Ian Kendrich C. Fontanilla, Ph.D.

Professor 8 | UP Scientist I
Director, Institute of Biology
Chair, Institute of Biology Executive Committee
Ph.D. Genetics, University of Nottingham, United Kingdom, 2010
Email: icfontanilla@up.edu.ph
Research Lab: DNA Barcoding Laboratory


BIO 1 (Contemporary Topics in Biology)
BIO 11 (Fundamentals of Biology I)
BIO 12 (Fundamentals of Biology II)
BIO 116 (Invertebrate Biology)
BIO 140 (Fundamentals in Genetics)
BIO 191 (Systematics and Evolution)
BIO 240 (Advanced Genetics)
BIO 241 (Molecular Genetics)
BIO 244 (Evolutionary Genetics)
BIO 397 (Molecular Phylogenetics)
BIO 397 (Forensic Biology)


Molecular Genetics and Phylogenetics, Malacology, Parasitology


Undegraduate Students
Francesca Helene C. Banaria
Jazmin Marie V. Simsuangco
Paolo Miguel E. Alfonso
Lex Art S. Espinueva
Caithleen Anne U. Ricaforte
Yanisah Justine P. Sani

Graduate Students
Lorraine Joyce M. Del Rosario
John David P. Endriga
Amina C. Kunting
Ralph Benedict I. Bucao
Lawrence Jacob C. Alterado
Aaron Gabriel B. Espinosa

Raffy Jay C. Fornillos
Adrian U. Luczon
Daria L. Manalo


(71) Cailipan TPC, Paraguas AM, Cuanang AJE, Soliven NFJA, Roño JGA, Fontanilla FL, Servo ER, Cao EP, Fontanilla IKC, Villamor LP. Villamor. 2023. Molecular data and karyotype revealed two distinct species of domesticated water buffaloes in the Philippines.  Philippine Journal of Science 152(5): 1861–1872.

(70) Manalili MD, Pedales R, Dizon EM, Fontanilla IK. 2022. Detection of bloodworm larvae (Diptera: Chironomidae) in the golden apple snail Pomacea canaliculata (Lamarck, 1819) (Gastropoda: Ampullariidae) in Metro Manila.  Philippine Journal of Health Research and Development 26(1): 1-7.

(69) Que GC, Widmann P, Widmann ID, Fontanilla IK. 2022. Phylogenetic placement of the Philippine Cockatoo Cacatua haematuropygia (P.L.S. Muller,1776) based on a partial mitochondrial genome.  Science Diliman 34(1): 5-37.

(68) Tabios IKB, Sato MO, Fornillos RJC, Tantengco OAG, Kirinoshi M, Sato M, Rojo RD, Fontanilla IKC, Chigusa Y, Medina PMB, Kikuchi m, Leonardo LR. 2022. Diagnostic performance of parasitological, immunological, molecular, and ultrasonographic tests in diagnosing intestinal schistosomiasis in fieldworkers from endemic municipalities in the Philippines.  Frontiers in Immunology 13:899311.

(67) Pogado FO, Fontanilla IKC, Tingson KN, de Chavez ERC. 2022. Macro land snail diversity and community assemblage in selected forest fragments of Leyte Island, Philippines.  Philippine Journal of Science 151 (5): 1713-1724.

(66) Tabios IKB, Sato MO, Tantengco OAG, Fornillos RJC, Kirinoki M, Sato M, Rojo RD, Fontanilla IKC, Chigusa y, Medina PMB, Kikuchi M, Leonardo LR. 2022. Circulating microRNAs as biomarkers of hepatic fibrosis in schisotsomiasis japonica patients in the Philippines.  Diagnostics 12: 1902.

(65) Dela cruz TTM, Llanes KKR, Toledo JMS, Catabay JA, Fornillos RJC, Fontanilla IKC, Paller VGV. 2022. Prevalence and molecular characterization of ascaridoid parasites of Philippine Decapterus species.  Journal of Nematology 54(1): e2002-1.

(64) Vijayan K, Suganthasakthivel R, Naggs F, Fontanilla IK, Soorae PS, Sajeev TV, Wade CM. 2022. Fine-scale geographical sampling and molecular characterization of the giant African land snail in its invasive range in Asia shows low genetic diversity, new haplotypes and the emergence of another haplotype from the Indian Ocean Islands.  Biological Journal of the Linnean Society doi.org/10.1093/biolinnean/blac106.

(63) Fountain ED, Zhou L-C, Karklus A, Liu Q-X, Meyers J, Fontanilla IKC, Rafael EF, Yu J-Y, Zhang Q, Zhu X-L, Pei E-L, Yuan YH, Banes GL. 2021. Cross-species application of Illumina iScan microarrays for cost-effective, high-throughput SNP discovery.  Frontiers in Ecology and Evolution 9:629252.

(62) Caracal MB, Fontanilla IKC, De Ungria MCA. 2021. The Ibaloi Fire Mummies: the art and science of mummification in the Philippines.  Anthropological Science 129(2):197-202.

(61) Que GCL, Widmann IDL, Widmann P, Fontanilla IKC. 2021. Mitochondrial DNA haplotype analysis of the endemic and critically endangered Philippine Cockatoo (Cacatua haematuropygia P.L.S. Muller, 1776).  Philippine Journal of Science 150(S1):135-146

(60) Roño JGA, Luczon AU, Duya MRM, Ong PS, Fontanilla IKC. 2021. Population genetic structure of Eonycteris robusta from Luzon Island.  Philippine Journal of Science 150(S1):587-596

(59) Fortajada EB, Fontanilla IKC, De Ungria MCA. 2021. Incorporating animal forensics in routine meat inspection in the Philippines.  Forensic Science International: Animals and Environments 1: 100020.

(58) Fornillos RJC, Que GCL, Mendoza RVD, Fontanilla IKC, Ong PS. 2020. Molecular identification of the Chinese Pond Mussel Sinanodonta woodiana (Lea, 1834) from Mindoro and Leyte Islands, Philippines Science Diliman 32(2): 77-96.

(57) Mendoza RVD, Fontanilla IKC. 2020. DNA barcoding of confiscated endangered Philippine Sailfin Lizard Hydrosaurus pustulatus (Eschsholtz, 1829) Philippine Journal of Biochemistry and Molecular Biology 1(1): 1-6.

(56) Leonardo L, Varona G, Fornillos RJ, Manalo D, Tabios IK, Moendeg K, de Cadiz A, Kikuchi M, Chigusa, Y, Mistica M, Hernandez L, Palasi W, Fontanilla IKC. 2020. Oncomelania hupensis quadrasi: Snail intermediate host of Schistosoma japonicum in the Philippines Acta Tropica 105547

(55) Que GCL, Sy EY, Ong PS, Fontanilla IKC. 2020. Tracing the source of the non-native Philippine population of the Greenhouse Frog Eleutherodactylus panirostris (Cope, 1862) through DNA barcodes. Science Diliman 32(1): 88-115.

(54) Lipae HB, Estabillo AL, Fontanilla IKC, De Chavez ERC. 2020. A new subspecies of microsnail from Masungi Georeserve, Rizal, Philippines. Philippine Journal of Systematic Biology 14(3): 39-50.

(53) Chan AFO, Luczon AU, Fontanilla IKC , Ong PS, Santos MD, Willette DA, Quilang JP. 2019. DNA barcoding cannot discriminate between Sardinella tawilis and S. hualiensis (Clupeiformes: Clupeidae). Mitochondrial DNA Part B; Resources 4(2): 2499-2503.

(52) Canoy RJC, Fontanila IKC, Quilang JP. 2019.Molecular phylogeny of the Philippine tigerperches (Perciformes: Terapontidae) based on mitochondrial genes. Philippine Journal of Science 148 (S1): 251-261.

(51) Leonardo L, Hernandez L, Magturo TC, Palasi W, Rubite JM, de Cadiz A, Moendeg K, Fornillos R, Tabios IK, Mistica M, Fontanilla IKC. 2019. Current status of neglected tropical diseases (NTDs) in the Philippines. Acta Tropica doi.org/10.1016/j.actatropica.2019.105284.

(50) Fornillos RJC, Sato MO, Tabios IKB, Sato M, Leonardo LR, Chigusa Y, Minamoto T, Kikuchi M, Legasi ER, Fontanilla IKC. 2019. Detection of Schistosoma japonicum and Oncomelania hupensis quadrasi environmental DNA and its potential utility to schistosomiasis japonica surveillance in the Philippines. PLoS ONE (14(11): e0224617.

(49) Mendoza RVD, Fontanilla IKC. 2019. Whole mitochondrial genome of a Geoffroy’s Rousette, Rousettus amplexicaudatus (Pteropodidae). Mitochondrial DNA B 4(2): 3546-3548.

(48) Calata FIC, Caranguian CZ, Mendoza JEM, Fornillos RJC, Tabios IKB, Fontanilla IKC, Leonardo LR, Sunico LS, Kawai S, Chigusa Y, Kikuchi M, Sato M, Toshifumi M, Baoanan ZG, Sato MO. 2019. Analysis of environmental DNA and edaphic factors for the detection of the snail intermediate host Oncomelania hupensis quadrasi. Pathogens 8: 160.

(47) Batomalaque GA, Que GCL, Atong TAB, Masanga ARL, de Chavez ERC, Fontanilla IKC. 2019. Cytochrome c oxidase subunit 1 (COI) profile of the Philippine Helicostylinae (Gastropoda: Stylommatophora: Camaenidae). Philippine Journal of Science 148(S1): 1-13.

(46) Luczon AU, Ampo SAMM, Rono JGA, Duya MRM, Ong PS, Fontanilla IKC. 2019. DNA barcodes reveal high genetic diversity in Philippine fruit bats. Philippine Journal of Science 148(S1): 133-140.

(45) Damatac AM II, Fontanilla IKC. 2019. Complete mitochondrial genome and novel gene organization of Ryssota otaheitana (Pulmonata: Chronidae) and its implications on the Stylommatophora phylogeny. Philippine Journal of Science 148(S1): 167-180.

(44) Canoy RJC, Fontanilla IKC, Quilang JP. 2019. Molecular phylogeny of Philippine tigerperches (Perciformes, Terapontidae) based on mitochondrial genes. Philippine Journal of Science 148(S1): 251-261.

(43) Ong PS, Padilla VJB, Serafica MPB, Luczon AU, Salvador DJI, Duya MV, Fontanilla IKC, Quilang JP. 2019. Development of microsatellites for the Philippine Eagle, Pithecophaga jefferyi, using Next Generation Sequencingg. Philippine Journal of Science 148(S1): 263-266.

(42) Fornillos RJC, Fontanilla IKC, Chigusa Y, Kikuchi M, Kirinoki M, Kato-Hayashi N, Kawazu S, Angeles JM, Tabios IK, Moendeg K, Goto Y, Tamayo PG, Gampoy EF, Pates I, Chua JC and Leonardo LR. 2019. Infection rate of Schistosoma japonicum in the snail Oncomelania hupensis quadrasi in endemic villages in the Philippines: Need for snail surveillance technique. Tropical Biomedicine, 36, 402–411.

(41) Sato MO, Adsakwattana P, Fontanilla IKC, Kobayashi J, Sato M, Pongvongsa T, Fornillos RFC. 2019. Odds, challenges and new approaches in the control of helminthiasis, an Asian study. Parasite Epidemiology and Control, 4, e00083.

(40) Pedales RDC, Fontanilla IKC. 2018. Forensic entomology in the Philippines : Establishing Baseline Data on the Forensically Important Blow Fly Species Chrysomya megacephala (Fabricius, 1794). Philippine Journal of Science, 147(1), 17–25.

(39) Licuanan AM, Duya MRM, Ong PS, Fontanilla IKC. 2017. DNA barcoding, population genetics, and phylogenetics of the illegally hunted Philippine Duck Anas luzonica (Aves: Anseriformes: Anatidae). Journal of Threatened Taxa 9(5): 10141–10150.

(38) Dumilag RV, Aguinaldo Z-ZA, Mintu CB, Quinto MB, Ame CE, Andres RC, Yap SL, Cao EP, Vital PG, Fontanilla IKC, Monotilla WD. 2017. A review of the current taxonomic status of foliose Bangiales (Rhodophyta) in the Philippines. Phytotaxa 312(1): 47-59.

(37) Chua JC, Fontanilla IKC, Tabios IKB, Tamayo PG, De Chavez ERC, Agatsuma T, Kikuchi M, Kato-Hayashi N, Chigusa Y, Fornillos RJC, Leonardo LR. 2017. Genetic comparison of Oncomelania hupensis quadrasi (Mollendorf, 1895) (Gastropoda: Pomatiopsidae), the intermediate host of Schistosoma japonicum in the Philippines based on 16S ribosomal RNA sequence. Science Diliman 29(2): 32-50.

(36) Moendeg KJ, Angeles JMM, Nakao R, Leonardo LR, Fontanilla IKC, Goto Y, Kirinoki M, Villacorte EA, Rivera PT, Inoue N, Chigusa Y, Kawazu S. 2017. Geographic strain differentiation of Schistosoma japonicum in the Philippines using microsatellite markers. PLoS Neglected Tropical Diseases 11(7): e0005749.

(35) Fontanilla IKC, Naggs F, Wade CM. 2017. Molecular phylogeny of the Achatinoidea (Mollusca: Gastropoda). Molecular Phylogenetics and Evolution 114: 382-385.

(34) Tujan MAA, Fontanilla IKC, Paller VGV. 2016. Vectors and spatial patterns of Angiostrongylus cantonensis in selected rice-farming villages of Muñoz, Nueva Ecija, Philippines. Journal of Parasitology Research 2016: 3085639.

(33) Luczon AU, Ong PS, Quilang JP, Fontanilla IKC. 2016. Determining species identity from confiscated pangolin remains using DNA barcoding. Mitochondrial DNA Part B: Resources(1): 763-766.

(32) Leonardo L, Chigusa Y, Kikuchi M, Kato-Hayashi N, Kawazu S, Angeles JM, Fontanilla IKC, Tabios IK, Moendeg K, Goto Y, Fornillos RJ, Tamayo PG, Chua JC. 2016. Schistosomiasis in the Philippines: challenges and some success in control. Southeast Asian Journal of Tropical Medicine and Public Health 47(4): 651-666.

(31) Sagun JH, Davies KA, Fontanilla IKC, Chan MA, Laurente DA. 2015. Characterization of an isolate of Heterorhabditis bacteriophora (Nematoda: Heterorhabditidae) from the Northern Territory, Australia, using morphology and molecular data. Zootaxa.

(30) De Chavez ERC, Fontanilla IKC, Batomalaque GA, Chiba S. 2015. A new Helicostyla species (Bradybaenidae: Helicostylinae) from Patnanungan Island, Philippines. Asia Life Sciences 24(1): 37-49.

(29) Sosa III BO, Batomalaque GA, Fontanilla IKC. 2014. An updated survey and biodiversity assessment of the terrestrial snail (Mollusca: Gastropoda) species in Marinduque, Philippines. Philippine Journal of Science 143(2): 199-210.

(28) Young PNY, Fontanilla IKC. 2014. Biodistribution of the informal group Basommatophora in the Philippines. Science Diliman 26(1): 53-76.

(27) Luczon AU, Fontanilla IKC, Ong PS, Basiao ZU, Sumaya AMT, and Quilang JP. 2014. Genetic diversity of the critically endangered Philippine Eagle Pithecophaga jefferyi (Aves:Accipitridae) and notes on its conservation. Journal of Threatened Taxa 6(10):6335–6344.

(26) Fontanilla IKC, Sta Maria IMP, Garcia JRM, Ghate H, Naggs F, Wade CM. 2014. Restricted genetic variation in populations of Achatina (Lissachatina) fulica outside of East Africa and the Indian Ocean islands points to the Indian Ocean islands as the earliest known common source. PLoS ONE 9(9): e105151.

(25) Embrador MDM, Gan AGDC, Guanzon CMSM, Romilla CJM, Luber RP, Fontanilla IKC. 2014. Testing the utility of two mitochondrial genes (Cytochrome c oxidase I and 16S rRNA) as DNA barcodes for the family Muricidae (Gastropoda, Mollusca). The Philippine BIOTA.

(24) Constantino-Santos DMA, Basiao ZU, Wade CM, Santos BS, Fontanilla IKC. 2014. Identification of Angiostrongylus cantonensis and other nematodes using the SSU rDNA in Achatina fulica populations of Metro Manila. Tropical Biomedicine 31(2): 327–335.

(23) Fontanilla IKC, Torres AF, Cañasa JADG, Yap SL, Ong PS. 2014. State of animal DNA barcoding in the Philippines: A review of COI sequencing of Philippine native fauna. Philippine Science Letters 7(1): 104-137.

(22) Batomalaque GA, Sales PRL and Fontanilla IKC. 2013. DNA barcoding using cytochrome oxidase I (COI) of the pulmonate gastropods from Batan Island, Batanes, Philippines. Asia Life Sciences 22(2): 341-357.

(21) Luczon AU, Torres AF, Quilang JP, Ong PS, Fontanilla IKC. 2013. DNA barcoding of birds in the University of the Philippines Diliman campus, with emphasis on striated grassbirds Megalurus palustris. Philippine Journal of Science 142(1):1-11.

(20) Fontanilla IKC, Wade CM. 2012. First report of Angiostrongylus cantonensis in the Giant African Land Snail Achatina fulica in French Polynesia detected using the SSU rRNA gene. Tropical Biomedicine 29(4): 642-645.

(19) Sinfuego, VdP and Fontanilla IKC. 2011. Comparison of the hatchability and culture efficiency of four natural culture media on the development of Drosophila melanogaster. The Philippine BIOTA XLIV(October): 34-45.

(18) Jumawan JC, Vallejo BM, Herrera AA, Buerano CC and Fontanilla IKC. 2011. DNA barcodes of the suckermouth sailfin catfish Pterygoplichthys (Siluriformes: Loricariidae) in the Marikina River system, Philippines: molecular perspective of an invasive alien fish species. Philippine Science Letters 4(2): 103-113.

(17) Aquino LM, Tango J, Canoy RJ, Fontanilla IKC, Basiao ZU, Ong PS, Quilang J. 2011. DNA barcoding of fishes of Laguna de Bay, Phillipines. Mitochondrial DNA 22(4): 143-153.

(16) Arcellana AES, Guzman RMS and Fontanilla IKC. 2011. Distribution of MN blood groups in local populations in the Philippines. Journal of Genetics 90: e90-e93.

(15) Matias AMA and Fontanilla IKC. 2011. Optimizing the utility of Allium cepa L. var. aggregatum (sibuyas Tagalog) for the Allium test by elucidating its mitotic periodicity and rhythmicity under varying light conditions. Science Diliman 23(1): 43-51.

(14) Quilang JP, Santos BS, Ong PS, Basiao ZU, Fontanilla IKC, Cao EP. 2011. DNA barcoding of the Philippine endemic freshwater sardine Sardinella tawilis (Clupeiformes: Clupeidae) and its marine relatives. Philippine Agricultural Scientist 94(3): 16-25.

(13) Aquilino SVL, Tango JM, Fontanilla IKC, Pagulayan RC, Basiao ZU, Ong PS and Quilang JP. 2011. DNA barcoding of the icthyofauna of Taal Lake, Philippines. Molecular Ecology Resources.

(12) Ong PS, Luczon AU, Quilang JP, Sumaya AMT, Ibañez JC, Salvador DJ and Fontanilla IKC. 2011. DNA barcodes of Philippine accipitrids. Molecular Ecology Resources 11: 245-254.

(11) Batomalaque GA, Arce BGP, Hernandez MBM and Fontanilla IKC. 2010. Survey and spatial distribution of shoreline malacofauna in Grande Island, Subic Bay. Philippine Journal of Science 139(2): 149-159.

(10) Luczon AU, Mohammad Isa AHM, Quilang JP, Ong PS and Fontanilla IKC. 2010. DNA barcoding of the White-Collared Kingfisher Todiramphus chloris (Boddaert 1783) (Alcedinidae) using the mitochondrial cytochrome oxidase subunit I gene. Philippine Science Letters. 3(2): 74-77.

(9) Sutcharit C, Naggs F, Wade CM, Fontanilla IKC and Panha S. 2010. The new family Diapheridae, a new species of Diaphera Albers from Thailand and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora). Zoological Journal of the Linnean Society 160: 1-16.

(8) Fontanilla IKC and CM Wade. 2008. The small subunit (SSU) ribosomal (r) RNA gene as a genetic marker for identifying infective 3rd juvenile stage Angiostrongylus cantonensis. Acta Tropica 105: 181-186.

(7) Fontanilla IKC, RR Matias, and GL Enriquez. 2001. Morphological and physiological characterization of Philippine Naegleria isolates. Philippine Journal of Science. 130(2):103-109.

(6) Guzman RMS, Gervasio RNR, Fontanilla IKC and Cao EP. 2009. Frequency distribution of blood groups ABO, Mn and Rh factor in Philippine cosmopolitan, regional, and the national populations. Science Diliman 21(2): 43-49.

(5) Fontanilla IKC, Hudelot C, Naggs F and Wade CM. 2007. AAchatina fulica: its molecular phylogeny and genetic variations in global populations. The Malacologist 48:1.

(4) Pilar AVC, Mendoza JCE, and Fontanilla IKC. 2002. Survey of Protozoan Diversity, with emphasis on ciliates in the University of the Philippines, Diliman Campus. Japan Journal of Protozoology 35(supplement):12.

(3) Fontanilla IKC, Pilar AVC and Mendoza JCE. 2002. Growth of Oxytricha sp. in two different media and its assessment in cytotoxicity testing. Japan Journal of Protozoology 35(supplement):13.

(2) Fontanilla IKC, Matias RR and Enriquez GL. 2001. Sequence analysis of the 5.8 S rDNA gene and internal transcribed spacers of Philippine Naegleria isolates. In: IXth International meeting on the biology and pathogenicity of free- living amoebae proceedings (eds. S. Billot-Bonef, P.A. Cabanes, F. Marciano Cabral, and E. Pringuez). John Libbey Eurotext London pp. 243-253.

(1) Fontanilla IKC and Pagulayan IF. 1997. Detection of lectin activity from protein extracts of the foot muscle and visceral mass of Neritina pulligera Linne. In: Proceedings of the Third National Malacological Convention. Department of Science and Technology and the Philippine Council for Aquatic and Marine Research Development pp. 52-67.