Projects

Molecular Characterization and Diversity Assessment of Cocoa Germplasm in the Americas Appropriated (D)   Accession Number: 414581

Biological Control of the Coffee Berry Borer Appropriated (D)   Accession Number: 409873

Use of Molecular Tools for Improving the Efficacy of Biological Control Strategies for Cacao Diseases Appropriated (D)   Accession Number: 412006

Microsatellite Development for Tropical Crops Grant (G)   Accession Number: 417962

Development of High Throughput Transcriptome Sequences Grant (G)   Accession Number: 418045

A Systems Approach for the Control of Major Diseases of Cacao Nonfunded Cooperative Agreement (N)   Accession Number: 410621

DNA Fingerprinting of Coca Leaves to Establish Coca Genotypes Reimbursable (R)   Accession Number: 416471

Enhancing Productivity of Theobroma Cacao Through Biological Control of Disease and Improved Breeding Using Molecular Approaches Specific Cooperative Agreement (S)   Accession Number: 411971

Cacao Genotypic Response to Abiotic Stresses, Management and Soil Quality and the Acquisition and Characterization of Cacao Germplasm Specific Cooperative Agreement (S)   Accession Number: 413253

Single Nucleotide Polymorphism (Snp) Resources for Cacao Germplasm Characterization Specific Cooperative Agreement (S)   Accession Number: 413022

Effects of Glyphosphate on Alkaloid Production in Erthroxylum Specific Cooperative Agreement (S)   Accession Number: 409887

Comparative Genomic Analyses of Fungal Pathogens of Cacao Specific Cooperative Agreement (S)   Accession Number: 412258

Theobroma Cacao: Biodiversity in Full and Partial Forest Canopy Specific Cooperative Agreement (S)   Accession Number: 410463

Biocontrol of Diseases of Cacao, a Narcotic Crop Alternative Specific Cooperative Agreement (S)   Accession Number: 411634

Develop Efficient Management System for Tropical Tree Crops and Assess Germplasm and Biocontrol Agents to Improve Cacao Sustainability Specific Cooperative Agreement (S)   Accession Number: 412159

Publications

Molecular characterization of an earliest cacao (Theobroma cacao L.) collection from Peruvian Amazon using microsatllite DNA markers - (Peer Reviewed Journal)

Zhang, D., Boccara, M., Motilal, L., Mischke, B.S., Johnson, E.S., Butler, D., Bailey, B.A., Meinhardt, L.W. 2009. Molecular characterization of an earliest cacao (Theobroma cacao L.) collection from Peruvian Amazon using microsatllite DNA markers. Tree Genetics and Genomes. http://dx.doi.org/10.1007/s11295-009-0212-2.

A genome survey of Moniliophthora perniciosa gives new insights into Witches¿ Broom Disease of cacao - (Peer Reviewed Journal)

Mondego, J.M., Carazolle, M.F., Costa, G., Formighieri, L.P., Parizzi, L.P., Rincones, J., Cotomacci, C., Vidal, R.O., Estrela, R.C., Garcia, O., Castro, L.A., Gramacho, K.P., Goncalves, M.S., Neto-Goes, A., Barbosa, L.V., Guiltinan, M.J., Bailey, B.A., Meinhardt, L.W., Cascardo, J.C., Pereira, G.A. 2008. A genome survey of Moniliophthora perniciosa gives new insights into Witches¿ Broom Disease of cacao. Biomed Central (BMC) Genomics. 9:548.

The occurrence and frequency of Witches¿ Broom Disease associated with Wild Cacao from the Upper Amazon of Peru - (Abstract)

Arevalo, E.G., Marquez, D.K., Samuels, G.J., Zhang, D., Robles, R., Arevalo, J., Barreto, A., Alvardo, C., Baligar, V.C., Meinhardt, L.W. 2008. The occurrence and frequency of Witches¿ Broom Disease associated with Wild Cacao from the Upper Amazon of Peru. XX Congress Peruano de Fitopatologia 2008. Meeting Abstract. #58.

Comparative Genome Analyses of Moniliophthora Perniciosa and Moniliophthora Roreri: Two Closely Related Phytopathogenic Basidiomycetes That Cause Distinctly Different Diseases of Theobroma Cacao - (Abstract)

Meinhardt, L.W., Bailey, B.A., Guiltinan, M., Carazzolle, M.F., Lacerda, G., Mondego, J., Formigheri, E., Periera, G.A. 2008. Comparative genome analyses of moniliophthora perniciosa and moniliophthora roreri: two closely related phytopathogenic basidiomycetes that cause distinctly different diseases of theobroma cacao. Mid Atlantic Plant Molecular Biology Society Conference. .

Moniliophthora perniciosa, the causal agent of witches¿ broom disease of cacao: What¿s new from this old foe? - (Review Article)

Meinhardt, L.W., Rincones, J., Bailey, B.A., Aime, M.C., Griffith, C., Zhang, D., Pereira, G. 2008. Moniliophthora perniciosa, the causal agent of witches¿ broom disease of cacao: What¿s new from this old foe. Molecular Plant Pathology. 9(5):577-588.

Population Structure and Genetic Diversity of the Trinitario Cacao (Theobroma Cacao L.) from Trinidad and Tobago - (Peer Reviewed Journal)

Johnson, E.S., Bekele, F., Brown, J.S., Song, J.H., Motamayor, J., Zhang, D., Schnell II, R.J., Meinhardt, L.W. 2009. Population Structure and Genetic Diversity of the Trinitario Cacao (Theobroma Cacao L.) from Trinidad and Tobago. Crop Science. 49:564-572.

The phytopathogenic basidiomycete Moniliophthora perniciosa senesces and contains a kalilo-like plasmid stably integrated in its large mitochondrial genome - (Peer Reviewed Journal)

Formighieri, E.F., Tiburcio, R.A., Armas, E.D., Shimo, H.M., Carels, N., Goes-Neto, A., Araujo, M.R., Cotomacci, C., Carazzolle, M.F., Thomazella, D.P., Sardinha-Pinto, N., Rincones, J., Digiampietri, L.A., Carraro, D.M., Azeredo-Espin, A., Reis, S.F., Deckman, A.C., Gramacho, K., Goncalves, M.S., Moura-Neto, J.P., Luciana, V.B., Meinhardt, L.W., Cascardo, J.C., Pereira, G.A. 2008. The phytopathogenic basidiomycete Moniliophthora perniciosa senesces and contains a kalilo-like plasmid stably integrated in its large mitochondrial genome. Mycological Research. http://apsjournals.apsnet.org/doi/pdf/10.1094/MPMI-21-7-0891.

Molecular characterization of an International cocoa collection using microsallte markers - (Peer Reviewed Journal)

Zhang, D., Mischke, B.S., Johnson, E.S., Mora, A., Phillips-Mora, W., Meinhardt, L.W. 2008. Molecular characterization of an International cocoa collection using microsallte markers. Tree Genetics & Genomics. doi: http://dx.doi.org/10.1007/s11295-008-0163-z.

Differential gene expression between the biotrophic-like and saprotrophic mycelia of the Witches¿ broom pathogen Moniliophthora perniciosa - (Peer Reviewed Journal)

Rincones, J., Scarpari, L.M., Mondego, J.M., Carazzolle, M.F., Formighieri, E.F., Costa, G.G., Barau, J.G., Vilas-Boas, L.A., Sabha, M., Azevedo, R.A., Dias, R., Cascardo, J.M., Meinhardt, L.W., Periera, G.A. 2008. Differential gene expression between the biotrophic-like and saprotrophic mycelia of the Witches¿ broom pathogen Moniliophthora perniciosa. Molecular Microbiology. 21:891-908.

Differential gene expression between the biotrophic-like and saprotrophic mycelia of the Witches¿ broom pathogen Moniliophthora perniciosa. - (Abstract)

Rincones, J., Scarpari, L.M., Mondego, J.M., Formighieri, E.F., Sabha, M., Carazzolle, M.F., Barau, J.G., Meinhardt, L.W., Pereira, G.A. Differential gene expression between the biotrophic-like and saprotrophic mycelia of the Witches¿ broom pathogen Moniliophthora perniciosa. Fungal Genetics Conference Proceedings. www.fgsc.net/asil2007/xxivfgcposterabs.htm

On the Ancestry of the Ics Clones of Trinidad and Tobago - (Abstract)

Johnson, E.S., Bekele, F.L., Zhang, D., Schnell Ii, R.J., Meinhardt, L.W. 2008. On the ancestry of the ics clones of trinidad and tobago. Plant and Animal Genome VX Conference Abstracts.Poster Presentation at the PAG XVI Conference, San Diego, CA. January 12-16, Abstr. P121, p. 149.

Genetic comparison of two related fungal pathogens of Theobroma cacao - (Proceedings/Symposium)

Meinhardt, L.W., Bailey, B.A., Guiltinan, M., Pereira, G.A. 2007. Genetic comparison of two related fungal pathogens of Theobroma cacao. International Conference on Microbial Genomes.

Genetic diversity and population structure of cacao landraces in Northern and Central coastal Ecuador - (Peer Reviewed Journal)

Zhang, D., Amores, F., Cedeno, A., Hermann, M., Meinhardt, L.W. 2008. Genetic diversity and population structure of cacao landraces in Northern and Central coastal Ecuador. Conservation Genetics. 9(2) 327-337.

Involvement of calcium oxalate degradation during programmed cell death in Theobroma cacao tissues triggered by the hemibiotrophic fungus Moniliophthora perniciosa - (Peer Reviewed Journal)

Ceita, G.D., Macedo, J.N., Santos, T.B., Alemanno, L., Gesteira, A.D., Micheli, F., Mariano, A.C., Gramacho, K.P., Silva, D.D., Meinhardt, L.W., Mazzafera, P., Pereira, G.A., Cascardo, J.D. Involvement of calcium oxalate degradation during programmed cell death in Theobroma cacao tissues triggered by the hemibiotrophic fungus Moniliophthora perniciosa. Plant Science. 173 (2007) 106-117

Characterization of Necrosis and Ethylene inducing Proteins (NEP) in the Basidiomycete Moniliophthora perniciosa, the Causal Agent of Witches¿ Broom in Theobroma cacao - (Peer Reviewed Journal)

Garcia, O., Macedo, J., Tiburcio, R., Zaparoli, G., Bittencourt, L.M., Ceita, G., Rincones, J., Micheli, F., Gesteira, A., Mariano, A., Schiavinato, M.A., Medrano, F., Meinhardt, L.W., Pereira, G.A., Cascardo, J.C. 2007. Characterization of Necrosis and Ethylene inducing Proteins (NEP) in the Basidiomycete Moniliophthora perniciosa, the Causal Agent of Witches¿ Broom in Theobroma cacao. Mycological Research. 111:443-455.

Concentration and Uptake of P,zn and Fe As Influenced by Soil Acidity, and Levels and Forms of N,p and Fe in Cacao - (Abstract)

Baligar, V.C., Fageria, N.K., Machado, R.C., Meinhardt, L.W. 2006. Concentration and uptake of p,zn and fe as influenced by soil acidity, and levels and forms of n,p and fe in cacao. Proceedings of the International Cocoa Producer's Conference. 10.09.06

¿Refractario¿ cocoa ¿ genetic identity and genetic structure assessed using microsallite markers - (Peer Reviewed Journal)

Zhang, D., Boccara, M., Motilal, L., Butler, D.R., Umaharan, P., Mischke, B.S., Meinhardt, L.W. 2006. ¿Refractario¿ cocoa ¿ genetic identity and genetic structure assessed using microsallite markers. Conservation Genetics. 9(2):327-337.

Genetic Variability and Chromosome-Length Polymorphisms of the Witches¿ Broom Pathogen Crinipellis Perniciosa from Various Plant Hosts in South America - (Peer Reviewed Journal)

Rincones, J., Mazotti, G.D., Griffith, G.W., Pomela, A.W., Figueira, A., Queiroz, M.V., Pereira, J.F., Azevedo, R.A., Pereira, G.A., Meinhardt, L.W. 2006. Genetic variability and chromosome-length polymorphisms of the witches¿ broom pathogen crinipellis perniciosa from various plant hosts in south america. Mycological Research. 110:821-832.