Instituto de Biotecnologia UNAM

IBT-UNAM : Biól Jorge Felix Sanchez Quintana

Biól

Biól Jorge Felix Sanchez Quintana


Técnico Académico

Grupo de la Dra. Maria Alejandra Bravo

email: jsanchez@ibt.unam.mx



Publicaciones recientes

Gomez,I. Ocelotl,J. Sanchez,J. Lima,C. Martins,E. Rosales-Juarez,A. Aguilar-Medel,S. Abad,A. Dong,H. Monnerat,R. Pena,G. Zhang,J. Nelson,M. Wu,G. Bravo,A. Soberon,M. 2018. Enhancement of Bacillus thuringiensis Cry1Ab and Cry1Fa toxicity to Spodoptera frugiperda by domain III mutations indicates two limiting steps in toxicity as defined by receptor binding and protein stability Applied and Environmental Microbiology, 84, e01393-18.

Gomez,I. Rodriguez-Chamorro,D.E. Flores-Ramirez,G. Grande,R. Zuniga,F. Portugal,F.J. Sanchez,J. Pacheco,S. Bravo,A. Soberon,M. 2018. Spodoptera frugiperda (J. E. Smith) aminopeptidase N1 is functional receptor of Bacillus thuringiensis Cry1Ca toxin Applied and Environmental Microbiology, 84, UNSP e01089-18.

Pacheco,S. Gomez,I. Sanchez,J. Garcia-Gomez,B.I. Czajkowsky,D.M. Zhang,J. Soberon,M. Bravo,A. 2018. Helix alpha-3 inter-molecular salt bridges and conformational changes are essential for toxicity of Bacillus thuringiensis 3D-Cry toxin family Scientific Reports, 8, 10331.

Torres-Quintero,M.C. Gomez,I. Pacheco,S. Sanchez,J. Flores,H. Osuna,J. Mendoza,G. Soberon,M. Bravo,A. 2018. Engineering Bacillus thuringiensis Cyt1Aa toxin specificity from dipteran to lepidopteran toxicity Scientific Reports, 8, 4989.

Soberon,M. Portugal,L. Garcia-Gomez,B.I. Sanchez,J. Onofre,J. Gomez,I. Pacheco,S. Bravo,A. 2018. Cell lines as models for the study of Cry toxins from Bacillus thuringiensis Insect Biochemistry and Molecular Biology, 93, 66-78.

Pacheco,S. Gomez,I. Sanchez,J. Garcia-Gomez,B.I. Soberon,M. Bravo,A. 2017. Intra-molecular salt bridge in Bacillus thuringiensis Cry4Ba toxin is involved in the stability of helix alpha-3 that is needed for oligomerization and insecticidal activity Applied and Environmental Microbiology, 83, e01515-e01517.

Ocelotl,J. Sanchez,J. Gomez,I. Tabashnik,B.E. Bravo,A. Soberon,M. 2017. ABCC2 is associated with Bacillus thuringiensis Cry1Ac toxin oligomerization and membrane insertion in diamondback moth Scientific Reports, 7, 2386.

Ocelotl,J. Sanchez,J. Arroyo,R. Garcia-Gomez,B.I. Gomez,I. Unnithan,G.C. Tabashnik,B.E. Bravo,A. Soberon,M. 2015. Binding and Oligomerization of Modified and Native Bt Toxins in Resistant and Susceptible Pink Bollworm PLoS ONE, 10, e0144086.

Chavez,C. Recio-Totoro,B. Flores-Escobar,B. Lanz-Mendoza,H. Sanchez,J. Soberon,M. Bravo,A. 2015. Nitric oxide participates in the toxicity of Bacillus thuringiensis Cry1Ab toxin to kill Manduca sexta larvae Peptides, 68, 134-139.

Gomez,I. Sanchez,J. Munoz-Garay,C. Matus,V. Gill,S.S. Soberon,M. Bravo,A. 2014. Bacillus thuringiensis Cry1A toxins are versatile-proteins with multiple modes of action: two distinct pre-pores are involved in toxicity Biochemical Journal, 459, 383-396.

Libros y capítulos recientes

Soberon,M. Garcia-Gomez,B.I. Pacheco,S. Sanchez-Quintana J Tabashnik,B.E. Bravo,A. 2015. Countering pest resistance with genetically modified Bt toxins en: Bravo,A. Bt resistance-characterization and strategies for GM crops expressing Bacillus thuringiensis. Oxford. CABI. pags. 150-161

Bravo,A. Martinez-de-Castro,D.L. Sanchez-Quintana J Canton,P.E. Mendoza,G. Gomez,I. Pacheco,S. Garcia-Gomez,B.I. Onofre,J. Ocelotl,J. Soberon,M. 2015. Mechanism of action of Bacillus thuringiensis insecticidal toxins and their use in the control of insect pests en: Alouf,J.E. Comprehensive Sourcebook of Bacterial Protein Toxins 4a ed. Elsevier. pags. 858-873

Bravo,A. Martinez-de-Castro,D.L. Sanchez,J. Munoz-Garay,C. Matus,V. Canton,P.E. Lopez-Diaz,J. Portugal,L. Mendoza,G. Soberon,M. 2014. Mode of action of Bacillus thuringiensis toxins and their use in transgenic crops to control insect pests en: Biotechnology: beyond borders. CSIR National Chemical Laboratory. pags. 122-134


Divulgación

Aranda,E. Sanchez,J.F. Lina,L. Peferoen,M. Bravo,A. 1999. Analisis de la union in vitro e in vivo de las d-endotoxinas de Bacillus Thuringiensis al epitelio intestinal de Diatrea grandiosello.Biotecnologia, 3, 95-105.



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