Mark J. Guiltinan

Affiliate Researcher
Titles and Affiliations
Professor, Plant Science

Research Summary

Arabidopsis and other model species to advance research with tropical crops: core research areas are plant development, regulation of gene expression, mechanisms of plant defense responses, key metabolic pathway, genetic transformation, starch biosynthesis.

In the News

Research Keywords

Recent Publications

Accumulation of cadmium in soils, litter and leaves in cacao farms in the North Sierra Nevada de Santa Marta, Colombia

Guarín, D., Martín-López, J. M., Libohova, Z., Benavides-Bolaños, J., Maximova, S. N., Guiltinan, M. J., Spargo, J., da Silva, M., Fernandez, A. & Drohan, P., Mar 2024, In: Geoderma Regional. 36, e00762.

Research output: Contribution to journalArticlepeer-review

A combination of conserved and diverged responses underlies Theobroma cacao’s defense response to Phytophthora palmivora

Winters, N. P., Wafula, E. K., Knollenberg, B. J., Hämälä, T., Timilsena, P. R., Perryman, M., Zhang, D., Sheaffer, L. L., Praul, C. A., Ralph, P. E., Prewitt, S., Leandro-Muñoz, M. E., Delgadillo-Duran, D. A., Altman, N. S., Tiffin, P., Maximova, S. N., dePamphilis, C. W., Marden, J. H. & Guiltinan, M. J., Dec 2024, In: BMC Biology. 22, 1, 38.

Research output: Contribution to journalArticlepeer-review

Cadmium contamination in cacao farms of Piura, North Peru: A comprehensive assessment of geogenic and anthropogenic sources and implications for future production

Guarín, D., Hamamura, N. R., Cortez, J. B., Benavides, J., Spargo, J., Guiltinan, M., Maximova, S., de la Cruz, O. A. & Drohan, P. J., Dec 2023, In: Environmental Challenges. 13, 100765.

Research output: Contribution to journalArticlepeer-review

Cadmium phytoextraction by Helianthus annuus (sunflower), Brassica napus cv Wichita (rapeseed), and Chyrsopogon zizanioides (vetiver)

Benavides, B. J., Drohan, P. J., Spargo, J. T., Maximova, S. N., Guiltinan, M. J. & Miller, D. A., Feb 2021, In: Chemosphere. 265, 129086.

Research output: Contribution to journalArticlepeer-review

Transcriptomic analyses of cacao flavonoids produced in photobioreactors

Gallego, A. M., Rojas, L. F., Valencia, W. G., Atehortúa, L., Urrea, A. I., Fister, A. S., Guiltinan, M. J., Maximova, S. N. & Pabón-Mora, N., Dec 2021, In: BMC genomics. 22, 1, 551.

Research output: Contribution to journalArticlepeer-review

Genomic structural variants constrain and facilitate adaptation in natural populations of Theobroma cacao, the chocolate tree

Hämälä, T., Wafula, E. K., Guiltinan, M. J., Ralph, P. E., dePamphilis, C. W. & Tiffin, P., Aug 31 2021, In: Proceedings of the National Academy of Sciences of the United States of America. 118, 35, e2102914118.

Research output: Contribution to journalArticlepeer-review

Inter-species functional compatibility of the Theobroma cacao and Arabidopsis FT orthologs: 90 million years of functional conservation of meristem identity genes

Prewitt, S. F., Shalit-Kaneh, A., Maximova, S. N. & Guiltinan, M. J., Dec 2021, In: BMC plant biology. 21, 1, 218.

Research output: Contribution to journalArticlepeer-review

Widely distributed variation in tolerance to Phytophthora palmivora in four genetic groups of cacao

Fister, A. S., Leandro-Muñoz, M. E., Zhang, D., Marden, J. H., Tiffin, P., dePamphilis, C., Maximova, S. & Guiltinan, M. J., Feb 1 2020, In: Tree Genetics and Genomes. 16, 1, 1.

Research output: Contribution to journalArticlepeer-review

Gene Expression Modularity Reveals Footprints of Polygenic Adaptation in Theobroma cacao

Hämälä, T., Guiltinan, M. J., Marden, J. H., Maximova, S. N., Depamphilis, C. W. & Tiffin, P., Jan 1 2020, In: Molecular biology and evolution. 37, 1, p. 110-123 14 p.

Research output: Contribution to journalArticlepeer-review

Clovamide, a Hydroxycinnamic Acid Amide, Is a Resistance Factor Against Phytophthora spp. in Theobroma cacao

Knollenberg, B. J., Li, G. X., Lambert, J. D., Maximova, S. N. & Guiltinan, M. J., Dec 23 2020, In: Frontiers in Plant Science. 11, 617520.

Research output: Contribution to journalArticlepeer-review

Metabolomic profile of cacao cell suspensions growing in blue light/dark conditions with potential in food biotechnology

Gallego, A. M., Rojas, L. F., Rodriguez, H. A., Mora, C., Atehortúa, L., Urrea, A. I., Guiltinan, M. J., Maximova, S. N., Gaquerel, E., Zuluaga, M. & Pabón-Mora, N., Nov 1 2019, In: Plant Cell, Tissue and Organ Culture. 139, 2, p. 275-294 20 p.

Research output: Contribution to journalArticlepeer-review

Resistant and susceptible cacao genotypes exhibit defense gene polymorphism and unique early responses to Phytophthora megakarya inoculation

Pokou, D. N., Fister, A. S., Winters, N., Tahi, M., Klotioloma, C., Sebastian, A., Marden, J. H., Maximova, S. N. & Guiltinan, M. J., Mar 1 2019, In: Plant molecular biology. 99, 4-5, p. 499-516 18 p.

Research output: Contribution to journalArticlepeer-review

Glucocorticoid receptor-regulated TcLEC2 expression triggers somatic embryogenesis in Theobroma cacao leaf tissue

Fister, A. S., Landherr, L., Perryman, M., Zhang, Y., Guiltinan, M. J. & Maximova, S. N., Nov 2018, In: PloS one. 13, 11, e0207666.

Research output: Contribution to journalArticlepeer-review

Transient expression of CRISPR/Cas9 machinery targeting TcNPR3 enhances defense response in theobroma cacao

Fister, A. S., Landherr, L., Maximova, S. N. & Guiltinan, M. J., Mar 2 2018, In: Frontiers in Plant Science. 9, 268.

Research output: Contribution to journalArticlepeer-review

Transcriptomic analyses of cacao cell suspensions in light and dark provide target genes for controlled flavonoid production

Gallego, A. M., Rojas, L. F., Parra, O., Rodriguez, H. A., Mazo Rivas, J. C., Urrea, A. I., Atehortúa, L., Fister, A. S., Guiltinan, M. J., Maximova, S. N. & Pabón-Mora, N., Dec 1 2018, In: Scientific reports. 8, 1, 13575.

Research output: Contribution to journalArticlepeer-review