Elissa A. Hallem, Ph.D.


Professor, Brain Research Institute

Microbiology, Immunology & Molecular Genetics

Member, Immunity, Microbes & Molecular Pathogenesis GPB Home Area

Neuroscience GPB Home Area

Contact Information

Office Phone Number: (310) 825-1778

Office Address:

Los Angeles, CA 90095


A selected list of publications:

Bryant AS, Ruiz F, Gang SS, Castelletto ML, Lopez JB, Hallem EA   A critical role for thermosensation in host seeking by skin-penetrating nematodes Curr Biol, 2018; 28: 2338–2347.
Banerjee N, Hallem E   Sexual Dimorphisms: How sex-shared neurons generate sex-specific behaviors Curr Biol, 2018; 28: R254-R256.
Gang SS, Castelletto ML, Bryant AS, Yang E, Mancuso N, Lopez JB, Pellegrini M, Hallem EA   Targeted mutagenesis in a human-parasitic nematode PLoS Pathog, 2017; 13: e1006675.
Guillermin ML, Carrillo MA, Hallem EA   A single set of interneurons drives opposite behaviors in C. elegans Curr Biol, 2017; 27: 2630-2639.
Ruiz F, Castelletto ML, Gang SS, Hallem EA   Experience-dependent olfactory behaviors of the parasitic nematode Heligmosomoides polygyrus PLoS Pathog, 2017; 13: e1006709.
Cevallos JA, Okubo RP, Perlman SJ, and Hallem EA   Olfactory preferences of the parasitic nematode Howardula aoronymphium and its insect host Drosophila falleni J Chem Ecol, 2017; 43: 362-373.
Gang SS and Hallem EA   Mechanisms of host seeking by parasitic nematodes Mol Biochem Parasitol, 2016; 208: 23-32.
Rengarajan S and Hallem EA   Olfactory circuits and behaviors of nematodes Curr Opin Neurobiol, 2016; 41: 136-148.
Lee J, Dillman AR, Hallem EA   Temperature-dependent changes in the host-seeking behaviors of parasitic nematodes BMC Biol, 2016; 14: 36.
Carrillo MA and Hallem EA   Gas sensing in nematodes Mol Neurobiol, 2015; 51: 919-931.
Pena JM, Carrillo MA, and Hallem EA   Variation in the susceptibility of Drosophila to different entomopathogenic nematodes Infect Immun, 2015; 83: 1130-8.
Castelletto ML, Gang SS, Okubo RP, Tselikova AA, Nolan TJ, Platzer EG, Lok JB, and Hallem EA   Diverse host-seeking behaviors of skin-penetrating nematodes PLoS Pathog, 2014; 10: e1004305.
Carrillo MA, Guillermin ML, Rengarajan S, Okubo RP, and Hallem EA   O2-sensing neurons control CO2 response in C. elegans J Neurosci, 2013; 33: 9675-83.
Dillman AR, Guillermin ML, Lee J, Kim B, Sternberg PW, and Hallem EA   Olfaction shapes host-parasite interactions in parasitic nematodes Proc Natl Acad Sci USA, 2012; 109: E2324-E2333.
Chaisson KE and Hallem EA   Chemosensory behaviors of parasites Trends Parasitol, 2012; 28: 427-436.
Guillermin ML, Castelletto ML, and Hallem EA   Differentiation of carbon dioxide-sensing neurons in Caenorhabditis elegans requires the ETS-5 transcription factor Genetics, 2011; 189: 1327-39.
Banerjee Navonil, Hallem Elissa A   Decoding Inter-individual Variability in Experience-Dependent Behavioral Plasticity Neuron, 2020; 105(1): 7-9.
Rengarajan Sophie, Yankura Kristen A, Guillermin Manon L, Fung Wendy, Hallem Elissa A   Feeding state sculpts a circuit for sensory valence in Caenorhabditis elegans Proc Natl Acad Sci USA, 2019; 116(5): 1776-1781.
Gang Spencer S, Castelletto Michelle L, Yang Emily, Ruiz Felicitas, Brown Taylor M, Bryant Astra S, Grant Warwick N, Hallem Elissa A   Chemosensory mechanisms of host seeking and infectivity in skin-penetrating nematodes Proc Natl Acad Sci USA, 2020; .
Bryant Astra S, Hallem Elissa A   Terror in the dirt: Sensory determinants of host seeking in soil-transmitted mammalian-parasitic nematodes Int J Parasitol Drugs Drug Resist, 2018; 8(3): 496-510.
Banerjee Navonil, Hallem Elissa A   The role of carbon dioxide in nematode behaviour and physiology Parasitology, 2020; 147(8): 841-854.
Bryant Astra S, Hallem Elissa A   Temperature-dependent behaviors of parasitic helminths Neurosci Lett, 2018; 687(3): 290-303.
Castelletto Michelle L, Gang Spencer S, Hallem Elissa A   Recent advances in functional genomics for parasitic nematodes of mammals J Exp Biol, 2020; 223(Pt Suppl 1): 841-854.