Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

Grace Chen
Crop Improvement and Genetics Research
Plant Physiologist

Phone: (510) 559-5627
Fax: (510) 559-5818
Room 1116
USDA, ARS, PWA, WRRC-CIU
800 BUCHANAN STREET
ALBANY, CA, 94710

Projects
Improvement and Utilization of Natural Rubber- and Castor Oil-producing Industrial Crops
Appropriated (D)
  Accession Number: 419007

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Quantification of the molecular species of tetraacylglycerols in lesquerella (Physaria fendleri) Oil by HPLC and MS - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2014. Quantification of the molecular species of tetraacylglycerols in lesquerella (Physaria fendleri) Oil by HPLC and MS. Enliven: Bio Analytical Techniques. 1(1):1-5.
Mining lesquerella seed transcriptome for oil and meal improvement and translational research - (Abstract Only) - (15-Jul-14)
Quantification of TAG and DAG in lesquerella (Physaria fendleri) oil by HPLC and MS Reprint Icon - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2014. Quantification of TAG and DAG in lesquerella (Physaria fendleri) oil by HPLC and MS. Journal of the American Oil Chemists' Society. 91:1417-1424 DOI: 10.1007/s11746-014-2486-2.
Identification of tetraacylglycerols in lesquerella oil by electrospray ionization mass spectrometry of the lithium adducts Reprint Icon - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2013. Identification of tetraacylglycerols in lesquerella oil by electrospray ionization mass spectrometry of the lithium adducts. Journal of the American Oil Chemists' Society. 90:1831-1836.
Identification of TAG and DAG and their FA constituents in Lesquerella (Physaria fendleri) oil by HPLC and MS Reprint Icon - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2013. Identification of TAG and DAG and their FA constituents in Lesquerella (Physaria fendleri) oil by HPLC and MS. Journal of the American Oil Chemists' Society. 90:1819-1829.
Metabolic Engineering oil biosyntesis pathways in Lesquerella Fendleri(Abstract) - (Abstract Only) - (15-Sep-12)
A review on the challenges for increassed production of castor - (Review Article)
Severino, L.S., Auld, D.L., Baldanzi, M., Chen, G.Q., He, X., Crosby, W., Machado, O.L., Morris, J.B., Zieler, H. 2012. A review on the challenges for increassed production of castor. Agronomy Journal. 104(4):853-880.
Mass spectrometry of the lithium adducts of diacylglycerols containing hydroxy FA in castor oil and two normal FA - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q., Hou, C.T. 2013. Mass spectrometry of the lithium adducts of diacylglycerols containing hydroxy FA in castor oil and two normal FA. Journal of the American Oil Chemists' Society. 90:33-38.
Identification of minor acylglycerols less polar than triricinolein in castor oil by mass spectrometry - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2012. Identification of minor acylglycerols less polar than triricinolein in castor oil by mass spectrometry. American Chemistry Society Abstracts. dx.doi.org/10.1007/s11746-012-2082-2.
Ratios of regioisomers of minor acylglycerols less polar than triricinolein in castor oil estimated by mass spectrometry - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2012. Ratios of regioisomers of minor acylglycerols less polar than triricinolein in castor oil estimated by mass spectrometry. Journal of the American Oil Chemists' Society. dx.doi.org/10.1007/s11746-012-2083-1.
Transformation of Lesquerella fendleri with the new binary vector pGPro4-35S - (Peer Reviewed Journal)
Chen, G.Q., Thilmony, R.L., Lin, J.T. 2012. Transformation of Lesquerella fendleri with the new binary vector pGPro4-35S. Online Journal of Biological Sciences. 11(3)90-95. DOI: 10.3844/ojbsci.2011.90.95.
Effective elimination of chimeric tissue in transgenics for the stable genetic transformation of lesquerella fendleri - (Peer Reviewed Journal)
Chen, G.Q. 2011. Effective Elimination of Chimeric Tissue in Transgenics for the Stable Genetic Transformation of Lesquerella fendleri. HortScience. 46(1):86-90.
Identification of diacylglycerol and triacylglycerol containing 11,12,13-trihydroxy-9-14-octadecadienoic acids in castor oil - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2011. Identification of diacylglycerol and triacylglycerol containing 11,12,13-trihydroxy-9-14-octadecadienoic acids in castor oil. New Biotechnology. 28(2):203-208. DOI: 10.1016/j.nbt2010.10.004.
Use of Quantitative PCR for Determining Copy Numbers of Transgenes in Lesquerella fendleri - (Peer Reviewed Journal)
Chen, G.Q., Lin, J.T. 2010. Use of Quantitative PCR for Determining Copy Numbers of Transgenes in Lesquerella fendleri. American Journal of Agricultural and Biological Science. 5(3):415-421.
Draft genome sequence of the oilseed species Ricinus communis - (Peer Reviewed Journal)
Chan, A.P., Crabtree, J., Zhao, Q., Lorenzi, H., Orvis, J., Puiu, D., Melake-Berhan, A., Jones, K.M., Redman, J., Chen, G.Q., Cahoon, E.B., Gedil, M., Stanke, M., Wortman, J.R., Fraser-Liggett, C.M., Ravel, J., Rabinowicz, P.D. 2010. Draft genome sequence of the oilseed species Ricinus communis. Nature Biotechnology. 28(9):951-956.
Develop a New Lesquerella fendleri Crop for Castor Oil Production - (Abstract Only)
Chen, G.Q. 2010. Develop a New Lesquerella fendleri Crop for Castor Oil Production. Association for the Advancement of Industrial Crops 22nd Annual Meeting, 2010 New Crops: Exploring Diversity, Preserving our Future, Fort Collins, CO, September 18 to 22, 2010.
Hydroxy fatty acid synthesis and lipid gene expression during seed development in Lesquerella fendleri (L.) - (Peer Reviewed Journal)
Chen, G.Q., Lu, C., Lin, J.T. 2011. Hydroxy fatty acid synthesis and lipid gene expression during seed development in Lesquerella fendleri (L.). Industrial Crops and Products. doi:101.1016/j.indcrop.2010.08.03.
Acylglycerols Containing Trihydroxy Fatty Acids in Castor Oil and the Regiospecific Quantification of Triacylglycerols Reprint Icon - (Peer Reviewed Journal)
Lin, J.T., Chen, G.Q. 2010. Acylglycerols Containing Trihydroxy Fatty Acids in Castor Oil and the Regiospecific Quantification of Triacylglycerols. Journal of the American Oil Chemists' Society. 87:1371-1379.
Lesquerella fendleri (L.), a new crop for Safe Hydroxy Fatty Acid Production - (Abstract Only)
Chen, G.Q. 2010. Lesquerella fendleri (L.), a new crop for Safe Hydroxy Fatty Acid Production. The 19th International Symposium on Plant Lipids, July 11-16, 2010, Cairns, Australia.
Metabolic Engineering Pathways in Lesquerella fendleri (L.) for Safe Hydroxy Fatty Acid Production - (Abstract Only)
Chen, G.Q. 2010. Metabolic Engineering Pathways in Lesquerella fendleri (L.) for Safe Hydroxy Fatty Acid Production. Third Annual Congress of Industrial Biotechnology, July 25-27, 2010, Dalian, China.
Engineering Lesquerella for Safe Castor Oil Production - (Abstract Only)
Chen, G.Q. 2009. Engineering Lesquerella for Safe Castor Oil Production. The Association for the Advancement of Industrial Crops (AAIC) 21st Annual Meeting in Termas de Chillan, Chillan, Chile, November 14-19th, 2009.
Seed Development in Lesquerellar fendleri (L.) - (Peer Reviewed Journal)
Chen, G.Q., Vang, L., Lin, J.T. 2009. Seed Development in Lesquerellar fendleri (L.). HortScience. 44:1415-1418.
Biotechnology for Castor oil Production - (Abstract Only)
Chen, G.Q. 2009. Biotechnology for Castor oil Production. In Vitro Biology Meeting, Charleston, South Carolina, June 6-10, 2009.
Expression profile of the genes involved in reserve synthesis in castor (Ricinus communis L.) - (Peer Reviewed Journal)
Chen, G.Q. 2010. Expression profile of the genes involved in reserve synthesis in castor (Ricinus communis L.). Recent Progress in Medicinal Plants.30:271-291.
Engineering of Hydroxyl Fatty Acids for Industrial Application - (Abstract Only)
Chen, G.Q. 2009. Engineering of Hydroxyl Fatty Acids for Industrial Application. Gordon Research Conference, Plant Lipids: Structure, Metabolism and Function, Galveston, Texas, February 1 to 6, 2009.
Biotechnology For hydroxy Fatty Acid Production in Oilseed - (Abstract Only)
Chen, G.Q. 2008. Biotechnology For hydroxy Fatty Acid Production in Oilseed. 20th Annual Meeting of the Association ofr the Advancement of Industrial Crops (AAIC), College Station, TX, September 7 to 11, 2008.
Seed Development in Castor (Ricinus communis L.): Morphology, Reserve Synthesis and Gene Expression - (Book / Chapter)
Chen, G.Q. 2009. Seed Development in Castor (Ricinus communis L.): Morphology, Reserve Synthesis and Gene Expression. In: Hayworth, G, editor. Reliability Engineering Advances. Hauppauge, NY:Nova Science Publishers. p. 305-330.
Searching for a Safe Source of Castor Oil Production through Metabolic Engineering - (Abstract Only)
Chen, G.Q. 2008. Searching for a Safe Source of Castor Oil Production through Metabolic Engineering. 18th International Symposium on Plant Lipids, Bordeaux, France, July 20-25, 2008.
In Vitro Regeneration Castor (Ricinus Communis L.) Using Cotyledon Explants - (Peer Reviewed Journal)
Ahn, Y., Chen, G.Q. 2008. In vitro regeneration castor (ricinus communis l.) using cotyledon explants. HortScience. 55:10043-10049.
Temporal and Spatial Expression of 2s Albumin in Castor (Ricinus Communis L.) - (Peer Reviewed Journal)
Ahn, Y., Chen, G.Q. 2007. Temporal and spatial expression of 2s albumin in castor (ricinus communis l.). Journal of Agricultural and Food Chemistry. 55:10043-10049.
Ricinus communis contains and acyl-CoA synthetase that preferentially activates ricinoleate to its CoA thioester - (Peer Reviewed Journal)
He, X., Chen, G.Q., Kang, S.T., Mckeon, T.A. 2007. Ricinus communis contains and acyl-CoA synthetase that preferentially activates ricinoleate to its CoA thioester. Lipids Journal. 42:931-938.
Developing a Safe Source of Castor Oil - (Abstract Only)
Chen, G.Q., Mckeon, T.A., Lin, J.T. 2007. Developing a safe source of castor oil. Proceedings JOCS/AOCS World Congress.
Expression Profiles of Genes Involved in Fatty Acid and Triacyblycerol Synthesis in Castor Bean (Ricinus communis L.) - (Peer Reviewed Journal)
Chen, G.Q., Turner, C., He, X., Nguyen, T.T., McKeon, T.A., Chingcuanco, D.L. 2007. Expression Profiles of Genes Involved in Fatty Acid and Triacyblycerol Syntheses in Castor Bean (Ricinus communis L.). Lipids. 41:263-274.
Engineering New Crops for Safe Castor Oil Production - (Proceedings)
Chen, G.Q., Ahn, Y., Vang, L. 2007. Engineering New Crops for Safe Castor Oil Production. Proceedings of Int'l Association of Plant Tissue Culture and Biotechnology.
Detection of castor contamination by real-time polymerase chain reaction - (Peer Reviewed Journal)
He, X., Brandon, D.L., Chen, G.Q., McKeon, T.A., Carter, J.M. 2007. Detection of castor contamination by real-time polymerase chain reaction. Journal of Agricultural and Food Chemistry. 55(2):545-550.
Castor oil: Biosynthesis and Uses - (Abstract Only)
Mckeon, T.A., He, X., Chen, G.Q., Lin, J.T. 2007. Castor oil: Biosynthesis and Uses. 226th American Chemical Society National Meeting.
Development of An Efficient Plant Regeneration Protocol Through Adventitious Shoot Formation in Castor (Ricinus Communis L.) - (Peer Reviewed Journal)
Ahn, Y., Vang, L., Mckeon, T.A., Chen, G.Q. Development of an efficient plant regeneration protocol through adventitious shoot formation in castor (ricinus communis l.). In Vitro Cellular and Developmental Biology - Plants.
High-Frequency Plant Regeneration Through Adventitious Shoot Formation in Castor (Ricinus Communis L.) - (Peer Reviewed Journal)
Ahn, Y., Vang, L., Mckeon, T.A., Chen, G.Q. 2007. High-frequency plant regeneration through adventitious shoot formation in castor (ricinus communis l.). In Vitro Cellular and Developmental Biology - Plants. 43: 9-15.
The Enzymology of Castor Oil Biosynthesis - (Abstract Only)
McKeon, T.A., He, X., Chen, G.Q., Lin, J.T. 2006. The Enzymology of Castor Oil Biosynthesis. Association for the Advancement of Industrial Crops Conference.
Bioavailability of Crude Ricin in Food Matrices - (Abstract Only)
Cheng, L.W., Brandon, D.L., He, X., Chen, G.Q., Carter, J.M. 2006. Bioavailability of crude ricin in food matrices. [Abstract]. ACS National Meeting and Exposition. Poster AGFD 64
Detection of Castor Contamination in Ground Beef by Real-Time Pcr - (Abstract Only)
He, X., Brandon, D.L., Chen, G.Q., Mckeon, T.A., Carter, J.M. 2006. Detection of castor contamination in ground beef by real-time pcr. [Abstract]. ACS National Meeting and Exposition. Poster AGFD 18.
Castor Seed Development and Storage Lipid Biosynthesis - (Abstract Only)
Chen, G.Q., Ahn, Y., Vang, L. 2006. Castor seed development and storage lipid biosynthesis. In Vitro Cellular and Developmental Biology - Plants.
Plant Regeneration and Transformation in Castor (Ricinus Communis L.), An Important Oil Crop - (Abstract Only)
Ahn, Y., Vang, L., Chen, G.Q. 2006. Plant regeneration and transformation in castor (ricinus communis l.), an important oil crop. In Vitro Cellular and Developmental Biology - Plants.
Diacylglycerol Acyltransferase Activity and Triacylglycerol Synthesis in Germinating Castor Seed Cotyledons - (Peer Reviewed Journal)
He, X., Chen, G.Q., Lin, J.T., Mckeon, T.A. 2006. Diacylglycerol acyltransferase activity and triacylglycerol synthesis in germinating castor seed cotyledons. Lipids. Vol. 41, Number 3: 281-285, 2006.
Toward the Development of a Safe Castor Crop: Expression Pattern Comparison of Ricin and 2s Albumin Genes and Phylogeny Analysis of 2s Albumins - (Peer Reviewed Journal)
Chen, G.Q., He, X., Ahn, Y., Vang, L., Mckeon, T.A. 2006. Toward the development of a safe castor crop: expression pattern comparison of ricin and 2s albumin genes and phylogeny analysis of 2s albumins. Recent Progress in Medicinal Plants. 15: pp. 453-463
Profiling of Endosperm-Regulated Gene Expression in Developing Castor Seeds to Study Transcriptional Regulation - (Abstract Only)
Chen, G.Q., Ahn, Y., Vang, L., Mckeon, T.A. 2006. Profiling of endosperm-regulated gene expression in developing castor seeds to study transcriptional regulation. Plant and Animal Genome Conference.
Castor Oil Boisynthesis and Expression Profiles of Lipid Genes in Developing Seed of Ricinus Communis L. (Castor Bean) - (Abstract Only)
Chen, G.Q., Turner, C., He, X., Mckeon, T.A. 2005. Castor oil boisynthesis and expression profiles of lipid genes in developing seed of ricinus communis l. (castor bean). Meeting Abstract.
Quantitative Transcript Profiling of Lipid Biosynthesis Genes in Developing Castor Seeds. - (Abstract Only)
Chen, G.Q., Ahn, Y., He, X., Mckeon, T.A. 2005. Quantitative transcript profiling of lipid biosynthesis genes in developing castor seeds.. National Plant Lipid Cooperative Meeting.
Endosperm Morphology and Transcript Profiles of Storage Proteins in Developing Castor Seeds. - (Abstract Only)
Chen, G.Q., Ahn, Y., He, X., Mckeon, T.A. 2005. Endosperm morphology and transcript profiles of storage proteins in developing castor seeds.. World Congress on In Vitro Biology.
Molecular Characterization of the Acyl-Coa-Dependent Diacylglycerol Acyltransferase in Plants - (Review Article)
He, X., Chen, G.Q., Lin, J.T., Mckeon, T.A. 2005. Molecular characterization of the acyl-coa-dependent diacylglycerol acyltransferase in plants. Research Signpost: Recent Research Developments in Applied Microbiology and Biotechnology. 2:69-86.
Effect of Diacylglycerol Acyltransferase on Lipid Metabolism in Developing Seeds of Castor - (Abstract Only)
He, X., Chen, G.Q., Lin, J.T., Mckeon, T.A. 2005. Effect of diacylglycerol acyltransferase on lipid metabolism in developing seeds of castor. Annual Meeting and Expo of the American Oil Chemists' Society.
A Simple and Sensitive Assay for Distinguishing the Expression of Ricin and Ricinus Communis Agglutinin Gene in Developing Castor Seed (Ricinus Communis L.) - (Peer Reviewed Journal)
Chen, G.Q., He, X., McKeon, T.A. 2005. A simple and sensitive assay for distinguishing the expression of ricin and ricinus communis agglutinin gene in developing castor seed (Ricinus communis L.). Journal of Agricultural and Food Chemistry. 53(6):2358-2361.
2s Albumin Gene Expression in Castor Plant (Ricinus Communis L.) - (Peer Reviewed Journal)
Chen, G.Q., He, X., Liao, L., McKeon, T.A. 2004. 2s Albumin Gene Expression in Castor Plant (Ricinus communis L.). Journal of the American Oil Chemists' Society. 81(9):867-872.
Cloning and Characterization of Castor Dgat - (Peer Reviewed Journal)
He, X., Chen, G.Q., Lin, J.T., Mckeon, T.A. 2004. Cloning and characterization of castor dgat. Lipids Journal.39:311-318
Application of Lipases to Develop Novel Acyltransferase Substrates - (Proceedings)
Mckeon, T.A., Turner, C., He, X., Chen, G.Q., Lin, J.T. 2003. Application of lipases to develop novel acyltransferase substrates. Meeting Abstract.
Last Modified: 10/30/2014
Footer Content Back to Top of Page