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Articles 301 - 330 of 497
Full-Text Articles in Animal Sciences
Evaluation Of Downy Mildew (Peronospora Farinosa F.Sp. Chenopodii) Resistance Among Quinoa Genotypes And Investigation Of P. Farinosa Growth Using Scanning Electron Microscopy, Leilani Kitz
Theses and Dissertations
Quinoa (Chenopodium quinoa Willd.) is a pseudocereal native to the Andean region of South America and a staple crop for subsistence farmers in the altiplano of Bolivia and Peru. Downy mildew is the most significant disease of quinoa caused by the pathogen Peronospora farinosa f.sp. chenopodii Byford. This disease greatly impacts quinoa crops with yield losses up to 99%. As fungicides are expensive for farmers, the development of resistant cultivars appears to be the most efficient means for controlling downy mildew. The quinoa germplasm bank contains high amounts of genetic diversity, some of which exhibit mildew resistance. Methods for evaluating …
Studies On Transformation Of Tomato(Solanum Lycopersicum L.) And Arabidopsis Thaliana Using Chimerical Constructs Of Varying Tospoviral Origin, Joshua Nathaniel Cobb
Studies On Transformation Of Tomato(Solanum Lycopersicum L.) And Arabidopsis Thaliana Using Chimerical Constructs Of Varying Tospoviral Origin, Joshua Nathaniel Cobb
Theses and Dissertations
Pathogen derived resistance (PDR) is a recent breakthrough where plant hosts can be made to be resistant to viral infections through transformation with conserved viral genes. Given the severity of Tospovirus diseases worldwide (particularly in tomato), PDR has the potential to garner large yield returns where pathogen populations have overcome the established resistance. Tomato breeding lines FLA7804, FLA8044, and the research line MP1 were used in transformation experiments with potions of the Tomato spotted wilt virus (TSWV) N-gene, and two other chimerical viral nucleocapsid gene constructs from, Impatiens necrotic spot virus (INSV), and Groundnut ringspot virus (GRSV). We conducted 19 …
Comparative Cytotoxicity Of An Fda-Approved Cancer Drug To Extracts Of Atriplex Confertifolia On Human Breast And Cervical Cancer Cells, Christopher James Capua
Comparative Cytotoxicity Of An Fda-Approved Cancer Drug To Extracts Of Atriplex Confertifolia On Human Breast And Cervical Cancer Cells, Christopher James Capua
Theses and Dissertations
The severity and number of people affected by cancer is a worldwide problem with millions of people affected annually. The search for treatment and cures of cancer continues to be a global effort. As part of this global effort, many natural products have been tested against cancer cell lines, most from plants located in tropical regions. However, this study reports that extracts of Atriplex confertifolia, a native North American plant, has significant bioactivity against human breast cancer cell lines MCF-7, 435, and 231, and HeLa cells (cervical cancer cells). The bioactivity of A. confertifolia extracts of these cells lines was …
Competitive Exclusion Of Cyanobacterial Species In The Great Salt Lake, Hillary Christine Roney
Competitive Exclusion Of Cyanobacterial Species In The Great Salt Lake, Hillary Christine Roney
Theses and Dissertations
Under Gause's principle two species cannot indefinitely occupy the same niche. The north and south arms of Great Salt Lake are separated by a rail causeway, resulting in salinity differences and color variation between the arms. Farmington Bay is also separated from the south arm by a vehicular causeway to Antelope Island. These causeways allow examination of competitive exclusion of cyanobacteria in the hypersaline environment of the Great Salt Lake. Cyanobacterial distributions partially map salinity, with Aphanothece halophytica proliferating in the north arm, and Nodularia spumigena in the south arm. I hypothesized that cyanobacterial species abundant north of the railway …
Using A Chelator-Buffered Nutrient System To Study Phosphorus, Manganese And Zinc Interactions In Russet Burbank Potato, Steven A. Barben
Using A Chelator-Buffered Nutrient System To Study Phosphorus, Manganese And Zinc Interactions In Russet Burbank Potato, Steven A. Barben
Theses and Dissertations
Potato production requires high phosphorus (P) application with potential negative environmental or nutritional consequences for potato as well as for subsequent crops. Impacts of high available P on yield and plant nutrition of species in potato cropping rotations are inadequately understood, and could result in antagonistic interactions with cationic micronutrients such as zinc (Zn) and manganese (Mn). Three hydroponic experiments were conducted with Russet Burbank potato to elucidate P and Zn relationships and associated interactions with other nutrients. In the first experiment, P solution concentration was constant at 256 µM while Zn concentration varied: 0.1, 2, 6, 18, 54, 162 …
Effect Of Ca And Ph On Disease Severity Of Pink Rot Phytophthora Erythroseptica In Russett Norkotah Potato Solanum Tuberosum, Jared H. Benson
Effect Of Ca And Ph On Disease Severity Of Pink Rot Phytophthora Erythroseptica In Russett Norkotah Potato Solanum Tuberosum, Jared H. Benson
Theses and Dissertations
Phytophthora erythroseptica Pethyb. is a devastating fungal pathogen of potato (Solanum tuberosum). The pathogen causes a disease known as pink rot. Pink rot results in necrosis and decay of tubers; and is responsible for major losses pre and post harvest. Attributes of the disease are progressing toward epidemic proportions. To help prevent such dramatic outbreaks of the disease, understanding the factors associated with incidence will provide opportunities to control the pathogen. A link between pH and disease severity has been observed. We studied the effects of pH and Ca to determine their influence on disease development. Low pH and Ca …
Pygmy Rabbit (Brachylagus Idahoensis) Habitat Use, Activity Patterns And Conservation In Relationship To Habitat Treatments, Janet E. Lee
Pygmy Rabbit (Brachylagus Idahoensis) Habitat Use, Activity Patterns And Conservation In Relationship To Habitat Treatments, Janet E. Lee
Theses and Dissertations
This study examined activity patterns and habitat use of pygmy rabbits (Brachylagus idahoensis) in mechanically treated and untreated areas in south-central Utah 2005-2008. We monitored fecal pellet plots in continuous sagebrush habitat as well as along treatment edges to record deposition and leporid presence over timed periods. Pygmy rabbit use of big sagebrush was higher than black-tailed jackrabbits (Lepus californicus) and mountain cottontail rabbits (Sylvilagus nuttallii ) (P< 0.01) relative to treated areas (P <0.01). We also compared pygmy rabbit use of areas with continuous sagebrush to residual sagebrush in a sample of mechanically treated areas. Our results suggest a treatment effect with higher (P <0.01) average counts of pygmy rabbit pellets in areas with continuous sagebrush compared to sagebrush strips and islands within treated areas. Before the big sagebrush biotype inhabited by pygmy rabbits is treated to reduce the occurrence and dominance of big sagebrush, we recommend managers consider two options. The first is no treatment, thus preserving, as is, the critical habitat of the pygmy rabbit and other sympatric big sagebrush obligate species of wildlife. The second option cautiously introduces the first prescription of habitat treatment ever recommended in relationship to the pygmy rabbit. This prescription includes recommended widths of the treated areas, seed mixes, widths of the preserved intact big sagebrush habitat for pygmy rabbits as well as suggested grazing systems for domestic livestock. Activity patterns of pygmy rabbits at their burrow were documented through the use of remote cameras. Photographs were analyzed for temporal and seasonal patterns of activity. Our results suggested that time of day was important in the activity level of pygmy rabbits while season was not. Pygmy rabbits were active during all time periods of the day but the greatest levels of activity occurred at night. Numerous other wildlife species were recorded by our remote cameras including other species of leporids, birds, rodents, reptiles and terrestrial predators.
The Maya Footprint: Soil Resources Of Chunchucmil, Yucatan, Mexico, Ryan V. Sweetwood
The Maya Footprint: Soil Resources Of Chunchucmil, Yucatan, Mexico, Ryan V. Sweetwood
Theses and Dissertations
Agricultural yields in Northwest Yucatán are constrained by climate, thin soils, and low fertility. Despite this, the ancient Maya city of Chunchucmil Yucatán, Mexico, boasted an immense, dense, and wealthy population during the Middle Classic period (ca A.D. 400-700). Soil physical and chemical properties were explored to determine how the ancient Maya of Chunchucmil fed themselves. Soil profiles were collected from various locations within ancient Chunchucmil's suspected sustaining area. The physical and chemical properties, carbon isotopes, black carbon, and coprostanols of soil profiles sampled were compared to ancient rural settlement and remotely sensed images, such as AIRSAR (airborne synthetic aperture …
Effect Of Food Deprivation On The Metabolic Profile Of Llamas (Lama Glama) In The Letanias Experimental Station - Viacha, Edwin Eddy Ali Quisbert
Effect Of Food Deprivation On The Metabolic Profile Of Llamas (Lama Glama) In The Letanias Experimental Station - Viacha, Edwin Eddy Ali Quisbert
Theses and Dissertations
In the highlands, where regular agriculture and livestock are not viable, raising camelids is the only means of subsistence for rural families. While grazing during the dry season in the high Andean region, llamas face serious nutritional deficiencies due to limited forage availability. This study was done at the experimental station of the Benson Agriculture and Food Institute located in the community of Letanias which is in the municipality of Viacha. The objective was to determine the effect of food deprivation on the metabolic profile of blood plasma (concentration of urea-nitrogen, total protein, albumin, and creatinine) as well as the …
Effect Of Three Cryoconservation Diluents On Sperm Motility And Vitality In The Ejaculate Of Bulbourethal-Ectomized Llamas (Lama Glama), Department Of La Paz, Edwin Eddy Maceda Tintaya
Effect Of Three Cryoconservation Diluents On Sperm Motility And Vitality In The Ejaculate Of Bulbourethal-Ectomized Llamas (Lama Glama), Department Of La Paz, Edwin Eddy Maceda Tintaya
Theses and Dissertations
The purpose of this study was to evaluate the effects of three different diluents used during the cryopreservation process on the motility and vitality of sperm cells. The three diluters used in this study were: A) trice-serum-egg yolk-glycerin, B) serum-egg yolk-glycerin, and C) Dulbecco’s serum-egg-yolk- glycerin. Diluters were tested in proportions of 64-15-15-6% (N1), 54-20-20-6% (N2), and 44-35-15-6% (N3). Llama semen was collected at the Mejoramiento Genético y Diagnóstico Clínico Del Servicio Agropecuario (SEDAG) in the Los Andes Province of the Department of La Paz. The procedure took place at the Unidad Académica Campesina de Tiahuanaco by a direct optimized …
Calcium Dynamics Affecting Egg Production, Skeletal Integrity, And Egg Coloration In Ring-Necked Pheasants (Phasianus Colchicus), Landon R. Jones
Calcium Dynamics Affecting Egg Production, Skeletal Integrity, And Egg Coloration In Ring-Necked Pheasants (Phasianus Colchicus), Landon R. Jones
Theses and Dissertations
These 4 chapters represent manuscripts formatted for submission to journals based on an experiment conducted on Ring-necked Pheasants (Phasianus colchicus). Calcium limits the distribution of this species, which produces 7-15 eggs per clutch. They may renest up to 5 times per breeding season on a diet low in calcium. The first chapter examines egg production in laying hens on 7 different diets from 0.19-4.47% calcium in the absence of calcium loading. Calcium-loaded pheasants store calcium in medullary bone before an experiment and can draw on this surplus during egg production, possibly skewing experimental results. We measured egg production, egg characteristics, …
A Study Of Habitat Variables Associated With Northern Goshawk Nest Site Activity On The Three National Forests In Southern Utah, Keeli Shea Marvel
A Study Of Habitat Variables Associated With Northern Goshawk Nest Site Activity On The Three National Forests In Southern Utah, Keeli Shea Marvel
Theses and Dissertations
The Northern Goshawk has been a species of concern since its decline in the early 1990s, which has been attributed in part to loss of critical breeding and wintering habitat. Nest site selection of goshawks has been correlated with certain specific site characteristics including, but not limited to, forest species composition, forest stand size, diameter of nest tree, percent cover, tree height, site slope, and aspect. The goshawk holds the status of a Management Indicator Species (MIS) on all of the six national forests in Utah. This status requires annual monitoring to track goshawk numbers and to address any activities …
Beneficial Fungal Interactions Resulting In Accelerated Germination Of Astragalus Utahensis, A Hard-Seeded Legume, Sean D. Eldredge
Beneficial Fungal Interactions Resulting In Accelerated Germination Of Astragalus Utahensis, A Hard-Seeded Legume, Sean D. Eldredge
Theses and Dissertations
Seed germination is pivotal in the life cycle of native plants in a restorative context because initiation of the metabolic processes critical to establishment is key to survival in such a competitive environment. Dormancy characteristics of some native plants including the subject species, Astragalus utahensis, have evolved mechanisms to control germination in order to maintain a seed bank and ensure germination at the right time under optimal conditions. In vitro germination studies confirm beneficial interactions between Alternaria and Aspergillus fungi and Astragalus utahensis seed. Inoculated seed trials (1.0 x 106 spores/mL) exhibited a highly significant difference in percent germination between …
Trapping, Survival, And Probable Causes Of Mortality Of Chukar Partridge, Aaron Clark Robinson
Trapping, Survival, And Probable Causes Of Mortality Of Chukar Partridge, Aaron Clark Robinson
Theses and Dissertations
We present an efficient and effective method for trapping chukars (Alectoris chukar) on artificial water sources. We compared a B-trap, a prairie chicken (Tympanuchus cupido) walk-in trap, a modified quail recall trap, and a newly designed Utah walk-in-funnel trap. Our Utah funnel trap outperformed standard techniques by more than 65%, and exceeded previous published results by 35%. Use of this method allows researchers and managers the ability to capture large numbers of Chukars relatively efficiently. With appropriate modifications this design is applicable for capturing a variety of bird species using small water developments. Chukars (Alectoris chukar) have been introduced throughout …
The Ecology Of Translocated Greater Sage-Grouse In Strawberry Valley, Utah, Rick Joseph Baxter
The Ecology Of Translocated Greater Sage-Grouse In Strawberry Valley, Utah, Rick Joseph Baxter
Theses and Dissertations
Manuscript No. 1 Translocations of greater sage-grouse (Centrocercus urophasianus) have been attempted in 7 states and one Canadian province with very little success. To recover a small remnant population and test the efficacy of sage-grouse translocations, we captured and transported 137 adult female sage-grouse from 2 source populations to a release site in Strawberry Valley, Utah during March-April 2003-2005. The resident population of sage-grouse in Strawberry Valley was approximately 150 breeding birds prior to the release. We radiomarked each female and documented survival, movements, reproductive effort, flocking with resident grouse, and lek attendance. We used Program MARK to calculate annual …
Cloning And Characterization Of The Salt Overly Sensitive 1 (Sos1) Gene In Chenopodium Quinoa Willd., Taylor Brian Turner
Cloning And Characterization Of The Salt Overly Sensitive 1 (Sos1) Gene In Chenopodium Quinoa Willd., Taylor Brian Turner
Theses and Dissertations
Salt tolerance is a commercially important trait that affects plant species around the globe. Cellular response to saline environments is a well studied but complex system that is far from being completely understood. The SALT OVERLY SENSITIVE 1 (SOS1) gene is a critical component of salt tolerance in many species, encoding a plasma membrane Na+/H+ antiporter that plays an important role in germination and growth in saline environments. Here we report a preliminary investigation of salt tolerance in quinoa (Chenopodium quinoa Willd.). Quinoa is a halophytic grain crop of the Chenopodiaceae family with impressive nutritional content and an increasing world-wide …
Development And Characterization Of Microsatellite Markers For The Grain Amaranths (Amaranthus Spp. L.), Melanie Ann Mallory
Development And Characterization Of Microsatellite Markers For The Grain Amaranths (Amaranthus Spp. L.), Melanie Ann Mallory
Theses and Dissertations
The grain amaranths (Amaranthus hypochondriacus L., A. cruentus L., and A. caudatus L.) are important pseudocereals native to the Americas that have received increased attention for their nutritional content, specifically their balance of amino acids. The objective of this project was to produce and characterize a set of highly informative, reproducible microsatellite markers for the grain amaranths. A total of 1457 clones were sequenced from three genomic libraries enriched for the microsatellite motifs AAC, AAT and AC. Of these, 353 (24%) contained unique microsatellites. An additional 29 microsatellite loci were identified among 728 BAC-end sequences of a newly developed amaranth …
The Prolamins Of Pearl Millet, Christian B. Ricks
The Prolamins Of Pearl Millet, Christian B. Ricks
Theses and Dissertations
Although work on the prolamins of pearl millet (Pennisetum glaucum) has revealed partial amino acid sequences for several alcohol-soluble storage proteins (Marcellino et al. 2002) the genes encoding them have not yet been isolated. We constructed a cDNA library from developing P. glaucum seed tissue and screened it using maize zein gene probes to isolate several α-prolamin-like gene sequences. The proteins encoded by these genes generally fall into two size classes: 20.6kD and 27.1kD, which we call the 21kD and 27kD pennisetins. Both proteins are similar in composition and sequence to α-prolamins from maize, sorghum and Coix. Protein bodies that …
Analyses Of Greater Sage-Grouse (Centrocercus Urophasianus) Translocation Release Methods And Chick Survival In Strawberry Valley, Utah, Jordan P. Hennefer
Analyses Of Greater Sage-Grouse (Centrocercus Urophasianus) Translocation Release Methods And Chick Survival In Strawberry Valley, Utah, Jordan P. Hennefer
Theses and Dissertations
Manuscript No. 1 Recent research has indicated that low nest success and juvenile survival of Greater Sage-Grouse may be responsible for population declines. Recent technological advances in micro-transmitters have made radio-telemetry studies on Sage-Grouse chicks more common. Radio-telemetry enables monitoring of individual chicks and broods during a critical period of their life history. The exact cause of low chick recruitment in Strawberry Valley has not been well understood. In 2006, a chick mortality study using micro-transmitters was initiated to (1) determine the causes of chick mortality, (2) calculate overall chick survival, (3) compare chick survival in the Strawberry Valley population …
Diluents For Cryopreservation Of Semen From Non-Woolly Llamas (Lama Glama), Franz Nicolas Bustos Fernández
Diluents For Cryopreservation Of Semen From Non-Woolly Llamas (Lama Glama), Franz Nicolas Bustos Fernández
Theses and Dissertations
The collection and preservation of llama semen is not a standardized procedure as it is in cattle. It has a number of complications that are mainly associated with the characteristics of the semen. In order to contribute to the knowledge of reproductive biology, we decided to evaluate the behavior of llama semen in relation to the different diluters in this study. This study was done at the National Germplasm Bank for Camelids which is part of the Ministry of Rural Development of Agriculture and Environment. The Ministry is located in the Agriculture Experiment Center of Condoriri which belongs to the …
Evaluation Of Hair Production In Angora Rabbits (Oryctolagus Cuniculus), Fed With Three Different Rations Of Reed In The Desaguadero Municipality - Department Of La Paz, Angel Sullca Mamani
Evaluation Of Hair Production In Angora Rabbits (Oryctolagus Cuniculus), Fed With Three Different Rations Of Reed In The Desaguadero Municipality - Department Of La Paz, Angel Sullca Mamani
Theses and Dissertations
This study was carried out in the Azafranal community of the Desaguadero municipality, which is in the Ingavi Province of the Department of La Paz. It was conducted at an altitude of 3350 meters above sea level at 16°20’00” south latitude and 69°00’00” west longitude. The study went from December 20, 2003 to June 20, 2004. Our objective was to evaluate hair production in angora rabbits (Oryctolagus cuniculus) fed with three different rations of reed. The experimental trial was done at the Angorita farm over a 135 day period that was divided into three smaller periods of 45 days. The …
Evaluation Of Vicuñas (Vicugna Vicugna) Fed With Three Types Of Hay In Stables In The Municipality Of Tiahuanaco, Department Of La Paz, José Cartagena Catacora
Evaluation Of Vicuñas (Vicugna Vicugna) Fed With Three Types Of Hay In Stables In The Municipality Of Tiahuanaco, Department Of La Paz, José Cartagena Catacora
Theses and Dissertations
This study was conducted in the Rural Academic Unit of Tiahuanaco, in the Ingavi province, in the department of La Paz. Three juvenile vicunas and three adult vicunas were used. Our objective was to observe the development of vicunas (Vicugna vicugna) fed with three types of hay (Bromus catharicus Phalaris tuberoisum and Medicago sativa) in stables. We obtained the following results: rectal temperature of 38.2ºC in juveniles and 38.6ºC in adults; heart rate of 68 beats/min in juveniles and 67 beats/min in adults; respiratory rate of 18 breaths/min in juveniles and 17 breaths/min in adults; femoral vein pulse of 70 …
Giant Pandas Balance Energy Budgets With Metabolic Depression: Insights From Radar Detection Of Heart Rates, Tommy Gene Finley
Giant Pandas Balance Energy Budgets With Metabolic Depression: Insights From Radar Detection Of Heart Rates, Tommy Gene Finley
Theses and Dissertations
Giant pandas ( Ailuropoda melanoleuca ) are flagship species for conservation because of their endangered status and charismatic nature. Giant pandas are placed in the bear family (Urisidae) within the order Carnivora. They specialize on a diet of bamboo, yet retain a typical carnivore gastrointestinal tract. Low energy digestive efficiency (9.5–34%) was calculated from bamboo-only digestibility trials conducted on captive giant pandas. Huge amounts of bamboo are consumed to overcome inefficient extraction and thus obtain sufficient energy and nutrients. I designed this study to gain insights into giant panda energy balance by measuring heart rates during sleep, their primary means …
Forage Adaptability Trials For Forage And Seed Production In Bolivia; Effect Of 5 Herbicides On 7 Native Utah Forbs, Joshua C. Voss
Forage Adaptability Trials For Forage And Seed Production In Bolivia; Effect Of 5 Herbicides On 7 Native Utah Forbs, Joshua C. Voss
Theses and Dissertations
The harsh environmental and poor economic conditions of the Bolivian Altiplano require intervention to assist many of those that live there to become economically self-sufficient. We attempted to find introduced dry season reserve forage grasses that could produce enough biomass to be useful as feed for livestock, and that could also produce enough seed to distribute to farmers. While some of the grasses produced reasonable amounts of biomass, none produced seed in quantities that would be even close to being economically viable. The most likely cause of this is that the timing of resources that the grasses need to flower …
Effects Of Cheatgrass Control On Wyoming Big Sagebrush In Southeastern Utah, Daniel Blaine Eddington
Effects Of Cheatgrass Control On Wyoming Big Sagebrush In Southeastern Utah, Daniel Blaine Eddington
Theses and Dissertations
Critical mule deer (Odocoileus hemionus) winter ranges in southeastern Utah dominated by Wyoming big sagebrush (Artemisia tridentata var. wyomingensis [Beetle and A. Young] Welsh) have developed dense cheatgrass (Bromus tectorum L.) understories. These communities are currently characterized by predominately mature to decadent stands of sagebrush with few perennial grasses and forbs. Sagebrush seedlings and perennial grasses compete for limited resources with annual grasses and forbs. To determine the affects of cheatgrass control on sagebrush growth and reproductive characteristics, imazapic (PLATEAU®, AC 263,222) herbicide was sprayed at 438.5 ml/ha with water and methylated seed oil during active fall growth of cheatgrass …
Predicting Maize Yield, Nutrient Concentration And Uptake In P And K Fertilized Soils: Pressurized Hot Water And Other Alternatives To Mehlich I Extraction In Guatemala Soils, Heather Mae Hunsaker
Predicting Maize Yield, Nutrient Concentration And Uptake In P And K Fertilized Soils: Pressurized Hot Water And Other Alternatives To Mehlich I Extraction In Guatemala Soils, Heather Mae Hunsaker
Theses and Dissertations
The inaccessibility and cost of soil testing reduce effectiveness of fertilizer use on small-scale subsistence farms, and inadequate funding promotes adoption of soil tests in developing countries with minimal validation. For example, Mehlich-I extraction of phosphorus (P) currently used extensively in Guatemala may not be suitable for its broad range of soils. At least four alternatives are available but are relatively untested [Bray 1, Mehlich III, Olsen and pressurized hot water (PHW)]. Pressurized hot water is relatively simple and inexpensive, but is not yet tested against other extraction methods under variable P or potassium (K) fertilization levels. To determine whether …
Identification, Sequencing, Expression And Evolutionary Relationships Of The 11s Seed Storage Protein Gene In Chenopodium Quinoa Willd., Marie Renee Barrett Balzotti
Identification, Sequencing, Expression And Evolutionary Relationships Of The 11s Seed Storage Protein Gene In Chenopodium Quinoa Willd., Marie Renee Barrett Balzotti
Theses and Dissertations
Quinoa (Chenopodium quinoa) is an Andean crop adapted to harsh environmental conditions and containing a high and well-balanced protein composition. Two seed storage proteins, the 2S albumin and 11S globulin, are the major amino acid reservoirs for the developing seedling. An in-depth study of the genes encoding these proteins is necessary to understand the source of quinoa's protein quality. Our objectives include identification and sequencing of the 11S genomic and cDNA clones, analysis of 11S expression profiles in different quinoa accessions and evaluation of evolutionary relationships between the sequence of the 11S gene in quinoa and homologous genes in other …
Simple Sequence Repeat Development, Polymorphism And Genetic Mapping In Quinoa (Chenopodium Quinoa Willd.), David Jarvis
Simple Sequence Repeat Development, Polymorphism And Genetic Mapping In Quinoa (Chenopodium Quinoa Willd.), David Jarvis
Theses and Dissertations
Quinoa is an important, highly nutritional grain crop in the Andean region of South America. DNA markers and linkage maps are important tools for the improvement of underdeveloped crops such as quinoa. The objectives of this study were to (i) develop a new set of SSR markers to augment the number of SSR markers available in quinoa, and (ii) construct a new genetic linkage map of quinoa based on SSRs using multiple recombinant-inbred line (RIL) populations. Here we report the development of 216 new polymorphic SSR markers from libraries enriched for GA, CAA, and AAT repeats, as well as 6 …
Sequence Analysis Of Pmel17 As Candidate Gene For Causing Rat-Tail Syndrome In Cattle, Benjamin C. Hecht
Sequence Analysis Of Pmel17 As Candidate Gene For Causing Rat-Tail Syndrome In Cattle, Benjamin C. Hecht
Theses and Dissertations
Congenital hypotrichosis in cattle is commonly referred to as "rat-tail" syndrome and is characterized by a dilution of black coat color and morphological changes to the hair shaft and tail switch. Two loci are involved in the inheritance of the rat-tail phenotype, the "extension locus" (MC1R) and an unknown locus. In order to express the rat-tail phenotype the animal must inherit at least one black allele at MC1R and be heterozygous at the unknown locus. The rat-tail locus was previously mapped to an 8.7 cM region of Bos Taurus autosome (BTA) 5. Pmel17 is known to be involved in the …
Ecological Investigations Of Chukars In Western Utah, Randy T. Larsen
Ecological Investigations Of Chukars In Western Utah, Randy T. Larsen
Theses and Dissertations
This thesis presents three separate manuscripts in chapter format dealing with the ecology of Chukars (Alectoris chukar) in western North America. All three manuscripts have been formatted for publication in professional journals. Chapter one confirms discovery of ingested lead pellets in Chukars across a broad region of western Utah including all four western counties sampled. Prevalence rates were 1.9% (n=105) for crops and 10.7% (n=75) of gizzards showing no evidence of penetration wounds. Ingestion is likely related to grit size preferences that are consistent with common shot sizes. The second chapter describes watering patterns and water-site selection of Chukars. Chukars …