Li D, Liu R, Singh D, Yuan X, Kachroo P, Raina R. (2020) JMJ14 encoded H3K4 demethylase modulates immune responses by regulating defence gene expression and pipecolic acid levels. New Phytologist 225:2108-2121.

Kachroo P, Liu H, Kachroo A (2020) Salicylic acid: transport and long-distance immune signaling. Current Opinion in Virology 42:53-57

Lim GH, Liu H, Yu K, Liu R, Shine MB, Fernandez J, Burch-Smith T, Mobley JK, McLetchie N, Kachroo A, Kachroo P (2020) The plant cuticle regulates apoplastic transport of salicylic acid during systemic acquired resistance. Science Advance 6:eaaz0478

Kachroo P, Kachroo A (2020) Lipid-modulated trafficking in plants. Molecular Plant 13:351-353


Shine MB, Gao QM, Chowda-Reddy RV, Singh AK, Kachroo P, Kachroo A (2019) Glycerol-3- phosphate mediates rhizobia-induced systemic signaling in soybean. Nature Communications 10:5303

Lim GH, Zhu S, Zhang K, Hoey T, Deragon JM, Kachroo A, Kachroo P (2019) The analogous and opposing roles of double-stranded RNA-binding proteins in bacterial resistance. Journal of Experimental Botany 70:1627-1638

Shine MB, Xiao X, Kachroo P, Kachroo A(2019) Signaling mechanisms underlying systemic acquired resistance to microbial pathogens. Plant Science 279:81-86

Kachroo P, Kachroo A (2019) Plant Immunity: a bird's-eye view. Plant Science 279:1- 2

Wang C, Liu R, Lim GH, de Lorenzo L, Yu K, Zhang K, Hunt AG, Kachroo A, Kachroo P* (2019) Pipecolic acid confers systemic immunity by regulating free radicals. Science Advance 4:eaar4509


Kachroo P, Kachroo A (2018) Plants Pack a Quiver Full of Arrows. Cell Host Microbe. 23:573-575

Lim GH, 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 Pathogens 7;14(3):e1006894


Kachroo A, Vincelli P, Kachroo P (2017) Systemic signaling in plant defense. Phytopathology 107:1452-1461

Lim GH, Singhal R, Kachroo A, Kachroo P (2017)  Fatty acid- and lipid-mediated signaling in plant defense. Annual Review of Phytopathology 55:505-536


Shine MB, Yang JW, El-Habbak M, Nagyabhyru P, Fu DQ, Navarre D, Ghabrial S, Kachroo P, Kachroo A (2016) Cooperative functioning between phenylalanine ammonia lyase and isochorishmate synthase activities contributes to salicylic acid biosynthesis in soybean. New Phytologist 212:627-636

Lim GH, Kachroo A, Kachroo P. (2016) Role of plasmodesmata and plasmodesmata localizing proteins in systemic immunity. Plant Signaling & Behaviour 11:e1219829

Luan H, Shine MB, Cui X, Chen X, Ma N, Kachroo P, Zhi H, Kachroo A. (2016) The potyviral P3 protein targets eEF1A to promote the unfolded protein response and viral pathogenesis. Plant Physiology 172:221-234

Lim GH, 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


El-Shetehy M, Wang C, Shine MB, Yu K, Kachroo A, Kachroo P. (2015) Nitric oxide and reactive oxygen species are required for systemic acquired resistance in plants. Plant Signaling & Behaviour 10:e998544

Gao QM, Zhu S, Kachroo P, Kachroo A. (2015) Signal regulators of systemic acquired resistance. Frontiers in Plant Science 6:228


Gao QM, Kachroo A, Kachroo P (2014) Chemical inducers of systemic immunity in plants.Journal of Experimental Botany 65: 1849-1855. doi 10.1093/jxb/eru010

Gao QM, Yu KS, Xia Y, Shine MB, Wang CX, Navarre D, Kachroo A, Kachroo P (2014) Mono- and digalactosyldiacylglycerol lipids function nonredundantly to regulate systemic acquired resistance in plants. Cell Reports 9: 1681-1691. doi 10.1016/j.celrep.2014.10.069

Wang CX, El-Shetehy M, Shine MB, Yu KS, Navarre D, Wendehenne D, Kachroo A, Kachroo P (2014) Free radicals mediate systemic acquired resistance. Cell Reports 7: 348-355. doi 10.1016/j.celrep.2014.03.032

Wendehenne D, Gao QM, Kachroo A, Kachroo P (2014) Free radical-mediated systemic immunity in plants. Current Opinion in Plant Biology 20: 127-134. doi 10.1016/j.pbi.2014.05.012

Zhu S, Lim G-H, Yu K, Jeong R-D, Kachroo A, Kachroo P (2014) RNA silencing components mediate resistance signaling against turnip crinkle virus. Plant Signaling & Behavior 9: e28435. doi 10.4161/psb.28435Lucas WJ, Groover A, Lichtenberger R, Furuta K, Yadav SR, Helariutta Y, He XQ, Fukuda H, Kang J, Brady SM, Patrick JW, Sperry J, Yoshida A, Lopez-Millan AF, Grusak MA, Kachroo P (2013) The plant vascular system: evolution, development and functions. Journal of Integrative Plant Biology 55: 294-388. doi 10.1111/jipb.12041


Glover, B., Kachroo, P. (2013) Variety is the spice of life: the enormous diversity of plant biotic interactions.Current Opinion in Plant Biology 16: 397-399.

Yu, K., Soares, J., Mandal, M.K., Wang, C., Chanda, B., Gifford, A.N., Fowler, J.S., Navarre, D., Kachroo, A., Kachroo, P. (2013) A feed-back regulatory loop between glycerol-3-phosphate and lipid transfer proteins DIR1 and AZI1 mediates azelaic acid-induced systemic immunity. Cell Reports 3: 1266-1278.

Zhu, S., Jeong, R.-D., Lim, G.-H., Yu, K., Wang, C., Chandra-Shekara, A.C., Navarre, D., Kachroo, A., Kachroo, P. (2013) Double-stranded RNA-binding protein 4 is required for resistance signaling against viral and bacterial pathogens. Cell Reports 4: 1168-1184.


Mandal, M.K., Chandra-Shekara, A.C., Jeong, R.-D., Yu, K., Zhu, S., Chanda, B., Navarre, D., Kachroo, A., Kachroo, P. (2012) Oleic Acid–dependent modulation of NITRIC OXIDE ASSOCIATED1 protein levels regulates nitric oxide–mediated defense signaling in Arabidopsis. Plant Cell, /doi/10.1105/tpc.112.096768. 


Mandal, M.K., Chanda, B., Xia, Y., Yu, K., Sekine, K., Gao, Q-M., Selote D., Kachroo, A., Kachroo, P*. (2011) Glycerol-3-phosphate and systemic immunity. Plant Signaling and Behavior, 6: 1-4. 

Zhu, S., Jeong, R-D., Venugopal, S.C., Lapchyk, L., Navarre, D., Kachroo, A., Kachroo, P. (2011) Regulatory roles of SAG101 and redundatn EDS1 isoforms in resistance protein-mediated signaling against Turnip Crinkle Virus. PLoS Pathogens, 7: e1002318. 

Chanda, B., Xia, Y., Mandal, M., Yu, K., Sekine, K., Gao, Q-M., Selote, D., Hu, Y., Stromberg, A., Navarre, D., Kachroo, A., Kachroo, P. (2011) Glycerol-3-phosphate, a critical mobile inducer of systemic immunity in Plants. Nature Genetics. 43: 421-427. ARTICLE, Highlighted by Faculty of 1000 Biology. [New Key to Plant Disease Resistance Discovered


Jeong, R.-D., Kachroo, A., Kachroo, P. (2010) Blue-light photoreceptors are required for stability and function of a resistance protein mediating viral defense in Arabidopsis. Plant Signaling and Behavior, 5: 1505-1509. 

Xia, Y., Yu, K., Navarre, D., Seebold, K., Kachroo, A., Kachroo, P. (2010) The glabra1 mutation affects cuticle formation and plant responses to microbes. Plant Physiol. 154: 833-846. Highlighted paper. 

Jeong, R.-D., Chandra-Shekara, A.C., Barman, S. Navarre, D., Klessig, D., Kachroo, A., Kachroo, P. (2010) CRYPTOCHROME 2 and PHOTOTROPIN 2 regulate resistance protein mediated viral defense by negatively regulating a E3 ubiquitin ligase. Proc. Natl. Acad. Sci. USA, 107, 13538-13543. Highlighted by Faculty of 1000 Biology. 

Kang, H.-G., Oh, C.-K., Sato, M., Katagiri, F., Glazebrook, J., Takahashi, H., Kachroo, P., Martin, G., Klessig, D. (2010) Endosome-associated CRT1 functions early in Resistancegene-mediated signaling in Arabidopsis and Tobacco. Plant Cell 22, 918-936. 


Venugopal, S. C., Chanda, B., Vaillancourt, L., Kachroo, A., Kachroo, P. (2009) The common metabolite glycerol-3-phosphate is a novel regulator of plant defense signaling.Plant Signaling and Behaviour, 4, 746-749. 

Venugopal, S. C., Jeong, R-D., Mandal, M., Zhu, S., Chandra-Shekara, A. C., Xia Y., Hersh, M., Stromberg, A., Navarre, D., Kachroo, A., Kachroo, P. (2009) ENHANCED DISEASE SUSCEPTIBILITY and salicylic acid act redundantly to regulate resistance gene-mediated signaling. PLOS Genetics, 5: e1000545. 

Xia, Y., Gao, Q-M., Yu, K., Navarre, D., Hildebrand, D., Kachroo, A., 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.


Jeong, R.-D., Chandra-Shekara, A.C., Kachroo, A., Klessig, D., Kachroo, P. (2008) HRT-mediated hypersensitive response and resistance to Turnip Crinkle Virus in Arabidopsis does not require the function of TIP, the presumed guardee protein. Mol. Plant-Microbe. Interact., 21: 1316-1324.

Chanda, B., Venugopal, S.C., Kulshrestha, S., Navarre, D., Downie, B, Vaillancourt, L., Kachroo, A., Kachroo, P. (2008) Glycerol-3-phosphate levels are associated with basal resistance to the hemibiotrophic fungus Colletotrichum higginsianum in Arabidopsis. Plant Physiol., 147:2017-2029. 

Kachroo, A., Daqi, F., Havens, W., Navarre, R., Kachroo, P., Ghabrial, S. (2008) Virus-induced gene silencing of stearoyl-acyl carrier protein-desaturase in soybean results in constitutive defense and enhanced resistance to pathogens. Mol. Plant-Microbe. Interact, 21:564-575.

Kang, H.-G., Kuhl, J.C., Kachroo P., Klessig, D.F. (2008) Turnip Crinkle Virus resistance in Arabidopsis requires CRT1, a new member of GHKL ATPase family. Cell-Host and Microbe, 3:48-57. 


Chandra-Shekara, A.C, Venugopal, S.C., Barman, S.R., Kachroo, A., Kachroo, P. (2007) Plastidial fatty acid levels regulate resistance gene-dependent defense signaling in Arabidopsis. Proc. Natl Acad. Sci USA, 10.1073/pnas.0609259104. 


Kachroo, A., Shanklin, J., Whittle, E., Lapchyk, L., Hildebrand, D., Kachroo, P. (2006) The Arabidopsis stearoyl-acyl carrier protein-desaturase family and the contribution of leaf isoforms to oleic acid synthesis. Plant Molecular Biology 63, 257-271. 

Chandra-Shekara, A. C, Gupte, M., Navarre D.A., Raina, R., Klessig D. F., Kachroo, P. (2006) Light dependent hypersensitive response and resistance signaling to the turnip crinkle virus in Arabidopsis. Plant J. 45, 320-334. 


Kachroo, P., Srivathsa C. V., Navarre, D.A., Lapchyk, L., Kachroo, A. (2005) Role of salicylic acid and fatty acid desaturation pathways in ssi2-mediated signaling. Plant Physiol. 139, 1717-1735. 

Nandi,A., Moeder, W., Kachroo, P., Klessig, D., Shah, J. (2005) The Arabidopsis ssi2-conferred susceptibility to Botrytis cinerae is dependent on EDS5 and PAD4. Mol. Plant-Microbe Interact. 18, 363-370. 


Chandra-Shekara AC, Navarre D, Kachroo A, Kang HG, Klessig D, Kachroo P. (2004)
Signaling requirements and role of salicylic acid in HRT- and rrt-mediated resistance to turnip crinkle virus in Arabidopsis. Plant J. 2004 Dec;40(5):647-59. 

Kachroo, A., Srivathsa C. V., Lapchyk, L., Falcone, D., Hildebrand, D., Kachroo, P. (2004) Oleic acid levels regulated by glycerolipid metabolism modulate defense gene expression in Arabidopsis. Proc. Natl. Acad. Sci. USA. 101, 5152-5157. 


Kachroo, A., Lapchyk, L., Fukushigae, H., Hildebrand, D., Klessig, D., Kachroo P. (2003) Plastidal fatty acid signaling modulates SA- and JA-mediated signaling in the Arabidopsis ssi2 mutant. Plant Cell, 15: 2952-2965. 

Navarre, D.A., Brown, C., Thomas, P., Kachroo P. (2003) Systemic Acquired Resistance in Potato. Acta Hort. 619, 177-181.

Kachroo, P., Kachroo, A., Lapchyk, L., Hildebrand, D., Klessig, D. (2003) Restoration of defective cross talk in ssi2 mutant: Role of salicylic acid, jasmonic acid, and fatty acids in SSI2-mediated signaling. Mol. Plant-Microbe Interact. 11, 1022-1029. 


Kachroo, A. Kachroo, P. (2009) Fatty acid-derived signals in plant defense. Annual Review Phytopathology, 47:153-176. 

Kachroo A., Kachroo P. (2006) Salicylic Acid-, Jasmonic Acid- and Ethylene-Mediated Regulation of Plant Defense Signaling. In Genetic Regulation of Plant Defense Mechanisms, Ed. Jane Setlow, Springer pubs.

Kachroo, A., Venugopal, S.C., Navarre, D.A., Lapchyk, L., Kachroo, P. (2006) Metabolite signaling; role of fatty acids in plant defense. In Biology of Molecular Plant-Microbe Interactions, Volume 5. 

Kachroo, P., Chandra-Shekara, A.C., Klessig, D. (2006) Plant signal transduction and defense against viral pathogens. Advances in Viral Research. Volume 66, 161-191.

Kachroo, P. (2006) Host gene-mediated virus resistance mechanisms and signaling in Arabidopsis. In Natural Resistance Mechanisms of Plants to Viruses. Ed. G. Loebenstein and J. P. Carr. Kluwer Academic Publishers, Netherlands. In press

Previous Work

Shirano, Y., Kachroo, P., Shah, J., Klessig, D. (2002) A gain-of-function mutation in an Arabidopsis TIR-NBS-LRR type R-gene triggers defense responses and results in enhanced disease resistance. Plant Cell 14:3149-3162.

Kachroo, P., Shanklin, J., Shah, J., Whittle, E., Klessig, D. (2001) A fatty acid desaturase modulates the activation of defense signaling pathways in plants. Proc. Natl. Acad. Sci.USA, 98:9448-9453.

Yoshioka, K., Kachroo, P., Tsui, F., Sharma, S., Klessig, D. (2001) Environmentally-sensitive, SA-dependent defense responses in the cpr22 mutant of Arabidopsis. Plant J.26:447-459.

Shah, J., Kachroo, P, Nandi, A., Klessig, D. (2001) A recessive mutation in the Arabidopsis ssi2 gene confers SA- and NPR1-independent expression of PR genes and resistance against bacterial and oomycete pathogens. Plant J. 25:563-574.

Klessig, D., Durner, J., Noad, R., Navarre, D., Wendehenne, D., Kumar, D., Zhou, J., Shah, J., Zhang, S., Kachroo, P., Trifa, Y., Pontier, D., Lam, E., Silva, H. (2000) Nitric oxide and salicylic acid signalling in plant defense. Proc. Natl. Acad. Sci. USA, 97:8849-8855.

Kachroo, P., Yoshioka, K., Shah, J., Klessig, D. (2000) Resistance to turnip crinkle virus in Arabidopsis is regulated by two host genes, is salicylic acid-dependent but NPR1-, ethylene- and jasmonate-independent. Plant Cell 12:677-690.

Cooley, M., Pathirana, S., Wu, H., Kachroo, P., Klessig, D. (2000) Members of the Arabidopsis HRT/RPP8 family of resistance genes confer resistance to both viral and oomycete pathogens. Plant Cell 12:663-676.

Shah, J., Kachroo, P., Klessig, D. (1999) The Arabidopsis ssi1 mutation restores PR gene expression in SA-Insenstive (npr1) plants and renders PDF1.2 (Defensin) gene expression SA dependent. Plant Cell 11:191-206.

Hamsa, P., Kachroo, P., Chattoo, B. (1998) Production and secretion of biologically active human epidermal growth factor in Yarrowia lipolytica. Current Genetics 33:231-237.

Kachroo, P., Leong, S., Chattoo, B. (1997) A rapid method for extracting DNA from filamentous fungi. International Rice Research Notes 22:47-48.

Kachroo, P., Potnis, A., Chattoo, B. (1997) Transformation of the rice blast fungus to benomyl resistance. W. J. Microbiol & Biotechnol. 13:185-187.

Kachroo, P., Lee, K., Schwerdel, C., Bailey, J., Chattoo, B. (1997) Analysis of host-induced response in the rice blast fungus Magnaporthe grisea using two dimensional gel electrophoresis. Electrophoresis 18:163-169.

Kachroo, P., Leong, S., Chattoo, B. (1997) Organisation and molecular analysis of repeated DNA sequences in the rice blast fungus Magnaporthe grisea. Current Genetics 31:361-369.

Kachroo, P., Leong, S., Chattoo, B. (1996) Molecular analysis of repeated DNA sequences from the rice blast fungus Magnaporthe grisea. Rice Genetics III (Published by the International Rice Research Institute), 279-291.

Kachroo, P., Leong, S., Chattoo, B. (1995) Mg-SINE: A short interspersed nuclear element from the rice blast fungus Magnaporthe grisea. Proc. Natl. Acad. Sci. USA 92:11125-11129.

Kachroo, P., Leong, S., Chattoo, B. (1994) Pot2, an inverted repeat transposon from the rice blast fungus Magnaporthe grisea. Mol. Gen. Genet. 245:339-348.

Book Chapters

Klessig, D.F., Kachroo, P., Slaymaker, D., Yoshioka, K., Navarre, D.A., Clark, D., Kumar, D., Shah, J. (2001) SA- and NO-mediated signaling in plant disease resistance. Bioloy of Plant-Microbe Interactions. Eds., S.A. Long, C. Allen and W.W. Triplett. Int'l Soc. Mol. Plant-Microbe Interactions., St. Paul, MN, pp. 78-82.

Klessig, D., Kumar, D., Navarre, R., Zhou, J., Shah, J., Zhang, S., Wendehenne, D., Kachroo, P., Trifa, Y., Silva, H., Pontier, D., Lam, E., Noad, R. (2000) Salicylic acid- and nitric oxide-mediated signal transduction in plant disease resistance. In: Biology of Plant-Microbe Interactions 2:13-18. Eds., P. de Witt, T. Bisseling and W. Stiekema. Kluwer Academic Publishers, The Netherlands.

Klessig, D., Navarre, R., Kumar, D., Zhou, J., Shah, J., Durner, J., Zhang, S., Wendehenne, D., Kachroo, P., Trifa, Y., Silva, H., Pontier, D., Lam, E., Noad, R. (2000) Salicylic acid- and nitric oxide-mediated signaling in plant-microorganism interactions. In: 2000 years of Natural Products Research; Past, Present and Future. Eds., TJC Luijendijk, Phtoconsult, Leiden, The Netherlands, pp 105-118 

Klessig, D., Durner, J., Navarre, D., Kumar, D., Shah, J., Zhou, J., Zhang, S., Wendehenne, D., Kachroo, P., Silva, H., Yoshioka, K., Trifa, Y., Pontier, D., Lam, E., Chen, X., Anderson, M., Du, H. (2000) Salicylic acid- and nitric oxide-mediated signal transduction in disease resistance. In: Signal Transduction in Plants: Current Advances. Eds., S. K. Sopory., R. Oelmüller and S. C. Maheshwari. Kluwer Academic Plenum Publishers, The Netherlands. pp 201-207.