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Articles 1 - 9 of 9
Full-Text Articles in Life Sciences
Opportunities In Molecular Biology: Enhancement Of The Nutritional Value Of Forages, K. R. Hancock, M. J. Ulyatt
Opportunities In Molecular Biology: Enhancement Of The Nutritional Value Of Forages, K. R. Hancock, M. J. Ulyatt
IGC Proceedings (1997-2023)
Pasture plants, while producing a cost-effective source of feed for grazing ruminants, can frequently be less than optimal in meeting the animals’ nutrient requirements. Over the past half century, there has been a major effort to improve the quantity and nutritional quality of pasture plants using conventional plant breeding. Although considerable progress has been made in improving the quality and agronomic characteristics of our major pasture plants by this means, breeding can only be applied to plants capable of sexual crosses. This poses severe limitations both in terms of speed of progress and in the number of genes available for …
Metabolomics-Based Analysis Of Miniature Flask Contents Identifies Tobacco Mixture Use Among The Ancient Maya, Mario Zimmermann, Korey J. Brownstein, Luis Pantoja Díaz, Iliana Ancona Aragón, Scott R. Hutson, Barry Kidder, Shannon Tushingham, David R. Gang
Metabolomics-Based Analysis Of Miniature Flask Contents Identifies Tobacco Mixture Use Among The Ancient Maya, Mario Zimmermann, Korey J. Brownstein, Luis Pantoja Díaz, Iliana Ancona Aragón, Scott R. Hutson, Barry Kidder, Shannon Tushingham, David R. Gang
Anthropology Faculty Publications
A particular type of miniature ceramic vessel locally known as “veneneras” is occasionally found during archaeological excavations in the Maya Area. To date, only one study of a collection of such containers successfully identified organic residues through coupled chromatography–mass spectrometry methods. That study identified traces of nicotine likely associated with tobacco. Here we present a more complete picture by analyzing a suite of possible complementary ingredients in tobacco mixtures across a collection of 14 miniature vessels. The collection includes four different vessel forms and allows for the comparison of specimens which had previously formed part of museum exhibitions with recently …
Reference Gene Selection For Transcriptional Profiling In Cryptocercus Punctulatus, An Evolutionary Link Between Isoptera And Blattodea, Zhen Li, Xiangrui Li, Qingwen Zhang, Ling Yuan, Xuguo Zhou
Reference Gene Selection For Transcriptional Profiling In Cryptocercus Punctulatus, An Evolutionary Link Between Isoptera And Blattodea, Zhen Li, Xiangrui Li, Qingwen Zhang, Ling Yuan, Xuguo Zhou
Plant and Soil Sciences Faculty Publications
The subsocial life style and wood-feeding capability of Cryptocercus gives us an evolutionary key to unlock some outstanding questions in biology. With the advent of the Genomics Era, there is an unprecedented opportunity to address the evolution of eusociality and the acquisition of lignocellulases at the genetic level. However, to quantify gene expression, an appropriate normalization strategy is warranted to control for the non-specific variations among samples across different experimental conditions. To search for the internal references, 10 housekeeping genes from a gut transcriptome of a wood-feeding cockroach, Cryptocercus punctulatus, were selected as the candidates for the RT-qPCR analysis. The …
Reference Gene Selection For Rt-Qpcr Analysis In Harmonia Axyridis, A Global Invasive Lady Beetle, Xiaowei Yang, Huipeng Pan, Ling Yuan, Xuguo Zhou
Reference Gene Selection For Rt-Qpcr Analysis In Harmonia Axyridis, A Global Invasive Lady Beetle, Xiaowei Yang, Huipeng Pan, Ling Yuan, Xuguo Zhou
Entomology Faculty Publications
Harmonia axyridis is a voracious predator, a biological control agent, and one of the world most invasive insect species. The advent of next-generation sequencing platforms has propelled entomological research into the genomics and post-genomics era. Real-time quantitative PCR (RT-qPCR), a primary tool for gene expression analysis, is a core technique governs the genomic research. The selection of internal reference genes, however, can significantly impact the interpretation of RT-qPCR results. The overall goal of this study is to identify the reference genes in the highly invasive H. axyridis. Our central hypothesis is that the suitable reference genes for RT-qPCR analysis …
Melatonin And Its Metabolites Protect Human Melanocytes Against Uvb-Induced Damage: Involvement Of Nrf2-Mediated Pathways, Zorica Janjetovic, Stuart G. Jarrett, Elizabeth F. Lee, Cory Duprey, Russel J. Reiter, Andrzej T. Slominski
Melatonin And Its Metabolites Protect Human Melanocytes Against Uvb-Induced Damage: Involvement Of Nrf2-Mediated Pathways, Zorica Janjetovic, Stuart G. Jarrett, Elizabeth F. Lee, Cory Duprey, Russel J. Reiter, Andrzej T. Slominski
Toxicology and Cancer Biology Faculty Publications
Ultraviolet light (UV) is an inducer of reactive oxygen species (ROS) as well as 6-4-photoproducts and cyclobutane pyrimidine dimers (CPD) in the skin, which further cause damage to the skin cells. Irradiation of cultured human melanocytes with UVB stimulated ROS production, which was reduced in cells treated with melatonin or its metabolites: 6-hydroxymelatonin (6-OHM), N1-acetyl-N2-formyl-5-methoxykynuramine (AFMK), N-acetylserotonin (NAS), and 5-methoxytryptamine (5-MT). Melatonin and its derivatives also stimulated the expression of NRF2 (nuclear factor erythroid 2 [NF-E2]-related factor 2) and its target enzymes and proteins that play an important role in cell protection from different damaging factors including UVB. Silencing …
Selection Of Reference Genes For Rt-Qpcr Analysis In A Predatory Biological Control Agent, Coleomegilla Maculata (Coleoptera: Coccinellidae), Chunxiao Yang, Huipeng Pan, Jeffrey Edward Noland, Deyong Zhang, Zhanhong Zhang, Yong Liu, Xuguo Zhou
Selection Of Reference Genes For Rt-Qpcr Analysis In A Predatory Biological Control Agent, Coleomegilla Maculata (Coleoptera: Coccinellidae), Chunxiao Yang, Huipeng Pan, Jeffrey Edward Noland, Deyong Zhang, Zhanhong Zhang, Yong Liu, Xuguo Zhou
Entomology Faculty Publications
Reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) is a reliable technique for quantifying gene expression across various biological processes, of which requires a set of suited reference genes to normalize the expression data. Coleomegilla maculata (Coleoptera: Coccinellidae), is one of the most extensively used biological control agents in the field to manage arthropod pest species. In this study, expression profiles of 16 housekeeping genes selected from C. maculata were cloned and investigated. The performance of these candidates as endogenous controls under specific experimental conditions was evaluated by dedicated algorithms, including geNorm, Normfinder, BestKeeper, and ΔCt method. In addition, …
Pyrosequencing Reveals A Shift In Symbiotic Bacteria Populations Across Life Stages Of Bactrocera Dorsalis, Awawing A. Andongma, Lun Wan, Yong-Cheng Dong, Ping Li, Nicolas Desneux, Jennifer A. White, Chang-Ying Niu
Pyrosequencing Reveals A Shift In Symbiotic Bacteria Populations Across Life Stages Of Bactrocera Dorsalis, Awawing A. Andongma, Lun Wan, Yong-Cheng Dong, Ping Li, Nicolas Desneux, Jennifer A. White, Chang-Ying Niu
Entomology Faculty Publications
Bactrocera dorsalis is one of the most economically important fruit flies around the world. In this study, 454 pyrosequencing was used to identify the bacteria associated with different developmental stages of B. dorsalis. At ≥ 97% nucleotide similarity, total reads could be assigned to 172 Operational Taxonomic Units belonging to six phyla. Proteobacteria dominated in immature stages while Firmicutes dominated in adult stages. The most abundant families were Enterococcaceae and Comamondaceae. The genus Comamonas was most abundant in pupae whereas completely absent in adults. Some identified species had low sequence similarity to reported species indicating the possibility of …
Identification Of Proteins Potentially Involved In The Formation Of Lafora Bodies, A Hallmark Of Lafora Disease, Elham Schokraie, Oliver Kötting, Matthew S. Gentry
Identification Of Proteins Potentially Involved In The Formation Of Lafora Bodies, A Hallmark Of Lafora Disease, Elham Schokraie, Oliver Kötting, Matthew S. Gentry
Molecular and Cellular Biochemistry Presentations
Lafora Disease (LD) is a fatal teenage-onset progressive myoclonus epilepsy. It is characterized by the formation of Lafora bodies (LBs), deposits of abnormally branched, insoluble, hyperphosphorylated glycogen-like polymers that are generally believed to trigger the development of the clinical symptoms of LD. 58% and 35% of the LD cases are caused by mutations in EPM2A (laforin) and EPM2B (malin), respectively. However, little is known about their function in LB formation. Two different mechanisms have been proposed to explain the accumulation of insoluble LBs: first, excessive glycogen phosphorylation and, second, an imbalance between glycogen synthesizing enzymes. The present study aims at …
Starch Phosphates: A Means To Manipulate Biofuel Production, Travis M. Bridges
Starch Phosphates: A Means To Manipulate Biofuel Production, Travis M. Bridges
Kaleidoscope
No abstract provided.