Jessica F. Simbahan, Ph.D. Associate Professor 7 Microbiology and Cell Biology Academic Group (MCBAG) Member Ph.D. in Biological Sciences, University of Nebraska Lincoln, USA, 2004 Email: jfsimbahan@up.edu.ph Research Lab: METAS Lab (Microbial Ecology of Terrestrial and Aquatic Systems Laboratory)

BIO 1, Contemporary Topics in Biology
BIO 141, Fundamentals of Microbial Genetics
BIO 163, Microbial Ecology
MICROBIO 211, Microbial Systematics
MICROBIO 241, Advanced Microbial Genetics
MICROBIO 261, Advanced Microbial Ecology
MICROBIO 262, Soil Microbiology
MICROBIO 281, Industrial Microbiology

Microbial Ecology and Biotechnology
Production of Construction Materials Using Microbial Calcite Precipitation
Exploring Earthworm Gut Microorganisms for Useful Enzymes and Compounds
Characterization of a new Streptomyces sp.

Undergraduate
Paul John Joseph Gubalane (Graduated 1st Sem 2017-2018)
Eloisa Victoria Caballero (Graduated 2nd Sem 2018-2019)
Andrei John Salem (Graduated 2nd Sem 2018-2019), cum laude; BS Biology Best Thesis Award; College of Science Best Thesis in Biology Award
John Gabriel Cruz (Graduated 2nd Sem 2019-2020 ) magna cum laude
Cristina Gabrielle Gan (Graduated Mdyr 2020-2021)
Justin Chua (Graduated 2nd Sem 2021-2022) magna cum laude
Jeanny Mae Magana (Graduated 2 nd Sem 2021-2022) magna cum laude
Ivy Mendoza (Graduated 2nd Sem 2021-2022)

MS Students
Edjohn Aaron Macauyag (Graduated 1st Sem 2017-2018)
Raymond Parcon (Graduated 1st Sem 2019-2020
Leizel Atole (Graduated 2nd Sem 2020-2021)
Cyndi Mae Bandong (Graduated 1st Sem 2020-2021)
Jessa Mae Camposano (Graduated 1st Sem 2022-2023)
Andrei John Salem (Graduated 2nd Sem 2022-2023)
Aaron Phillip Reyes (Graduated 2nd Sem 2022-2023)
Keith Sigfred Ancheta (Graduated 2nd Sem 2022-2023)
Sarah Jean Supnet (Graduated Mdyr 2023)
Margareth Del Isagan
Rubee Ellaine Perez
Mae Ann Am-amlam
Laurence Mallari
Mae Celine Sagario
Marc Argentera
Catherine Joyce Orate
Patrick Salvador

• 
  Alcantara, N. R., Mendoza B. C., Sabino, N. G., Simbahan, J. F., Balatibat, J. B., de los Reyes, F. L. III and Hyman, M. R. (2023). Archaeal communities discovered in the phytotelmata of Nepenthes alata Blco. samples as revealed by high-throughput molecular sequencing analysis. International Journal of Agricultural Technology 19(2):355-370. ISSN 2630-0192 (Online)
• 
  Fede Berckx; Cyndi Mae Bandong; Daniel Wibberg; Jörn Kalinowski; Joost Willemse; Andreas Brachmann; Jessica Simbahan; Katharina Pawlowski. 2022. Streptomyces coriariae sp. nov., a novel streptomycete isolated from actinorhizal nodules of Coriaria intermedia, Int. J. Syst. Evol. Microbiol. 2022;72:005603, DOI 10.1099/ijsem.0.005603
• 
  Maloles, JS, Lantican, NB, Simbahan, JF, Trinidad, LC, Zarate, JT, and Elegado, FB. 2022. Isolation, Characterization, and Lipase Production of Lipolytic Yeasts Isolated from Mt. Makiling Forest Reserve, Philippines; International Journal of Biosciences, V21, N3, September, P146-157 ISSN: 2220-6655 (Print), 2222-5234. http://dx.doi.org/10.12692/ijb/21.3.146-157
• 
  Berckx, F, Nguyen, TV, Bandong, CM, Lin, HH, Takashi Yamanaka, T, Katayama, S, Wibberg, D, Blom, J, Kalinowski, J, Tateno, M, Simbahan, J, Liu, CT, Brachmann, A, and Pawlowski, K.2022. A tale of two lineages: how the strains of the earliest divergent symbiotic Frankia clade spread over the world. BMG Genomics 23:602 https://doi.org/10.1186/s12864-022-08838-5
• 
  Arenas, RJB, Villanueva, RMD, Simbahan, JF and MCM Obusan. 2021. Antimicrobial Activity of Endophytic and Rhizospheric Fungi Associated with Soft Fern (Christella sp.) and Cinderella Weed (Synedrella nodiflora) Inhabiting a Hot Spring in Los Baños, Laguna, Philippines. Actamedicaphilippina. DOI: https://doi.org/10.47895/amp.vi0.1417
• 
  Nonillon M. Aspe, Rafael Ethan Manasan, Albert B. Manlavi, Ma. Lotus E. Patiluna, Maria Asela B. Sebido, Marie Christine M. Obusan, Jessica F. Simbahan and Samuel W. James. 2021. The earthworm fauna of Palawan, Philippines with description of nineteen new pheretimoid species (Clitellata: Megascolecidae). J of Nat History, Volume 55 Issue 11-12. Pp733-797. https://doi.org/10.1080/00222933.2021.1923849
• 
  Pleto, JVR, Arboleda, MDM, Migo, VP, Simbahan, JF. 2021. Impacts of Probiotics on Water Quality and Milkfish Production (Chanos chanos) Grown in Polluted Ponds of Marilao and Meycauayan, Bulacan. Science Diliman. Vol 33(1).
• 
  Peralta, JGB, Elegado, FB, Simbahan, JF, Pajares, IG and Dizon EI. 2021. Microbial and metabolite profiles of spontaneous and adjunct-inoculated cacao (Theobroma cacao L.) fermentation. Food Research. Food Research 5(2):331-339.
• 
  Supnet, SJG, Caballero, EVM, Parcon, RH, and Simbahan, JF. 2020. Marilao-Meycauayan-Obando River System (MMORS) Harbors Multidrug-Resistant Bacteria Indicating High Risk of Antimicrobial Contamination. Phil Sci Letters 13(2):189-196.
• 
  Liezel D.C. Atole, Margareth Del E. Isagan, Raymond H. Parcon, Virgie A. Alcantara, Jocelyn T. Zarate, and Jessica F. Simbahan. 2020. Variations in enzymatic activity and response to abiotic factors of endophytic bacteria isolated from Narra (Pterocarpus indicus) growing in a forest environment and urban arboretum. Phil Sci Letters. Vol 13 (Supplement) pp. 109-115.
• 
  Kikongo Marie-Médiatrice Ntabugi, Bahati J. Manegabe, John B. Dewar, Jessica F. Simbahan, Maxima E. Flavier & Christian B. Sekomo. 2020. Synergistic increase in antibiotic resistance with tolerance to cadmium and lead in environmental bacteria isolated from the San Cristobal River, Laguna De Bay, Philippines. Int Jof Environ Studies, DOI: 10.1080/00207233.2020.1834307
• 
  Pleto, JV, Simbahan, JF, Arboleda, MDM, and Migo, VP. 2019. Phytoremediation Potential of Vetiver Grass (Chrysopogon sp.) System for Improving the Water Quality of Aquaculture Ponds along the Marilao and Meycauayan River in Bulacan, Philippines. J of Envi Sci Special Issue-1 2019: 19-26.
• 
  Madigal, J.P.T., Simbahan, J.F., Lantican, N.B., Agrupis, S. and Elegado, F.B. 2019. Yeast and Bacterial Community Profiling of Fermenting Nipa (Nypa fruticans) Sap in Two Philippine Locations and Fermentation Characteristics of Selected Yeasts. Philipp Agric Scientist 102(3):220-229.
• 
  Raymond H. Parcon, Margareth Del E. Isagan, Liezel D.C. Atole, Virgie A. Alcantara and Jessica F. Simbahan. 2019. Bacillus amyloliquefaciens, a Narra (Pterocarpus indicus) leaf endophyte, possesses antifungal activity against phytopathogenic fungi due to laminarinase activity and production of antimicrobial compounds. Phil Sci Letters Special Issue pp 48-54.
• 
  Pleto, JV, Arboleda, MDM, Simbahan, JF and Migo, VP. 2018. Assessment of the Effect of Remediation Strategies on the Environmental Quality of Aquaculture Ponds in Marilao and Meycauayan, Bulacan, Philippines. Journal of Health and Pollution. 8(20):1-14. DOI: 10.5696/2156-9614-8.20.181205
• 
  Perez C.M.T., Pajares I.G., Alcantara V.A., Simbahan J.F. 2018. Detection of bacterial laminarinase activity for possible application in ethanol production from algal hydrolysate of brown algae, Sargassum sp., using halotolerant yeast. Biofuel Research Journal. 17: 792-797. DOI: 10.18331/BRJ2018.5.1.6
• 
  Nolissa Delmo-Organo, Evelyn F. Delfin, Glenn B. Gregorio, Nacita B. Lantican, Jessica F. Simbahan and Erlinda S. Paterno. 2017. Combined Effects of Salinity, Rice Variety and Ricegrowth Stage on the Diversity of Bacterial Communities Associated With Rice (Oryza sativa L.). J. ISSAAS Vol. 23, No. 2: 134-145
• 
  Fredmoore L. Orosco, Sean M. Estrada, Jessica F. Simbahan, Virgie A. Alcantara and Irene G. Pajares. 2017. Genome Shuffling for Improved Thermotolerance, Ethanol Tolerance and Ethanol Production of Saccharomyces cerevisiae 2013. Phil Sci Letters. 10(1)22-28
• 
  R. Abisado, J. Simbahan, N. Nomura, V. Migo, E. Tecson-Mendoza and L. Trinidad. 2015. Identification and phylogenetic analysis of sulfate-reducing bacteria isolated from toxic element-contaminated sediments in the Philippines. Philippine Journal of Science. 144(2): 129-137.
  
• 
  Alcantara, V.A., I.G. Pajares, J.F. Simbahan and S. Edding. 2013. Downstream recovery and purification of a bioemulsifier from Saccharomyces cereviseae 2031. Philippine Agricultural Scientist. 96(4):349-358.
• 
  Alcantara, V.A., I.G. Pajares, J.F. Simbahan and M.L.D. Rubio. 2012. Substrate dependent production and isolation of an extracellular biosurfactant from Saccharomyces cereviseae 2013. Philippine Journal of Science. 141(1):13-21.
• 
  Alcantara, VA, Pajares, IG, Simbahan, JF, Villarante, NR and Rubio, MLD. 2010. Characterization of biosurfactant from Saccharomyces cereviseae 2031 and evaluation of emulsification activity for potential application to bioremediation. Phil Agric Scientist. 93(1): 22-30.
• 
  Simbahan, J.F., Kurth, E., Schelert, J., Moriyama, E.N., Jovanovich, S. and Blum, P. 2005. Community analysis of a mercury hotspring support domain-specific forms of mercuric reductase. Appl Environ Microbiol. 71(12) 8836-8845.
• 
  Simbahan, J.F., Drijber, R. and Blum, P. 2004. Alicyclobacillus vulcanalis sp. nov., a new thermophilic, acidophilic bacterium isolated from Coso Hot Springs, California, USA. Int. J. Syst. Evol. Microbiol. 54: 1703-7.
• 
  Schelert, J. Dixit, V., Hoang, V., Simbahan, J., Drozda, M. and Blum, P. 2004. Occurrence and characterization of mercury resistance in the hyperthermophilic archaeon Sulfolobus solfataricus by use of gene disruption. J. Bacteriol. 186:427-437.
• 
  Paner, E.T., R.E.J. Remoquillo and J.F.Simbahan. 1999. Biosorption and desorption studies of cadmium (II) by Rhizobium sp. (BJVr-12) extracellular polysaccharides (EPS) immobilized on coconut husk as a method for toxic cadmium removal from water effluents. J Env. Sci. and Management. 2(1):17-26.
• 
  JC Mamaril, AM Lopez, JF Simbahan, ET Paner. 1994. Effect of coconut water growth hormone extract (CWGH) on growth and development of tomato (Lycopersicon esculentum Mill.) under screenhouse conditions. Philippine Journal of Crop Science.
• 
  Alejar, A.A. and Felizardo, J.R. 1987. Comparative growth performance of Azolla pinnata and Azolla microphylla in mineral deficient medium. The Philippine Agriculturist. 70(1&2):1-9.
• 
  Alejar, A.A. and Felizardo, J.R. 1985. Light and phosphorus interaction on the growth, nitrogen fixation and mineralization of Azolla pinnata. Phil. J. of Science. Special Issue Monograph #16.