Instituto de Biotecnologia UNAM

IBT-UNAM : M.C. Josefina Guzman Aparicio

M.C.

M.C. Josefina Guzman Aparicio


Técnico Académico

Grupo de la Dra. Elda Guadalupe Espin

email: josefina@ibt.unam.mx

Teléfonos

Oficina +52 (777) 311-4900 ext 236

Laboratorio +52 (777) 329-1629
desde la CDMX 562-27629

red UNAM 27629
+52 (777) 311-4900 ext 236



Publicaciones recientes

Martinez-Ortiz,I.C. Ahumada-Manuel,C.L. Hsueh,B.Y. Guzman,J. Moreno,S. Cocotl-Yanez,M. Waters,C.M. Zamorano-Sanchez,D. Espin,G. Nunez,C. 2020. Cyclic di-GMP-Mediated Regulation of Extracellular Mannuronan C-5 Epimerases Is Essential for Cyst Formation in Azotobacter vinelandii Journal of Bacteriology, 202, e00135-20.

Ahumada-Manuel,C.L. Martinez-Ortiz,I.C. Hsueh,B.Y. Guzman,J. Waters,C.M. Zamorano-Sanchez,D. Espin,G. Nunez,C. 2020. Increased c-di-GMP Levels Lead to the Production of Alginates of High Molecular Mass in Azotobacter vinelandii Journal of Bacteriology, 202, e00134-20.

Martinez-Valenzuela,M. Guzman,J. Moreno,S. Ahumada-Manuel,C.L. Espin,G. Nunez,C. 2018. Expression of the sRNAs CrcZ and CrcY modulate the strength of carbon catabolite repression under diazotrophic or non-diazotrophic growing conditions in Azotobacter vinelandii PLoS ONE, 13, e0208975.

Rosas-Galvan,N.S. Martinez-Morales,F. Marquina-Bahena,S. Tinoco-Valencia,R. Serrano-Carreon,L. Bertrand,B. Leon-Rodriguez,R. Guzman-Aparicio,J. Alvarez-Berber,L. Trejo-Hernandez,M.D.R. 2018. Improved production, purification and characterization of biosurfactants produced by Serratia marcescens SM3 and its isogenic SMRG-5 strain Biotechnology and Applied Biochemistry, 85, 690-700.

Adaya,L. Millan,M. Pena,C. Jendrossek,D. Espin,G. Tinoco-Valencia,R. Guzman,J. Pfeiffer,D. Segura,D. 2018. Inactivation of an intracellular poly-3-hydroxybutyrate depolymerase of Azotobacter vinelandii allows to obtain a polymer of uniform high molecular mass Applied Microbiology and Biotechnology, 102, 2693-2707.

Quiroz-Rocha,E. Bonilla-Badia,F. Garcia-Aguilar,V. Lopez-Pliego,L. Serrano-Roman,J. Cocotl-Yanez,M. Guzman,J. Ahumada-Manuel,C.L. Muriel-Millan,L.F. Castaneda,M. Espin,G. Nunez,C. 2017. Two-component system CbrA/CbrB controls alginate production in Azotobacter vinelandii Microbiology, 163, 1105-1115.

Quiroz-Rocha,E. Moreno,R. Hernandez-Ortiz,A. Fragoso-Jimenez,J.C. Muriel-Millan,L.F. Guzman,J. Espin,G. Rojo,F. Nunez,C. 2017. Glucose uptake in Azotobacter vinelandii occurs through a GluP transporter that is under the control of the CbrA/CbrB and Hfq-Crc systems Scientific Reports, 7, 858.

Ahumada-Manuel,C.L. Guzman,J. Pena,C. Quiroz-Rocha,E. Espin,G. Nunez,C. 2017. The signaling protein MucG negatively affects the production and the molecular mass of alginate in Azotobacter vinelandii Applied Microbiology and Biotechnology, 101, 1521-1534.

* Indica publicación con otra institución de adscripción



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