown leaf spot (NBLS). Effort had been undertaken since the 1940’s to control this disease through resistance breeding in the Southern United States. However, a severe epidemic of NBLS in 2006 inspired renewed focus on managing this disease. One tool for managing this disease has been identified among resistant cultivars, the CRSP-2.1 resistance locus to NBLS. One thing limiting the investment and deployment of CRSP-2.1, and other unknown resistance genes, is the historical observation that resistance to NBLS rapidly breaks-down in the field. Together, the rapid breakdown of resistance to NBLS …
Adding Gene Transcripts Into Genomic Prediction Improves Accuracy And Reveals Sampling Time Dependence., Bruno C Perez, Marco C A M Bink, Karen L. Svenson, Gary Churchill, Mario P L Calus
Adding Gene Transcripts Into Genomic Prediction Improves Accuracy And Reveals Sampling Time Dependence., Bruno C Perez, Marco C A M Bink, Karen L. Svenson, Gary Churchill, Mario P L Calus
Faculty Research 2022
Recent developments allowed generating multiple high-quality 'omics' data that could increase the predictive performance of genomic prediction for phenotypes and genetic merit in animals and plants. Here, we have assessed the performance of parametric and nonparametric models that leverage transcriptomics in genomic prediction for 13 complex traits recorded in 478 animals from an outbred mouse population. Parametric models were implemented using the best linear unbiased prediction, while nonparametric models were implemented using the gradient boosting machine algorithm. We also propose a new model named GTCBLUP that aims to remove between-omics-layer covariance from predictors, whereas its counterpart GTBLUP does not do …
Neotype Designation For Papilio Fulgerator Walch, 1775 (Hesperiidae: Eudaminae), Jing Zhang, Qian Cong, Gerardo Lamas, Nick V. Grishin
Neotype Designation For Papilio Fulgerator Walch, 1775 (Hesperiidae: Eudaminae), Jing Zhang, Qian Cong, Gerardo Lamas, Nick V. Grishin
The Taxonomic Report of the International Lepidoptera Survey
The discovery that a skipper butterfly Telegonus fulgerator (Walch, 1775), previously placed in the genus Astraptes Hübner, [1819], is a complex of many similar-looking species-level taxa with different COI barcodes, caterpillar foodplants, and body patterns, and subtle differences in adult phenotypes raised a question about which species is the original T. fulgerator. To answer this question, being unable to locate its holotype, we designate the neotype of Papilio fulgerator Walch, 1775, a female specimen from Suriname in the Zoological State Collection, Munich, Germany. This neotype will form the foundation for a comprehensive revision of the T. fulgerator complex based …
Genomics And Transcriptomics To Protect Rice (Oryza Sativa L.) From Abiotic Stressors: -Pathways To Achieving Zero Hunger, Mushtaq Ahmad
Genomics And Transcriptomics To Protect Rice (Oryza Sativa L.) From Abiotic Stressors: -Pathways To Achieving Zero Hunger, Mushtaq Ahmad
Center for Plant Science Innovation: Faculty and Staff Publications
More over half of the world’s population depends on rice as a major food crop. Rice (Oryza sativa L.) is vulnerable to abiotic challenges including drought, cold, and salinity since it grown in semi-aquatic, tropical, or subtropical settings. Abiotic stress resistance has bred into rice plants since the earliest rice cultivation techniques. Prior to the discovery of the genome, abiotic stressrelated genes were identified using forward genetic methods, and abiotic stress-tolerant lines have developed using traditional breeding methods. Dynamic transcriptome expression represents the degree of gene expression in a specific cell, tissue, or organ of an individual organism at …
Ngly1 Deficiency Affects Glycosaminoglycan Biosynthesis And Wnt Signaling Pathway In Mice, Amy Batten
Ngly1 Deficiency Affects Glycosaminoglycan Biosynthesis And Wnt Signaling Pathway In Mice, Amy Batten
PANDION: The Osprey Journal of Research and Ideas
Individuals affected by NGLY1 Deficiency cannot properly deglycosylate and recycle certain proteins. Even though less than 100 people worldwide have been diagnosed with this rare autosomal recessive condition, thousands are affected by similar glycosylation disorders. Common phenotypic manifestations of NGLY1 Deficiency include severe neural and intellectual delay, impaired muscle and liver function, and seizures that may become intractable. Very little is currently known about the various mechanisms through which NGLY1 deficiency affects the body and this has led to a lack of viable treatment options for those afflicted. This experiment uses a loss-of-function (LOF) mouse model of NGLY1 Deficiency homologous …
Functional Genomics Of Complex Cancer Genomes., Francesca Menghi, Edison Liu
Functional Genomics Of Complex Cancer Genomes., Francesca Menghi, Edison Liu
Faculty Research 2022
Cancer functional genomics is the study of how genetic, epigenetic, and transcriptional alterations affect cancer phenotypes, such as growth and therapeutic response. Here, we comment on how, taking advantage of next generation sequencing, functional genomics, often combined with systems biology approaches, has revealed novel cancer vulnerabilities beyond the original paradigm of one gene-one phenotype.
Taxonomic Discoveries Enabled By Genomic Analysis Of Butterflies, Jing Zhang, Qing Cong, Jinhui Shen, Leina Song, Riley J. Gott, Pierre Boyer, Crispin S. Guppy, Steve Kohler, Gerardo Lamas, Paul A. Opler, Nick V. Grishin
Taxonomic Discoveries Enabled By Genomic Analysis Of Butterflies, Jing Zhang, Qing Cong, Jinhui Shen, Leina Song, Riley J. Gott, Pierre Boyer, Crispin S. Guppy, Steve Kohler, Gerardo Lamas, Paul A. Opler, Nick V. Grishin
The Taxonomic Report of the International Lepidoptera Survey
The comparative genomics of butterflies yields additional insights into their phylogeny and classification that are compiled here. As a result, 3 genera, 5 subgenera, 5 species, and 3 subspecies are proposed as new, that is, in Hesperiidae: Antina Grishin, gen. n. (type species Antigonus minor O. Mielke, 1980), Pompe Grishin and Lamas, gen. n. (type species Lerema postpuncta Draudt, 1923), and Curva Grishin, gen. n. (type species Moeris hyagnis Godman, 1900); in Lycaenidae: Fussia Grishin, subgen. n. (type species Polyommatus standfussi Grum-Grshimailo, 1891) and Pava Grishin, subgen. n. (type species Thecla panava Westwood, 1852); in Hesperiidae: Monoca Grishin, subgen. n. …
A Standardized Nomenclature For Mammalian Histone Genes., Ruth L Seal, Paul Denny, Elspeth A Bruford, Anna K Gribkova, David Landsman, William F Marzluff, Monica Mcandrews, Anna R Panchenko, Alexey K Shaytan, Paul B Talbert
A Standardized Nomenclature For Mammalian Histone Genes., Ruth L Seal, Paul Denny, Elspeth A Bruford, Anna K Gribkova, David Landsman, William F Marzluff, Monica Mcandrews, Anna R Panchenko, Alexey K Shaytan, Paul B Talbert
Faculty Research 2022
Histones have a long history of research in a wide range of species, leaving a legacy of complex nomenclature in the literature. Community-led discussions at the EMBO Workshop on Histone Variants in 2011 resulted in agreement amongst experts on a revised systematic protein nomenclature for histones, which is based on a combination of phylogenetic classification and historical symbol usage. Human and mouse histone gene symbols previously followed a genome-centric system that was not applicable across all vertebrate species and did not reflect the systematic histone protein nomenclature. This prompted a collaboration between histone experts, the Human Genome Organization (HUGO) Gene …
Diversity Of Reptile Sex Chromosome Evolution Revealed By Cytogenetic And Linked-Read Sequencing, Ze-Xian Zhu, Kazumi Matsubara, Foyez Shams, Jason Dobry, Erik Wapstra, Tony Gamble, Stephen D. Sarre, Arthur Georges, Jennifer A. Marshall Graves, Qi Zhou, Tariq Ezaz
Diversity Of Reptile Sex Chromosome Evolution Revealed By Cytogenetic And Linked-Read Sequencing, Ze-Xian Zhu, Kazumi Matsubara, Foyez Shams, Jason Dobry, Erik Wapstra, Tony Gamble, Stephen D. Sarre, Arthur Georges, Jennifer A. Marshall Graves, Qi Zhou, Tariq Ezaz
Biological Sciences Faculty Research and Publications
Reptile sex determination is attracting much attention because the great diversity of sex-determination and dosage compensation mechanisms permits us to approach fundamental questions about mechanisms of sex chromosome turnover. Recent studies have made significant progress in better understanding diversity and conservation of reptile sex chromosomes, with however no reptile master sex determination genes identified. Here we describe an integrated genomics and cytogenetics pipeline, combining probes generated from the microdissected sex chromosomes with transcriptome and genome sequencing to explore the sex chromosome diversity in non-model Australian reptiles. We tested our pipeline on a turtle, two species of geckos, and a monitor …
Hybrid Incompatibility Between Ldrosophila Virilis And D. Lummei Is Stronger In The Presence Of Transposable Elements, Dean M. Castillo, Leonie C. Moyle
Hybrid Incompatibility Between Ldrosophila Virilis And D. Lummei Is Stronger In The Presence Of Transposable Elements, Dean M. Castillo, Leonie C. Moyle
Nebraska Extension: Faculty and Staff Publications
Mismatches between parental genomes in selfish elements are frequently hypothesized to underlie hybrid dysfunction and drive speciation. However, because the genetic basis of most hybrid incompatibilities is unknown, testing the contribution of selfish elements to reproductive isolation is difficult. Here, we evaluated the role of transposable elements (TEs) in hybrid incompatibilities between Drosophila virilis and D. lummei by experimentally comparing hybrid incompatibility in a cross where active TEs are present in D. virilis (TE+) and absent in D. lummei, to a cross where these TEs are absent from both D. virilis (TE−) and D. lummei genotypes. Using genomic data, …
Regulation Of T Cell Activation By The Cd5 Co-Receptor And Altered Peptides, Characterization Of Thymidine Kinase-Specific Antibodies, And Integrating Genomics Education In Society, Kiara Vaden Whitley
Regulation Of T Cell Activation By The Cd5 Co-Receptor And Altered Peptides, Characterization Of Thymidine Kinase-Specific Antibodies, And Integrating Genomics Education In Society, Kiara Vaden Whitley
Theses and Dissertations
Helper T cells (Th) are a vital component of the immune system responsible for directing other immune cells to eliminate pathogens and cancer. Specifically, Th cells facilitate B cell and cytotoxic T cell (Tc) activation and recruitment and enhance their function against cancer and infectious diseases. Th cells are a valuable resource for improving Tc responses in cancer treatment and have become a focus of immunotherapeutic research. While it is increasingly clear that helper T cells serve an important role, the details about which entities produce an effective Th cell response remain unclear. CD5 is a T cell co-receptor that …
Methods And Tools To Improve Performance Of Plant Genome Analysis, Drew Ferrell
Methods And Tools To Improve Performance Of Plant Genome Analysis, Drew Ferrell
Theses and Dissertations
Multi -omics data analysis and integration facilitates hypothesis building toward an understanding of genes and pathway responses driven by environments. Methods designed to estimate and analyze gene expression, with regard to treatments or conditions, can be leveraged to understand gene-level responses in the cell. However, genes often interact and signal within larger structures such as pathways and networks. Complex studies guided toward describing dynamic genetic pathways and networks require algorithms or methods designed for inference based on gene interactions and related topologies. Classes of algorithms and methods may be integrated into generalized workflows for comparative genomics studies, as multi -omics …
A Genomic Investigation Of Divergence Between Tuna Species, Pavel V. Dimens
A Genomic Investigation Of Divergence Between Tuna Species, Pavel V. Dimens
Dissertations
Effective management and conservation of marine pelagic fishes is heavily dependent on a robust understanding of their population structure, their evolutionary history, and the delineation of appropriate management units. The Yellowfin tuna (Thunnus albacares) and the Blackfin tuna (Thunnus atlanticus) are two exploited epipelagic marine species with overlapping ranges in the tropical and sub-tropical Atlantic Ocean. This work analyzed genome-wide genetic variation of both species in the Atlantic basin to investigate the occurrence of population subdivision and adaptive variation. A de novo assembly of the Blackfin tuna genome was generated using Illumina paired-end sequencing data and …
Phenotype-Driven Approaches To Enhance Variant Prioritization And Diagnosis Of Rare Disease., Julius O B Jacobsen, Catherine Kelly, Valentina Cipriani, Genomics England Research Consortium, Christopher J Mungall, Justin Reese, Daniel Danis, Peter N Robinson, Damian Smedley
Phenotype-Driven Approaches To Enhance Variant Prioritization And Diagnosis Of Rare Disease., Julius O B Jacobsen, Catherine Kelly, Valentina Cipriani, Genomics England Research Consortium, Christopher J Mungall, Justin Reese, Daniel Danis, Peter N Robinson, Damian Smedley
Faculty Research 2022
Rare disease diagnostics and disease gene discovery have been revolutionized by whole-exome and genome sequencing but identifying the causative variant(s) from the millions in each individual remains challenging. The use of deep phenotyping of patients and reference genotype-phenotype knowledge, alongside variant data such as allele frequency, segregation, and predicted pathogenicity, has proved an effective strategy to tackle this issue. Here we review the numerous tools that have been developed to automate this approach and demonstrate the power of such an approach on several thousand diagnosed cases from the 100,000 Genomes Project. Finally, we discuss the challenges that need to be …
The Presence And Distribution Of Crotoxin In The Rock Rattlesnake (Crotalus Lepidus), Jade Mellor
The Presence And Distribution Of Crotoxin In The Rock Rattlesnake (Crotalus Lepidus), Jade Mellor
All Theses
Crotoxin and its homologs (hereafter all referred to as CTx) is a highly lethal heterodimeric beta-neurotoxin found in pitvipers (Crotalinae) and is the main driver of neurotoxic venom phenotypes (Type II). In contrast, hemorrhagic venom phenotypes (Type I) are characterized by high snake venom metalloproteinase expression and low toxicity. Although many rattlesnake species have been classified as either Type I or Type II, population level variation in venom phenotype has also been documented in several species. The presence or absence of CTx is the main component of this variation in venom phenotype and has been most widely studied in large-bodied …
Riverscape Community Genomics Of Ozark Fishes: A Comparative Framework To Infer Ecological And Evolutionary Determinants Of Genetic Diversity, Zachery D. Zbinden
Riverscape Community Genomics Of Ozark Fishes: A Comparative Framework To Infer Ecological And Evolutionary Determinants Of Genetic Diversity, Zachery D. Zbinden
Graduate Theses and Dissertations
Genetic variation is a crucial component of biodiversity and represents the variability and spatial structure of alleles within and among organisms. Evolution modulates this variability over time through mutation, selection, gene flow, and genetic drift. However, our capacity to test foundational theories of population genetics has always been at the mercy of molecular approaches available to quantify patterns of genetic diversity. Initially, techniques for empirical DNA studies were in their infancy and limited by technologies and the price per unit of genetic information. Because of these constraints, our pursuits have generally been limited to investigations of one or a few …
Decoding The Tumor And Immune Microenvironment In Pdac And Breast Cancer By Single Cell Sequencing., Aislyn Schalck
Decoding The Tumor And Immune Microenvironment In Pdac And Breast Cancer By Single Cell Sequencing., Aislyn Schalck
Dissertations & Theses (Open Access)
This work utilizes single cell RNA sequencing to identify transcriptional populations and gene changes for the purpose of immune-related cancer therapies. First we have characterized the T cell populations of the normal and malignant human pancreas. Furthermore, we utilized single cell TCR sequencing to track transcriptional states of T cell clones from human PDACs into a T cell culture product for adoptive cell therapy. Second, we examined the potential role of radiotherapy in inducing an immune response in hormone receptor positive breast tumors.
Development Of Graphical Models And Statistical Physics Motivated Approaches To Genomic Investigations, Yashwanth Lagisetty
Development Of Graphical Models And Statistical Physics Motivated Approaches To Genomic Investigations, Yashwanth Lagisetty
Dissertations & Theses (Open Access)
Identifying genes involved in disease pathology has been a goal of genomic research since the early days of the field. However, as technology improves and the body of research grows, we are faced with more questions than answers. Among these is the pressing matter of our incomplete understanding of the genetic underpinnings of complex diseases. Many hypotheses offer explanations as to why direct and independent analyses of variants, as done in genome-wide association studies (GWAS), may not fully elucidate disease genetics. These range from pointing out flaws in statistical testing to invoking the complex dynamics of epigenetic processes. In the …
Genetics And Genomics Education Among Physician Assistants, Wesley Patterson
Genetics And Genomics Education Among Physician Assistants, Wesley Patterson
All Dissertations
This dissertation comprises five chapters to describe genetics and genomics education among physician assistant/associate (PA) students and practicing PAs. Chapter I introduces the gap in supply and demand of genetic services, the need for non-genetics healthcare providers to fill the gap, and the PA profession as a solution.
Chapter II is a rapid literature review that summarizes the available literature regarding genetics and genomics education for PAs. A paucity of literature exists to describe the current state of PA genetics-genomics education. The few studies retrieved describe content being taught in PA programs, the number of genetics-genomics contact hours PA students …
Strategic Plan For Genomic Competencies Into Undergraduate Nursing Curriculum, Myerann Royce M. Mangalino
Strategic Plan For Genomic Competencies Into Undergraduate Nursing Curriculum, Myerann Royce M. Mangalino
UNLV Theses, Dissertations, Professional Papers, and Capstones
Problem: As genomics research continues to grow in medicine and in popular culture, an educational gap in nursing is inevitable. Nurses must have a strong understanding of genetics and genomics to effectively integrate them into current practice.Objectives: The objective is to identify gaps in the current undergraduate curriculum and build threads that may be incorporated into the current curriculum to fill the identified gaps. Methods: The foundation of this project was the Essentials of Genetic and Genomic Nursing: Competencies, Curricula Guidelines, and Outcome Indicators, 2nd Edition (Consensus Panel on Genetic/Genomic Nursing Competencies, 2008). A strategic plan was created to increase …
A Research Agenda To Support The Development And Implementation Of Genomics-Based Clinical Informatics Tools And Resources., Ken Wiley, Laura Findley, Madison Goldrich, Tejinder K Rakhra-Burris, Ana Stevens, Pamela Williams, Carol J Bult, Rex Chisholm, Patricia Deverka, Geoffrey S Ginsburg, Eric D Green, Gail Jarvik, George A Mensah, Erin Ramos, Mary V Relling, Dan M Roden, Robb Rowley, Gil Alterovitz, Samuel Aronson, Lisa Bastarache, James J Cimino, Erin L Crowgey, Guilherme Del Fiol, Robert R Freimuth, Mark A Hoffman, Janina Jeff, Kevin Johnson, Kensaku Kawamoto, Subha Madhavan, Eneida A Mendonca, Lucila Ohno-Machado, Siddharth Pratap, Casey Overby Taylor, Marylyn D Ritchie, Nephi Walton, Chunhua Weng, Teresa Zayas-Cabán, Teri A Manolio, Marc S Williams
A Research Agenda To Support The Development And Implementation Of Genomics-Based Clinical Informatics Tools And Resources., Ken Wiley, Laura Findley, Madison Goldrich, Tejinder K Rakhra-Burris, Ana Stevens, Pamela Williams, Carol J Bult, Rex Chisholm, Patricia Deverka, Geoffrey S Ginsburg, Eric D Green, Gail Jarvik, George A Mensah, Erin Ramos, Mary V Relling, Dan M Roden, Robb Rowley, Gil Alterovitz, Samuel Aronson, Lisa Bastarache, James J Cimino, Erin L Crowgey, Guilherme Del Fiol, Robert R Freimuth, Mark A Hoffman, Janina Jeff, Kevin Johnson, Kensaku Kawamoto, Subha Madhavan, Eneida A Mendonca, Lucila Ohno-Machado, Siddharth Pratap, Casey Overby Taylor, Marylyn D Ritchie, Nephi Walton, Chunhua Weng, Teresa Zayas-Cabán, Teri A Manolio, Marc S Williams
Faculty Research 2022
OBJECTIVE: The Genomic Medicine Working Group of the National Advisory Council for Human Genome Research virtually hosted its 13th genomic medicine meeting titled "Developing a Clinical Genomic Informatics Research Agenda". The meeting's goal was to articulate a research strategy to develop Genomics-based Clinical Informatics Tools and Resources (GCIT) to improve the detection, treatment, and reporting of genetic disorders in clinical settings.
MATERIALS AND METHODS: Experts from government agencies, the private sector, and academia in genomic medicine and clinical informatics were invited to address the meeting's goals. Invitees were also asked to complete a survey to assess important considerations needed to …
The Rd-Connect Genome-Phenome Analysis Platform: Accelerating Diagnosis, Research, And Gene Discovery For Rare Diseases., Steven Laurie, Davide Piscia, Leslie Matalonga, Alberto Corvó, Marcos Fernández-Callejo, Carles Garcia-Linares, Carles Hernandez-Ferrer, Cristina Luengo, Inés Martínez, Anastasios Papakonstantinou, Daniel Picó-Amador, Joan Protasio, Rachel Thompson, Raul Tonda, Mònica Bayés, Gemma Bullich, Jordi Camps-Puchadas, Ida Paramonov, Jean-Rémi Trotta, Angel Alonso, Marcella Attimonelli, Christophe Béroud, Virginie Bros-Facer, Orion J Buske, Andrés Cañada-Pallarés, José M Fernández, Mats G Hansson, Rita Horvath, Julius O B Jacobsen, Rajaram Kaliyaperumal, Séverine Lair-Préterre, Luana Licata, Pedro Lopes, Estrella López-Martín, Deborah Mascalzoni, Lucia Monaco, Luis A Pérez-Jurado, Manuel Posada De La Paz, Jordi Rambla, Ana Rath, Olaf Riess, Peter N Robinson, David Salgado, Damian Smedley, Dylan Spalding, Peter A C 'T Hoen, Ana Töpf, Irina Zaharieva, Holm Graessner, Ivo G Gut, Hanns Lochmüller, Sergi Beltran
The Rd-Connect Genome-Phenome Analysis Platform: Accelerating Diagnosis, Research, And Gene Discovery For Rare Diseases., Steven Laurie, Davide Piscia, Leslie Matalonga, Alberto Corvó, Marcos Fernández-Callejo, Carles Garcia-Linares, Carles Hernandez-Ferrer, Cristina Luengo, Inés Martínez, Anastasios Papakonstantinou, Daniel Picó-Amador, Joan Protasio, Rachel Thompson, Raul Tonda, Mònica Bayés, Gemma Bullich, Jordi Camps-Puchadas, Ida Paramonov, Jean-Rémi Trotta, Angel Alonso, Marcella Attimonelli, Christophe Béroud, Virginie Bros-Facer, Orion J Buske, Andrés Cañada-Pallarés, José M Fernández, Mats G Hansson, Rita Horvath, Julius O B Jacobsen, Rajaram Kaliyaperumal, Séverine Lair-Préterre, Luana Licata, Pedro Lopes, Estrella López-Martín, Deborah Mascalzoni, Lucia Monaco, Luis A Pérez-Jurado, Manuel Posada De La Paz, Jordi Rambla, Ana Rath, Olaf Riess, Peter N Robinson, David Salgado, Damian Smedley, Dylan Spalding, Peter A C 'T Hoen, Ana Töpf, Irina Zaharieva, Holm Graessner, Ivo G Gut, Hanns Lochmüller, Sergi Beltran
Faculty Research 2022
Rare disease patients are more likely to receive a rapid molecular diagnosis nowadays thanks to the wide adoption of next-generation sequencing. However, many cases remain undiagnosed even after exome or genome analysis, because the methods used missed the molecular cause in a known gene, or a novel causative gene could not be identified and/or confirmed. To address these challenges, the RD-Connect Genome-Phenome Analysis Platform (GPAP) facilitates the collation, discovery, sharing, and analysis of standardized genome-phenome data within a collaborative environment. Authorized clinicians and researchers submit pseudonymised phenotypic profiles encoded using the Human Phenotype Ontology, and raw genomic data which is …
Recurrent Inversion Polymorphisms In Humans Associate With Genetic Instability And Genomic Disorders., David Porubsky, Wolfram Höps, Hufsah Ashraf, Pinghsun Hsieh, Bernardo Rodriguez-Martin, Feyza Yilmaz, Jana Ebler, Pille Hallast, Flavia Angela Maria Maggiolini, William T Harvey, Barbara Henning, Peter A Audano, David S Gordon, Peter Ebert, Patrick Hasenfeld, Eva Benito, Qihui Zhu, Charles Lee, Francesca Antonacci, Matthias Steinrücken, Christine R Beck, Ashley D Sanders, Tobias Marschall, Evan E Eichler, Jan O Korbel
Recurrent Inversion Polymorphisms In Humans Associate With Genetic Instability And Genomic Disorders., David Porubsky, Wolfram Höps, Hufsah Ashraf, Pinghsun Hsieh, Bernardo Rodriguez-Martin, Feyza Yilmaz, Jana Ebler, Pille Hallast, Flavia Angela Maria Maggiolini, William T Harvey, Barbara Henning, Peter A Audano, David S Gordon, Peter Ebert, Patrick Hasenfeld, Eva Benito, Qihui Zhu, Charles Lee, Francesca Antonacci, Matthias Steinrücken, Christine R Beck, Ashley D Sanders, Tobias Marschall, Evan E Eichler, Jan O Korbel
Faculty Research 2022
Unlike copy number variants (CNVs), inversions remain an underexplored genetic variation class. By integrating multiple genomic technologies, we discover 729 inversions in 41 human genomes. Approximately 85% of inversionsretrotransposition; 80% of the larger inversions are balanced and affect twice as many nucleotides as CNVs. Balanced inversions show an excess of common variants, and 72% are flanked by segmental duplications (SDs) or retrotransposons. Since flanking repeats promote non-allelic homologous recombination, we developed complementary approaches to identify recurrent inversion formation. We describe 40 recurrent inversions encompassing 0.6% of the genome, showing inversion rates up to 2.7 × 10
Combining Genomic And Epidemiological Data To Compare The Transmissibility Of Sars-Cov-2 Variants Alpha And Iota., Mary E Petrone, Jessica E Rothman, Mallery I Breban, Isabel M Ott, Alexis Russell, Erica Lasek-Nesselquist, Hamada Badr, Kevin Kelly, Gregory Omerza, Nicholas Renzette, Anne E Watkins, Chaney C Kalinich, Tara Alpert, Anderson F Brito, Rebecca Earnest, Irina R Tikhonova, Christopher Castaldi, John P Kelly, Matthew Shudt, Jonathan Plitnick, Erasmus Schneider, Steven Murphy, Caleb Neal, Eva Laszlo, Ahmad Altajar, Claire Pearson, Anthony Muyombwe, Randy Downing, Jafar Razeq, Linda Niccolai, Madeline S Wilson, Margaret L Anderson, Jianhui Wang, Chen Liu, Pei Hui, Shrikant Mane, Bradford P Taylor, William P Hanage, Marie L Landry, David R Peaper, Kaya Bilguvar, Joseph R Fauver, Chantal B F Vogels, Lauren M Gardner, Virginia E Pitzer, Kirsten St George, Mark D Adams, Nathan D Grubaugh
Combining Genomic And Epidemiological Data To Compare The Transmissibility Of Sars-Cov-2 Variants Alpha And Iota., Mary E Petrone, Jessica E Rothman, Mallery I Breban, Isabel M Ott, Alexis Russell, Erica Lasek-Nesselquist, Hamada Badr, Kevin Kelly, Gregory Omerza, Nicholas Renzette, Anne E Watkins, Chaney C Kalinich, Tara Alpert, Anderson F Brito, Rebecca Earnest, Irina R Tikhonova, Christopher Castaldi, John P Kelly, Matthew Shudt, Jonathan Plitnick, Erasmus Schneider, Steven Murphy, Caleb Neal, Eva Laszlo, Ahmad Altajar, Claire Pearson, Anthony Muyombwe, Randy Downing, Jafar Razeq, Linda Niccolai, Madeline S Wilson, Margaret L Anderson, Jianhui Wang, Chen Liu, Pei Hui, Shrikant Mane, Bradford P Taylor, William P Hanage, Marie L Landry, David R Peaper, Kaya Bilguvar, Joseph R Fauver, Chantal B F Vogels, Lauren M Gardner, Virginia E Pitzer, Kirsten St George, Mark D Adams, Nathan D Grubaugh
Faculty Research 2022
SARS-CoV-2 variants shaped the second year of the COVID-19 pandemic and the discourse around effective control measures. Evaluating the threat posed by a new variant is essential for adapting response efforts when community transmission is detected. In this study, we compare the dynamics of two variants, Alpha and Iota, by integrating genomic surveillance data to estimate the effective reproduction number (Rt) of the variants. We use Connecticut, United States, in which Alpha and Iota co-circulated in 2021. We find that the Rt of these variants were up to 50% larger than that of other variants. We then …
Clock-Linked Genes Underlie Seasonal Migratory Timing In A Diurnal Raptor, Christen M. Bossu, Julie A. Heath, Gregory S. Kaltenecker, Barbara Helm, Kristen C. Ruegg
Clock-Linked Genes Underlie Seasonal Migratory Timing In A Diurnal Raptor, Christen M. Bossu, Julie A. Heath, Gregory S. Kaltenecker, Barbara Helm, Kristen C. Ruegg
Biology Faculty Publications and Presentations
Seasonal migration is a dynamic natural phenomenon that allows organisms to exploit favourable habitats across the annual cycle. While the morphological, physiological and behavioural changes associated with migratory behaviour are well characterized, the genetic basis of migration and its link to endogenous biological time-keeping pathways are poorly understood. Historically, genome-wide research has focused on genes of large effect, whereas many genes of small effect may work together to regulate complex traits like migratory behaviour. Here, we explicitly relax stringent outlier detection thresholds and, as a result, discover how multiple biological time-keeping genes are important to migratory timing in an iconic …
Mechanisms By Which Xenorhabdus Nematophila Interacts With Hosts Using Integrated -Omics Approaches, Nicholas C. Mucci
Mechanisms By Which Xenorhabdus Nematophila Interacts With Hosts Using Integrated -Omics Approaches, Nicholas C. Mucci
Doctoral Dissertations
Nearly all organisms exist in proximity to microbes. These microbes perform most of the essential metabolic processes necessary for homeostasis, forming the nearly hidden support system of Earth. Microbial symbiosis, which is defined as the long-term physical association between host and microbes, relies on communication between the microbial community and their host organism. These interactions among higher order organisms (such as animals, plants, and fungi) and their bacteria links metabolic processes between interkingdom consortia. Many questions on microbial behavior within a host remain poorly understood, such as the colonization efficiency among different microbial species, or how environmental context changes their …
Halodash: The Deep And Shallow History Of Aquatic Life's Passages Between Marine And Freshwater Habitats, Eric T. Schultz, Lisa Park Boush
Halodash: The Deep And Shallow History Of Aquatic Life's Passages Between Marine And Freshwater Habitats, Eric T. Schultz, Lisa Park Boush
EEB Articles
This series of papers highlights research into how biological exchanges between salty and freshwater habitats have transformed the biosphere. Life in the ocean and in freshwaters have long been intertwined; multiple major branches of the tree of life originated in the oceans and then adapted to and diversified in freshwaters. Similar exchanges continue to this day, including some species that continually migrate between marine and fresh waters. The series addresses key themes of transitions, transformations, and current threats with a series of questions: When did major colonizations of fresh waters happen? What physiographic changes facilitated transitions? What organismal characteristics facilitate …