Tim Miyashiro

Associate Professor of Biochemistry and Molecular Biology

Tim Miyashiro

Research Summary

How bacteria adapt to a host environment. The mutualistic symbiosis established between the Hawaiian bobtail squid (Euprymna scolopes) and a bioluminescent bacterium (Vibrio fischeri).

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Aliivibrio Fischeri Symbiosis Light Decapodiformes Bacteria Luminescence Vibrio Genes Type Vi Secretion Systems Symbionts Symbiont Animals Vibrio Fischeri Organ Squid Population Bioluminescence Persistence Carrier Proteins Intraspecific Competition Biofilms Sulfur Quorum Sensing Colonization Growth

Most Recent Publications

A case study assessing the impact of mating frequency on the reproductive performance of the Hawaiian bobtail squid Euprymna scolopes

Andrew G. Cecere, Rachel A. Cook, Tim I. Miyashiro, 2023, Laboratory Animal Research

Quantification of the capacity of vibrio fischeri to establish symbiosis with Euprymna scolopes

Aidan R. Donnelly, Elizabeth J. Giacobe, Rachel A. Cook, Gareth M. Francis, Grace K. Buddle, Christina L. Beaubrun, Andrew G. Cecere, Tim I. Miyashiro, 2023, PLoS One

Two enhancer binding proteins activate σ<sup>54</sup>-dependent transcription of a quorum regulatory RNA in a bacterial symbiont

Ericka D. Surrett, Kirsten R. Guckes, Shyan Cousins, Terry B. Ruskoski, Andrew G. Cecere, Denise A. Ludvik, C. Denise Okafor, Mark J. Mandel, Tim I. Miyashiro, 2023, eLife

The type-VI secretion system of the beneficial symbiont Vibrio fischeri

Kirsten R. Guckes, Tim I. Miyashiro, 2023, Journal of General Microbiology

Erratum: The type-VI secretion system of the beneficial symbiont Vibrio fischeri (Microbiology 2023;169, 2, 001302, 10.1099/mic.0.001302)

Kirsten R. Guckes, Tim I. Miyashiro, 2023, Journal of General Microbiology

Impact of transit time on the reproductive capacity of Euprymna scolopes as a laboratory animal

Andrew G. Cecere, Tim I. Miyashiro, 2022, Laboratory Animal Research

Quorum Sensing Facilitates Interpopulation Signaling by Vibrio fischeri within the Light Organ of Euprymna scolopes

Taylor A. Yount, Andrew N. Murtha, Andrew G. Cecere, Tim I. Miyashiro, 2022, Israel Journal of Chemistry

Vibrio fischeri imports and assimilates sulfate during symbiosis with Euprymna scolopes

Nathan P. Wasilko, Josue S. Ceron, Emily R. Baker, Andrew G. Cecere, Michael S. Wollenberg, Tim I. Miyashiro, 2021, Molecular Microbiology on p. 926-942

The bacterial enhancer binding protein vasH promotes expression of a type vi secretion system in vibrio fischeri during symbiosis

Kirsten R. Guckes, Andrew G. Cecere, Amanda L. Williams, Anjali E. McNeil, Tim Miyashiro, 2020, Journal of Bacteriology

Incompatibility of vibrio fischeri strains during symbiosis establishment depends on two functionally redundant hcp genes

Kirsten R. Guckes, Andrew G. Cecere, Nathan P. Wasilko, Amanda L. Williams, Katherine M. Bultman, Mark J. Mandel, Tim Miyashiro, 2019, Journal of Bacteriology

Most-Cited Papers

Bacterial symbionts use a type VI secretion system to eliminate competitors in their natural host

Lauren Speare, Andrew G. Cecere, Kirsten R. Guckes, Stephanie Smith, Michael S. Wollenberg, Mark J. Mandel, Tim Miyashiro, Alecia N. Septer, 2018, Proceedings of the National Academy of Sciences of the United States of America on p. E8528-E8537

Quorum sensing in the squid-Vibrio symbiosis.

Subhash C. Verma, Tim Miyashiro, 2013, International Journal of Molecular Sciences on p. 16386-16401

Features governing symbiont persistence in the squid-vibrio association

Eric J. Koch, Tim Miyashiro, Margaret J. McFall-Ngai, Edward G. Ruby, 2014, Molecular Ecology on p. 1624-1634

Competence and natural transformation in vibrios

Yan Sun, Eryn E. Bernardy, Brian K. Hammer, Tim Miyashiro, 2013, Molecular Microbiology on p. 583-595

Intraspecific competition impacts Vibrio fischeri strain diversity during initial colonization of the squid light organ

Yan Sun, Elijah D. LaSota, Andrew G. Cecere, Kyle B. LaPenna, Jessie Larios-Valencia, Michael S. Wollenberg, Tim Miyashiro, 2016, Applied and Environmental Microbiology on p. 3082-3091

The putative oligosaccharide translocase SypK connects biofilm formation with quorum signaling in Vibrio fischeri

Tim Miyashiro, Dane Oehlert, Valerie A. Ray, Karen L. Visick, Edward G. Ruby, 2014, MicrobiologyOpen on p. 836-848

Sulfur availability for Vibrio fischeri growth during symbiosis establishment depends on biogeography within the squid light organ

Nathan P. Wasilko, Jessie Larios-Valencia, Caroline H. Steingard, Briana M. Nunez, Subhash C. Verma, Tim Miyashiro, 2019, Molecular Microbiology on p. 621-636

Incompatibility of vibrio fischeri strains during symbiosis establishment depends on two functionally redundant hcp genes

Kirsten R. Guckes, Andrew G. Cecere, Nathan P. Wasilko, Amanda L. Williams, Katherine M. Bultman, Mark J. Mandel, Tim Miyashiro, 2019, Journal of Bacteriology

Niche-specific impact of a symbiotic function on the persistence of microbial symbionts within a natural host

Subhash C. Verma, Tim Miyashiro, 2016, Applied and Environmental Microbiology on p. 5990-5996

NagC represses N-acetyl-glucosamine utilization genes in Vibrio fischeri within the light organ of Euprymna scolopes

Yan Sun, Subhash C. Verma, Haikel Bogale, Tim Miyashiro, 2015, Frontiers in Microbiology