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Maria-Jose Truco

Maria-Jose Truco

4212A UC Davis Genome Center-GBSF
451 Health Sciences Drive
University of California
Davis, California 95616

Phone: (530)752-8889
Fax: (530)752-9658
Email: mjtruco@ucdavis.edu

Position Assistant Researcher
Education Ph.D. Genetics. June 1993. Dissertation: Genome structure and organization ofBrassica nigra (B genome) and related species.
University of California, Davis. M.S. Genetics. June 1991.
University of California, Davis. M.S. Biological Sciences. December 1986.
University of Barcelona (Spain). B.S. Biological Sciences. June 1985. University of Barcelona. (Spain)
Research Topic Breeding leaf lettuce. Molecular markers and map integration. QTL analysis of domestication traits.
Research Summary Development of advanced breeding lines of leafy lettuce with resistance to Lettuce downy mildew, Anthracnose, Corky root and Lettuce Mosaic Virus.
Use and development of molecular markers to aid on the breeding strategy and to characterize new sources of resistance.
Integration of molecular maps developed on multiple lettuce populations segregating for a variety of traits including resistance genes and morphological traits.
QTL mapping of domestication traits of agricultural importance relative to candidate genes.

--- Key Publications ---

  • Yoong FY, O'Brien LK, Truco MJ, Huo H, Sideman R, Hayes R, Michelmore RW, Bradford KJ. (2016Genetic Variation for Thermotolerance in Lettuce Seed Germination Is Associated with Temperature-Sensitive Regulation of ETHYLENE RESPONSE FACTOR1 (ERF1). Plant Physiol. 2016. Jan;170(1):472-88.     
  • Parra L, Maisonneuve B, Schut J, Christopoulou M, Jeuken M, McHale L, Truco M-J, Crute I, Michelmore R (2016Rationalization of genes for resistance to Bremia lactucae in lettuce Euphytica 2016. 210: 309-326.  
  • Simko I, Ochoa O, Pel MA, Tsuchida C, Font I Forcada C, Hayes RJ, Truco MJ, Antonise R, Galeano CH, Michelmore R. (2015Resistance to downy mildew in lettuce cv. La Brillante is conferred by Dm50 gene and multiple QTLs. Phytopathology. 2015. Apr 27.     
  • Christopoulou M, Wo SR, Kozik A, McHale LK, Truco MJ, Wroblewski T, Michelmore RW. (2015Genome-Wide Architecture of Disease Resistance Genes in Lettuce G3 (Bethesda) 2015. Oct 8;5(12):2655-69.     
  • Truco, M. J., Ashrafi, H., Kozik, A., van Leeuwen, H., Bowers, J., Wo, S. R. C., Stoffel, K., Xu, H., Hill, T., Deynze, A. V., & Michelmore, R. W.  (2013An Ultra High-Density, Transcript-Based, Genetic Map of Lettuce G3: Genes| Genomes| Genetics. 2013.   
  • Hill TA, Ashrafi H, Reyes-Chin-Wo S, Yao J, Stoffel K, Truco MJ, Kozik A, Michelmore RW, Van Deynze A. (2013Characterization of Capsicum annuum genetic diversity and population structure based on parallel polymorphism discovery with a 30K unigene pepper GeneChip PLoS One 2013. Feb 8. [Epub]     
  • Jenni S, Truco MJ, Michelmore RW. (2013Quantitative trait loci associated with tipburn, heat stress-induced physiological disorders, and maturity traits in crisphead lettuce. Theor Appl Genet 2013. Sep 28. [Epub ahead of print]     
  • Simko I, Atallah AJ, Ochoa OE, Antonise R, Galeano CH, Truco MJ, Michelmore RW. (2013Identification of QTLs conferring resistance to downy mildew in legacy cultivars of lettuce. Sci Rep. 2013. Oct 7;3:2875     
  • Atkinson LD, McHale LK, Truco MJ, Hilton HW, Lynn J, Schut JW, Michelmore RW, Hand P, Pink DA. (2013An intra-specific linkage map of lettuce (Lactuca sativa) and genetic analysis of postharvest discolouration traits. Theor Appl Genet. 2013. Aug 20. [Epub ahead of print]     
  • Stoffel, K., van Leeuwen, H., Kozik, A., Caldwell, D., Ashrafi, H., Cui, X., Tan, X., Hill, Reyes Chin-Wo, M.J., Truco, Michelmore, R.W., Van Deynze, A.  (2012Development and application of a 6.6 Million Feature Affymetrix GeneChip? for massively parallel discovery of single position polymorphisms in lettuce (Lactuca spp.). BMC Genomics. 2012. 13:185. doi: 10.1186/1471-2164-13-185.     
  • Hayes, R.J., McHale, L.K., Vallad, G.E., Truco, M-J., Michelmore, R.W., Klosterman, S.J., Maruthachalam, K., Krishna V. Subbarao, K.V.  (2011The inheritance of resistance to Verticillium wilt caused by race 1 isolates of Verticillium dahliae in the lettuce cultivar La Brillante. Theor. Appl. Genet. 2011. DOI 10.1007/s00122-011-1603-y.     
  • Simko, I., Hayes, R.J., Truco, M.-J., Michelmore, R.W. (2011Mapping a dominant negative mutation for triforine sensitivity in lettuce and its use as a selectable marker for detecting hybrids.  Euphytica 2011. 182:157-166. doi:10.1007/s10681-011-0407-0.  
  • Argyris J, Truco MJ, Ochoa O, McHale L, Dahal P, Van Deynze A, Michelmore RW, Bradford KJ. (2011A gene encoding an abscisic acid biosynthetic enzyme (LsNCED4) collocates with the high temperature germination locus Htg6.1 in lettuce (Lactuca sp.). Theor Appl Genet. 2011. 122(1):95-108.     
  • Hayes, R.J., McHale, L.K., Vallad, G.E., Truco, M-J., Michelmore, R.W., Klosterman, S.J., Maruthachalam, K., Krishna V. Subbarao, K.V.  (2011The inheritance of resistance to Verticillium wilt caused by race 1 isolates of Verticillium dahliae in the lettuce cultivar La Brillante. Theor. Appl. Genet.  2011. DOI 10.1007/s00122-011-1603-y.     
  • Simko, I., Pechenick, D.A., McHale, L.K., Truco, M.J., Ochoa, O.E., Michelmore, R.W., Scheffler, B.E.  (2010Development of molecular markers for marker-assisted selection of dieback disease resistance in lettuce (Lactuca sativa). Acta Horticulturae. 2010. 859:401-408.  
  • Simko I, Pechenick DA, McHale LK, Truco MJ, Ochoa OE, Michelmore RW, Scheffler BE. (2009Association mapping and marker-assisted selection of the lettuce dieback resistance gene Tvr1. BMC Plant Biol. 2009. 9:135.     
  • McHale LK, Truco MJ, Kozik A, Wroblewski T, Ochoa OE, Lahre KA, Knapp SJ, Michelmore RW. (2009The genomic architecture of disease resistance in lettuce. Theor Appl Genet. 2009. 118(3):565-80.     
  • Zhang FZ, Wagstaff C, Rae AM, Sihota AK, Keevil CW, Rothwell SD, Clarkson GJ, Michelmore RW, Truco MJ, Dixon MS, Taylor G. (2007QTLs for shelf life in lettuce co-locate with those for leaf biophysical properties but not with those for leaf developmental traits. J Exp Bot. 2007. 58(6):1433-49.     
  • Truco MJ, Antonise R, Lavelle D, Ochoa O, Kozik A, Witsenboer H, Fort SB, Jeuken MJ, Kesseli RV, Lindhout P, Michelmore RW, Peleman J. (2007A high-density, integrated genetic linkage map of lettuce (Lactuca spp.). Theor Appl Genet. 2007. 115(6):735-46     
  • Argyris J, Dahal P, Truco MJ, Ochoa O, Still DW, Michelmore RW, Bradford KJ (2007Genetic analysis of lettuce seed thermoinhibition. Acta Horticulturae 2007.   
  • Hu, Jinguo; Ochoa, Oswaldo E.; Truco, Maria Jose, et al  (2005Application of the TRAP technique to lettuce (Lactuca sativa L.) genotyping. Euphytica. 2005. 144 (3) : 225-235.   
  • Argyris J, Truco MJ, Ochoa O, Knapp SJ, Still DW, Lenssen GM, Schut JW, Michelmore RW, Bradford KJ. (2005Quantitative trait loci associated with seed and seedling traits in Lactuca. Theor Appl Genet. 2005. Nov;111(7):1365-1376.      
  • JINGUO HU; OCHOA Oswaldo E.; TRUCO Maria Jos??; VICK Brady A. (2005Application of the TRAP technique to lettuce (Lactuca sativa L.) genotyping. Euphytica. 2005. ; vol. 144, pp. 225-235  
  • --- Presentations ---

  • Truco MJ, Reyes-Chin-Wo S, Lavelle D, Kozik A, Froenicke L, Xu H, Michelmore RW. (2014Lettuce Genome Assembly, Structure and Annotation. Plant and Animal Genome XXII 2014 Jan. 11-15  
  • Kozik A, Froenicke L, Lavelle D, Truco MJ, Xu H, Reyes-Chin-Wo S, Michelmore RW. (2014Chromosome-Scale Assembly of the Lettuce (Lactuca sativa) Genome Using Genotyping By Shotgun Sequencing (GBSS) Plant and Animal Genome XXII 2014 Jan. 11-15  
  • McHale, L., Truco, M.-J., Kozik, A., Wroblewski, T., Lavelle, D., Ochoa, O., Lahre, K., Mathrakott, S. and Michelmore, R. (2007Utilizing of Compositae Genome Project to Dissect the Genomic Architecture of Disease Resistance in Lettuce. XIII International Congress on Molecular Plant-Microbe Interact 2007   
  • McHale L., Lavelle D.O., Pande B., Wroblewski T., Jose-Truco M., Suresh S., Kozik A., Ochoa O. and Michelmore R. (2004Identification and mapping of candidate genes involved in disease resistance in lettuce.  XII Plant and Animal Genome Conference, San Diego. 2004   
  • Truco M., Van Damme M., Lavelle D., Kozik A., Wroblewski T., Ochoa O., Van Wijk R., Kesseli R., Michelmore R. (2002Candidate Gene Approaches to Agriculturally Important Traits in Lettuce.  X Plant and Animal Genome Conference, San Diego. 2002   
  • Van Damme M., Lavelle D., Jose Truco M.,Ochoa O., Wroblewski T., Kars I., Van Wijk R., McHaleL., Michelmore R. (2002Characterization ofe Resistance Gene Candidates (RGCs in lettuce Lactuca sativa). X Plant and Animal Genome Conference, San Diego. 2002   
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