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22 results on '"Rangel-Serrano Ángeles"'

1. Avirulent UG10 Entamoeba histolytica mutant derived from HM-1:IMSS strain shows limited genome variability and aberrant 5-methyl cytosine genomic distribution

Author

Vargas-Maya, Naurú Idalia, Maunakea, Alika K., Ramírez-Montiel, Fátima Berenice, Sultana, Razvan, Peres, Rafael, Macías-Cervantes, Quetzalli Xiadany, Medina-Nieto, Ana Laura, Rangel-Serrano, Ángeles, Martínez-Álvarez, José A., Páramo-Pérez, Itzel, Anaya-Velázquez, Fernando, Padilla-Vaca, Felipe, and Franco, Bernardo

Published
2024
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3. High-Throughput Screening Method Using Escherichia coli Keio Mutants for Assessing Primary Damage Mechanism of Antimicrobials

Author

Martínez-Álvarez, José A., primary, Vicente-Gómez, Marcos, additional, García-Contreras, Rodolfo, additional, Wood, Thomas K., additional, Ramírez Montiel, Fátima Berenice, additional, Vargas-Maya, Naurú Idalia, additional, España-Sánchez, Beatriz Liliana, additional, Rangel-Serrano, Ángeles, additional, Padilla-Vaca, Felipe, additional, and Franco, Bernardo, additional

Published
2024
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5. Theoretical study of ArcB and its dimerization, interaction with anaerobic metabolites, and activation of ArcA

Author

Padilla-Vaca, Felipe, primary, de la Mora, Javier, additional, García-Contreras, Rodolfo, additional, Ramírez-Prado, Jorge Humberto, additional, Vicente-Gómez, Marcos, additional, Vargas-Gasca, Francisco, additional, Anaya-Velázquez, Fernando, additional, Páramo-Pérez, Itzel, additional, Rangel-Serrano, Ángeles, additional, Cuéllar-Mata, Patricia, additional, Vargas-Maya, Naurú Idalia, additional, and Franco, Bernardo, additional

Published
2023
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7. Two-Component System Sensor Kinases from Asgardian Archaea May Be Witnesses to Eukaryotic Cell Evolution

Author

Padilla-Vaca, Felipe, primary, de la Mora, Javier, additional, García-Contreras, Rodolfo, additional, Ramírez-Prado, Jorge Humberto, additional, Alva-Murillo, Nayeli, additional, Fonseca-Yepez, Sofia, additional, Serna-Gutiérrez, Isaac, additional, Moreno-Galván, Carolina Lisette, additional, Montufar-Rodríguez, José Manolo, additional, Vicente-Gómez, Marcos, additional, Rangel-Serrano, Ángeles, additional, Vargas-Maya, Naurú Idalia, additional, and Franco, Bernardo, additional

Published
2023
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8. Attenuation of In Vitro and In Vivo Virulence Is Associated with Repression of Gene Expression of AIG1 Gene in Entamoeba histolytica

Author

Lozano-Mendoza, Janeth, primary, Ramírez-Montiel, Fátima, additional, Rangel-Serrano, Ángeles, additional, Páramo-Pérez, Itzel, additional, Mendoza-Macías, Claudia Leticia, additional, Saavedra-Salazar, Faridi, additional, Franco, Bernardo, additional, Vargas-Maya, Naurú, additional, Jeelani, Ghulam, additional, Saito-Nakano, Yumiko, additional, Anaya-Velázquez, Fernando, additional, Nozaki, Tomoyoshi, additional, and Padilla-Vaca, Felipe, additional

Published
2023
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9. Escherichia coli transcription factors of unknown function: sequence features and possible evolutionary relationships

Author

Duarte-Velázquez, Isabel, primary, de la Mora, Javier, additional, Ramírez-Prado, Jorge Humberto, additional, Aguillón-Bárcenas, Alondra, additional, Tornero-Gutiérrez, Fátima, additional, Cordero-Loreto, Eugenia, additional, Anaya-Velázquez, Fernando, additional, Páramo-Pérez, Itzel, additional, Rangel-Serrano, Ángeles, additional, Muñoz-Carranza, Sergio Rodrigo, additional, Romero-González, Oscar Eduardo, additional, Cardoso-Reyes, Luis Rafael, additional, Rodríguez-Ojeda, Ricardo Alberto, additional, Mora-Montes, Héctor Manuel, additional, Vargas-Maya, Naurú Idalia, additional, Padilla-Vaca, Felipe, additional, and Franco, Bernardo, additional

Published
2022
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10. Intellectual Curve Scene Text Detection from Natural Images Using MSER Descriptor Based Region Segmentation Approach

Author

C. Teixeira Samuel, Kalita Jahnabi, Wang Huayuan, Qin Weiwei, Shi Yingying, Xia Mingrong, Kumar Deepak, Yang Miaomiao, Páramo-Pérez Itzel, Elizabeth Reyes-Martínez Juana, Chandra Remya, S. Lopes Daiana, SIngh Ramandeep, Padilla-Vaca Felipe, Tamayo-Nuñez Jessica, Anaya-Velázquez Fernando, de Melo Rodrigues Veridiana, Chetia Dipak, Idalia Vargas-Maya Naurú, Li Gai, Franco Bernardo, Zhang Jiewen, Sun Ruihua, Liliana España-Sánchez Beatríz, Zhang Haohan, Zhao Jing, Abdizadeh Tooba, Vijayan Dileep, N.C. Gimenes Sarah, Sun Yajing, Banerjee Rintu, de la Mora Javier, Abdizadeh Rahman, Jiménez-Charris Eliécer, Rangel-Serrano Ángeles, Ma Limin, Solano-Redondo Luis, Rudrapal Mithun, Hadizadeh Farzin, and Montealegre-Sánchez Leonel

Subjects
Control and Optimization, Computer Networks and Communications, Computer science, business.industry, Natural (music), Segmentation, Pattern recognition, Text detection, Artificial intelligence, Electrical and Electronic Engineering, business, Computer Science Applications
Abstract

Background: A novel method to detect the text region from the natural image using the discriminative deep feature of text regions is presented with deep learning concept in this manuscript. Objective: Curve Text Detection (CTD) from the natural image is generally based on two different tasks: learning of text data and text region detection. In the learning of text data, the goal is to train the system with a sample of letters and natural images, while, in the text region detection, the aim is to confirm whether the detected regions are text region or not. The emphasis of this research is on the development of deep learning algorithm. Methods: A novel approach has been proposed to detect the text region from natural images which simultaneously tackles three combined challenges: 1) pre-processing of the image without losing text region; 2) appropriate segmentation of text region using their strokes, and 3) training of data. In pre-processing, image enhancement and binarization are done then morphological operations are defined with the Maximally Stable Extremal Region (MSER) based segmentation technique which operates on the basis of stroke region of text and then finds out the (Speed Up Robust Feature) SURF key point from those regions. Results: Based on the SURF feature, text region is detected from the images using a trained structure of Artificial Neural Network (ANN) which is based on deep learning mechanism. Conclusion: CTW-1500 dataset is used to simulate the proposed work and the parameters like Precision, Recall, F-Measure (H-mean), Execution time, Accuracy and Error Rate are computed and are compared with the existing work to depict the effectiveness of the work.

Published
2021

13. aeBlue Chromoprotein Color is Temperature Dependent

Author

Tamayo-Nuñez, Jessica, primary, de la Mora, Javier, additional, Padilla-Vaca, Felipe, additional, Vargas-Maya, Naurú Idalia, additional, Rangel-Serrano, Ángeles, additional, Anaya-Velázquez, Fernando, additional, Páramo-Pérez, Itzel, additional, Reyes-Martínez, Juana Elizabeth, additional, España-Sánchez, Beatríz Liliana, additional, and Franco, Bernardo, additional

Published
2019
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14. Plasma membrane damage repair is mediated by an acid sphingomyelinase in Entamoeba histolytica

Author

Ramírez-Montiel, Fátima, primary, Mendoza-Macías, Claudia, additional, Andrade-Guillén, Sairy, additional, Rangel-Serrano, Ángeles, additional, Páramo-Pérez, Itzel, additional, Rivera-Cuéllar, Paris E., additional, España-Sánchez, B. Liliana, additional, Luna-Bárcenas, Gabriel, additional, Anaya-Velázquez, Fernando, additional, Franco, Bernardo, additional, and Padilla-Vaca, Felipe, additional

Published
2019
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15. Contribution of neutral sphingomyelinases to in vitro virulence of Entamoeba histolytica

Author

Urquieta-Ramírez, Luz, primary, Ramírez-Montiel, Fátima, additional, Andrade-Guillén, Sairy, additional, Páramo-Pérez, Itzel, additional, Rangel-Serrano, Ángeles, additional, Reyes-Cortes, Ruth, additional, Franco, Bernardo, additional, Mendoza-Macías, Claudia Leticia, additional, Anaya-Velázquez, Fernando, additional, and Padilla-Vaca, Felipe, additional

Published
2018
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18. aeBlue Chromoprotein Color is Temperature Dependent

Author

Tamayo-Nuñez, Jessica, de la Mora, Javier, Padilla-Vaca, Felipe, Vargas-Maya, Naurú I., Rangel-Serrano, Ángeles, Anaya-Velázquez, Fernando, Páramo-Pérez, Itzel, Reyes-Martínez, Juana Elizabeth, España-Sánchez, Beatríz Liliana, and Franco, Bernardo

Abstract

Background: Marine sessile organisms display a color palette that is the result of the expression of fluorescent and non-fluorescent proteins. Fluorescent proteins have uncovered transcriptional regulation, subcellular localization of proteins, and the fate of cells during development. Chromoproteins have received less attention until recent years as bioreporters. Here, we studied the properties of aeBlue, a a 25.91 kDa protein from the anemone Actinia equina. Objective: To assess the properties of aeBlue chromoprotein under different physicochemical conditions. Methods: In this article, during the purification of aeBlue we uncovered that it suffered a color shift when frozen. We studied the color shift by different temperature incubation and physicochemical conditions and light spectroscopy. To assess the possible structural changes in the protein, circular dichroism analysis, size exclusion chromatography and native PAGE was performed. Results: We uncover that aeBlue chromoprotein, when expressed from a synthetic construct in Escherichia coli, showed a temperature dependent color shift. Protein purified at 4 °C by metal affinity chromatography exhibited a pinkish color and shifts back at higher temperatures to its intense blue color. Circular dichroism analysis revealed that the structure in the pink form of the protein has reduced secondary structure at 4 °C, but at 35 °C and higher, the structure shifts to a native conformation and Far UV- vis CD spectra revealed the shift in an aromatic residue of the chromophore. Also, the chromophore retains its properties in a wide range of conditions (pH, denaturants, reducing and oxidants agents). Quaternary structure is also maintained as a tetrameric conformation as shown by native gel and size exclusion chromatography. Conclusion: Our results suggest that the chromophore position in aeBlue is shifted from its native position rendering the pink color and the process to return it to its native blue conformation is temperature dependent.

Published
2020
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20. Back Cover: Plasma Process. Polym. 4∕2014

Author

España‐Sánchez, Beatriz L., primary, Ávila‐Orta, Carlos A., additional, Padilla‐Vaca, Felipe, additional, Neira‐Velázquez, María G., additional, González‐Morones, Pablo, additional, Rodríguez‐González, José A., additional, Hernández‐Hernández, Ernesto, additional, Rangel‐Serrano, Ángeles, additional, Barriga‐C., Enrique Díaz, additional, Yate, Luis, additional, and Ziolo, Ronald F., additional

Published
2014
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21. Enhanced Antibacterial Activity of Melt Processed Poly(propylene) Ag and Cu Nanocomposites by Argon Plasma Treatment

Author

España‐Sánchez, Beatriz L., primary, Ávila‐Orta, Carlos A., additional, Padilla‐Vaca, Felipe, additional, Neira‐Velázquez, María G., additional, González‐Morones, Pablo, additional, Rodríguez‐González, José A., additional, Hernández‐Hernández, Ernesto, additional, Rangel‐Serrano, Ángeles, additional, Barriga‐C., Enrique Díaz, additional, Yate, Luis, additional, and Ziolo, Ronald F., additional

Published
2014
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