Siela Maximova

Research Professor of Plant Biotechnology Co-Director, Endowed Program in the Molecular Biology of Cocoa

Siela Maximova

Research Summary

Molecular basis of plant-pathogen and plant-endophyte interactions. Biotechnology of tree crops. Development of sustainable energy crops.

Huck Graduate Students

Huck Affiliations

Publication Tags

Genes Theobroma Cacao Cacao Gene Expression Genotype Arabidopsis Phytophthora Transcription Factors Genomics Infection Leaves Flavonoids Chocolate Tissues Seeds Flowering Disease Resistance Genome Pathogens Tropical Plants Somatic Embryogenesis Salicylic Acid Light Demography Flowers

Most Recent Papers

Transcriptomic analyses of cacao flavonoids produced in photobioreactors

Adriana M. Gallego, Luisa F. Rojas, Wilmar G. Valencia, Lucía Atehortúa, Aura I. Urrea, Andrew S. Fister, Mark J. Guiltinan, Siela Maximova, Natalia Pabón-Mora, 2021, BMC Genomics

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

S. F. Prewitt, A. Shalit-Kaneh, S. N. Maximova, M. J. Guiltinan, 2021, BMC Plant Biology

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

Benjamin J. Knollenberg, Guo Xing Li, Joshua D. Lambert, Siela N. Maximova, Mark J. Guiltinan, 2020, Frontiers in Plant Science

Antiradical Activity of Hydrolysates and Extracts from Mollusk <i>A. broughtonii</i> and Practical Application to the Stabilization of Lipids.

O Tabakaeva, W Piekoszewski, T Kalenik, Siela Maximova, A Tabakaev, D Poleshyk, L Proniewicz, 2020, Foods (Basel, Switzerland)

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

Andrew Fister, Mariela Leandro-Muñoz, Dapeng Zhang, James H. Marden, Peter Tiffin, Claude dePamphilis, Siela Maximova, Mark J. Guiltinan, 2020, Tree Genetics and Genomes

Gene Expression Modularity Reveals Footprints of Polygenic Adaptation in Theobroma cacao

Tuomas Hämälä, Mark J. Guiltinan, James H. Marden, Siela N. Maximova, Claude dePamphilis, Peter Tiffin, 2020, Molecular Biology and Evolution on p. 110-123

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

Adriana M. Gallego, Luisa F. Rojas, Héctor A. Rodriguez, Conrado Mora, Lucía Atehortúa, Aura I. Urrea, Mark J. Guiltinan, Siela N. Maximova, Emmanuel Gaquerel, Martha Zuluaga, Natalia Pabón-Mora, 2019, Plant Cell, Tissue and Organ Culture on p. 275-294

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

Désiré N. Pokou, Andrew S. Fister, Noah Winters, Mathias Tahi, Coulibaly Klotioloma, Aswathy Sebastian, James H. Marden, Siela N. Maximova, Mark J. Guiltinan, 2019, Plant Molecular Biology on p. 499-516

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

Andrew Fister, Mariela Leandro-Munoz, Dapeng Zhang, J Marden, Peter Tiffin, C dePamphilis, Siela Maximova, M Guiltinan, 2019, TREE GENETICS & GENOMES

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

Adriana M. Gallego, Luisa F. Rojas, Oriana Parra, Héctor A. Rodriguez, Juan C. Mazo Rivas, Aura Inés Urrea, Lucía Atehortúa, Andrew S. Fister, Mark J. Guiltinan, Siela N. Maximova, Natalia Pabón-Mora, 2018, Scientific Reports

Most-Cited Papers

Proanthocyanidin synthesis in Theobroma cacao: Genes encoding anthocyanidin synthase, anthocyanidin reductase, and leucoanthocyanidin reductase

Yi Liu, Zi Shi, Siela Maximova, Mark J. Payne, Mark J. Guiltinan, 2013, BMC Plant Biology

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

Andrew S. Fister, Lena Landherr, Siela N. Maximova, Mark J. Guiltinan, 2018, Frontiers in Plant Science

Pervasive effects of a dominant foliar endophytic fungus on host genetic and phenotypic expression in a tropical tree

Luis C. Mejía, Edward A. Herre, Jed P. Sparks, Klaus Winter, Milton N. García, Sunshine A. Van Bael, Joseph Stitt, Zi Shi, Yufan Zhang, Mark J. Guiltinan, Siela N. Maximova, 2014, Frontiers in Microbiology

Enhanced somatic embryogenesis in Theobroma cacao using the homologous BABY BOOM transcription factor

Sergio L. Florez, Rachel L. Erwin, Siela N. Maximova, Mark J. Guiltinan, Wayne R. Curtis, 2015, BMC Plant Biology

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

Philip J. Jensen, Noemi Halbrendt, Gennaro Fazio, Izabela Makalowska, Naomi Altman, Craig Praul, Siela N. Maximova, Henry K. Ngugi, Robert M. Crassweller, James W. Travis, Timothy W. McNellis, 2012, BMC Genomics

Characterization of a stearoyl-acyl carrier protein desaturase gene family from chocolate tree, theobroma cacao L

Yufan Zhang, Siela N. Maximova, Mark J. Guiltinan, 2015, Frontiers in Plant Science on p. 1-12

The salicylic acid receptor NPR3 is a negative regulator of the transcriptional defense response during early flower development in Arabidopsis

Zi Shi, Siela Maximova, Yi Liu, Joseph Verica, Mark J. Guiltinan, 2013, Molecular Plant on p. 802-816

The Theobroma cacao B3 domain transcription factor TcLEC2 plays a duel role in control of embryo development and maturation

Yufan Zhang, Adam Clemens, Siela N. Maximova, Mark J. Guiltinan, 2014, BMC Plant Biology on p. 106

Dynamic changes in pod and fungal physiology associated with the shift from biotrophy to necrotrophy during the infection of Theobroma cacao by Moniliophthora roreri

Bryan A. Bailey, Jayne Crozier, Richard C. Sicher, Mary D. Strem, Rachel Melnick, Marcelo F. Carazzolle, Gustavo G.L. Costa, Gonçalo A.G. Pereira, Dapeng Zhang, Siela Maximova, Mark Guiltinan, Lyndel Meinhardt, 2013, Physiological and Molecular Plant Pathology on p. 84-96

Protocol: Transient expression system for functional genomics in the tropical tree theobroma cacao L.

Andrew S. Fister, Zi Shi, Yufan Zhang, Emily E. Helliwell, Siela N. Maximova, Mark J. Guiltinan, 2016, Plant Methods

News Articles Featuring Siela Maximova

Discovery of chemical clue may lead to solving cacao's black pod rot mystery

The finding of relatively high levels of the antimicrobial compound clovamide in the leaves of a disease-resistant strain of cacao has significant implications for breeding trees that can tolerate black pod rot, according to Penn State researchers who conducted a novel study.

Novel way to ID disease-resistance genes in chocolate-producing trees found

Chocolate-producing cacao trees that are resistant to a major pathogen were identified by an international team of plant geneticists. The findings point the way for plant breeders to develop trees that are tolerant of the disease.

Global Faculty Fellow will create connections between Penn State and Colombia

Siela Maximova, research professor of plant biotechnology, has been named a Global Faculty Fellow in Penn State's College of Agricultural Sciences and a Land Grant University U.S.-Colombia Fulbright Scholar.

These Kids Have Come 500 Miles To Do Science And Make A Difference

The road between Arauquita, relatively near Colombia’s border with Venezuela, and the nation’s capital in Bogota stretches over 800 kilometers (500 miles), but for one week in October, a special group bridged that gap in more ways than one.

Guiltinan, Maximova receive the 2019 Kopp International Achievement Award

Mark Guiltinan, professor of plant molecular biology, and Siela Maximova, research professor of plant biotechnology, both in the College of Agricultural Sciences, are the recipients of Penn State's 2019 W. LaMarr Kopp International Achievement Award.

Searching for Chocolate’s Roots, and Enemies, in Colombia’s Wilderness

A newfound peace has spurred the hunt for disease-resistant wild cacao within the nation’s borders.