Pradeep Kachroo Plant Pathology, University of Kentucky, USA
1 protocol

huazhen liu Department of Plant Pathology, University of Kentucky
1 protocol

Keshun Yu
  • Senior Agricultural Research Specialist, Department of Plant Pathology, University of Kentucky
Research focus
  • Biochemistry
  • Plant pathology
  • 1 Author merit

Education

Ph.D, University of Kentucky, 2001

Lab information

Pradeep Kachroo Lab
https://plantpathology.ca.uky.edu/lab/p-kachroo

Publications

1. Lim, G.-H., Liu, H., Yu, K., Liu, R., Shine, M.B, Fernandez, J., Burch-Smith, T., Mobley, J., McLetchie, D., Kachroo, A., Kachroo, P. (2020) The plant cuticle regulates apoplastic transport of salicylic acid during systemic acquired resistance. Science Advances 6: eaaz0478.
2. Yuan, Y, Yang, Y, Shen, Y, Yu, K., Wang, L., Ren, R., Yin, J., Zhi, H. (2020) Mapping and functional analysis of candidate genes involved in resistance to soybean (Glycine max) mosaic virus strain SC3. Plant Breed. 139 (3): 618– 625.
3. Wang C., Liu, R., Lim G.-H., de Lorenzo, L., Yu, K., Zhang, K., Hunt, A.G., Kachroo, A., Kachroo, P. (2019) Pipecolic acid confers systemic immunity by regulating free radicals. Science Advance 4:eaar4509
4. Lim, G.-H., Hoey, T., Zhu, S., Clavel, M., Yu, K., Navarre, D., Kachroo, A., Deragon, J.-M., Kachroo, P. (2018) COP1, a negative regulator of photomorphogenesis, positively regulates plant disease resistance via double-stranded RNA binding proteins. PLoS Pathog. 14(3): e1006894.
5. Lim, G.-H., Shine MB, de Lorenzo L, Yu K, Cui W, Navarre D, Hunt AG, Lee J-Y, Kachroo A, Kachroo P. (2016) Plasmodesmata localizing proteins regulate transport and signaling during systemic immunity. Cell Host & Microbe 19:541-549
6. Hatanaka, T, Serson, W., Li, R, Armstrong, P, Yu, K., Pfeiffer, T., Li, X., Hildebrand, D. F. (2016) A Vernonia Diacylglycerol Acyltransferase Can Increase Renewable Oil Production. J. Agri. Food Chem. 64(38): 9188-7194.
7. El-Shetehy, M., Wang, C., Shine, M. B., Yu, K., Kachroo, A., and Kachroo, P. (2015) Nitric oxide and reactive oxygen species are required for systemic acquired resistance in plants. Plant Signaling & Behavior 9, e998544.
8. Gao, Q.-M., Yu, K., Xia, Y., Shine, M. B., Wang C., Navarre, D., Kachroo, A., and Kachroo, P. (2014) Mono- and di-galactosyldiacylglycerol lipids function non-redundantly to regulate systemic acquired resistance in plants. Cell Reports, 9: 1-11.
9. Zhu, S., Lim, G.-H., Yu, K., Jeong R.-D., Kachroo, A., and Kachroo, P. (2014) RNA silencing components mediate resistance signaling against turnip crinkle virus. Plant Signaling & Behavior 9, e28435.
10. Wang, C., El-Shetehy, M., Shine, M. B., Yu, K., Navarre, D., Wendehenne, D., Kachroo, A., and Kachroo, P. (2014) Free Radicals Mediate Systemic Acquired Resistance. Cell Reports, 7: 1-8.
11. Zhu, S., Jeong R.-D., Lim, G.-H., Yu, K., Wang, C., Chandra-Shkara, A. C., Navarre, D., Klessig, D. F., Kachroo, A., and Kachroo, P. (2013) Double-stranded RNA-binding protein 4 is required for resistance signaling against viral and bacterial pathogens. Cell Reports, 4: 1-17.
12. Yu, K., Soares, J. M., Mandal, M. K., Wang, C., Chanda, B., Gifford, A. N., Fowler, J. S., Navarre, D., Kachroo, A., and Kachroo, P. (2013) A feedback regulatory loop between G3P and lipid transfer proteins DIR1 and AZI1 mediates azelaic-acid-induced systemic immunity. Cell Reports, 3: 1-13.
13. Li, R., Hatanaka, T., Yu, K., Wu, Y., Fukushige, H. and Hildebrand, D. (2013) Soybean oil biosynthesis: role of diacylglycerol acyltransferases. Functional & Integrative Genomics, 13: 99-113.
14. Xia, Y., Yu, K., Gao, Q.-M., Wilson, E., Navarre, D., Kachroo, P., and Kachroo, A. (2012) Acyl CoA binding proteins are required for cuticle formation and plant responses to microbes. Frontiers in Plant Science, 3:224.
15. Mandal, M. K., Chandra-Shekara, A.C., Jeong, R.-D., Yu, K., Zhu, S., Chanda, B., Navarre, D., Kachroo, A., and Kachroo, P. (2012) Oleic Acid–Dependent Modulation of NITRIC OXIDE ASSOCIATED1 Protein Levels Regulates Nitric Oxide–Mediated Defense Signaling in Arabidopsis. Plant Cell, 24(4): 1654-1674.
16. Li, R., Yu, K., Wu, Y, Tateno, M., Hatanaka, T., and Hildebrand, D. F. (2012) Vernonia DGATs can complement the disrupted oil and protein metabolism in epoxygenase-expressing soybean seeds. Metabolic Engineering 14: 29-38.
17. Mandal, M. K., Chanda B., Xia, Y., Yu, K., Sekine, K., Gao, Q.-M., Selote, D., Kachroo, A., and Kachroo, P. (2011) Glycerol-3-phosphate and systemic immunity. Plant Signaling & Behavior, 6(11): 1871-1874.
18. Chanda, B., Ye, X., Mandal, M., Yu, K., Sekine, K., Gao, Q.-M., Selote, D., Hu, Y., Stromberg, A., Navarre, D., Kachroo, A., and Kachroo, P. (2011) Glycerol-3-phosphate is a critical mobile inducer of systemic immunity in plants. Nature Genetics, 43: 421-427.
19. Xia ,Y., Yu, K. Navarre, D., Kachroo, A. and Kachroo, P. (2010) The glabra1 mutation affects cuticle formation and plant responses to microbes. Plant Physiology, 154: 833-846.
20. Li, R., Yu, K., and Hildebrand, D. F. (2010) DGAT1, DGAT2 and PDAT expression in seeds and other tissues of epoxy and hydroxy fatty acid accumulating plants. Lipids, 45: 145-157.
21. Li, R., Yu, K., Hatanaka, T., and Hildebrand, D. F. (2010) Vernonia DGATs increase accumulation of epoxy fatty acids in oil. Plant Biotechnology Journal, 8: 184-195.
14. Xia, Y., Gao, Q-M, Yu, K., Lapchyk, L., Navarre, D., Hildebrand, D., Kachroo, A. and Kachroo, P. (2009) An intact cuticle in distal tissues is essential for the induction of systemic acquired resistance in plants. Cell Host & Microbe, 5: 151-165.
15. Yu, K., Li, R., Hatanaka, T., and Hildebrand, D. F. (2008) Cloning and functional analysis of two type 1 diacylglycerol acyltransferases from Vernonia galamensis. Phytochemistry, 69: 1119-1127.
16. Yu, K., McCraken, C. T., Jr., Li, R., and Hildebrand, D. F. (2006) Diacylglycerol acyltransferases from Vernonia and Stokesia prefer substrates with vernolic acid. Lipids, 41: 557-566.
17. Hamilton-Kemp, T. R., Newman, M. C., Collins, R. W., Egaali, H., Yu, K., and Archbold, D. D. (2005) Production of the long-chain alcohols decanol and dodecanol by Escherichia coli. Current Microbiology, 51(2): 82-86.
18. Li, T. H., Li, S. H., Wang, J. and Yu, K. S. (2003) Effects of water stress at different deficit intensity on transport and distribution of 14C-assimilates in micro-propagated apple plants. Europ. J. Hort. Sci. 68(5): 227-233.
19. T. R., Hamilton-Kemp, Archbold, D. D., Collins, R. W. and Yu, K. (2003) Emission patterns of wound volatile compounds following injury of ripe strawberry fruit. J. Sci. Food and Agric., 83: 283-288.
20. Elgaali, H., Hamilton-Kemp, T. R., Newman, M. C., Collins, R. W., Yu, K. and Archbold, D. D. (2002) Comparison of long-chain alcohols and other volatile compounds emitted from food-borne and related Gram positive and Gram negative bacteria. J. Basic Microbiol. 42: 373-380.
21. Li, S., Song, G., Liu, G., Meng, Z., Yu, K. and Zhu, J. (2002) Forecasting fruit size of ‘Fuji’ apples (Malus pumila Mill) at harvest. Scientia Agricultura Sinica,35:964-968. (In Chinese)
22. Song, G., Yu, K., Li, S., Liu, G., Meng, Z. and Zhu, J. (2002) Forecasting fruit diameter of ‘Fuji’ apples (Malus pumila Mill) at harvest during early growing season. Agricultural Science in China. 1: 905-910.
23. Liu, G., Song, G., Li, S., Meng, Z., Yu, K. and Zhu, J. (2002) Forecasting frequency of fruit size distribution of ‘Fuji’ apples at harvest time during the early growing season , J. Fruit Sci.,19:285-288. (In Chinese)
24. Yu, K., Newman, M.C., Archbold, D.D. and Hamilton-Kemp, T.R. (2001) Survival of Escherichia coli O157:H7 on strawberry fruit and reduction of the pathogen by chemical agents. J. Food Prot. 64: 1334-1340.
25. Yu, K., Hamilton-Kemp, T.R., Archbold, D.D., Collins, R.W. and Newman, M.C. (2000) Volatile Compounds from Escherichia coli O157:H7 and their absorption by strawberry fruit. J. Agric. Food Chem. 48: 413-417.
26. Yu, K., Li, S., Meng, Z. and Luo, G. (1999) Stem diameter micro-variations of four fruit tree species under water stress. J. Fruit Sci., 16:2, 86-91. (In Chinese)
27. Li, S., Yu, K., Men, Z. and Luo, G. (1999) Rational parameter for irrigation scheduling automation used in fruit trees by micromorphometric method. J. Fruit Sci., 16(3): 165-170. (In Chinese)
28. Li, S., Men, Z., Liu, G., Yu, K., Zhu, J. and Liu, F. (1996) Effects of a fruit-shaping agent on fruit shape and fruit growth of ‘Fuji’ and Red Delicious apples. Yantai Fruit Trees, 54(2): 5-6. (In Chinese)

Book chapters and sections
1. Hildebrand, D. F., Li, R., Yu, K., Hatanaka, T. (2009) Accumulation of epoxy fatty acids in plant oils. In: Biocatalysis and Agricultural Biotechnology (eds. Hou, C. T. and J. F. Shaw). The 3rd International Symposium on Biocatalysis and Biotechnology, Taylor and Francis Ltd, London, UK.
2. Yu, K., McCracken, Jr., C. T. and Hildebrand, D. F. (2007) Synthesis of sn-1,2-diacyl[U-14C]glycerol with high specific activity. In: Current Advances in the Biochemistry and Cell Biology of Plant Lipids (eds. Benning, C and J. Ohlrogge). Proceedings for the 17th International Symposium on Plant Lipids, pp 6-10. Aardvark Global Publishing Company, LLC, Salt Lake City, UT.
3. Hildebrand, D. F., Yu, K., McCraken, C. T., Jr., and Rao, S. (2004) Fatty acid manipulation. In: Plant Lipids - Biology, Utilisation and Manipulation (ed. Murphy, D. J.), pp67-102, CRC Press LLC, Boca Raton, FL.
4. Hildebrand, D. F. and Yu, K. (2003) Genetics of crop improvement: primary metabolism- acyl lipids. In: Encyclopedia of Applied Plant Sciences (eds. Thomas, B, D. Murphy and B. Murray), pp464-477, Elsevier Science Ltd., Oxford, UK.
5. Hatanaka, T., Yu, K. and Hildebrand, D. F. (2003) Cloning and expression of a Vernonia diacylglycerol acyltransferase cDNA. In: Advanced research on plant lipids (eds. Murata, N., M. Yamada, I. Nishida, H. Okuyama, J. Sekiya, J. and W. Hajime ). Proceedings of the 15th International Symposium on Plant Lipids, pp 155-158. Kluwer Academic Publishers, Dordrecht, Netherlands.
1 Protocol published
Pipecolic Acid Quantification Using Gas Chromatography-coupled Mass Spectrometry
Authors:  Keshun Yu, Huazhen Liu and Pradeep Kachroo, date: 12/05/2020, view: 1203, Q&A: 0

Pipecolic acid (Pip), a non-proteinacious product of lysine catabolism, is an important regulator of immunity in plants and humans alike. For instance, Pip accumulation is associated with the genetic disorder Zellweger syndrome, chronic liver

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