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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 4 of 4
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Profiling And Verifying The Substrates Of E3 Ubiquitin Ligase Rsp5 In Yeast Cells, Shuai Fang, Geng Chen, Yiyang Wang, Rakhee Ganti, Tatiana A Chernova, Li Zhou, Savannah E Jacobs, Duc Duong, Hiroaki Kiyokawa, Yury O Chernoff, Ming Li, Natalia Shcherbik, Bo Zhao, Jun Yin
Profiling And Verifying The Substrates Of E3 Ubiquitin Ligase Rsp5 In Yeast Cells, Shuai Fang, Geng Chen, Yiyang Wang, Rakhee Ganti, Tatiana A Chernova, Li Zhou, Savannah E Jacobs, Duc Duong, Hiroaki Kiyokawa, Yury O Chernoff, Ming Li, Natalia Shcherbik, Bo Zhao, Jun Yin
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Yeast is an essential model organism for studying protein ubiquitination pathways; however, identifying the direct substrates of E3 in the cell presents a challenge. Here, we present a protocol for using the orthogonal ubiquitin transfer (OUT) cascade to profile the substrate specificity of yeast E3 Rsp5. We describe steps for OUT profiling, proteomics analysis, in vitro and in cell ubiquitination, and stability assay. The protocol can be adapted for identifying and verifying the ubiquitination targets of other E3s in yeast. For complete details on the use and execution of this protocol, please refer to Wang et al.
Modeling Biphasic, Non-Sigmoidal Dose-Response Relationships: Comparison Of Brain- Cousens And Cedergreen Models For A Biochemical Dataset, Venkat D. Abbaraju, Tamaraty L. Robinson, Brian P. Weiser
Modeling Biphasic, Non-Sigmoidal Dose-Response Relationships: Comparison Of Brain- Cousens And Cedergreen Models For A Biochemical Dataset, Venkat D. Abbaraju, Tamaraty L. Robinson, Brian P. Weiser
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Biphasic, non-sigmoidal dose-response relationships are frequently observed in biochemistry and pharmacology, but they are not always analyzed with appropriate statistical methods. Here, we examine curve fitting methods for “hormetic” dose-response relationships where low and high doses of an effector produce opposite responses. We provide the full dataset used for modeling, and we provide the code for analyzing the dataset in SAS using two established mathematical models of hormesis, the Brain-Cousens model and the Cedergreen model. We show how to obtain and interpret curve parameters such as the ED50 that arise from modeling, and we discuss how curve parameters might change …
Invited Review: Adrenocortical Function In Avian And Non-Avian Reptiles: Insights From Dispersed Adrenocortical Cells., Rocco V. Carsia, Patrick J. Mcilroy, Henry B John-Alder
Invited Review: Adrenocortical Function In Avian And Non-Avian Reptiles: Insights From Dispersed Adrenocortical Cells., Rocco V. Carsia, Patrick J. Mcilroy, Henry B John-Alder
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Herein we review our work involving dispersed adrenocortical cells from several lizard species: the Eastern Fence Lizard (Sceloporus undulatus), Yarrow's Spiny Lizard (Sceloporus jarrovii), Striped Plateau Lizard (Sceloporus virgatus) and the Yucatán Banded Gecko (Coleonyx elegans). Early work demonstrated changes in steroidogenic function of adrenocortical cells derived from adult S. undulatus associated with seasonal interactions with sex. However, new information suggests that both sexes operate within the same steroidogenic budget over season. The observed sex effect was further explored in orchiectomized and ovariectomized lizards, some supported with exogenous testosterone. Overall, a suppressive effect of testosterone was evident, especially in cells …
Anterior And Posterior Tongue Regions And Taste Papillae: Distinct Roles And Regulatory Mechanisms With An Emphasis On Hedgehog Signaling And Antagonism., Archana Kumari, Charlotte M. Mistretta
Anterior And Posterior Tongue Regions And Taste Papillae: Distinct Roles And Regulatory Mechanisms With An Emphasis On Hedgehog Signaling And Antagonism., Archana Kumari, Charlotte M. Mistretta
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Sensory receptors across the entire tongue are engaged during eating. However, the tongue has distinctive regions with taste (fungiform and circumvallate) and non-taste (filiform) organs that are composed of specialized epithelia, connective tissues, and innervation. The tissue regions and papillae are adapted in form and function for taste and somatosensation associated with eating. It follows that homeostasis and regeneration of distinctive papillae and taste buds with particular functional roles require tailored molecular pathways. Nonetheless, in the chemosensory field, generalizations are often made between mechanisms that regulate anterior tongue fungiform and posterior circumvallate taste papillae, without a clear distinction that highlights …