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  The Medeiros Hui

People

Our Lab Hui


​Lab Members

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​Matthew Christopher Ikaika Medeiros
Principal Investigator

Associate Professor
Pacific Biosciences Research Center
1993 East-West Rd. Honolulu, HI, 96822
(808) 956-8187
[email protected]

Ph.D., Biology,  2013, University of Missouri-St. Louis
B.S., Zoology, 2006, University of Hawai‘i at Mānoa


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Dr. Nicola Kriefall
Post-doctoral Researcher

Ph.D., Biology, 2022, Boston University
B.A., Biological Sciences, 2016, CUNY Hunter College

​Project: Microbiome modulation of food web complexity

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Mei Iwamoto
M.S. haumana
Zoology Graduate Program

B.A. Biology, 2020, Occidental College

Project: Avian malaria transmission in East Maui

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Mamo (Lorraine) Kamamoaliʻiʻaimokuakamakeaweamahi Waianuhea
Ph.D. haumana/NSF GRFP fellow
​Zoology Graduate Program

B.S., Biology, minors Chemistry and Fisheries and Wildlife, 2018, Oregon State University

Project: Landscape-scale mosquito control for avian conservation in Hawai‘i. ​

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Lana Mitchell
UROP-funded undergraduate researcher/ former REU intern
University of Hawai‘i at Mānoa (major: Biology)

​Project: Diversity and function of mosquito microbiomes

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Ives Otil Rdialul
UROP-funded undergraduate researcher/former REU intern
University of Hawai‘i at Mānoa (major: Microbiology)

Project: Energy flow along a bromeliad food chain across a microbial diversity gradient





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Giovanna Verrico
UROP-funded undergraduate researcher
University of Hawai‘i at Mānoa (major: Global Environmental Science)

Project: Microbiome assembly of mass-reared mosquitoes


Lab Affiliates

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Kellen Apuna
Undergraduate researcher/former REU intern
California State Polytechnic University, Humboldt (major: Wildlife Biology)

Project: Leveraging community science to predict Hawaiian forest bird distributions



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 Nicole Yoneishi
 InSTAR Manager
Pacific Biosciences Research Center
1993 East-West Rd. Honolulu, HI, 96822
(808) 956-2713
[email protected]

B.S., Biology, 2015, University of Hawai‘i at Hilo
Projects: Various projects associated with rat-borne, avian, and mosquito-borne disease, and the microbiotas of these systems. Nicole also maintains our mosquito colony and manages the day-to-day activity in the lab.


Lab Alumni​

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​Dr. Priscilla Seabourn
Ph.D. haumana 

Ph.D. Entomology, 2021, University of Hawai‘i​
M.S. Tropical Medicine, 2014, John A. Burns School of Medicine, University of Hawai‘i
B.S., Biology, 2011, University of Central Oklahoma
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Project: The distribution of mosquitoes and their microbial symbionts in Hawai‘i.


​Currently a research scientist with Amazon

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Dr. Chasen Griffin
Ph.D. haumana
Zoology Graduate Program

Ph.D. Zoology, 2024, University of Hawai‘i
B.S., Biology, 2013, Clayton State University
M.S. Biology, 2018, Georgia State University

Project: Environmental modulators of the capacity of mosquito populations to vector disease

Currently an NSF-PRFB Fellow in the labs of Dr. Vanessa Enzenwa and Dr. Robert Cowie


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Danya Weber
​M.S. haumana
Zoology Graduate Program

M.S. Zoology, 2023, University of Hawai‘i at Mānoa
B.S., Ecology and Evolutionary Biology, 2015, University of California, Santa Cruz

Project: Environmental sources of the mosquito microbiome.

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Paris Boyd
Undergraduate researcher
University of Hawai‘i at Mānoa (major: Marine Biology)

Project: Diversity and function of invertebrate microbiomes



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Rebecca Kaleialohaonālani Miranda
Undergraduate researcher
University of Hawai‘i at Mānoa (major: Biology)

Project: Biology of blood-feeding flies

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Abigail Bierwert
UHROP-funded Undergraduate Researcher
B.S. Biology, 2024, University of Hawai‘i at Mānoa 

Project: Fungal symbionts of Aedes albopictus

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Kahiwahiwa Davis (left)
​REU haumana (Hawai‘i)
Project: The influence of native Hawaiian and introduced plant detritus on the development of larval mosquitoes and the assembly of their microbiotas.
Gonzaga University BS:  Biology and Psychology

Jeromayln "Joma" Santos (right)
REU haumana (Saipan)
Project: The diversity of Wolbachia strains in Culex quinquefasciatus on O‘ahu, Hawai‘i
University of Guam BS: Agriculture and Life Science

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Kristen Feato
REU haumana (Hawai‘i)

Project: The microbiome of O‘ahu forest birds.

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Ma. Vida Amor Echaluse
REU haumana (Saipan)

Project: Angiostrongylus cantonensis transmission in suburban environments across a rainfall gradient.
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​Currently an MPH student at Oregon Health and Science University

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Mehanaokalāikapōmaika‘i (Mehana) Leafchild
​Undergraduate Researcher
Former REU Intern
Chaminade University (major: Environmental Studies)

​Project: Symbiotic microbes and cold tolerance in Culex quinquefasciatus

Currently a Hollings Scholar at NOAA. 

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Caleb-Matthew Olaso
MARC Scholar/Undergraduate Researcher
​University of Hawai‘i at Mānoa (major: Biology)

Project: Microbiome assembly and lipidomics of Aedes albopictus and Culex quinquefasciatus

Currently a PhD student at Stanford University.


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   Dr. Randi Rollins
   former Ph.D. affiliate haumana (Advisor: Robert Cowie)
   Zoology Graduate Program
​   Ph.D. 2023, Zoology, 
University of Hawai‘i at Mānoa
   BS., Zoology (major), Chemisty (minor), 2014, Weber State University


   Project: Transmission dynamics and consequences of Angiostrongylus cantonensis infection in Hawai‘i
   Randi is a graduate student working within our rat-borne zoonotic disease research group at UH-Mānoa. ​​

  Currently a NIH-funded post-doc researchers with Dr. Robert Cowie

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Joshua Schreiber
UHROP-funded Undergraduate Researcher
University of Hawai‘i at Mānoa (major: Biology)

Project: Fungal symbionts of Aedes albopictus

Currently a mosquito technician for Maui Forest Bird Recovery

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Dr. Maria Steadmon
former Ph.D. affiliate (Advisor: Dr. Kiana Frank)
Oceanography Graduate Program

Ph.D. 2024, Oceanography, 
University of Hawai‘i at Mānoa
B.S. 2019, Marine Sciences, University of Hawai‘i at Hilo

Project: Environmental correlates of pathogenic Staphylococcus aureus among Hawaiian watersheds (ahupua‘a)  

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​Emily Ka‘anelamakamae Stone
former Post-Bacc Researcher and Undergraduate Honors haumana/REU Intern
Columbia University (major: Environmental Biology)
Project: Assembly of the Culex mosquito microbiome through interaction with environmental substrates

Currently an Environmental Scientist with Jacobs 
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​Rachelle Legaspi Tom
B.A., Business, Seattle University

​REU haumana (Hawai‘i)
Project: Mosquito Diversity within the Mānoa-Makīkī watersheds

​Currently a natural resource manager with Paepae O He‘eia


Hoa hana

Dr. Robert Cowie, Pacific Biosciences Research Center, University of Hawai‘i at Mānoa
Dr. Nicole Hynson, Pacific Biosciences Research Center, University of Hawai‘i at Mānoa 
Dr. Anthony Amend, Pacific Biosciences Research Center, University of Hawai‘i at Mānoa 
Dr. Amber Wright, Department of Biology, University of Hawai‘i at Mānoa
Dr. Floyd Reed, Department of Biology, University of Hawai‘i at Mānoa
Dr. Kiana Frank, Pacific Biosciences Research Center, University of Hawai‘i at Mānoa
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