Dr. Carlos Ríos Velázquez 

Ph.D en Microbiología, Universidad de Wisconsin


Horas de Oficina (2do semestre 2018-2019)

  • Martes y jueves, 8:30-10:30am, 1:30-2:30pm


Áreas de Interés/Especialidad

  • Microbiología
  • Geobiología
  • Metagenómica
  • Biotecnología Microbiana



  • BIOL 4368 (Fisiología Microbiana)
  • BIOL 4993 (Temas Especiales en Biología I)
  • BIOL 6011 (Principios de Metagenómica)
  • BIOL 6012 (Lab Principios de Metagenómica)
  • BIOL 6993 (Temas Especiales en Biología I- graduado)
  • BIOL 4901 (Problemas Especiales en Biología I)
  • BIOL 4902 (Problemas Especiales en Biología II)
  • BIOL 6990 (Tesis)


Proyectos de investigación en progreso

  • Bioprospecto



  • Isenbargar, T. A., Finney, M., Rios-Velazquez, C., Handelsman, J., and Ruvkun, G. 2008. Miniprimer PCR, a New Lens for Viewing the Microbial World. Environ. Microbiol. 74(3): 840-849.
  • Maria F. Rojas-Duran, Rebecca Vazquez and Carlos Rios-Velazquez. Molecular and Morphological Characterization of Rhodobacter sphaeroides Bacteriophages from Puerto Rico. Caribbean Journal Science. 54(1).
  • Loperena-Alvarez, Y., P. Ren, X. Li, D.J. Bopp, A. Ruiz, V. Chaturvedi, and C. Rios-Velazquez. Genotypic Characterization of Environmental Isolates of Cryptococcus gattii from Puerto Rico Mycopathologia. PMID: 20306144.
  • Malave-Orengo, Eva N. Rubio-Marrero and C. Rios-Velazquez. 2011. Isolation and characterization of bioluminescent bacteria from marine environments of Puerto Rico. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Vol. 1 (2),103-108.
  • Soto-Feliciano, M. De Jesús, J. Vega- Sepúlveda and C. Ríos-Velázquez. 2011. Isolation and characterization of purple non-sulfur anoxyphototropic bacteria from two microecosystems: tropical hypersaline microbial mats and bromeliads phytotelmata. . Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Vol. 1 (2), 109-116.
  • Cardona-Cardona, David Arroyo, J. Schellekens and C. Rios-Velazquez. 2011. Characterization of blue pigmented bacteria isolated from Puerto Rico. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Vol. 1 (2), 117-123.
  • José M. Cruz, Manuel A. Ortega, Jean C. Cruz, Pedro Ondina, Rossivette Santiago, and Carlos Ríos-Velázquez. Unraveling activities by functional-based approaches using metagenomic libraries from dry and rain forest soils in Puerto Rico. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Vol. 2 (2), 1471-1478.
  • Malave-Orengo, S. E. Borglin, T. C. Hazen and C. Rios-Velazquez. 2011. A modified cell extraction method to access microbial community structure in soil samples by phospholipid fatty acid analysis. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Vol. 2 (2), 1562-1568.
  • Torres-Zapata, A. Gonzalez-Montalvo, C. Castro-Ruiz and C. Rios-Velazquez. 2011. Generation of large insert metagenomic libraries using indirect DNA extraction methods from benthic and ephemeral tropical hypersaline microbial mats. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Vol. 2 (2), 1569-1575.
  • Brodie EL, Joyner DC, Faybishenko B, Conrad ME, Rios-Velazquez C, Malave J, Martinez R, Mork B, Willett A, Koenigsberg S, Herman DJ, Firestone MK, Hazen TC. Chemosphere. 2011 Microbial community response to addition of polylactate compounds to stimulate hexavalent chromium reduction in groundwater. 85(4):660-5. Epub 2011 Aug 27. PMID:21872904.
  • Brodie, E.L., Joyner D. C., Faybishenko B., Conrad M. E., Rios-Velazquez C., Mork B., Willet A., Koenigsberg S., Herman D., Firestone M. K., Hazen T. C., Malave J. 2011. Evaluation of sustained release polylactate electron donors for removal of hexavalent chromium from contaminated groundwater. 85 (4).
  • Hilsamar Félix-Rivera , Roxannie González, Gabriela Del Mar Rodríguez, Oliva M. Primera-Pedrozo, Carlos Ríos-Velázquez, and Samuel P. Hernández-Rivera. “Improving SERS Detection of Bacillus thuringiensis Using Silver Nanoparticles Reduced with Hydroxylamine and with Citrate Capped Borohydride,” International Journal of Spectroscopy, vol. 2011, Article ID 989504, 9 pages, 2011. doi:10.1155/2011/989504.
  • Rios-Velazquez, C., L.L. Williamson, K.A. Cloud-Hansen, H.K. Allen, M.D. McMahon, Z.L. Sabree, J.J. Donato, and J. Handelsman. 2011. Summer workshop in metagenomics: one week plus eight students equals gigabases of cloned DNA. Journal of Microbiology Biology Education. DOI: 10.1128/jmbe.v12i2.177.
  • Ríos-Velázquez, Carlos, W. J. Frey, E. Jaramillo-Giraldo, and M. Echeverry-Solarte. Accepting the Likelihood of Ambiguity and Disagreement on Moral Matters. Transitioning into the “Gray World”. Teaching Ethics. 13(2): 55-72. DOI: 10.5840/tej20131324.
  • Padilla-Jiménez A.C., Ortiz-Rivera W., Castro-Suarez J.R., Ríos-Velázquez C., Vázquez-Ayala I., Hernández-Rivera S.P. 2013. Microorganisms Detection on Substrates using QCL Spectroscopy. Proc SPIE. 8710:871019-1 – 871019-12.
  • Padilla-Jiménez, A.C; W. Ortiz-Rivera; C. Rios-Velazquez; I. Vazquez-Ayala, and S.P. Hernández-Rivera. Detection and discrimination of microorganisms on various substrates with quantum cascade laser spectroscopy. Optical Engineering 53(6), 061611-01 – 061611-10.
  • Cardona-Correa A., and C. Rios-Velazquez. Profiling lethal factor interacting proteins from human stomach using T7 phage display screening. Molecular Medicine Reports. 13:3797-3804. DOI: 10.3892/mmr.2016.5031.
  • Castellanos J, Rios-Velazquez C, Morales F, Miranda-Berrocales V, Liquet-Gonzalez J, Cortez I, Padilla, R, Vega-Olivencia CA, & Hernández-Rivera PA. 2016. Cyclic voltammetry as a screening tool for the fungal degradation of 2,4,6-trinitrotoluene in aqueous media. International Journal of Environmental Analytical Chemistry. 96 (10) 978–989.
  • Padilla-Del Valle R., L.R. Morales-Vale and C. Rios-Velazquez. Unraveling the microbial and functional diversity of Coamo thermal spring in Puerto Rico using metagenomic library generation and shotgun sequencing. Genomics Data. 11, 98-101.
  • Rodriguez-Nuñez, K.M., J.M. Rullan-Cardec and C. Rios-Velazquez. The metagenome of bromeliads phytotelma in Puerto Rico. J. Data in Brief. 16, 19-22. https://doi.org/10.1016/j.dib.2017.10.065.
  • Rabelo-Fernandez R.J., K. Santiago, L. Morales-Valeand C. Rios-Velazquez. The metagenome of Caracolus marginella gut microbiome using culture independent approaches and shotgun sequencing. J. Data in Brief. 16, 501-505. https://doi.org/10.1016/j.dib.2017.11.043.
  • Rodriguez-Ramos L.E., C. Rios-Velazquez. Microbiome dataset from Clara Cave and Empalme Sinkhole waters in Puerto Rico. Data in Brief. 21, 1674-1677. https://doi.org/10.1016/j.dib.2018.11.028.
  • Soriano Berliza M., L.M. Del Valle-Perez, L. Morales-Vale and C. Rios-Velazquez. Datasets generated by shotgun sequencing of metagenomic libraries of the Guajataca water reservoir. Data in Brief. 21, 2531-2535. https://doi.org/10.1016/j.dib.2018.11.114.
  • Book: Gonzalez W., D.A. Colon and M.I. Feliu. Ciencia Boricua: Ensayos y Anécdotas del Científico Puertorro. Edic. Callejon, 1ra Ed. 235pp. 

    Two essays:

    1. Bibliotecas metagenómicas: Descubriendo y conservando las riquezas microbianas en los bosques puertorriqueños. P 46
    2. Tapetes Microbianos: Invaluable Tesoro Científico y Ambiental Puertorriqueño. P 66.


    Book: NANOTECHNOLOGY SCIENCE AND TECHNOLOGY SILVER NANOPARTICLES. SYNTHESIS, USES AND HEALTH CONCERNS ILARIA ARMENTANO AND JOSÉ MARIA KENNY EDITORS Chapter 4 page 59. Synthesis and Characterization of Silver Nanoparticles and Nanostructures for SERS Applications. G. M. Herrera-Sandoval, H. Félix-Rivera, A. C. Padilla-Jimenez,Balaguera-Gelves, C. A. Ortega-Zúñiga, L. C. Pacheco-Londoño, O. M. Primera-Pedrozo, P. M. Fierro,C. Ríos-Velázquez and S. P. Hernández-Rivera