Justin Merritt

Associate Professor

  • 2172 Citations
  • 25 h-Index
20012020

Research output per year

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Research Output

  • 2172 Citations
  • 25 h-Index
  • 70 Article
  • 2 Chapter
  • 2 Review article
  • 1 Letter
2001

Bacterial biofilm and dentistry.

Merritt, J., Anderson, M. H., Park, N. H. & Shi, W., May 2001, In : Journal of the California Dental Association. 29, 5, p. 355-360 6 p.

Research output: Contribution to journalArticle

4 Scopus citations
2003

Mutation of luxS affects biofilm formation in Streptococcus mutans

Merritt, J., Qi, F., Goodman, S. D., Anderson, M. H. & Shi, W., Apr 1 2003, In : Infection and Immunity. 71, 4, p. 1972-1979 8 p.

Research output: Contribution to journalArticle

198 Scopus citations
2004
81 Scopus citations
29 Scopus citations
2005

A unique nine-gene comY operon in Streptococcus mutans

Merritt, J., Qi, F. & Shi, W., Jan 1 2005, In : Microbiology. 151, 1, p. 157-166 10 p.

Research output: Contribution to journalArticle

41 Scopus citations

Competition and coexistence between Streptococcus mutans and Streptococcus sanguinis in the dental biofilm

Kreth, J., Merritt, J., Shi, W. & Qi, F., Nov 1 2005, In : Journal of bacteriology. 187, 21, p. 7193-7203 11 p.

Research output: Contribution to journalArticle

259 Scopus citations

Co-ordinated bacteriocin production and competence development: A possible mechanism for taking up DNA from neighbouring species

Kreth, J., Merritt, J., Shi, W. & Qi, F., Jul 1 2005, In : Molecular Microbiology. 57, 2, p. 392-404 13 p.

Research output: Contribution to journalArticle

136 Scopus citations

Identification of genes associated with mutacin I production in Streptococcus mutans using random insertional mutagenesis

Tsang, P., Merritt, J., Nguyen, T., Shi, W. & Qi, F., Dec 1 2005, In : Microbiology. 151, 12, p. 3947-3955 9 p.

Research output: Contribution to journalArticle

23 Scopus citations

LuxS controls bacteriocin production in Streptococcus mutans through a novel regulatory component

Merritt, J., Kreth, J., Shi, W. & Qi, F., Aug 1 2005, In : Molecular Microbiology. 57, 4, p. 960-969 10 p.

Research output: Contribution to journalArticle

70 Scopus citations
26 Scopus citations
2006

Cell density- and ComE-dependent expression of a group of mutacin and mutacin-like genes in Streptococcus mutans

Kreth, J., Merritt, J., Zhu, L., Shi, W. & Qi, F., Dec 1 2006, In : FEMS Microbiology Letters. 265, 1, p. 11-17 7 p.

Research output: Contribution to journalArticle

53 Scopus citations

IrvA-dependent and IrvA-independent pathways for mutacin gene regulation in Streptococcus mutans

Tsang, P., Merritt, J., Shi, W. & Qi, F., Aug 1 2006, In : FEMS Microbiology Letters. 261, 2, p. 231-234 4 p.

Research output: Contribution to journalArticle

19 Scopus citations

Milk helps build strong teeth and promotes oral health.

Merritt, J., Qi, F. & Shi, W., May 1 2006, In : Journal of the California Dental Association.. 34, 5, p. 361-366 6 p.

Research output: Contribution to journalReview article

24 Scopus citations
2007

Construction of a counterselection-based in-frame deletion system for genetic studies of Streptococcus mutans

Merritt, J., Tsang, P., Zheng, L., Shi, W. & Qi, F., Apr 1 2007, In : Oral microbiology and immunology. 22, 2, p. 95-102 8 p.

Research output: Contribution to journalArticle

18 Scopus citations

Genetic characterization of the hdrRM operon: A novel high-cell-density-responsive regulator in Streptococcus mutans

Merritt, J., Zheng, L., Shi, W. & Qi, F., Aug 1 2007, In : Microbiology. 153, 8, p. 2765-2773 9 p.

Research output: Contribution to journalArticle

22 Scopus citations
78 Scopus citations

The response regulator ComE in Streptococcus mutans functions both as a transcription activator of mutacin production and repressor of CSP biosynthesis

Kreth, J., Hung, D. C. I., Merritt, J., Perry, J., Zhu, L., Goodman, S. D., Cvitkovitch, D. G., Shi, W. & Qi, F., Jun 1 2007, In : Microbiology. 153, 6, p. 1799-1807 9 p.

Research output: Contribution to journalArticle

58 Scopus citations
2008

Characterization of irvR, a novel regulator of the irvA-dependent pathway required for genetic competence and dextran-dependent aggregation in Streptococcus mutans

Niu, G., Okinaga, T., Zhu, L., Banas, J., Qi, F. & Merritt, J., Nov 1 2008, In : Journal of bacteriology. 190, 21, p. 7268-7274 7 p.

Research output: Contribution to journalArticle

21 Scopus citations

Immunological evaluation of Lactobacillus casei Zhang: A newly isolated strain from koumiss in Inner Mongolia, China

Ya, T., Zhang, Q., Chu, F., Merritt, J., Bilige, M., Sun, T., Du, R. & Zhang, H., Nov 19 2008, In : BMC Immunology. 9, 68.

Research output: Contribution to journalArticle

64 Scopus citations

Role of sucrose in the fitness of Streptococcus mutans

Kreth, J., Zhu, L., Merritt, J., Shi, W. & Qi, F., Jun 1 2008, In : Oral microbiology and immunology. 23, 3, p. 213-219 7 p.

Research output: Contribution to journalArticle

43 Scopus citations

The cia operon of Streptococcus mutans encodes a unique component required for calcium-mediated autoregulation

He, X., Wu, C., Yarbrough, D., Sim, L., Niu, G., Merritt, J., Shi, W. & Qi, F., Oct 1 2008, In : Molecular Microbiology. 70, 1, p. 112-126 15 p.

Research output: Contribution to journalArticle

25 Scopus citations
2009

Autoaggregation response of Fusobacterium nucleatum

Merritt, J., Niu, G., Okinaga, T. & Qi, F., Dec 1 2009, In : Applied and Environmental Microbiology. 75, 24, p. 7725-7733 9 p.

Research output: Contribution to journalArticle

24 Scopus citations

Bacterial and host interactions of oral streptococci

Kreth, J., Merritt, J. & Qi, F., Aug 1 2009, In : DNA and Cell Biology. 28, 8, p. 397-403 7 p.

Research output: Contribution to journalArticle

100 Scopus citations

Genes involved in the repression of mutacin I production in Streptococcus mutans

Nguyen, T., Zhang, Z., Huang, I. H., Wu, C., Merritt, J., Shi, W. & Qi, F., Jan 1 2009, In : Microbiology. 155, 2, p. 551-556 6 p.

Research output: Contribution to journalArticle

16 Scopus citations

Role of the Streptococcus mutans irvA gene in GbpC-independent, dextran-dependent aggregation and biofilm formation

Zhu, M., Ajdić, D., Liu, Y., Lynch, D., Merritt, J. & Banas, J. A., Nov 1 2009, In : Applied and Environmental Microbiology. 75, 22, p. 7037-7043 7 p.

Research output: Contribution to journalArticle

15 Scopus citations
2010

Community and gene composition of a human dental plaque microbiota obtained by metagenomic sequencing

Xie, G., Chain, P. S. G., Lo, C. C., Liu, K. L., Gans, J., Merritt, J. & Qi, F., Dec 1 2010, In : Molecular Oral Microbiology. 25, 6, p. 391-405 15 p.

Research output: Contribution to journalArticle

57 Scopus citations

Examination of the hdrRM regulon yields insight into the competence system of Streptococcus mutans

Okinaga, T., Xie, Z., Niu, G., Qi, F. & Merritt, J., Jun 2010, In : Molecular Oral Microbiology. 25, 3, p. 165-177 13 p.

Research output: Contribution to journalArticle

34 Scopus citations

Genomic island TnSmu2 of Streptococcus mutans harbors a nonribosomal peptide synthetase-polyketide synthase gene cluster responsible for the biosynthesis of pigments involved in oxygen and H2O2 tolerance

Wu, C., Cichewicz, R., Li, Y., Liu, J., Roe, B., Ferretti, J., Merritt, J. & Qi, F., Sep 1 2010, In : Applied and Environmental Microbiology. 76, 17, p. 5815-5826 12 p.

Research output: Contribution to journalArticle

40 Scopus citations

Identification of a novel bacteriocin regulatory system in Streptococcus mutans

Xie, Z., Okinaga, T., Niu, G., Qi, F. & Merritt, J., Dec 1 2010, In : Molecular Microbiology. 78, 6, p. 1431-1447 17 p.

Research output: Contribution to journalArticle

30 Scopus citations

Mutanobactin A from the human oral pathogen Streptococcus mutans is a cross-kingdom regulator of the yeast-mycelium transition

Joyner, P. M., Liu, J., Zhang, Z., Merritt, J., Qi, F. & Cichewicz, R. H., Dec 21 2010, In : Organic and Biomolecular Chemistry. 8, 24, p. 5486-5489 4 p.

Research output: Contribution to journalArticle

56 Scopus citations

Regulation of ciaXRH operon expression and identification of the CiaR regulon in Streptococcus mutans

Wu, C., Ayala, E. A., Downey, J. S., Merritt, J., Goodman, S. D. & Qi, F., Sep 1 2010, In : Journal of bacteriology. 192, 18, p. 4669-4679 11 p.

Research output: Contribution to journalArticle

14 Scopus citations

The hdrRM operon of Streptococcus mutans encodes a novel regulatory system for coordinated competence development and bacteriocin production

Okinaga, T., Niu, G., Xie, Z., Qi, F. & Merritt, J., Apr 1 2010, In : Journal of bacteriology. 192, 7, p. 1844-1852 9 p.

Research output: Contribution to journalArticle

40 Scopus citations

The Streptococcus mutans IrvR repressor is a CI-like regulator that functions through autocleavage and Clp-dependent proteolysis

Niu, G., Okinaga, T., Qi, F. & Merritt, J., Mar 1 2010, In : Journal of bacteriology. 192, 6, p. 1586-1595 10 p.

Research output: Contribution to journalArticle

6 Scopus citations
2011

Cloning-independent and counterselectable markerless mutagenesis system in streptococcus mutans

Xie, Z., Okinaga, T., Qi, F., Zhang, Z. & Merritt, J., Nov 1 2011, In : Applied and Environmental Microbiology. 77, 22, p. 8025-8033 9 p.

Research output: Contribution to journalArticle

58 Scopus citations

Differential response of Streptococcus mutans towards friend and foe in mixed-species cultures

Liu, J., Wu, C., Huang, I. H., Merritt, J. & Qi, F., Sep 1 2011, In : Microbiology. 157, 9, p. 2433-2444 12 p.

Research output: Contribution to journalArticle

33 Scopus citations

Genetic transformation of Veillonella parvula

Liu, J., Merritt, J. & Qi, F., Sep 1 2011, In : FEMS Microbiology Letters. 322, 2, p. 138-144 7 p.

Research output: Contribution to journalLetter

6 Scopus citations

Hydrogen peroxide-dependent DNA release and transfer of antibiotic resistance genes in Streptococcus gordonii

Itzek, A., Zheng, L., Chen, Z., Merritt, J. & Kreth, J., Dec 1 2011, In : Journal of bacteriology. 193, 24, p. 6912-6922 11 p.

Research output: Contribution to journalArticle

29 Scopus citations
2012

Establishment of a tractable genetic transformation system in Veillonella spp.

Liu, J., Xie, Z., Merritt, J. & Qi, F., May 1 2012, In : Applied and Environmental Microbiology. 78, 9, p. 3488-3491 4 p.

Research output: Contribution to journalArticle

9 Scopus citations

The mutacins of Streptococcus mutans: Regulation and ecology

Merritt, J. & Qi, F., Apr 1 2012, In : Molecular Oral Microbiology. 27, 2, p. 57-69 13 p.

Research output: Contribution to journalArticle

78 Scopus citations
2013

Cloning-independent plasmid construction for genetic studies in streptococci

Xie, Z., Qi, F. & Merritt, J., Jun 17 2013, In : Journal of Microbiological Methods. 94, 2, p. 77-82 6 p.

Research output: Contribution to journalArticle

9 Scopus citations

Development of a tunable wide-range gene induction system useful for the study of streptococcal toxin-antitoxin systems

Xie, Z., Qi, F. & Merritt, J., Oct 10 2013, In : Applied and Environmental Microbiology. 79, 20, p. 6375-6384 10 p.

Research output: Contribution to journalArticle

13 Scopus citations
2014

Ubiquitous sialometabolism present among oral fusobacteria

Yoneda, S., Loeser, B., Feng, J., Dmytryk, J., Qi, F. & Merritt, J., Jun 4 2014, In : PloS one. 9, 6, e99263.

Research output: Contribution to journalArticle

10 Scopus citations
2015
15 Scopus citations

RNA regulators of host immunity and pathogen adaptive responses in the oral cavity

Kreth, J., Liu, N., Chen, Z. & Merritt, J., Jul 1 2015, In : Microbes and Infection. 17, 7, p. 493-504 12 p.

Research output: Contribution to journalArticle

3 Scopus citations

RNases J1 and J2 are critical pleiotropic regulators in Streptococcus mutans

Chen, X., Liu, N., Khajotia, S., Qi, F. & Merritt, J., Apr 1 2015, In : Microbiology (Reading, England). 161, p. 797-806 10 p.

Research output: Contribution to journalArticle

7 Scopus citations

The Streptococcus mutans irvA Gene Encodes a trans-Acting Riboregulatory mRNA

Liu, N., Niu, G., Xie, Z., Chen, Z., Itzek, A., Kreth, J., Gillaspy, A., Zeng, L., Burne, R., Qi, F. & Merritt, J., Jan 8 2015, In : Molecular Cell. 57, 1, p. 179-190 12 p.

Research output: Contribution to journalArticle

25 Scopus citations
2016

Effect of salivary agglutination on oral streptococcal clearance by human polymorphonuclear neutrophil granulocytes

Itzek, A., Chen, Z., Merritt, J. & Kreth, J., 2016, (Accepted/In press) In : Molecular Oral Microbiology.

Research output: Contribution to journalArticle

2 Scopus citations
13 Scopus citations

Real-time assessment of Streptococcus mutans biofilm metabolism on resin composite

Esteban Florez, F. L., Hiers, R. D., Smart, K., Kreth, J., Qi, F., Merritt, J. & Khajotia, S. S., Oct 1 2016, In : Dental Materials. 32, 10, p. 1263-1269 7 p.

Research output: Contribution to journalArticle

11 Scopus citations

The road less traveled - defining molecular commensalism with Streptococcus sanguinis

Kreth, J., Giacaman, R. A., Raghavan, R. & Merritt, J., 2016, (Accepted/In press) In : Molecular Oral Microbiology.

Research output: Contribution to journalArticle

25 Scopus citations