Timothy W. McNellis

Affiliate Researcher
Titles and Affiliations
Associate Professor, Plant Pathology and Environmental Microbiology

Research Summary

Studies the interaction of plants with bacterial pathogens at the molecular level. These studies involve a model system for ease of genetic analysis as well as a system of importance to agriculture. 

In the News

Research Keywords

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Recent Publications

Glyceraldehyde-3-phosphate dehydrogenase is required for fire blight disease establishment in apple fruitlets

Schultes, N. P., Sinn, J. P. & McNellis, T. W., Jul 2023, In: Physiological and Molecular Plant Pathology. 126, 102044.

Research output: Contribution to journalArticlepeer-review

Putative transcription antiterminator RfaH contributes to Erwinia amylovora virulence

Klee, S. M., Sinn, J. P., Held, J., Vosburg, C., Holmes, A. C., Lehman, B. L., Peter, K. A. & McNellis, T. W., Nov 2022, In: Molecular plant pathology. 23, 11, p. 1686-1694 9 p.

Research output: Contribution to journalArticlepeer-review

Flowering Locus T chimeric protein induces floral precocity in edible citrus

Sinn, J. P., Held, J. B., Vosburg, C., Klee, S. M., Orbovic, V., Taylor, E. L., Gottwald, T. R., Stover, E., Moore, G. A. & McNellis, T. W., Feb 2021, In: Plant Biotechnology Journal. 19, 2, p. 215-217 3 p.

Research output: Contribution to journalArticlepeer-review

Virulence genetics of an erwinia amylovora putative polysaccharide transporter family member

Klee, S. M., Sinn, J. P., Christian, E., Holmes, A. C., Zhao, K., Lehman, B. L., Peter, K. A., Rosa, C. & McNellis, T. W., Nov 2020, In: Journal of bacteriology. 202, 22, e00390-20.

Research output: Contribution to journalArticlepeer-review

Erwinia amylovora auxotrophic mutant exometabolomics and virulence on apples

Klee, S. M., Sinn, J. P., Finley, M., Allman, E. L., Smith, P. B., Aimufua, O., Sitther, V., Lehman, B. L., Krawczyk, T., Peter, K. A. & McNellis, T. W., 2019, In: Applied and environmental microbiology. 85, 15, e00935-19.

Research output: Contribution to journalArticlepeer-review

Extragenic suppression of elongation factor P gene mutant phenotypes in erwinia amylovora

Klee, S. M., Sinn, J. P., Holmes, A. C., Lehman, B. L., Krawczyk, T., Peter, K. A. & McNellis, T. W., 2019, In: Journal of bacteriology. 201, 11, e0072218.

Research output: Contribution to journalArticlepeer-review

An Erwinia amylovora yjeK mutant exhibits reduced virulence, increased chemical sensitivity and numerous environmentally dependent proteomic alterations

Klee, S. M., Mostafa, I., Chen, S., Dufresne, C., Lehman, B. L., Sinn, J. P., Peter, K. A. & McNellis, T. W., Jul 2018, In: Molecular plant pathology. 19, 7, p. 1667-1678 12 p.

Research output: Contribution to journalArticlepeer-review

Identification of apple miRNAs and their potential role in fire blight resistance

Kaja, E., Szcześniak, M. W., Jensen, P. J., Axtell, M. J., McNellis, T. & Makałowska, I., Nov 23 2015, In: Tree Genetics and Genomes. 11, 1

Research output: Contribution to journalArticlepeer-review

Erwinia amylovora pyrC mutant causes fire blight despite pyrimidine auxotrophy

Ramos, L. S., Sinn, J. P., Lehman, B. L., Pfeufer, E. E., Peter, K. A. & McNellis, T. W., Jun 1 2015, In: Letters in Applied Microbiology. 60, 6, p. 572-579 8 p.

Research output: Contribution to journalArticlepeer-review

Mapping in an apple (Malus x domestica) F1 segregating population based on physical clustering of differentially expressed genes

Jensen, P. J., Fazio, G., Altman, N., Praul, C. & McNellis, T. W., Apr 4 2014, In: BMC genomics. 15, 1, 261.

Research output: Contribution to journalArticlepeer-review

Mutation of the Erwinia amylovora argD gene causes arginine auxotrophy, nonpathogenicity in apples, and reduced virulence in pears

Ramos, L. S., Lehman, B. L., Peter, K. A. & McNellis, T. W., 2014, In: Applied and environmental microbiology. 80, 21, p. 6739-6749 11 p.

Research output: Contribution to journalArticlepeer-review

The fire blight pathogen Erwinia amylovora requires the rpoN gene for pathogenicity in apple

Ramos, L. S., Lehman, B. L., Sinn, J. P., Pfeufer, E. E., Halbrendt, N. O. & Mcnellis, T. W., Oct 2013, In: Molecular plant pathology. 14, 8, p. 838-843 6 p.

Research output: Contribution to journalArticlepeer-review

Rootstock-regulated gene expression patterns associated with fire blight resistance in apple

Jensen, P. J., Halbrendt, N., Fazio, G., Makalowska, I., Altman, N., Praul, C., Maximova, S. N., Ngugi, H. K., Crassweller, R. M., Travis, J. W. & McNellis, T. W., Jan 9 2012, In: BMC genomics. 13, 1, 9.

Research output: Contribution to journalArticlepeer-review

Knockdown of FIBRILLIN4 Gene Expression in Apple Decreases Plastoglobule Plastoquinone Content

Singh, D. K., Laremore, T. N., Smith, P. B., Maximova, S. N. & McNellis, T. W., Oct 12 2012, In: PloS one. 7, 10, e47547.

Research output: Contribution to journalArticlepeer-review

Fibrillin protein function: The tip of the iceberg?

Singh, D. K. & McNellis, T. W., Aug 1 2011, In: Trends in Plant Science. 16, 8, p. 432-441 10 p.

Research output: Contribution to journalReview articlepeer-review