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Articles 1 - 7 of 7
Full-Text Articles in Plant Breeding and Genetics
Machine Learning And Rna Bioinformatics, Jason Rafe Miller
Machine Learning And Rna Bioinformatics, Jason Rafe Miller
Graduate Theses, Dissertations, and Problem Reports (ETD)
The applied science of bioinformatics encompasses computational analysis of molecular biology data. Advances in genomics and DNA sequencing technology have enabled computational analysis of ribonucleic acids (RNAs), which play diverse and critical roles in most cells. To assist the study of human RNA, we trained machine learning models on RNA nucleotide sequences, devoid of domain knowledge. We built models that distinguish long non-coding lncRNA from protein-coding mRNA, and models that predict the cytoplasmic vs. nuclear preferences of lncRNAs. In a review of published lncRNA subcellular localization classifiers, we show that the commonly used validation protocol generates optimistic performance measures, and …
Getting To The Root Cause: The Genetic Underpinnings Of Root System Architecture And Rhizodeposition In Sorghum, Farren Smith
Getting To The Root Cause: The Genetic Underpinnings Of Root System Architecture And Rhizodeposition In Sorghum, Farren Smith
Graduate Theses, Dissertations, and Problem Reports (ETD)
Plants are some of the most diverse organisms on earth, consisting of more than 350,000 different species. To understand the underlying processes that contributed to plant diversification, it is fundamental to identify the genetic and genomic components that facilitated various adaptations over evolutionary history. Most studies to date have focused on the underlying controls of above-ground traits such as grain and vegetation; however, little is known about the “hidden half” of plants. Root systems comprise half of the total plant structure and provide vital functions such as anchorage, resource acquisition, and storage of energy reserves. The execution of these key …
Traditional And Modern Breeding Strategies Towards Developing Resilient Crops: Two Case Studies In Tomato, Estefania Tavares Flores
Traditional And Modern Breeding Strategies Towards Developing Resilient Crops: Two Case Studies In Tomato, Estefania Tavares Flores
Graduate Theses, Dissertations, and Problem Reports (ETD)
Crop designing for resilience traits to produce satisfactorily under adverse conditions and scenarios is a priority for the future of global food security. In this thesis, two different approaches addressing major stress factors for tomato cropping are presented. We first aimed to domesticate tomato de novo as a high-salinity resistant crop using the wild relative, S. cheesmaniae via gene editing. We conducted single-gene and multiplex knock-out strategies using CRISPR/Cas9 genome editing to create loss-of-function alleles for the domestication-related genes BIF, CycB, J2, EJ2, MULTI, SP, SP5G, and FW11.3 in order to create a novel, halophyte tomato harboring an inherent high-salinity …
The Morphological, Physiological, And Genetic Underpinnings Of Intraspecific Salinity Tolerance In Sorghum Bicolor, Ashley N. Henderson
The Morphological, Physiological, And Genetic Underpinnings Of Intraspecific Salinity Tolerance In Sorghum Bicolor, Ashley N. Henderson
Graduate Theses, Dissertations, and Problem Reports (ETD)
Decreases in land quality and quantity threaten the efficient production of agriculturally and economically pivotal crops. Such reductions in arable lands are a consequence of population growth and urbanization, and often result in the introduction of various abiotic stresses. The most common abiotic stressors include water limitation (drought), water logging (over watering), poor water quality (salinity), and extreme temperatures (cold, frost, heat). Each of these stressors negatively impact plant growth, development, and yield. Soil salinity, specifically, is a considerable constraint affecting lands used in agriculture. Salts in the soil rise both naturally and through anthropogenic factors making the abundance a …
Genetic Regulation Of The Elicitation Of Glyceollin Biosynthesis In Soybean, Md. Asraful Jahan
Genetic Regulation Of The Elicitation Of Glyceollin Biosynthesis In Soybean, Md. Asraful Jahan
Graduate Theses, Dissertations, and Problem Reports (ETD)
Glyceollin phytoalexins are the pathogen-elicited defense metabolites that belong to the isoflavonoid family of molecules of soybean (Glycine max L. Merr). Phytophthora root and stem rot of soybean caused by Phytophthora sojae is a destructive disease throughout the soybean-growing regions worldwide causing devastating economic damages (globally $1-2 billion and over $250 million in the USA) every year. Engineering soybean plants that produce higher levels of glyceollins could confer resistance against this pathogen. Glyceollins also show anticancer and neuroprotective activities in mammals, therefore they are important for agriculture and medical research. Firstly, we were interested in understanding how biotic and …
Multivariate Analysis Of The Cotton Seed Ionome Reveals A Shared Genetic Architecture, Duke Pauli, Greg Ziegler, Min Ren, Matthew A. Jenks, Douglas J. Hunsaker, Min Zhang, Ivan Baxter, Michael A. Gore
Multivariate Analysis Of The Cotton Seed Ionome Reveals A Shared Genetic Architecture, Duke Pauli, Greg Ziegler, Min Ren, Matthew A. Jenks, Douglas J. Hunsaker, Min Zhang, Ivan Baxter, Michael A. Gore
Faculty & Staff Scholarship
To mitigate the effects of heat and drought stress, a better understanding of the genetic control of physiological responses to these environmental conditions is needed. To this end, we evaluated an upland cotton (Gossypium hirsutum L.) mapping population under water-limited and well-watered con- ditions in a hot, arid environment. The elemental concentrations (ionome) of seed samples from the pop- ulation were profiled in addition to those of soil samples taken from throughout the field site to better model environmental variation. The elements profiled in seeds exhibited moderate to high heritabilities, as well as strong phenotypic and genotypic correlations between elements …
Morphological, Genetic And Biochemical Characterization Of The Anti-Malarial Herb, Artemisia Annua Germplasm Collection At West Virginia University, Delini K. Samarasinghe
Morphological, Genetic And Biochemical Characterization Of The Anti-Malarial Herb, Artemisia Annua Germplasm Collection At West Virginia University, Delini K. Samarasinghe
Graduate Theses, Dissertations, and Problem Reports (ETD)
Malaria is one of the deadliest diseases in human history. Nearly half of the world’s population, is at the risk in 106 countries. Only in 2016, this disease killed about 445,000 people, 72% of them being children under age five. It also accounts for US $12 billion dollars of direct costs in Africa alone. Five different species of Plasmodium cause malaria but P. falciparum is the most detrimental one, causing 50% of all malaria cases and is considered as the deadliest parasite in humans. Artemisinin (ART), a 15 C sesquiterpenoid is currently the only precursor to the most effective anti-malarial …