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A contravention of established principles of interspecific allometric metabolic scaling in developing silkworms, Bombyx moriBlossman-Myer, Bonnie. Burggren, Warren W., January 2007 (has links)
Thesis (Ph. D.)--University of North Texas, May, 2007. / Title from title page display. Includes bibliographical references.
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Hybridization of mulberry silkworm (Bombyx Mori L.) for higher silk productivity and disease resistance /Begum, Hosne Ara. January 2006 (has links) (PDF)
Thesis (Ph.D.) - University of Queensland, 2006. / Includes bibliography.
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Small molecules in silksGheysens, Tom January 2011 (has links)
No description available.
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Transcription factor IIIB binding to two classes of Alanine tRNA gene promoters of the silkmoth, Bombyx mori /Martinez, Maria Juanita, January 2001 (has links)
Thesis (Ph. D.)--University of Oregon, 2001. / Typescript. Includes vita and abstract. Includes bibliographical references (leaves 128-143). Also available for download via the World Wide Web; free to University of Oregon users.
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Expression and purification of recombinant grass carp (ctenopharyngodon idellus) growth hormone in BmN cells and silkworm (bombyx mori) larvae.January 1994 (has links)
Poon, Chi-to, Geoffrey. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 115-125). / Acknowledgements --- p.I / Abbreviations --- p.II / Abstract --- p.III / Table of content --- p.IV / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Importance of growth enhancement in aquaculture --- p.1 / Chapter 1.2 --- Physiological effect of growth hormone --- p.1 / Chapter 1.3 --- Progress in teleost growth hormone research --- p.3 / Chapter 1.4 --- Grass carp and its aquaculture --- p.5 / Chapter 1.5 --- Route of administration of growth hormone --- p.8 / Chapter 1.6 --- Nomenclature of baculovirus --- p.9 / Chapter 1.7 --- Biology of baculovirus --- p.10 / Chapter 1.8 --- Control of gene expression of virus-infected cells --- p.13 / Chapter 1.9 --- Theme of the thesis --- p.14 / Chapter Chapter 2 --- Materials and Methods --- p.18 / Chapter 2.1 --- Synthesis and purification of primers --- p.18 / Chapter 2.2 --- Modification of gcGH cDNA by polymerase chain reaction (PCR) --- p.20 / Chapter 2.3 --- TA cloning of PCR product --- p.20 / Chapter 2.4 --- Purification ofDNA fragment from agarose gel by GENECLEAN´ёØ --- p.21 / Chapter 2.5 --- Recovery of low molecular weight DNA fragment from agarose gel --- p.22 / Chapter 2.6 --- Small scale preparation of plasmid DNA --- p.23 / Chapter 2.7 --- Large scale plasmid preparation by QIAGEN´ёØ --- p.24 / Chapter 2.8 --- Preparation of competent Escherichia coli JM109 for transformation --- p.25 / Chapter 2.9 --- Transformation of plasmid into competent Escherichi coli JM109 --- p.26 / Chapter 2.10 --- Cell culture of BmN cell line --- p.26 / Chapter 2.10.1 --- Preparation of TC-100 insect medium --- p.27 / Chapter 2.10.2 --- Preparation of Grace's medium --- p.27 / Chapter 2.11 --- Extraction of wild-type Bombyx mori nuclear polyhedrosis virus DNA --- p.28 / Chapter 2.12 --- Transfection of BmN cells with Bombyx mori nuclear polyhedrosis virus DNA by DOTAP´ёØ --- p.28 / Chapter 2.13 --- Agarose plaque assay --- p.29 / Chapter 2.14 --- Lifting of vius plaque onto nitrocellulose filter paper --- p.30 / Chapter 2.15 --- Synthesis of radiolabelled DNA probe --- p.31 / Chapter 2.16 --- Pre-hybridization and hybridization of recombinant virus DNA on nitrocellulose paper --- p.31 / Chapter 2.17 --- Purification of recombinant virus by dot-blot manifold --- p.33 / Chapter 2.18 --- Preparation of cell lysate from virus-infected BmN cells --- p.33 / Chapter 2.19 --- Sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) --- p.34 / Chapter 2.19.1 --- Staining of the gel by Coomassie blue method --- p.35 / Chapter 2.19.2 --- Staining of the gel by silver staining method --- p.35 / Chapter 2.20 --- Determination of protein concentration by Bradford's method --- p.36 / Chapter 2.21 --- Determination of total protein concentration by Folin-Lowry method --- p.36 / Chapter 2.22 --- Detection of grass carp growth hormone by Western blotting --- p.37 / Chapter 2.23 --- Preparation of native recombinant grass carp growth hormone for iodination --- p.38 / Chapter 2.24 --- Iodination of recombinat grass carp growth hormone by IODO-GEN´ёØ --- p.38 / Chapter 2.25 --- Purification of radiolabelled recombinant grass carp growth hormone --- p.39 / Chapter 2.26 --- Radioimmunoassay (RIA) for detection of recombinant grass carp growth hormone --- p.40 / Chapter 2.27 --- Ammonium sulphate precipitation --- p.41 / Chapter Chapter 3 --- Vector Construction --- p.42 / Chapter 3.1 --- Components of parent vector pBM030 --- p.42 / Chapter 3.2 --- Construction of pBM-EE --- p.44 / Chapter 3.3 --- Constrcution of pBM-EX --- p.47 / Chapter Chapter 4 --- Results --- p.51 / Chapter 4.1 --- Construction and purfication of recombinant baculovirus --- p.51 / Chapter 4.2 --- Expression of recombinant grass carp growth hormone in BmN cells --- p.55 / Chapter 4.3 --- Expression of recombinant grass carp growth hormone in Bombyx mori larva --- p.62 / Chapter 4.4 --- Putative physical characteristics of the recombinant grass carp growth hormone --- p.67 / Chapter 4.5 --- Purification of the grass carp growth hormone in Bombyx mori larva --- p.69 / Chapter 4.5.1 --- Ammonium sulphate precipitation --- p.69 / Chapter 4.5.2 --- Gel filtration --- p.72 / Chapter 4.5.3 --- Hydrophobic interaction chromatography --- p.75 / Chapter 4.5.4 --- Anion exchange chromatography --- p.78 / Chapter 4.5.5 --- Reverse phase chromatography --- p.90 / Chapter Chapter 5 --- Discussions --- p.99 / Chapter 5.1 --- Merits of baculovirus expression system against other expression systems --- p.99 / Chapter 5.2 --- Basic design of the recombinant baculovirus transfer vector --- p.100 / Chapter 5.3 --- Potential for Mutation of the Baculovirus during Homologous Recombination --- p.101 / Chapter 5.4 --- Cleavage of Signal Peptide from the Expressed Protein --- p.103 / Chapter 5.5 --- Difference in recombinant gcGH expression levelin EE4-7 and EX3-16 --- p.103 / Chapter 5.6 --- Purification of recombinant gcGH protein --- p.106 / Chapter 5.6.1 --- Chromatographic behaviour of recombinant gcGH in Q-Sepharose column --- p.106 / Chapter 5.6.2 --- Problem of aggregation of recombinant gcGH --- p.107 / Chapter 5.6.3 --- Solvent system used in recombinant gcGH purification --- p.108 / Chapter 5.6.4 --- Protein denaturating effect of the solvent system --- p.109 / Chapter 5.6.5 --- Protein yield --- p.110 / Chapter 5.7 --- Problems and accuracy of radioimmunoassay --- p.110 / Chapter Chapter 6 --- Further study --- p.113 / Chapter Chapter 7 --- References --- p.115 / Appendix I --- p.126 / Appendix II: Construction of the Supervector --- p.127
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Steroid hormones and cell death : analysis of motorneuron and muscle fates during insect metamorphosis /Zee, Michele Chi-Wai, January 2004 (has links)
Thesis (Ph. D.)--University of Oregon, 2004. / Typescript. Includes vita and abstract. Includes bibliographical references (leaves 99-113). Also available for download via the World Wide Web; free to University of Oregon users.
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Using Silkworms as a Host to Spin Spider Silk-Like FibersZhang, Xiaoli 01 August 2017 (has links)
Using silkworms as the potential host to spin spider silk-like fibers is an area of intense research world-wide. The conventional methods used to create transgenic silkworms hosting spider silk-like gene limits the incorporation of spider silk-like protein and do not improve the mechanical performance of the composite silkworm/spider silk fibers. In this dissertation, synthetic spider ampullate genes were incorporated into the precise site of the fibroin heavy chain or light chain using the latest genome editing technology CRISPR/cas9 guided non-homologous end joining as opposed to conventional random integration using transposon-based piggyBac system. These protocols, with extensive applicability to other silkworm researches, improved the content of spider silk-like protein in the transgenic silkworm/spider silk fibers, increases genetic stability in offspring, and improves the mechanical performance of the transgenic fibers compared to traditional methods. In addition, an enhanced green fluorescence protein (eGFP) was successfully incorporated into the fibroin light chain of silkworms using CRISPR/C as 9 initiated homologous recombination. The transgenic silkworm/spider fibers emitted strong green fluorescence under excitation. These results demonstrate that the we successfully developed a protocol to make silkworm as a host to spin spider silk-like fibers.
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Examining Domesticity and Relating to “the Other” Through Raising Silkworms Within Constructed Art SpacesHunter-Lombardi, Susan Brooke 29 July 2011 (has links)
No description available.
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A Contravention of Established Principles of Interspecific Allometric Metabolic Scaling in Developing Silkworms, Bombyx Mori.Blossman-Myer, Bonnie 05 1900 (has links)
Established interspecific metabolic allometric relationships do not adequately describe the complexity and variable physiological states of developing animals. Consequently, intraspecific allometric relationships of oxygen consumption and carbon dioxide production as a function of body mass; the respiratory quotient; the function of the silk cocoon; and body composition were investigated for each distinct developmental stage of the silkworm, Bombyx mori. Whole animal O2 consumption in Bombyx ranged from 0.00064 + 0.000047 ml O2 .hr-1 at larval instar I to 0.77 + 0.06 ml O2 .hr-1 in pre-pupal, falling to 0.21+ 0.01 ml O2 .hr-1 in the pupae. Those instars having a significant relationship between O2 consumption as a function of body mass, the slope of the line relating O2 consumption to body mass varied between 0.99 and 1.02, while across all instars the slope was 0.82. Developmental allometry should be presented for individual developmental stages because the individual allometric exponents of the stages can be significantly different from the overall allometric exponent throughout development and in some cases, the overall allometric exponent can be a statistical artifact. The first larval instar of Bombyx mori has the lowest cross sectional area of high metabolic tissue of the midgut (27%) and had one of the highest percentages of some metabolically inert tissues (i.e. lipid, 7.5%). Body composition of the first instar does not support the idea that smaller mass animals having the highest O2 consumption are composed of a greater percentage of metabolically active organs when compared to larger animals. However, this developmental stage has the highest percentage of the mitochondrial marker cytochrome oxidase, which correlates well with the high O2 consumption rate of the smaller mass. Therefore, established interspecific principles should not be assumed to function as valid models for intraspecific developmental relationships of metabolism as a function of body mass. Developmental allometry should include an analysis of individual stages of development as well as an analysis of development as a whole to gain a comprehensive understanding of the complexity of allometry of the developing animal such as the silkworm.
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An Analysis of Scientific Learning in Growing SilkwormsRoberts, Odessa Hensley 08 1900 (has links)
The purpose of this study is to give the results of a science experiment in an elementary grade in raising silkworms. The purpose of the experiment was not to learn the laws and principles of science, but to determine whether the life cycle of the silkworm would create a greater interest in the field of science.
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