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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 9 of 9
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Effects Of Osmotic Stress Induced By Polyethylene Glycol (Peg) 6000 And Mannitol On Seed Germination And Seedling Growth Of Durum Wheat, Ratiba Bousba, Rabah Bounar, Narimene Sedrati, Randa Lakhal, Chourouk Hamla, Malika Rached-Kanouni
Effects Of Osmotic Stress Induced By Polyethylene Glycol (Peg) 6000 And Mannitol On Seed Germination And Seedling Growth Of Durum Wheat, Ratiba Bousba, Rabah Bounar, Narimene Sedrati, Randa Lakhal, Chourouk Hamla, Malika Rached-Kanouni
Journal of Bioresource Management
Seed germination is generally the critical step in seed establishment and thus the determination of successful crop production. This study was focused at examination of the biochemical and germination parameters effected by low water potential which was generated by polyethylene glycol (PEG) 6000 and mannitol, related to drought stress and growth of Waha durum wheat genotype. Two tests were carried out in a growth chamber; the first comprises seed germination into Petri dishes in the presence of different concentrations of the two osmoticums (0, 5, 10, 15 and 20 % of PEG6000 and mannitol). The second test was carried out …
Heat Shock Proteins: Classification, Functions And Expressions In Plants During Environmental Stresses., Sara Khan, Raheela Jabeen, Farah Deeba, Ummara Waheed, Plosha Khanum, Nadia Iqbal
Heat Shock Proteins: Classification, Functions And Expressions In Plants During Environmental Stresses., Sara Khan, Raheela Jabeen, Farah Deeba, Ummara Waheed, Plosha Khanum, Nadia Iqbal
Journal of Bioresource Management
HSPs proteins are found mostly in every cell from prokaryotes to eukaryotes. HSPs have been comprehensively studied in animals and humans. Recently their role in plants was thoroughly studied. HSPs were described as a result of heat shock conditions, but now get activate by various stresses like Ultraviolet light, cold, wound healing, drought, salinity and pathogenic infections (Lindquist et al., 1988). The term “heat shock protein” is now incorrect because HSPs are not expressed only under high temperature, also expressed under other stresses. HSPs are essential in maintaining balanced cell internal conditions under optimum and damaged growth conditions about in …
Effect Of Diabetes Mellitus And Anti-Diabetic Drugs On Bone Health-A Review, Farah Deeba, Sidra Younis, Nida Qureshi, Tahmina Mustafa, Nadia Iqbal, Saira Hussain
Effect Of Diabetes Mellitus And Anti-Diabetic Drugs On Bone Health-A Review, Farah Deeba, Sidra Younis, Nida Qureshi, Tahmina Mustafa, Nadia Iqbal, Saira Hussain
Journal of Bioresource Management
Osteoporosis and diabetes mellitus (DM) are widespread diseases and have a significant health burden. Type-1 diabetes mellitus (T1DM) and Type-2 diabetes mellitus (T2DM) are associated with an increased bone fracture. In T1DM, the increased risk of bone fracture is associated with low bone mass. In patients with T2DM, the risk of fracture of the bone is increased due to low quality of bone, despite increased bone mineral density (BMD). In type 2 diabetic patients, bone fragility depends on the quality of bone instead of a reduction in bone mass. Thiazolidinediones (TZD) cause differentiation of adipocytes and inhibit differentiation of osteoblast …
Microsatellites And Their Association With Break Induced Replication, French J. Damewood Iv
Microsatellites And Their Association With Break Induced Replication, French J. Damewood Iv
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To study microsatellites instability and their repair pathways a dual fluorescent (DF2) and selectable (ganciclovir sensitive/ thymidine kinase (TK) expressing) cell system was assayed using replication fork stalling agents hydroxyurea and telomestatin. These cell lines carried ectopically integrated microsatellites derived from the Dystrophia Myotonica Protein Kinase (DMPK) gene ((CTG)102 microsatellite), or an 88 bp polypurine/ polypyrimidine (Pu/Py) repeat from the PKD-1 locus, inserted into a FLP recombinase target site. These microsatellites form non-B DNA structures in -vivo and in-vitro causing replication fork stalling and double strand breaks. DF2 myc (CTG)102 -TK cells treated with hydroxyurea were assayed for mutagenesis of …
Enzymatic Post-Translational Halogenation For Adding Functionality To Biomaterials, Alexander L. Compean
Enzymatic Post-Translational Halogenation For Adding Functionality To Biomaterials, Alexander L. Compean
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Silk fibroin from the silkworm, Bombyx mori, is a unique biomaterial that has been extensively studied for a variety of applications due to its promising properties such as controllable self-assembly, robust mechanical properties, and biological compatibility. Previously, there have been numerous methods describing the chemical modification of silk fibroin that utilize synthetic or enzymatic means that do not use halogens as a means of functionalization. Herein, a halogenation strategy is presented to modify silk fibroin with the aim of developing a novel functional material through the carbon-halogen (C-X) bond. Modification with NaX (X = Cl, Br, and I) salts, hydrogen …
The F-Box Protein Fbw7 Negatively Regulates The Stability Of Erk3 Protein, Nicole Walters
The F-Box Protein Fbw7 Negatively Regulates The Stability Of Erk3 Protein, Nicole Walters
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Extracellular signal-regulated kinase 3 (ERK3) is a member of the atypical mitogen-activated protein kinase (MAPK) subfamily, whose members have been shown to play important roles in a number of cellular processes including proliferation, differentiation, migration, and apoptosis. While signals regulating ERK3 kinase activity remain unclear, ERK3 is known to be an unstable protein with function tightly regulated via ubiquitination and proteasomal turnover. The deubiquitinating enzyme USP20 has been shown to regulate ERK3 by stabilizing the kinase, but presently, no destabilizing ubiquitin ligases have been identified. The SKP1-CUL1-F-box protein (SCF) E3 ligases are a subfamily of ubiquitin E3 ligases composed of …
Quantitated Effects Of Nutritional Supplementation On Exercise Induced Sweat, Andrew Blake Austin Browder
Quantitated Effects Of Nutritional Supplementation On Exercise Induced Sweat, Andrew Blake Austin Browder
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Discovery studies have identified many metabolites contained in human sweat. However, quantitative analysis of the sweat metabolome content remains mostly unknown. Furthermore several attributes, including rate, have been defined to affect sweat metabolite content, while other effectors, like diet, remain unknown. This study works to quantitatively define the metabolite impact caused by nutritional supplementation. To better understand the effect diet plays, a LC-MS method was developed focusing on improving resolution and peak width. While the literature provided examples of how diet affected sweat metabolite concentrations, the long-term effects of diet have not been explored. The experiment described here attempts to …
Microsatellites And Their Association With Break Induced Replication, French J. Damewood Iv
Microsatellites And Their Association With Break Induced Replication, French J. Damewood Iv
Browse all Theses and Dissertations
To study microsatellites instability and their repair pathways a dual fluorescent (DF2) and selectable (ganciclovir sensitive/ thymidine kinase (TK) expressing) cell system was assayed using replication fork stalling agents hydroxyurea and telomestatin. These cell lines carried ectopically integrated microsatellites derived from the Dystrophia Myotonica Protein Kinase (DMPK) gene ((CTG)102 microsatellite), or an 88 bp polypurine/ polypyrimidine (Pu/Py) repeat from the PKD-1 locus, inserted into a FLP recombinase target site. These microsatellites form non-B DNA structures in -vivo and in-vitro causing replication fork stalling and double strand breaks. DF2 myc (CTG)102 -TK cells treated with hydroxyurea were assayed for mutagenesis of …
Potential Drug Treatment For Duchenne Muscular Dystrophy Which Could Be Through Upregulation Of Lipin1, Rajsi Y. Thaker
Potential Drug Treatment For Duchenne Muscular Dystrophy Which Could Be Through Upregulation Of Lipin1, Rajsi Y. Thaker
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Duchenne muscular dystrophy (DMD) is a genetic disorder leading to progressive muscle degeneration and weakness due to mutation in dystrophin gene, which is very important for maintaining muscle membrane integrity. Dystrophin is the largest gene in the human genome therefore more prone to mutation. There is currently no cure for DMD. Our lab recently found that Lipin1 deficient myofibers showed upregulation of necroptosis correlated with the loss of muscle membrane integrity. Our primary approach for ameliorating dystrophic phenotype in DMD is through reduction of necroptosis using drugs which can potentially upregulate Lipin1 expression. In this study, we identified two drugs …