Students supported by The Bashan Foundation

Edgar Amavizca Name: Edgar Amavizca
Degree: Ph.D.
Years: 2018-Present
Graduate school: The Center for Biological Research of the Northwest. La Paz, Mexico.
Thesis: Synthetic mutualism: Relevance of bacteria-microalgae adhesion and importance of Chlorella sorokiniana phycosfere in Azospirillum brasilense metabolism
Name: Violeta Iglesias Pretelin
Degree: M.Sc.
Years: 2017-Present
Thesis: Cambios de la fertilidad del suelo, como resultado de la restauración asistida por microorganismos en El Comitán, La Paz, BCS.
Violeta Iglesias
Name: Cristina Galaviz
Degree: Ph.D.
Years: 2017-Present
Graduate school: The Center for Biological Research of the Northwest. La Paz, Mexico.
Thesis: Abiotic and biotic factors related to the proliferation of Vibrio spp., cause of AHPND in white shrimp Litopenaeus vannamei Boone.
Cristina Galaviz
Oskar

Oskar is preparing his experiments on the effect of vitamins on A. brasilense

Name: Oskar Palacios Lopez
Degree: D.Sc. in: Use,management and conservation of natural resources
Years: 2011-2015
Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
Thesis: Study of microalgae-bacteria interaction on thiamine and tryptophan production by Chlorella sorokiniana and their effect on IAA biosynthesis by Azospirillum brasilense.
Type of support: Financial and scientific advising
Publications from thesis:
  • Palacios, O.A., Gomez-Anduro, G., Bashan, Y., and de-Bashan, L.E. 2016. Tryptophan, thiamine and indole-3-acetic acid exchange between Chlorella sorokiniana and the plant growth-promoting bacterium Azospirillum brasilense. FEMS Microbiology Ecology. 92: fiw077. doi: 10.1093/femsec/fiw077.

  • Palacios, O.A., Choix, F.J., Bashan, Y, de-Bashan, L.E. 2016. Influence of tryptophan ans indole-3-acetic acid on starch accumulation in the synthetic mutualistic Chlorella sorokiniana ? Azospirillum brasilense system under heterotrophic conditions. Research in Microbiology. 167:367-379.

  • Palacios, O.A., Bashan, Y., and de-Bashan, L.E. 2014. Proven and potential involvement of vitamins in interactions of plants with plant growth-promoting bacteria? An overview. Biology and Fertility of Soils 50: 415-432

  • Palacios, O. A., Bashan, Y., Schmid, M., Hartmann, A., de-Bashan, L. E. 2016. Enhancement of thiamine release during synthetic mutualism between Chlorella sorokiniana and Azospirillum brasilense growing under stress conditions. Journal of Applied Phycology. 28: 1521-1531.

  • Name: Edisa Garcia
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2012-2015
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Study of the structure and physiological profile of the soil bacterial community in the mesquite (Prosopis articulata) resource islands in relation with the plant diversity
    Type of support: Financial and scientific advising
    Publication from thesis:
    Garcia, E.D., R. Lopez, B., de-Bashan, L.E., Hirsch, A.M., Maymon, M., and Bashan, Y. 2017. Functional metabolic diversity of the bacterial community in undisturbed resource island soils in the southern Sonoran Desert. Land Degradation and Development. doi: 10.1002/ldr.2905.

    Edisa Garcia

    Cristina galviz

    Name: Cristina Galaviz Bustamante
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2012-2015
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Changes in soil fertility and in the bacterial community of the rhizosphere of mesquite after inoculation with plant growth-promoting bacteria aimed to restore eroded desert soils.
    Type of support: Financial and scientific advising
    Publication from thesis:
  • Galaviz, C., R. Lopez, B., de-Bashan, L.E., Hirsch, A.M., Maymon, M., and Bashan, Y. 2017. Root growth improvement of mesquite seedlings and bacterial rhizosphere and soil community changes are induced by inoculation with plant growth-promoting bacteria and promote restoration of eroded desert soil. Land Degradation and Development. doi: 10.1002/ldr.2904.
  • Leyva, L.A., Bashan Y., Mendoza, A., and de-Bashan, L.E. 2014. Root growth improvement of mesquite seedlings and bacterial rhizosphere and soil community changes are induced by inoculation with plant growth-promoting bacteria and promote restoration of eroded desert soil. Naturwissenschaften 101:819-830
  • Name: Luis Alonso Leyva
    Degree: D.Sc. in: Use,management and conservation of natural resources
    Years: 2009-2014
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Accumulation of lipids and fatty acids in the microalgae Chlorella vulgaris co-immobilized in alginate beads with Azospirillum brasilense in relation to cultivation conditions.
    Type of support: Financial and scientific advising
    Publications from thesis:
  • Leyva, L.A., Bashan Y., Mendoza, A., and de-Bashan, L.E. 2014. Accumulation of fatty acids in Chlorella vulgaris under heterotrophic conditions in relation to activity of acetyl-CoA carboxylase, temperature, and co-immobilization with Azospirillum brasilense. Naturwissenschaften 101:819-830

  • Leyva, L.A., Bashan Y., and de-Bashan, L.E. 2015. Activity of acetyl-CoA carboxylase is not directly linked to accumulation of lipids when Chlorella vulgaris is co-immobilised with Azospirillum brasilense in alginate under autotrophic and heterotrophic conditions. Annals of Microbiology 65: 339-349

  • Luis Alonso Leyva

    Luis is preparing raw-fish cocktail (ceviche) for the traditional Christmas party .

    edgar amavizca

    Name: Edgar Amavizca Valdez
    Degree: M.Sc. in: Use,management and conservation of natural resources
    years: 2011-2014
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Evaluation of remote effects of plant growth-promoting bacteria on the microalgae Chlorella vulgaris
    Type of support: Financial and scientific advising
    Publication from thesis:
  • Amavizca, E., Bashan, Y., Ryu, C.-M., Farag, M.A., Bebout, B.M., and de-Bashan, L.E. 2017. Enhanced performance of the microalga Chlorella sorokiniana remotely induced by the plant growth-promoting bacteria Azospirillum brasilense and Bacillus pumilus. Scientific Reports. 7: 41310. doi: 10.1038/srep41310.
  • Name: Emmanuel Vidana Avila
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2011-2014
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Effect of glycerol as carbon source in the immobilized system of microalgae-bacteria under heterotrophic conditions for removing ammonium and phosphate.
    Type of support: Financial and scientific advising
    emmanunel vidana

    Name: Francisco Javier Choix Ley
    Degree: D.Sc. in: Use,management and conservation of natural resources
    Years: 2010-2014
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Evaluation of accumulation of carbohydrates in the microalgae Chlorella spp. associated with the bacterium Azospirillum brasilense
    Type of support: Financial and scientific advising
    Publications from thesis:
    • Palacios, O.A., Choix, F.J., Bashan, Y, de-Bashan, L.E. 2016. Influence of tryptophan ans indole-3-acetic acid on starch accumulation in the synthetic mutualistic Chlorella sorokiniana ? Azospirillum brasilense system under heterotrophic conditions. Research in Microbiology. 167:367-379.

    • Choix, F.J., Bashan, Y., Mendoza, A., and de-Bashan, L.E. 2014. Enhanced activity of ADP glucose pyrophosphorylase and formation of starch induced by Azospirillum brasilense in Chlorella vulgaris. Journal of Biotechnology 177: 22-34

    • Choix, F. J., de-Bashan, L.E. and Bashan, Y. 2012 Enhanced accumulation of starch and total carbohydrates in alginate-immobilized Chlorella spp. induced by Azospirillum brasilense: I. Autotrophic conditions. Enzyme and Microbial Technology 51: 294-299

    • Choix, F. J., de-Bashan, L.E. and Bashan, Y. 2012 Enhanced accumulation of starch and total carbohydrates in alginate-immobilized Chlorella spp. induced by Azospirillum brasilense: II. Heterotrophic conditions. Enzyme and Microbial Technology 51: 300-309

    francisco javier choix ley

    Francisco Choix is measuring pH and accumulation of carbohydrates in the microalga Chlorella vulgaris coimmobilized with Azospirillum brasilense

    Beatriz meza
    Name: Beatriz Meza Marquez
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2010-2013
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Effect of indole-3-acetic-acid-producing bacterium Azospirillum brasilense on the microalga Chlorella vulgaris related to ammonium removal from synthetic wastewater treatment.
    Type of support: Financial and scientific advising
    Publications from thesis:
  • Meza, B., de-Bashan, L. E., and Bashan, Y. 2015 Involvement of indole-3-acetic acid produced by Azospirillum brasilense in accumulating intracellular ammonium in Chlorella vulgaris. Research in Microbiology 166: 72-83

  • Meza, B., de-Bashan, L. E., Hernandez, J. P., and Bashan, Y. 2015 Accumulation of intra-cellular polyphosphate in Chlorella vulgaris cells is related to indole-3-acetic acid produced by Azospirillum brasilense. Research in Microbiology 166: 399-407

  • Name: Ivonne Cruz Santander
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2010-2012
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Evaluation in situ of the immobilized system Chlorella vulgaris-Azospirillum brasilense during tertiary wastewater treatment.
    Type of support: Financial and scientific advising
    Publication from thesis:
  • Cruz, I., Bashan, Y., Hernandez-Carmona, G., and de-Bashan, L.E. 2013. Biological deterioration of alginate beads containing immobilized microalgae and bacteria during tertiary wastewater treatment. Applied Microbiology and Biotechnology 97: 9847-9858.

  • ivonne cruz santander

    Ivonne Cruz measuring phosphorus and ammonium obtained from a photobioreactor and heterotrophic bioreactor treating wastewater with the microalgae Chlorella vulagris.

    mangrove, restored, Balandra
    Alejandra Vovides is measuring salinity in
    the restored mangrove ecosystem at Balandra
    Lagoon, near the city of La Paz,
    Baja California Sur, Mexico.
    Name: Alejandra Vovides
    Degree: D.Sc. in: Use,management and conservation of natural resources
    Years: 2006-2011
    Graduate school: Ecology Institute, Xalapa, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Nitrogen fixation in disturbed, reforested and conserved mangroves in arid and tropical zones of Mexico.
    Type of support: Financial and scientific advising
    Publications from thesis:
  • Vovides, A. G., Bashan, Y., Lopez-Portillo, J. A. and Guevara, R. 2011 Nitrogen fixation in preserved, reforested, naturally regenerated and impaired mangroves as an indicator of functional restoration in mangroves in an arid region of Mexico. Restoration Ecology 19: 236-244

  • Vovides, A.G., Lopez-Portillo, J., and Bashan, Y. 2011. N2-fixation along a gradient of long-term disturbance in tropical mangroves bordering the gulf of Mexico. Biology and Fertility of Soils 47: 567-576

  • Name: Sergio Hernandez Covarrubias
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2009-2011
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Interaction of the jointly immobilized microalga-bacteria system with the microbial community of domestic wastewater .
    Type of support: Financial and scientific advising
    Publication from thesis:
  • Covarrubias, S.A., de-Bashan, L.E., Moreno, M., and Bashan, Y. 2012. Alginate beads provide a beneficial physical barrier against native microorganisms in wastewater treated with immobilized bacteria and microalgae. Applied Microbiology and Biotechnology 93: 2669-2680
    The definitive version is available electronically on SpringerLink: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s00253-011-3585-8
  • Sergio Hernandez Covarrubias
    Sergio is thinking about his
    next year and next experiments
    with microalgae.
    chlorella, FISH, DGGE, restoration
    Adan preparing a gel for PCR.
    Name: Adan Trejo
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2007-2010
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: The potential use of microbiological residues from biological wastewater treatment; their application as inoculant for improvement of eroded soils.
    Type of support: Financial and scientific advising
    Publications from thesis:
    • Trejo, A., de-Bashan, L. E., Hartmann, A., Hernandez, J.P., Rothballer, M., Schmid, M. and Bashan, Y. 2012. Recycling waste debris of immobilized microalgae and plant growth-promoting bacteria from wastewater treatment as a resource to improve fertility of eroded desert soil. Environmental and Experimental Botany 75 : 65-73

    • Lopez, B.R., Bashan, Y., Trejo, A., and de-Bashan, L.E. 2013. Amendment of degraded desert soil with wastewater debris containing immobilized Chlorella sorokiniana and Azospirillum brasilense significantly modifies soil bacterial community structure, diversity, and richness. Biology and Fertility of Soils 49: 1053-1063

    Name: Blanca Estela Romero Lopez
    Degree: D.Sc. in: Use,management and conservation of natural resources
    Years: 2004-2009
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Effect of plant-endophytes interaction on rock weathering.
    Type of support: Financial and scientific advising
    Publications from thesis:
     acetylene, mammillaria
    Blanca injecting acetylene to her mammilaria
    samples to determine nitrogen fixation.
    wastewater, phototrophic, chlorella
    Octavio analyzing dissolved oxygen in some
    samples of wastewater from the wastewater
    treatment plant of La Paz, Mexico.
    Name: Octavio Perez
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2006-2009
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Heterotrophic growth of Chlorella vulgaris coimmobilized with Azospirillum brasilense in alginate beads to remove nitrogen and phosphorus from wastewater.
    Type of support: Financial and scientific advising
    Publications from thesis:
    • Perez-Garcia, O., de-Bashan, L.E., Hernandez, J.-P., and Bashan, Y. 2010. Efficiency of growth and nutrient uptake from wastewater by heterotrophic, autotrophic, and mixotrophic cultivation of Chlorella vulgaris immobilized with Azospirillum brasilense. Journal of Phycology 46: 800-812

    • Perez-Garcia, O., Escalante, F.M.E., de-Bashan L.E., and Bashan, Y. 2011. Heterotrophic cultures of microalgae: Metabolism and potential products. Water Research 45: 11-36. The definitive version is available at: http://www.elsevier.com

    • Perez-Garcia, O., Bashan, Y., and Puente M.E. 2011. Organic carbon supplementation of sterilized municipal wastewater is essential for heterotrophic growth and removing ammonium by the microalga Chlorella vulgaris. Journal of Phycology 47: 190-199.
    Name: Adan Trejo
    Degree: Diploma in Biology
    Years: 2005-2006
    Graduate school: The Autonomus Metropolitan University (UAM), Xochimilco, Mexico City, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Characterization of Chlorella sorokiniana LAP1, a heat and solar-radiation tolerant microalgae, for wastewater treatment under extreme desert conditions.
    Type of support: Financial and scientific advising.
    Publication from thesis:
  • de-Bashan, L.E., Trejo, A., Huss, V.A.R., Hernandez, J.-P. Bashan, Y. 2008. Chlorella sorokiniana UTEX 2805, a heat and intense, sunlight-tolerant microalga with potential for removing ammonium from wastewater. Bioresource Technology 99: 4980-4989


  • Juan Pablo Hernandez (left) and Adan Trejo (right) evaluating a high light intensity- high temperature photobioreactor for wastewater treatment with microalgae.


    Luis Leyva and Claudia Rojas are constructing an
    anti-herbivorous metal fence in a field experiment
    using native desert trees to protect the newly planted seedlings (2004).
    Name: Luis A. Leyva
    Degree: M.Sc. in: Use,management and conservation of natural resources
    Years: 2003-2006
    Graduate school: The Center for Biological Research of the Northwest, La Paz, Mexico
    Location of thesis work: The Center for Biological Research of the Northwest, La Paz, Mexico
    Thesis: Effect of gluconic acid on its metabolic enzymes in the plant growth-promoting bacterium Azospirillum brasilense Cd associated with mesquite trees.
    Type of support: Financial and scientific advising
    Publication from thesis:
    • Leyva L.A. and Bashan, Y. 2008. Activity of two catabolic enzymes of the phosphogluconate pathway in mesquite roots inoculated with Azospirillum brasilense Cd. Plant Physiology and Biochemistry 46 : 898-904

    Luis Leyva is helping to eradicate an invasive grass
    in CIBNOR field preserve to make room for
    re-vegetation with native plants (2003).