Biol. Maria Soledad Moreno Leon
Técnica Académica Titular C Tiempo Completo
Biología Molecular, Bioquímica y Fisiología de Bacterias
Nivel D del PRIDE
Nivel I del SNII
Nivel I del SNII
- Graduados
1 - Dominguez Saavedra, Iris Jaydi Nicole (2024). Regulación de la Síntesis de Polihidroxibutirato (PHB) y Alquilresorcinoles (ARs) por el Factor de Integración del Hospedero (IHF), y el Sistema GacRsm en Azotobacter vinelandii.
Licenciatura en Ingeniería en Biotecnólogia,
UPEMOR.
*
Total de publicaciones: 52
- Tipo
- Fecha
Artículo
2 - Ortiz-Vasco,C.C., Moreno,S., Quintero-Navarro,L.A., Rojo-Rodriguez,J.B., Espin,G. (2024). The stringent response regulates the poly-Iý-hydroxybutyrate (PHB) synthesis in Azotobacter vinelandii.
PLoS ONE,
19 (4),
e0299640.
Artículo
3 - Chowdhury-Paul,S., Martinez-Ortiz,I.C., Pando-Robles,V., Moreno,S., Espin,G., Merino,E., Nunez,C. (2023). The Azotobacter vinelandii AlgU regulon during vegetative growth and encysting conditions: A proteomic approach.
PLoS ONE,
18 (11),
e0286440.
Artículo
4 - Rodriguez-Martinez,K., Muriel-Millan,L.F., Ortiz-Vasco,C., Moreno,S., Soberon-Chavez,G., Espin,G. (2023). Defining the regulatory mechanisms of sigma factor RpoS degradation in Azotobacter vinelandii and Pseudomonas aeruginosa.
Molecular Microbiology,
120 (1),
91-102.
Artículo
5 - Moreno,S., Muriel-Millan,L.F., Rodriguez-Martinez,K., Ortiz-Vasco,C., Bedoya-Perez,L.P., Espin,G. (2022). The ribosome rescue pathways SsrA-SmpB, ArfA and ArfB mediate tolerance to heat and antibiotic stresses in Azotobacter vinelandii.
Fems Microbiology Letters,
369 (1),
fnac104.
Artículo
6 - Velazquez-Sanchez,C., Vences-Guzman,M.A., Moreno,S., Tinoco-Valencia,R., Espin,G., Guzman,J., Sahonero-Canavesi,D.X., Sohlenkamp,C., Segura,D. (2021). PsrA positively regulates the unsaturated fatty acid synthesis operon fabAB in Azotobacter vinelandii.
Microbiological Research,
249,
126775.
Artículo
7 - 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 (24),
e00135-20.
Artículo
8 - Moreno, S., Castellanos, M., Bedoya-Perez, L. P., Canales-Herrerias, P., Espin, G., Muriel-Millan, L. F. (2019). Outer membrane protein I is associated with poly-beta-hydroxybutyrate granules and is necessary for optimal polymer accumulation in Azotobacter vinelandii on solid medium.
Microbiology,
165 (10),
1107?1116.
Artículo
9 - Bedoya-Perez, L.P., Muriel-Millan, L.F., Moreno, S., Quiroz-Rocha, E., Rivera-Gomez, N., Espin, G. (2018). The pyrophosphohydrolase RppH is involved in the control of RsmA/CsrA expression in Azotobacter vinelandii and Escherichia coli.
Microbiological Research,
214,
91-100.
Artículo
10 - 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 (12),
e0208975.
Artículo
11 - Moreno, S., Ertesvag, H., Valla, S., Nunez, C., Espin, G., Cocotl-Yanez, M. (2018). RpoS controls the expression and the transport of the AlgE1-7 epimerases in Azotobacter vinelandii.
Fems Microbiology Letters,
365 (19),
fny210.
Artículo
12 - Muriel-Millan, L.F., Moreno, S., Gallegos-Monterrosa, R., Espin, G. (2017). Unphosphorylated EIIANtr induces ClpAP-mediated degradation of RpoS in Azotobacter vinelandii.
Molecular Microbiology,
104 (2),
197-211.
Artículo
13 - Rodriguez-Salazar, J., Moreno, S., Espin, G. (2017). LEA proteins are involved in cyst desiccation resistance and other abiotic stresses in Azotobacter vinelandii.
Cell Stress and Chaperones,
22 (3),
397-408.
Artículo
14 - Trejo, A., Moreno, S., Cocotl-Yanez, M., Espin, G. (2017). GacA regulates the PTSNtr-dependent control of cyst formation in Azotobacter vinelandii.
Fems Microbiology Letters,
364 (2),
fnw278.
Artículo
15 - Romero,Y., Guzman,J., Moreno,S., Cocotl-Yanez,M., Vences-Guzman,M.A., Castaneda,M., Espin,G., Segura,D. (2016). The GacS/A-RsmA Signal Transduction Pathway Controls the Synthesis of Alkylresorcinol Lipids that Replace Membrane Phospholipids during Encystment of Azotobacter vinelandii SW136.
PLoS ONE,
11 (4),
e0153266.
Artículo
16 - Muriel-Millan,L.F., Moreno,S., Romero,Y., Bedoya-Perez,L.P., Castaneda,M., Segura,D., Espin,G. (2015). The Unphosphorylated EIIANtr Protein Represses the Synthesis of Alkylresorcinols in Azotobacter vinelandii.
PLoS ONE,
10 (2),
e0117184.
Artículo
17 - Cocotl-Yanez,M., Moreno,S., Encarnacion,S., Lopez-Pliego,L., Castaneda,M., Espin,G. (2014). A small heat shock protein (Hsp20) regulated by RpoS is essential for cyst desiccation resistance in Azotobacter vinelandii.
Microbiology,
160 (3),
479-487.
Artículo
18 - Muriel-Millan,L.F., Castellanos,M., Hernandez-Eligio,J.A., Moreno,S., Espin,G. (2014). Posttranscriptional regulation of PhbR, the transcriptional activator of polyhydroxybutyrate synthesis, by iron and the sRNA ArrF in Azotobacter vinelandii.
Applied Microbiology and Biotechnology,
98 (5),
2173-2182.
Artículo
19 - Flores,C., Moreno,S., Espin,G., Pena,C., Galindo,E. (2013). Expression of alginases and alginate polymerase genes in response to oxygen, and their relationship with the alginate molecular weight in Azotobacter vinelandii.
Enzyme and Microbial Technology,
53 (2),
85-91.
Artículo
20 - Nunez,C., Pena,C., Kloeckner,W., Hernandez-Eligio,A., Bogachev,A.V., Moreno,S., Guzman,J., Buchs,J., Espin,G. (2013). Alginate synthesis in Azotobacter vinelandii is increased by reducing the intracellular production of ubiquinone.
Applied Microbiology and Biotechnology,
97 (6),
2503-2512.
Artículo
Artículo
22 - Hernandez-Eligio,A., Moreno,S., Castellanos,M., Castaneda,M., Nunez,C., Muriel-Millan,L.F., Espin,G. (2012). RsmA post-transcriptionally controls PhbR expression and polyhydroxybutyrate biosynthesis in Azotobacter vinelandii.
Microbiology,
158 (8),
1953-1963.
Artículo
23 - Cocotl-Yanez,M., Sampieri,A., Moreno,S., Nunez,C., Castaneda,M., Segura,D., Espin,G. (2011). Roles of RpoS and PsrA in cyst formation and alkylresorcinol synthesis in Azotobacter vinelandii.
Microbiology,
157 (6),
1685-1693.
Artículo
24 - Hernandez-Eligio,A., Castellanos,M., Moreno,S., Espin,G. (2011). Transcriptional activation of the Azotobacter vinelandii polyhydroxybutyrate biosynthetic genes phbBAC by PhbR and RpoS.
Microbiology,
157 (11),
3014-3023.
Artículo
Artículo
26 - Noguez,R., Segura,D., Moreno,S., Hernandez,A., Juarez,K., Espin,G. (2008). Enzyme I, NPr and IIA(Ntr) Are Involved in Regulation of the Poly-beta-Hydroxybutyrate Biosynthetic Genes in Azotobacter vinelandii.
Journal of Molecular Microbiology and Biotechnology,
15 (4),
244-254.
Artículo
27 - Steigedal,M., Sletta,H., Moreno,S., Maerk,M., Christensen,B.E., Bjerkan,T., Ellingsen,T.E., Espin,G., Ertesvag,H., Valla,S. (2008). The Azotobacter vinelandii AlgE mannuronan C-5-epimerase family is essential for the in vivo control of alginate monomer composition and for functional cyst formation.
Environmental Microbiology,
10 (7),
1760-1770.
Artículo
28 - Gimmestad,M., Steigedal,M., Ertesvag,H., Moreno,S., Christensen,B.E., Espin,G., Valla,S. (2006). Identification and Characterization of an Azotobacter vinelandii Type I Secretion System Responsible for Export of the AlgE-Type Mannuronan C-5-Epimerases.
Journal of Bacteriology,
188 (15),
5551-5560.
Artículo
29 - Trujillo-Roldan,M.A., Moreno,S., Espin,G., Galindo,E. (2004). The roles of oxygen and alginate-lyase in determining the molecular weight of alginate produced by Azotobacter vinelandii.
Applied Microbiology and Biotechnology,
63 (6),
742-747.
Artículo
30 - Trujillo-Roldan,M.A., Moreno,S., Segura,D., Galindo,E., Espin,G. (2003). Alginate production by an Azotobacter vinelandii mutant unable to produce alginate lyase.
Applied Microbiology and Biotechnology,
60 (6),
733-737.
Artículo
31 - Castaneda,M., Sanchez,J., Moreno,S., Nunez,C., Espin,G. (2001). The Global Regulators GacA and sigma(S) Form Part of a Cascade That Controls Alginate Production in Azotobacter vinelandii.
Journal of Bacteriology,
183 (23),
6787-6793.
Artículo
32 - Gama-Castro,S., Nunez,C., Segura,D., Moreno,S., Guzman,J., Espin,G. (2001). Azotobacter vinelandii Aldehyde Dehydrogenase Regulated by sigma(54): Role in Alcohol Catabolism and Encystment.
Journal of Bacteriology,
183 (21),
6169-6174.
Artículo
33 - Castaneda,M., Guzman,J., Moreno,S., Espin,G. (2000). The GacS sensor kinase regulates alginate and poly-beta-hydroxybutyrate production in Azotobacter vinelandii.
Journal of Bacteriology,
182 (9),
2624-2628.
Artículo
34 - Nunez,C., Moreno,S., Cardenas,L., Soberon-Chavez,G., Espin,G. (2000). Inactivation of the ampDE operon increases transcription of algD and affects morphology and encystment of Azotobacter vinelandii.
Journal of Bacteriology,
182 (17),
4829-4835.
Artículo
35 - Nunez,C., Moreno,S., Soberon-Chavez,G., Espin,G. (1999). The Azotobacter vinelandii response regulator AlgR is essential for cyst formation.
Journal of Bacteriology,
181 (1),
141-148.
Artículo
36 - Vazquez,A., Moreno,S., Guzman,J., Alvarado,A., Espin,G. (1999). Transcriptional organization of the Azotobacter vinelandii algGXLVIFA genes: characterization of algF mutants.
Gene,
232 (2),
217-222.
Artículo
37 - Moreno,S., Najera,R., Guzman,J., Soberon-Chavez,G., Espin,G. (1998). Role of alternative sigma factor algU in encystment of Azotobacter vinelandii.
Journal of Bacteriology,
180 (10),
2766-2769.
Artículo
Artículo
39 - Mejia-Ruiz,H., Moreno,S., Guzman,J., Najera,R., Leon,R., Soberon-Chavez,G., Espin,G. (1997). Isolation and characterization of an Azotobacter vinelandii algK mutant.
Fems Microbiology Letters,
156 (1),
101-106.
Artículo
40 - Campos,M., Martinez-Salazar,J.M., Lloret,L., Moreno,S., Nunez,C., Espin,G., Soberon-Chavez,G. (1996). Characterization of the gene coding for GDP-mannose dehydrogenase (algD) from Azotobacter vinelandii.
Journal of Bacteriology,
178 (7),
1793-1799.
Artículo
41 - Lloret,L., Barreto,R., Leon,R., Moreno,S., Martinez-Salazar,J., Espin,G., Soberon-Chavez,G. (1996). Genetic analysis of the transcriptional arrangement of Azotobacter vinelandii alginate biosynthetic genes: identification of two independent promoters.
Molecular Microbiology,
21 (3),
449-457.
Artículo
42 - Martinez-Salazar,J.M., Moreno,S., Najera,R., Boucher,J.C., Espin,G., Soberon-Chavez,G., Deretic,V. (1996). Characterization of the genes coding for the putative sigma factor AlgU and its regulators MucA, MucB, MucC, and MucD in Azotobacter vinelandii and evaluation of their roles in alginate biosynthesis.
Journal of Bacteriology,
178 (7),
1800-1808.
Revisión
43 - Espin,G., Moreno,S., Guzman,J. (1994). Molecular genetics of the glutamine synthetases in Rhizobium species.
Critical Reviews in Microbiology,
20 (2),
117-123.
Note
44 - Noguez,R., Moreno,S., Guzman,J., Espin,G. (1994). The effect of the nitrogen and ntrC on the adenylylation of glutamine synthetase I in Rhizobium etli.
Canadian Journal of Microbiology,
40 (11),
965-968.
Artículo
45 - Moreno,S., Patriarca,E.J., Chiurazzi,M., Meza,R., Defez,R., Lamberti,A., Riccio,A., Iaccarino,M., Espin,G. (1992). Phenotype of a Rhizobium leguminosarum ntrC mutant.
Research in Microbiology,
143 (2),
161-171.
*
Note
46 - Moreno,S., Meza,R., Guzman,J., Carabez,A., Espin,G. (1991). The glnA Gene of Rhizobium leguminosarum bv. phaseoli and Its Role In Symbiosis.
Molecular Plant-Microbe Interactions,
4 (6),
619-622.
Artículo
47 - Soberon-Chavez,G., Najera,R., Espin,G., Moreno,S. (1991). Formation of Rhizobium phaseoli symbiotic plasmids by genetic recombination.
Molecular Microbiology,
5 (4),
909-916.
Note
48 - Espin,G., Moreno,S., Wild,M., Meza,R., Iaccarino,M. (1990). A previously unrecognized glutamine synthetase expressed in Klebsiella pneumoniae from the glnT locus of Rhizobium leguminosarum.
Molecular and General Genetics,
223 (3),
513-516.
*
Artículo
49 - Morett,E., Moreno,S., Espin,G. (1988). Transcription analysis of the three nifH genes of Rhizobium phaseoli with gene fusions.
MGG Molecular & General Genetics,
213 (2-3),
499-504.
*
Artículo
50 - Morett,E., Moreno,S., Espin,G. (1985). Impaired nitrogen fixation and glutamine synthesis in methionine sulfoximine sensitive (MSs) mutants of Rhizobium phaseoli.
MGG Molecular & General Genetics,
200 (2),
229-234.
*
Preprint
51 - Barrios-Rafael,V.V., Ahumada-Manuel,C.L., Orgaz-Hidalgo,S., Nava-Galeana,J., Guzman,J., Moreno,S., Bustamante,V.H., Nunez,C. (2024). The c-di-GMP effector FleQ controls alginate production by repressing transcription of the algD gene in Azotobacter vinelandii.
bioRxiv,
Preprint posted October 01.
Preprint
52 - Chowdhury,S., Martinez-Ortiz,I.C., Pando-Robles,V., Moreno,S., Espin,G., Merino,E., Nunez,C. (2023). The Azotobacter vinelandii AlgU Regulon During Vegetative Growth and Encysting Conditions: A Proteomic Approach.
bioRxiv,
Preprint posted May 17.
Nacional
53 - Espin,G., Moreno,S., Segura,D., Moreno,Y. (2006). Alkylresorcinols synthesis and its role in the production of cysts in Azotobacter.
Revista Latinoamericana de Microbiologia,
48 (2),
129-130.
Artículo
54 - Ortiz-Vasco,C.C., Moreno,S., Quintero-Navarro,L.A., Rojo-Rodriguez,J.B., Espin,G.. The stringent response regulates the poly-Iý-hydroxybutyrate (PHB) synthesis in Azotobacter vinelandii.
PLoS ONE,
19 (4),
e0299640.
Preprint
55 - Barrios-Rafael,V.V., Ahumada-Manuel,C.L., Orgaz-Hidalgo,S., Nava-Galeana,J., Guzman,J., Moreno,S., Bustamante,V.H., Nunez,C.. The c-di-GMP effector FleQ controls alginate production by repressing transcription of the algD gene in Azotobacter vinelandii.
bioRxiv,
Preprint posted October 01.
Artículo
56 - Chowdhury-Paul,S., Martinez-Ortiz,I.C., Pando-Robles,V., Moreno,S., Espin,G., Merino,E., Nunez,C.. The Azotobacter vinelandii AlgU regulon during vegetative growth and encysting conditions: A proteomic approach.
PLoS ONE,
18 (11),
e0286440.
Artículo
57 - Rodriguez-Martinez,K., Muriel-Millan,L.F., Ortiz-Vasco,C., Moreno,S., Soberon-Chavez,G., Espin,G.. Defining the regulatory mechanisms of sigma factor RpoS degradation in Azotobacter vinelandii and Pseudomonas aeruginosa.
Molecular Microbiology,
120 (1),
91-102.
Preprint
58 - Chowdhury,S., Martinez-Ortiz,I.C., Pando-Robles,V., Moreno,S., Espin,G., Merino,E., Nunez,C.. The Azotobacter vinelandii AlgU Regulon During Vegetative Growth and Encysting Conditions: A Proteomic Approach.
bioRxiv,
Preprint posted May 17.
Artículo
59 - Moreno,S., Muriel-Millan,L.F., Rodriguez-Martinez,K., Ortiz-Vasco,C., Bedoya-Perez,L.P., Espin,G.. The ribosome rescue pathways SsrA-SmpB, ArfA and ArfB mediate tolerance to heat and antibiotic stresses in Azotobacter vinelandii.
Fems Microbiology Letters,
369 (1),
fnac104.
Artículo
60 - Velazquez-Sanchez,C., Vences-Guzman,M.A., Moreno,S., Tinoco-Valencia,R., Espin,G., Guzman,J., Sahonero-Canavesi,D.X., Sohlenkamp,C., Segura,D.. PsrA positively regulates the unsaturated fatty acid synthesis operon fabAB in Azotobacter vinelandii.
Microbiological Research,
249,
126775.
Artículo
61 - 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. Cyclic di-GMP-Mediated Regulation of Extracellular Mannuronan C-5 Epimerases Is Essential for Cyst Formation in Azotobacter vinelandii.
Journal of Bacteriology,
202 (24),
e00135-20.
Artículo
62 - Moreno, S., Castellanos, M., Bedoya-Perez, L. P., Canales-Herrerias, P., Espin, G., Muriel-Millan, L. F.. Outer membrane protein I is associated with poly-beta-hydroxybutyrate granules and is necessary for optimal polymer accumulation in Azotobacter vinelandii on solid medium.
Microbiology,
165 (10),
1107?1116.
Artículo
63 - Bedoya-Perez, L.P., Muriel-Millan, L.F., Moreno, S., Quiroz-Rocha, E., Rivera-Gomez, N., Espin, G.. The pyrophosphohydrolase RppH is involved in the control of RsmA/CsrA expression in Azotobacter vinelandii and Escherichia coli.
Microbiological Research,
214,
91-100.
Artículo
64 - Martinez-Valenzuela,M., Guzman,J., Moreno,S., Ahumada-Manuel,C.L., Espin,G., Nunez,C.. 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 (12),
e0208975.
Artículo
65 - Moreno, S., Ertesvag, H., Valla, S., Nunez, C., Espin, G., Cocotl-Yanez, M.. RpoS controls the expression and the transport of the AlgE1-7 epimerases in Azotobacter vinelandii.
Fems Microbiology Letters,
365 (19),
fny210.
Artículo
66 - Muriel-Millan, L.F., Moreno, S., Gallegos-Monterrosa, R., Espin, G.. Unphosphorylated EIIANtr induces ClpAP-mediated degradation of RpoS in Azotobacter vinelandii.
Molecular Microbiology,
104 (2),
197-211.
Artículo
67 - Rodriguez-Salazar, J., Moreno, S., Espin, G.. LEA proteins are involved in cyst desiccation resistance and other abiotic stresses in Azotobacter vinelandii.
Cell Stress and Chaperones,
22 (3),
397-408.
Artículo
68 - Trejo, A., Moreno, S., Cocotl-Yanez, M., Espin, G.. GacA regulates the PTSNtr-dependent control of cyst formation in Azotobacter vinelandii.
Fems Microbiology Letters,
364 (2),
fnw278.
Artículo
69 - Romero,Y., Guzman,J., Moreno,S., Cocotl-Yanez,M., Vences-Guzman,M.A., Castaneda,M., Espin,G., Segura,D.. The GacS/A-RsmA Signal Transduction Pathway Controls the Synthesis of Alkylresorcinol Lipids that Replace Membrane Phospholipids during Encystment of Azotobacter vinelandii SW136.
PLoS ONE,
11 (4),
e0153266.
Artículo
70 - Muriel-Millan,L.F., Moreno,S., Romero,Y., Bedoya-Perez,L.P., Castaneda,M., Segura,D., Espin,G.. The Unphosphorylated EIIANtr Protein Represses the Synthesis of Alkylresorcinols in Azotobacter vinelandii.
PLoS ONE,
10 (2),
e0117184.
Artículo
71 - Cocotl-Yanez,M., Moreno,S., Encarnacion,S., Lopez-Pliego,L., Castaneda,M., Espin,G.. A small heat shock protein (Hsp20) regulated by RpoS is essential for cyst desiccation resistance in Azotobacter vinelandii.
Microbiology,
160 (3),
479-487.
Artículo
72 - Muriel-Millan,L.F., Castellanos,M., Hernandez-Eligio,J.A., Moreno,S., Espin,G.. Posttranscriptional regulation of PhbR, the transcriptional activator of polyhydroxybutyrate synthesis, by iron and the sRNA ArrF in Azotobacter vinelandii.
Applied Microbiology and Biotechnology,
98 (5),
2173-2182.
Artículo
73 - Flores,C., Moreno,S., Espin,G., Pena,C., Galindo,E.. Expression of alginases and alginate polymerase genes in response to oxygen, and their relationship with the alginate molecular weight in Azotobacter vinelandii.
Enzyme and Microbial Technology,
53 (2),
85-91.
Artículo
74 - Nunez,C., Pena,C., Kloeckner,W., Hernandez-Eligio,A., Bogachev,A.V., Moreno,S., Guzman,J., Buchs,J., Espin,G.. Alginate synthesis in Azotobacter vinelandii is increased by reducing the intracellular production of ubiquinone.
Applied Microbiology and Biotechnology,
97 (6),
2503-2512.
Artículo
Artículo
76 - Hernandez-Eligio,A., Moreno,S., Castellanos,M., Castaneda,M., Nunez,C., Muriel-Millan,L.F., Espin,G.. RsmA post-transcriptionally controls PhbR expression and polyhydroxybutyrate biosynthesis in Azotobacter vinelandii.
Microbiology,
158 (8),
1953-1963.
Artículo
77 - Cocotl-Yanez,M., Sampieri,A., Moreno,S., Nunez,C., Castaneda,M., Segura,D., Espin,G.. Roles of RpoS and PsrA in cyst formation and alkylresorcinol synthesis in Azotobacter vinelandii.
Microbiology,
157 (6),
1685-1693.
Artículo
78 - Hernandez-Eligio,A., Castellanos,M., Moreno,S., Espin,G.. Transcriptional activation of the Azotobacter vinelandii polyhydroxybutyrate biosynthetic genes phbBAC by PhbR and RpoS.
Microbiology,
157 (11),
3014-3023.
Artículo
80 - Noguez,R., Segura,D., Moreno,S., Hernandez,A., Juarez,K., Espin,G.. Enzyme I, NPr and IIA(Ntr) Are Involved in Regulation of the Poly-beta-Hydroxybutyrate Biosynthetic Genes in Azotobacter vinelandii.
Journal of Molecular Microbiology and Biotechnology,
15 (4),
244-254.
Artículo
81 - Steigedal,M., Sletta,H., Moreno,S., Maerk,M., Christensen,B.E., Bjerkan,T., Ellingsen,T.E., Espin,G., Ertesvag,H., Valla,S.. The Azotobacter vinelandii AlgE mannuronan C-5-epimerase family is essential for the in vivo control of alginate monomer composition and for functional cyst formation.
Environmental Microbiology,
10 (7),
1760-1770.
Artículo
82 - Gimmestad,M., Steigedal,M., Ertesvag,H., Moreno,S., Christensen,B.E., Espin,G., Valla,S.. Identification and Characterization of an Azotobacter vinelandii Type I Secretion System Responsible for Export of the AlgE-Type Mannuronan C-5-Epimerases.
Journal of Bacteriology,
188 (15),
5551-5560.
Nacional
83 - Espin,G., Moreno,S., Segura,D., Moreno,Y.. Alkylresorcinols synthesis and its role in the production of cysts in Azotobacter.
Revista Latinoamericana de Microbiologia,
48 (2),
129-130.
Artículo
84 - Trujillo-Roldan,M.A., Moreno,S., Espin,G., Galindo,E.. The roles of oxygen and alginate-lyase in determining the molecular weight of alginate produced by Azotobacter vinelandii.
Applied Microbiology and Biotechnology,
63 (6),
742-747.
Artículo
85 - Trujillo-Roldan,M.A., Moreno,S., Segura,D., Galindo,E., Espin,G.. Alginate production by an Azotobacter vinelandii mutant unable to produce alginate lyase.
Applied Microbiology and Biotechnology,
60 (6),
733-737.
Artículo
86 - Castaneda,M., Sanchez,J., Moreno,S., Nunez,C., Espin,G.. The Global Regulators GacA and sigma(S) Form Part of a Cascade That Controls Alginate Production in Azotobacter vinelandii.
Journal of Bacteriology,
183 (23),
6787-6793.
Artículo
87 - Gama-Castro,S., Nunez,C., Segura,D., Moreno,S., Guzman,J., Espin,G.. Azotobacter vinelandii Aldehyde Dehydrogenase Regulated by sigma(54): Role in Alcohol Catabolism and Encystment.
Journal of Bacteriology,
183 (21),
6169-6174.
Artículo
88 - Castaneda,M., Guzman,J., Moreno,S., Espin,G.. The GacS sensor kinase regulates alginate and poly-beta-hydroxybutyrate production in Azotobacter vinelandii.
Journal of Bacteriology,
182 (9),
2624-2628.
Artículo
89 - Nunez,C., Moreno,S., Cardenas,L., Soberon-Chavez,G., Espin,G.. Inactivation of the ampDE operon increases transcription of algD and affects morphology and encystment of Azotobacter vinelandii.
Journal of Bacteriology,
182 (17),
4829-4835.
Artículo
90 - Nunez,C., Moreno,S., Soberon-Chavez,G., Espin,G.. The Azotobacter vinelandii response regulator AlgR is essential for cyst formation.
Journal of Bacteriology,
181 (1),
141-148.
Artículo
91 - Vazquez,A., Moreno,S., Guzman,J., Alvarado,A., Espin,G.. Transcriptional organization of the Azotobacter vinelandii algGXLVIFA genes: characterization of algF mutants.
Gene,
232 (2),
217-222.
Artículo
92 - Moreno,S., Najera,R., Guzman,J., Soberon-Chavez,G., Espin,G.. Role of alternative sigma factor algU in encystment of Azotobacter vinelandii.
Journal of Bacteriology,
180 (10),
2766-2769.
Artículo
93 - Mejia-Ruiz,H., Guzman,J., Moreno,S., Soberon-Chavez,G., Espin,G.. The Azotobacter vinelandii alg8 and alg44 genes are essential for alginate synthesis and can be transcribed from an algD-independent promoter.
Gene,
199 (1-2),
271-277.
Artículo
94 - Mejia-Ruiz,H., Moreno,S., Guzman,J., Najera,R., Leon,R., Soberon-Chavez,G., Espin,G.. Isolation and characterization of an Azotobacter vinelandii algK mutant.
Fems Microbiology Letters,
156 (1),
101-106.
Artículo
95 - Campos,M., Martinez-Salazar,J.M., Lloret,L., Moreno,S., Nunez,C., Espin,G., Soberon-Chavez,G.. Characterization of the gene coding for GDP-mannose dehydrogenase (algD) from Azotobacter vinelandii.
Journal of Bacteriology,
178 (7),
1793-1799.
Artículo
96 - Lloret,L., Barreto,R., Leon,R., Moreno,S., Martinez-Salazar,J., Espin,G., Soberon-Chavez,G.. Genetic analysis of the transcriptional arrangement of Azotobacter vinelandii alginate biosynthetic genes: identification of two independent promoters.
Molecular Microbiology,
21 (3),
449-457.
Artículo
97 - Martinez-Salazar,J.M., Moreno,S., Najera,R., Boucher,J.C., Espin,G., Soberon-Chavez,G., Deretic,V.. Characterization of the genes coding for the putative sigma factor AlgU and its regulators MucA, MucB, MucC, and MucD in Azotobacter vinelandii and evaluation of their roles in alginate biosynthesis.
Journal of Bacteriology,
178 (7),
1800-1808.
Revisión
98 - Espin,G., Moreno,S., Guzman,J.. Molecular genetics of the glutamine synthetases in Rhizobium species.
Critical Reviews in Microbiology,
20 (2),
117-123.
Note
99 - Noguez,R., Moreno,S., Guzman,J., Espin,G.. The effect of the nitrogen and ntrC on the adenylylation of glutamine synthetase I in Rhizobium etli.
Canadian Journal of Microbiology,
40 (11),
965-968.
Artículo
100 - Moreno,S., Patriarca,E.J., Chiurazzi,M., Meza,R., Defez,R., Lamberti,A., Riccio,A., Iaccarino,M., Espin,G.. Phenotype of a Rhizobium leguminosarum ntrC mutant.
Research in Microbiology,
143 (2),
161-171.
*
Note
101 - Moreno,S., Meza,R., Guzman,J., Carabez,A., Espin,G.. The glnA Gene of Rhizobium leguminosarum bv. phaseoli and Its Role In Symbiosis.
Molecular Plant-Microbe Interactions,
4 (6),
619-622.
Artículo
102 - Soberon-Chavez,G., Najera,R., Espin,G., Moreno,S.. Formation of Rhizobium phaseoli symbiotic plasmids by genetic recombination.
Molecular Microbiology,
5 (4),
909-916.
Note
103 - Espin,G., Moreno,S., Wild,M., Meza,R., Iaccarino,M.. A previously unrecognized glutamine synthetase expressed in Klebsiella pneumoniae from the glnT locus of Rhizobium leguminosarum.
Molecular and General Genetics,
223 (3),
513-516.
*
Artículo
104 - Morett,E., Moreno,S., Espin,G.. Transcription analysis of the three nifH genes of Rhizobium phaseoli with gene fusions.
MGG Molecular & General Genetics,
213 (2-3),
499-504.
*
Artículo
105 - Morett,E., Moreno,S., Espin,G.. Impaired nitrogen fixation and glutamine synthesis in methionine sulfoximine sensitive (MSs) mutants of Rhizobium phaseoli.
MGG Molecular & General Genetics,
200 (2),
229-234.
*