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347 Matching Results
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Upper lethal temperatures of Northern Bobwhite embryos and the thermal properties of their eggs
This article explores the upper lethal temperature for Bobwhite eggs. Results find that thermal tolerances of Northern Bobwhite embryos are high, indicating an adaptation to the naturally occurring temperature extremes in the Bobwhite's environment. However, the results also indicate that high temperatures could have plausibly contributed to the population decline observed in the Bobwhite's semi-arid range.
Date:
January 1, 2012
Creator:
Reyna, Kelly S. & Burggren, Warren W.
Object Type:
Article
System:
The UNT Digital Library
Urinary Glycosaminoglycans Are Associated with Recurrent UTI and Urobiome Ecology in Postmenopausal Women
Article asserts that glycosaminoglycans (GAGs) are linear, negatively charged polysaccharides composed of repeating disaccharide units of uronic acid and amino sugars. To investigate the relationship between GAGs and recurrent urinary tract infection (rUTI), the authors profiled urinary GAGs in a controlled cohort of postmenopausal women.
Date:
March 21, 2023
Creator:
Neugent, Michael L.; Hulyalkar, Neha V.; Kumar, Ashwani; Xing, Chao; Zimmern, Philippe E.; Shulaev, Vladimir et al.
Object Type:
Article
System:
The UNT Digital Library
Using CRISPR/Cas to enhance gene expression for crop trait improvement by editing miRNA targets
Article states that gene editing tools such as CRISPR/Cas9 are often thought of as a means to prevent gene expression; however, a more subtle and yet powerful approach is the enhancement of gene expression by precise deletion of repressor sites within a gene of interest. Authors argue that gene editing of miRNA target sites is preferable over deletion of the miRNA genes themselves, given that it avoids the pitfalls of unspecific derepression of miRNA target(s) beyond the gene of interest.
Date:
January 10, 2023
Creator:
Ferreira, Savio S. & Reis, Rodrigo S.
Object Type:
Article
System:
The UNT Digital Library
Using Machine Learning to Predict Genes Underlying Differentiation of Multipartite and Unipartite Traits in Bacteria
Article describes how, since the discovery of the second chromosome in the Rhodobacter spaeroides 2.4.1 in 1989 and the revelation of gene sequences, multipartite genomes have been reported in over three hundred bacterial species under nine different phyla. In this study, the authors have attempted to leverage machine learning as a means to identify the genetic factors that underlie the differentiation of bacteria with multipartite and unipartite genomes.
Date:
November 13, 2023
Creator:
Almalki, Fatemah; Sunuwar, Janak & Azad, Rajeev K.
Object Type:
Article
System:
The UNT Digital Library
Vehicle emissions-exposure alters expression of systemic and tissue-specific components of the renin-angiotensin system and promotes outcomes associated with cardiovascular disease and obesity in wild-type C57BL/6 male mice
This article investigates the hypothesis that exposure to engine emissions increases systemic and local adipocyte RAS signaling, promoting the expression of factors involved in cardiovascular disease and obesity.
Date:
April 15, 2021
Creator:
Phipps, Benjamin L.; Suwannasual, Usa; Lucero, JoAnn; Mitchell, Nicholas A. & Lund, Amie K.
Object Type:
Article
System:
The UNT Digital Library
Visualization of Lipid Droplet Composition by Direct Organelle Mass Spectrometry
Article reporting an approach that combines the visualization of individual lipid droplets (LDs), microphase extraction of lipid components from droplets, and the direct identification of lipid composition by nanospray mass spectrometry, even to the level of a single LD. The triacylglycerol (TAG) composition of LDs from several plant sources (mature cotton (Gossypium hirsutum) embryos, roots of cotton seedlings, and Arabidopsis thaliana seeds and leaves) were examined by direct organelle mass spectrometry and revealed the heterogeneity of LDs derived from different plant tissue sources.
Date:
February 4, 2011
Creator:
Horn, Patrick J.; Ledbetter, Nicole R.; James, Christopher N.; Hoffman, William D.; Case, Charlene R.; Verbeck, Guido F. et al.
Object Type:
Article
System:
The UNT Digital Library
VvLAR1 and VvLAR2 Are Bifunctional Enzymes for Proanthocyanidin Biosynthesis in Grapevine
This article shows that both Cys-EC and 4β-(S-cysteinyl)-catechin (Cys-C) are present in grapevine. The data from this study advance knowledge of PA building blocks and LAR function and provide targets for grapevine breeding to alter PA composition.
Date:
May 15, 2019
Creator:
Dixon, R. A.; Jun, Ji Hyung; Yu, Keji & Duan, Changqing
Object Type:
Article
System:
The UNT Digital Library
The Water-Water Cycle Is Essential for Chloroplast Protection in the Absence of Stress
Article showing that knockdown Arabidopsis plants with suppressed expression of the key water-water cycle enzyme, thylakoid-attached copper/zinc superoxide dismutase (KD-SOD), are suppressed in their growth and development. This article provides e genetic evidence for the importance of the water-water cycle in protecting the photosynthetic apparatus of higher plants from photooxidative damage.
Date:
October 3, 2003
Creator:
Rizhsky, Ludmila; Liang, Hongjian & Mittler, Ron
Object Type:
Article
System:
The UNT Digital Library
Whole-genome survey reveals extensive variation in genetic diversity and inbreeding levels among peregrine falcon subspecies
Article describes how, in efforts to prevent extinction, resource managers are often tasked with increasing genetic diversity in a population of concern to prevent inbreeding depression or improve adaptive potential in a changing environment. The authors used whole-genome resequencing to generate over two million single nucleotide polymorphisms (SNPs) from multiple individuals of all peregrine falcon subspecies.
Date:
July 20, 2023
Creator:
Johnson, Jeff A.; Athrey, Giridhar; Anderson, Clifford M.; Bell, Douglas A.; Dixon, Andrew; Kumazawa, Yoshinori et al.
Object Type:
Article
System:
The UNT Digital Library
Workflow for the Quantification of Soluble and Insoluble Carbohydrates in Soybean Seed
This article develops and validates a sequential protocol for quantifying reserve and structural carbohydrates in soybean seed. It was successfully applied to eight soybean genotypes harvested from two locations, and the resulting correlations of carbohydrate and oil or protein are presented. This methodology has the potential not only to guide soybean cultivar optimization processes but also to be expanded to other crops with only slight modifications.
Date:
July 30, 2020
Creator:
Moretti, Ademar; Arias, Cintia L.; Mozzoni, Leandro A.; Chen, Pengyin; McNeece, Brant T.; Mian, M. A. Rouf et al.
Object Type:
Article
System:
The UNT Digital Library
Xenopus and the art of oxygen maintenance
This column article discusses the impact of Robert Boutillier and Graham Shelton's 1986 Journal of Experimental Biology paper "Gas exchange, storage and transport in voluntarily diving Xenopus laevis."
Date:
November 15, 2017
Creator:
Tattersall, Glenn & Burggren, Warren W.
Object Type:
Article
System:
The UNT Digital Library