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==Contact Info==
[[Image:OWWEmblem.png|thumb|right|Ernesto Perez-Rueda (an artistic interpretation)]]


*Universidad Nacional Autonoma de Mexico
This site is in development.  Please see our IIMAS - UNAM [http://www.iimas.unam.mx homepage], the Encyclopedia of well-known Transcription Factors in Bacteria and Archaea: '''ENTRAF Database'''  [http://web.pcyt.unam.mx/EntrafDB], '''Gene Regulatory Network server (GRN)'''[https://regulatorynetworks.unam.mx] or [http://132.247.46.6], and '''CDBPROM''' [https://aw.iimas.unam.mx/cdbprom]
*Avenida Universidad 1001, Col. Chamilpa
*Cuernavaca, Morelos, Mexico
*Email address: [[erueda@ibt.unam.mx]]




*'''Sistema Nacional de Investigadores''' : '''''Nivel 3'''''.
[[Image: Ernesto_Perez-Rueda lab_orig.png|300px]]




*'''New site''' : Laboratory of Computational Biology [http://computationalbiology.weebly.com]
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*'''Facebook''' : Laboratorio de Biologia Computacional [http://www.facebook.com/pages/Laboratorio-de-Biologia-Computacional/139885586119371]
[[Ernesto-Perez-Rueda:Contact | <font face="trebuchet ms" style="color:#ffffff"> '''Contact''' </font>]] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
[[Ernesto-Perez-Rueda:Education | <font face="trebuchet ms" style="color:#ffffff"> '''Education''' </font>]] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
[[Ernesto-Perez-Rueda:Lab Members / Research interests | <font face="trebuchet ms" style="color:#ffffff"> '''Lab Members''' </font>]] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
[[Ernesto-Perez-Rueda:Publications | <font face="trebuchet ms" style="color:#ffffff"> '''Publications''' </font>]] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
[[Ernesto-Perez-Rueda :Book Chapters | <font face="trebuchet ms" style="color:#ffffff"> '''Book Chapters''' </font>]] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
[[Ernesto-Perez-Rueda :Dissemination | <font face="trebuchet ms" style="color:#ffffff"> '''Dissemination''' </font>]] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;


*'''Google Scholar''' :  Publications and citations [https://scholar.google.com/citations?hl=en&user=H5fCIIgAAAAJ&view_op=list_works&gmla=AJsN-F6OrAVigGjli3pF68u1xuUSkZmE0OA7xyIuN9xH6pcLpF2nwhTxz1JZVC2a5Si5Gxd8geV4OSHNOlJXerBpju7W4mSsZXV01PzGCOZvH87YAF-DJLG1C3tq_2BSBIn7WFHZFPAi]


*'''Blog''' : Group Blog [http://labcomputationalbiology.blogspot.mx]
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*'''Publications''': Publications  at NCBI [http://www.ncbi.nlm.nih.gov/pubmed/?term=perez-rueda%20e] and at Europe PMC [https://europepmc.org/search?query=perez-rueda+e&page=1&sortby=Date]
=Welcome=


Welcome to the Laboratory of Computational Biology at Merida, Yucatan. Mexico [https://en.wikipedia.org/wiki/M%C3%A9rida,_Yucat%C3%A1n]


I work in the "''Instituto de Biotecnologia''[http://www.ibt.unam.mx]" at ''Universidad Nacional Autonoma de Mexico[http://www.unam.mx]''.  I have interest on Gene Regulation, Genomics, Evolution of metabolism, and Bioinformatics.


==Education==
We are centered on understanding gene regulation and metabolism including computational approaches. In this regard, our work on Gene regulation involves the analysis of DNA-binding transcription factors in Archaea and Bacteria cellular domains. Our approach considers the identification of TFs by the design of family-specific HMM models and by the search with models deposited in diverse databases. We have identified and evaluated the repertories of TFs in three bacterial models: '''Escherichia coli K12''' [https://en.wikipedia.org/wiki/Escherichia_coli], '''Bacillus subtilis 168''' [https://en.wikipedia.org/wiki/Bacillus_subtilis] and '''Staphylococcus aureus''' [https://en.wikipedia.org/wiki/Staphylococcus_aureus].
<!--Include info about your educational background-->
* 1999, PhD Biomedical Sciences, Centro de Investigacion Sobre Fijacion de Nitrogeno [http://www.ccg.unam.mx], UNAM
* 1997, MS Biomedical Sciences, Centro de Investigacion Sobre Fijacion de Nitrogeno [http://www.ccg.unam.mx], UNAM
* 1995, BS Biology, Facultad de Ciencias[http://www.fciencias.unam.mx/], UNAM




==Lab Members / Research interests==
In addition, we explore the use of network approaches to analyze the evolution of metabolism. From this perspective and using large-scale genomic and bioinformatics tools, eleven different amino acid pathways have been proposed as ancestral to bacteria, archaea, and eukarya, closer to the last common ancestor. We also suggested that Metabolic Pathways have evolved by the recruitment of blocks of enzymes sharing similar catalytic activities.
<!-- Feel free to add brief descriptions to your research interests as well -->


#'''Aniel Brambila Tapia''' / Postdoctoral research / Comparative Genomics.
# Nancy Rivera Gomez / Postdoctoral research / [http://www.ibt.unam.mx/server/PRG.base?tipo:doc,dir:PRG.curriculum,par:nrivera]/ Gene Regulation, Evolution
# Dagoberto Armenta Medina [http://www.ibt.unam.mx/server/PRG.base?tipo:doc,dir:PRG.curriculum,par:darmenta] / Evolution of metabolism
# Patricia Ortegon Cano / Evolution of metabolism, Genetic algorithms design
# Cesar Poot Hernandez  / Evolution of metabolism, Bioinformatics


==Publications==
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53. Rivera-Gomez N, Martinez-Nuñez MA, Pastor N, Rodriguez-Vazquez K, '''Perez-Rueda E'''. 2017. Dissecting the Protein Architecture of DNA-Binding Transcription Factors in Bacteria and Archaea. Microbiology. Aceptado.
 
 
52. Martínez-Romero E, Rodriguez-Medina N, Beltrán-Rojel M, Silva-Sanchez J, Barrios-Camacho H, '''Perez-Rueda E''', Garza-Ramos U. 2017. Genome misclassification of Klebsiella variicola and Klebsiella quasipneumoniae isolated from plants, animals and humans. Salud Pública de México. In press.
 
 
51. Brambila-Tapia, AJL, '''Perez-Rueda E''', Barrios B, Dávalos-Rodríguez NO, Dávalos-Rodríguez IP, Cardona-Muñoz EG, Salazar-Páramo M. 2017.  Identification of beta-lactamases and beta-lactam related proteins in human pathogenic bacteria by comparative proteomics. Current Microbiology. [https://link.springer.com/article/10.1007%2Fs00284-017-1265-3]
 
 
50.      Casella LG, Weiss A,  '''Perez-Rueda E''', Ibarra JA, Shaw LN. 2017. Towards the Complete Proteinaceous Regulome of Acinetobacter baumannii. Microbial Genomics. [http://mgen.microbiologyresearch.org/content/journal/mgen/10.1099/mgen.0.000107]
 
 
49.    Apolinar–Hernández MM, Peña–Ramírez YJ, '''Perez-Rueda E''', Canto-Canché BB, Santos-Briones C, O'Connor-Sánchez A. 2016. Identification and in silico characterization of two novel genes encoding peptidases S8 found by functional screening in a metagenomic library of Yucatán underground water. Gene 593(1):154–161. [http://www.sciencedirect.com/science/article/pii/S0378111916306254]
 
 
48. Reyes-Perez A, Vargas MC, Hernandez M, Aguirre-von-Wobeser E, '''Perez-Rueda E''', Encarnacion S. 2016. Transcriptomic analysis of the process of biofilm formation in Rhizobium etli CFN42. Archives of Microbiology. 198(9):847–860. [http://link.springer.com/article/10.1007/s00203-016-1241-5]
 
 
47. Brambila-Tapia, AJL, Poot-Hernandez CA, '''Perez-Rueda E''', Rodriguez-Vazquez K. 2016. Identification of DNA methyltransferase genes in human pathogenic bacteria by comparative genomics. Indian Journal of Microbiology, 56, 134-141. [http://link.springer.com/article/10.1007/s12088-015-0562-4?wt_mc=internal.event.1.SEM.ArticleAuthorOnlineFirst]
 
 
46.Martinez-Nuñez MA, '''Perez-Rueda E'''. 2016. Do lifestyles influence the presence of promiscuous enzymes in bacteria and Archaea metabolism?. Sustainable Chemical Processes. 4:3. [http://sustainablechemicalprocesses.springeropen.com/articles/10.1186/s40508-016-0047-8].
 
 
45. Gama-Castro S, Salgado H, Santos-Zavaleta A, Ledezma-Tejeida D, Muñiz-Rascado L, García-Sotelo J, Alquicira-Hernández K, Martínez-Flores I, Pannier, L, Castro-Mondragón J, Medina-Rivera A, Solano-Lira H, Bonavides-Martínez C, '''Perez-Rueda E''', Alquicira-Hernández S; Porrón-Sotelo L, López-Fuentes A, Hernández-Koutoucheva A, del Moral-Chávez V, Rinaldi F, Collado-Vides J.  2016. RegulonDB version 9.0: High-level integration of gene regulation, coexpression, motif clustering, and beyond. Nucleic Acids Research. 44(D1):D133-D143. [http://dx.doi.org/10.1093/nar/gkv1156]
 
 
44. Poot-Hernandez CA, Rodriguez-Vazquez K, '''Perez-Rueda E'''. 2015. The alignment of enzymatic steps reveals similar metabolic pathways and probable recruitment events in Gammaproteobacteria. BMC Genomics. 16:957 [http://www.biomedcentral.com/1471-2164/16/957].
 
 
43. '''Perez-Rueda E''', Ibarra JA. 2015. Distribution of putative xenogeneic silencers in prokaryote genomes. Computational Biology and Chemistry. 58:167-172. [http://www.sciencedirect.com/science/article/pii/S147692711530058X]
 
 
42. Martinez-Nuñez MA, Rodriguez-Vazquez K, '''Perez-Rueda E'''. 2015 “The lifestyle of prokaryotic organisms influences the repertoire of promiscuous enzymes. Proteins: Structure, Function, and Bioinformatics. In press. [http://onlinelibrary.wiley.com/doi/10.1002/prot.24847/abstract]
 
 
41. '''Perez-Rueda E''', Tenorio-Salgado,S, Huerta-Saquero A, Balderas-Martinez Y, Moreno-Hagelsieb. 2015. The functional landscape bound to the transcription factors of Escherichia coli K-12. Computational Biology and Chemistry. 6;58:93-103. [http://www.sciencedirect.com/science/article/pii/S1476927115300232]
 
* Comment on Atlas of Science: Escherichia coli K-12 as a model to understand gene regulation. 2015. [http://atlasofscience.org/escherichia-coli-model-gene].
 
 
40. Ortegon P, Poot-Hernandez AC, '''Perez-Rueda E''', Rodríguez-Vazquez K, . 2015. Comparison of metabolic pathways in Escherichia coli by using genetic algorithms. Computational and Structural Biotechnology Journal, 13, 277-285. [http://www.sciencedirect.com/science/article/pii/S2001037015000203]
 
 
39. Pastor N, Dávila, '''Perez-Rueda E''', Segovia L, Martínez-Anaya. 2015. Electrostatic analysis of bacterial expansins. Proteins: Structure, Function, and Bioinformatics, 83, 215-223. [http://onlinelibrary.wiley.com/doi/10.1002/prot.24718/abstract]
 
 
38. Armenta-Medina D, Segovia L, '''Perez-Rueda E'''. 2014. Comparative genomics of nucleotide metabolism: a tour to the past of the three cellular domains of life. BMC Genomics.  15:800. [http://www.biomedcentral.com/1471-2164/15/800/abstract]
 
 
37. Avila-Mendoza J, Carranza M, '''Perez-Rueda E''', Luna M, Aramburo C. 2014. Characterization of pituitary growth hormone and its receptor in the green iguana (Iguana iguana). General and Comparative Endocrinology. 203, 281-295. [http://www.sciencedirect.com/science/article/pii/S0016648014001397]
 
 
36. Brambila-Tapia, AJL, '''Perez-Rueda E'''. 2014. A functional and phylogenetic comparison of Quorum Sensing related genes in Brucella melitensis 16M. Journal of Microbiology. 52, 709-715. [http://link.springer.com/article/10.1007/s12275-014-3570-x]
 
 
35. Brambila-Tapia, AJL, Armenta-Medina D, Rivera-Gomez N, '''Perez-Rueda E'''. 2014. Main functions and taxonomic distribution of virulence genes in Brucella melitensis 16M. PLoS ONE, 9, e100349. [http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0100349]
 
 
34. Freyre-González JA, Manjarrez-Casas AM, Merino E,  Martinez-Nuñez MA, '''Perez-Rueda E''', Gutiérrez-Ríos RM. Lessons from he modular organization of the transcriptional regulatory network of Bacillus subtilis. BMC Systems Biology 2013, 7:127 [http://www.biomedcentral.com/1752-0509/7/127/abstract]
 
 
33. Martinez-Nuñez MA, Poot-Hernandez AC, Rodríguez-Vazquez K, '''Perez-Rueda E'''. 2013. Increments and duplication events of enzymes and transcription factors influence metabolic and regulatory diversity in prokaryotes. PLoS ONE. 8(7): e69707. [http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0069707]
 
 
32. Balderas-Martínez YI, Savageau M, Salgado H, '''Perez-Rueda E''',  Morett E, Collado-Vides J. 2013. Transcription factors in Escherichia coli prefer the holo conformation. PLoS ONE. 8(6): e65723 [http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0065723]
 
 
31. Ibarra JA, '''Perez-Rueda E''', Carroll RK, Shaw LN. 2013. Global Analysis of Transcriptional Regulators in Staphylococcus aureus. BMC Genomics, 14:126. [http://www.biomedcentral.com/1471-2164/14/126/abstract]
 
 
30. Tenorio-Salgado S, Tinoco R, Vazquez-Duhalt R, Caballero-Mellado J, '''Perez-Rueda E'''. 2013. Identification of volatile compounds produced by the bacterium Burkholderia tropica that inhibit the growth of fungal pathogens. Bioengineered. 4(4):1–8. [http://www.landesbioscience.com/journals/bioe/article/23808]
 
 
29. Ibarra JA, García-Zacarias CM, Lara-Ochoa C, Carabarin-Lima A, Tecpanecatl S, '''Perez-Rueda E''', Martínez-Laguna Y, Puente JL. 2013. Further characterization of functional domains of PerA, role of amino and carboxy terminal domains in DNA binding. PLoS ONE 8(2): e56977. [http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0056977].
 
 
28. Huerta-Saquero A, Evangelista-Martínez Z, Moreno-Enriquez A,'''Perez-Rueda E'''. 2013. Rhizobium etli asparaginase II: An alternative for acute lymphoblastic leukemia (ALL) treatment. Bioengineered. 4(1). [https://www.landesbioscience.com/journals/bioe/article/21710/]
 
 
27. '''Perez-Rueda E''', Martinez-Nuñez M.A. 2012. The Repertoire of DNA-Binding Transcription Factors in Prokaryotes: Functional and Evolutionary Lessons. Science Progress. 95:315-329. [http://www.ingentaconnect.com/content/stl/sciprg/2012/00000095/00000003/art00005?token=005b1e49bc2a53709bc35f7e2a46762c6b635d76766c257b3a446c24673f7b2f267738703375686f4919ff0787f]
 
 
26. Moreno-Enriquez, A. Evangelista-Martínez, Z. González-Mondragón, E. Calderon-Flores, A. Arreguin, R. '''Perez-Rueda E'''.  Huerta-Saquero, A. 2012. Biochemical characterization of recombinant L-asparaginase (AnsA) from Rhizobium etli, a member of an increasing Rhizobial-type family of L-asparaginases. J. Microbiol. Biotechnol. 22:292–300. [http://www.jmb.or.kr/journal/paper_view.html?book=&tops=&start=0&scale=15&key=&key_word=&Vol=&Num=&PG=&year1=&year2=&sort=&aut_box=&sub_box=&sos_box=&key_box=&pub_box=&abs_box=&mod=&mnum=3975]
 
 
25. Tenorio-Salgado,S.  Huerta-Saquero,A. '''Perez-Rueda E'''. 2011.  New insights on gene regulation in archaea. Comput. Biol. Chem.  35, 341-346.[http://www.sciencedirect.com/science/article/pii/S1476927111001083].
 
 
24. Knodler, L. Ibarra, JA.'''Perez-Rueda E'''. Yip, C, Steele-Mortimer O. 2011. Coiled-coils domains enhance the membrane association of Salmonella type II effectors. Cellular Microbiology, 13, 1497-1517.[http://dx.doi.org/10.1111/j.1462-5822.2011.01635.x].
 
 
23. Rivera-Gomez,N. Segovia,L. '''Perez-Rueda E'''. 2011. The diversity and distribution of TFs and their partner domains play an important role in the regulatory plasticity in bacteria. Microbiology,  157, 2308-2318.[http://mic.sgmjournals.org/content/early/2011/06/01/mic.0.050617-0].
 
 
22. Santos-Zavaleta A, Gama-Castro MS, '''Perez-Rueda E'''. 2011. A comparative genome analysis of the RpoS Sigmulon. Microbiology, 157, 1393-1401. [http://mic.sgmjournals.org/cgi/content/abstract/mic.0.042937-0v1?maxtoshow=&hits=10&RESULTFORMAT=&author1=perez-rueda&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT].
 
 
21. Armenta-Medina, D. '''Perez-Rueda E.''' Segovia, L. 2011.  Identification of functional motions in the adenylate kinase (ADK) protein family by computational hybrid approaches Proteins, 79, 1662-1671. [http://onlinelibrary.wiley.com/doi/10.1002/prot.22995/abstract].
 
 
20. Chavez-Calvillo,G.  '''Perez-Rueda E.''' Lizama,G. Zuniga Aguilar,J.J. Gaxiola,G. Cuzon,G. Arena-Ortiz,L. 2010. Differential gene expression in Litopenaeus vannamei shrimp in response to diet changes. Aquaculture, 300, 137-141. [http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T4D-4XVK3V4-3&_user=945819&_coverDate=02%2F27%2F2010&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_acct=C000048981&_version=1&_urlVersion=0&_userid=945819&md5=3afaf8039b74fbf069d7ef53fc018b43&searchtype=a|]
 
 
19. '''Perez-Rueda E.''' Janga,S.C. 2010.  Identification and genomic analysis of transcription factors in archaeal genomes exemplifies their functional architecture and evolutionary origin Mol Biol Evol. 27, 1449-1459. [http://www.ncbi.nlm.nih.gov/pubmed/?term=20123795]
 
 
18. Martinez-Nunez,M.A.  '''Perez-Rueda E.'''  Gutierrez-Rios,R.M.  Merino,E. 2010.  New insights into the regulatory networks of paralogous genes Microbiology, 156, 14-22. [http://www.ncbi.nlm.nih.gov/pubmed/?term=19850620]
 
 
17. '''Perez-Rueda E.''' Janga,S.C. Martinez-Antonio,A. 2009. Scaling relationship in the gene content of transcriptional machinery in bacteria Mol Biosystems, 5, 1494-1501. [http://www.ncbi.nlm.nih.gov/pubmed/?term=19763344]
 
 
16. Janga,S.C. '''Perez-Rueda E'''. 2009. Plasticity of transcriptional machinery in bacteria is increased by the repertoire of regulatory families Comput Biol Chem, 33, 261-268. [http://www.ncbi.nlm.nih.gov/pubmed/?term=19632156]
 
 
15. Hernandez-Montes,G. Diaz-Mejia,J.J. '''Perez-Rueda E.''' Segovia,L. 2008. The hidden universal distribution of amino acids biosynthetic networks: a genomic perspective on its origins and evolution Genome Biol, 9, R95.[http://www.ncbi.nlm.nih.gov/pubmed/?term=18541022]
 
 
14. Ibarra,J.A. '''Perez-Rueda E.''' Segovia,L. Puente,J.L. 2008. The DNA-binding domain as a functional indicator: the case of the AraC/XylS family of transcription factors Genetica, 133, 65-76. [http://www.ncbi.nlm.nih.gov/pubmed/?term=17712603]
 
 
13. Sanchez-Flores,A. '''Perez-Rueda E.''' Segovia,L. 2008. Protein homology detection and fold inference through multiple alignment entropy profiles PROTEINS: Structure, Function, and Bioinformatics, 70, 248-256. [http://www.ncbi.nlm.nih.gov/pubmed/?term=17671981]
 
 
12. Hernandez-Mendoza,A. Quinto,C. Segovia,L. '''Perez-Rueda E'''. 2007. Ligand-binding prediction in the resistance-nodulation-cell division (RND) proteins Comput. Biol Chem, 31, 115-123. [http://www.ncbi.nlm.nih.gov/pubmed/?term=17416336]
 
 
11. Diaz-Mejia,J.J. '''Perez-Rueda E.''' Segovia,L. 2007. A network perspective on the evolution of metabolism by gene duplication. Genome Biol, 8, R26. [http://www.ncbi.nlm.nih.gov/pubmed/?term=17326820]
 
 
10. Hernandez-Lucas,I. Ramirez-Trujillo,J.A. Gaitan,M.A. Guo,X. Flores,M. Martinez-Romero,E. '''Perez-Rueda E'''. Mavingui,P. 2006. Isolation and characterization of functional insertion sequences of rhizobia FEMS Microbiol.Lett., 261, 25-31. [http://www.ncbi.nlm.nih.gov/pubmed/?term=16842354]
 
 
9. Moreno-Campuzano,S. Chandra,J.S. '''Perez-Rueda E'''. 2006. Identification and analysis of DNA-binding Transcription Factors in Bacillus subtilis and other Firmicutes- A genomic approach BMC Genomics, 7, 147. [http://www.ncbi.nlm.nih.gov/pubmed/?term=16772031]
 
 
8. Gonzalez AD, Espinosa V, Vasconcelos AT, '''Perez-Rueda E''', Collado-Vides J. 2005. TRACTOR_DB: a database of regulatory networks in gamma-proteobacterial genomes. Nucleic Acids Research.33, 98-102. [http://www.ncbi.nlm.nih.gov/pubmed/?term=15608293]
 
 
7. '''Perez-Rueda E''', Collado-Vides J, Segovia L. 2004. Phylogenetic Distribution of DNA-binding Transcription Factors in Bacteria and Archaea A genomic approach. Computational Biology and Chemistry. 28, 341-350 [http://www.ncbi.nlm.nih.gov/pubmed/?term=15556475]
 
 
6. '''Perez-Rueda E''', Collado-Vides J. 2001. Common history at the origin of the position-function correlation in transcriptional regulators in Archaea and Bacteria. Journal of  Molecular Evolution. 53,172-179. [http://www.ncbi.nlm.nih.gov/pubmed/?term=11523004]
 
 
5. Moreno-Hagelsieb G, Treviño V, '''Perez-Rueda E''', Smith T, Collado-Vides J. 2001 Transcription unit conservation in the three domains of life: a perspective from Escherichia coli. Trends in Genetics. 17,175-177. [http://www.ncbi.nlm.nih.gov/pubmed/?term=11275307]
 
 
4. Salgado H, Santos-Zavaleta A, Gama-Castro S, Millan-Zárate D, Diaz-Peredo E, Sanchez-Solano F,  '''Perez-Rueda E''', Bonavides-Martinez C, Collado-Vides J. 2001. RegulonDB (version 3.2): Transcriptional regulation and operon organization in Escherichia coli K12. Nucleic Acids Research. 29, 72-74. [http://www.ncbi.nlm.nih.gov/pubmed/?term=11125053]
 
 
3. '''Perez-Rueda E,''' Collado-Vides J. 2000. The repertoire of DNA-binding transcriptional regulators in Escherichia coli. Nucleic Acids Research. 28, 1838-1847. [http://www.ncbi.nlm.nih.gov/pubmed/?term=10734204]
 
 
2. Thieffry, D. Huerta AM, '''Perez-Rueda E,''' Collado-Vides J. 1998. From specific gene regulation to genomic networks: a global analysis of transcriptional regulation in Escherichia coli. BioEssays, 20:1-8. [http://www.ncbi.nlm.nih.gov/pubmed/?term=9670816]
 
 
1. '''Perez-Rueda E,''' Gralla J, Collado-Vides J. 1998. Genomic Position Analysis and the Transcription Machinery. Journal of Molecular Biology. 27,165-170. [http://www.ncbi.nlm.nih.gov/pubmed/?term=9466899]
 
== Book Chapters ==
 
 
4. Arena-Ortiz, L. Rojas-Herrera, R. Apodaca-Hernandez, J. '''Perez-Rueda E.''' 2013. Flora Bacteriana en Camarones. En Recursos Genéticos Microbianos en la zona Golfo-Sureste de México. Volumen I. Editores M. Gamboa, R. Rojas. In press.
 
 
3. '''Perez-Rueda, E.''' Rivera-Gomez, N. Martinez-Nunez, MA. Tenorio-Salgado, S. 2012. Evolution of DNA-binding Transcription Factors and Regulatory Networks in Prokaryotes in: Evolution of regulatory networks in bacteria Horizon Scientific Press. [http://www.horizonpress.com/regulatorynetworks]
 
 
2. Hernández-Montes, G. Armenta-Medina, D. '''Perez-Rueda, E.''' 2012. Evolution of metabolism: A network perspective of the amino acid biosynthesis pathways. Encyclopedia of Systems Biology. Springer. [http://www.springerreference.com/docs/html/chapterdbid/308964.html]
 
 
1. Collado-Vides J, Moreno-Hagelsieb G, '''Perez-Rueda, E.''' et al. 2002 Genomics of Gene Regulation: The view from Escherichia coli in: Gene Regulation and Metabolism: Post-Genomic Computational Approaches eds. Collado-Vides J. and Hofestadt R. MIT Press.
 
==Dissemination==
 
 
3. Escherichia coli K-12 as a model to understand gene regulation. 2015. Atlas of Science. [http://atlasofscience.org/escherichia-coli-model-gene].
 
 
2. '''Perez-Rueda E''', Santos-Zavaleta A. Patino-Guerrero EA. 2012. Lo que hay detrás de las biopelículas bacterianas ¿perjudiciales o benéficas? Hypatia, 43. [http://hypatia.morelos.gob.mx/index.php?option=com_content&task=view&id=843&Itemid=814] ''In spanish''.
 
 
1. '''Perez-Rueda E''' 2011. Lo conocido de los desconocidos microbios llamados “Arqueas”. Hypatia. [http://hypatia.morelos.gob.mx/index.php?option=com_content&task=view&id=713&Itemid=657]. ''In spanish''.
 
==Useful links==
*[[OpenWetWare:Welcome|Introductory tutorial]]
*[[Help|OpenWetWare help pages]]
*[[http://www.ibt.unam.mx| Instituto de Biotecnologia, UNAM]]

Latest revision as of 16:25, 23 February 2024

This site is in development. Please see our IIMAS - UNAM homepage, the Encyclopedia of well-known Transcription Factors in Bacteria and Archaea: ENTRAF Database [1], Gene Regulatory Network server (GRN)[2] or [3], and CDBPROM [4]



Contact        Education        Lab Members        Publications        Book Chapters        Dissemination       



Welcome

Welcome to the Laboratory of Computational Biology at Merida, Yucatan. Mexico [5]


We are centered on understanding gene regulation and metabolism including computational approaches. In this regard, our work on Gene regulation involves the analysis of DNA-binding transcription factors in Archaea and Bacteria cellular domains. Our approach considers the identification of TFs by the design of family-specific HMM models and by the search with models deposited in diverse databases. We have identified and evaluated the repertories of TFs in three bacterial models: Escherichia coli K12 [6], Bacillus subtilis 168 [7] and Staphylococcus aureus [8].


In addition, we explore the use of network approaches to analyze the evolution of metabolism. From this perspective and using large-scale genomic and bioinformatics tools, eleven different amino acid pathways have been proposed as ancestral to bacteria, archaea, and eukarya, closer to the last common ancestor. We also suggested that Metabolic Pathways have evolved by the recruitment of blocks of enzymes sharing similar catalytic activities.