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.
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Recent Publications
The Effect of Maternal and Paternal Genotype on seed Lipid Content, Composition, and Thermal Traits in in Clone Cacao Crossings Sca6 x Pa150, in St. Augustine
Kulesza, E., Hopfer, H., Ziegler, G. R., Calle-Bellido, J., Roberts, C., Umaharan, P., Maximova, S. N. & Guiltinan, M. J., Dec 2025, In: Tropical Plant Biology. 18, 1, 33.Research output: Contribution to journal › Article › peer-review
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 journal › Article › peer-review
The cacao gene atlas: a transcriptome developmental atlas reveals highly tissue-specific and dynamically-regulated gene networks in Theobroma cacao L
Kulesza, E., Thomas, P., Prewitt, S. F., Shalit-Kaneh, A., Wafula, E., Knollenberg, B., Winters, N., Esteban, E., Pasha, A., Provart, N., Praul, C., Landherr, L., dePamphilis, C., Maximova, S. N. & Guiltinan, M. J., Dec 2024, In: BMC plant biology. 24, 1, 601.Research output: Contribution to journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-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 journal › Article › peer-review