Jocelyn Malamy
Title | Associate Professor |
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Institution | University of Chicago |
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Department | Molecular Genetics and Cell Biology |
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Address | Chicago IL 60637
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vCard | Download vCard |
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Overview My lab works in two model systems: the model plant Arabidopsis thaliana and the emerging model Cnidarian Clytia hemisphaerica. In Arabidopsis, we are studying long distance signaling via the phloem. While it is known that a complex and dynamic array of signals move through the phloem, the identity and function of these signals is still largely unknown. In unpublished work we have developed a novel system for isolating phloem sap for analysis of protein signaling molecules. Our goal is to determine mechanism for modulation of phloem signaling molecules in response to environmental cues. In Clytia, we have recently started a new project to understand wound healing and regeneration. Regenerative capabilities in Cnidarians are second only to plants. We have found that epithelial healing is at least 100x faster in Cnidarians that in other model systems, and can be visualized at high resolution in this transparent marine animal. Current work focuses on characterizing wound healing processes and developing tools for genome editing.
Biography Tufts University, Medford, MA | BS | 07/1985 | Biology | Rutgers, The State University of New Jersey, New Brunswick, NY | Ph.D. | 09/1993 | Microbiology | New York University, New York, NY | Post Doctoral Fellowship | 1999 | Plant Biology |
ORNG Applications Bibliographic
Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications.
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Malamy JE, Shribak M. An orientation-independent DIC microscope allows high resolution imaging of epithelial cell migration and wound healing in a cnidarian model. J Microsc. 2018 06; 270(3):290-301. PMID: 29345317.
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Kamran Z, Zellner K, Kyriazes H, Kraus CM, Reynier JB, Malamy JE. In vivo imaging of epithelial wound healing in the cnidarian Clytia hemisphaerica demonstrates early evolution of purse string and cell crawling closure mechanisms. BMC Dev Biol. 2017 12 19; 17(1):17. PMID: 29258421.
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Roycewicz PS, Malamy JE. Cell wall properties play an important role in the emergence of lateral root primordia from the parent root. J Exp Bot. 2014 May; 65(8):2057-69. PMID: 24619997.
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Roycewicz P, Malamy JE. Dissecting the effects of nitrate, sucrose and osmotic potential on Arabidopsis root and shoot system growth in laboratory assays. Philos Trans R Soc Lond B Biol Sci. 2012 Jun 05; 367(1595):1489-500. PMID: 22527391.
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Ingram P, Dettmer J, Helariutta Y, Malamy JE. Arabidopsis Lateral Root Development 3 is essential for early phloem development and function, and hence for normal root system development. Plant J. 2011 Nov; 68(3):455-67. PMID: 21749503.
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Macgregor DR, Deak KI, Ingram PA, Malamy JE. Root system architecture in Arabidopsis grown in culture is regulated by sucrose uptake in the aerial tissues. Plant Cell. 2008 Oct; 20(10):2643-60. PMID: 18952782.
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Malamy J. Transgene expression in regenerated roots. CSH Protoc. 2007 Feb 01; 2007:pdb.prot4691. PMID: 21357026.
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Fitz Gerald JN, Lehti-Shiu MD, Ingram PA, Deak KI, Biesiada T, Malamy JE. Identification of quantitative trait loci that regulate Arabidopsis root system size and plasticity. Genetics. 2006 Jan; 172(1):485-98. PMID: 16157665.
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Little DY, Rao H, Oliva S, Daniel-Vedele F, Krapp A, Malamy JE. The putative high-affinity nitrate transporter NRT2.1 represses lateral root initiation in response to nutritional cues. Proc Natl Acad Sci U S A. 2005 Sep 20; 102(38):13693-8. PMID: 16157886.
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Deak KI, Malamy J. Osmotic regulation of root system architecture. Plant J. 2005 Jul; 43(1):17-28. PMID: 15960613.
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Nawy T, Lee JY, Colinas J, Wang JY, Thongrod SC, Malamy JE, Birnbaum K, Benfey PN. Transcriptional profile of the Arabidopsis root quiescent center. Plant Cell. 2005 Jul; 17(7):1908-25. PMID: 15937229.
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Malamy JE. Intrinsic and environmental response pathways that regulate root system architecture. Plant Cell Environ. 2005 Jan; 28(1):67-77. PMID: 16021787.
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Malamy JE, Ryan KS. Environmental regulation of lateral root initiation in Arabidopsis. Plant Physiol. 2001 Nov; 127(3):899-909. PMID: 11706172.
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Wysocka-Diller JW, Helariutta Y, Fukaki H, Malamy JE, Benfey PN. Molecular analysis of SCARECROW function reveals a radial patterning mechanism common to root and shoot. Development. 2000 Feb; 127(3):595-603. PMID: 10631180.
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Sabatini S, Beis D, Wolkenfelt H, Murfett J, Guilfoyle T, Malamy J, Benfey P, Leyser O, Bechtold N, Weisbeek P, Scheres B. An auxin-dependent distal organizer of pattern and polarity in the Arabidopsis root. Cell. 1999 Nov 24; 99(5):463-72. PMID: 10589675.
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Malamy JE, Benfey PN. Analysis of SCARECROW expression using a rapid system for assessing transgene expression in Arabidopsis roots. Plant J. 1997 Oct; 12(4):957-63. PMID: 9375406.
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Malamy JE, Benfey PN. Organization and cell differentiation in lateral roots of Arabidopsis thaliana. Development. 1997 Jan; 124(1):33-44. PMID: 9006065.
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Di Laurenzio L, Wysocka-Diller J, Malamy JE, Pysh L, Helariutta Y, Freshour G, Hahn MG, Feldmann KA, Benfey PN. The SCARECROW gene regulates an asymmetric cell division that is essential for generating the radial organization of the Arabidopsis root. Cell. 1996 Aug 09; 86(3):423-33. PMID: 8756724.
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Chen Z, Malamy J, Henning J, Conrath U, Sánchez-Casas P, Silva H, Ricigliano J, Klessig DK. Induction, modification, and transduction of the salicylic acid signal in plant defense responses. Proc Natl Acad Sci U S A. 1995 May 09; 92(10):4134-7. PMID: 11607539.
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Klessig DF, Malamy J. The salicylic acid signal in plants. Plant Mol Biol. 1994 Dec; 26(5):1439-58. PMID: 7858199.
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Klessig DF, Malamy J, Hennig J, Sanchez-Casas P, Indulski J, Grynkiewicz G, Chen Z. Induction, modification, and perception of the salicylic acid signal in plant defence. Biochem Soc Symp. 1994; 60:219-29. PMID: 7639781.
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Hennig J, Malamy J, Grynkiewicz G, Indulski J, Klessig DF. Interconversion of the salicylic acid signal and its glucoside in tobacco. Plant J. 1993 Oct; 4(4):593-600. PMID: 8252063.
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Malamy J, Hennig J, Klessig DF. Temperature-Dependent Induction of Salicylic Acid and Its Conjugates during the Resistance Response to Tobacco Mosaic Virus Infection. Plant Cell. 1992 Mar; 4(3):359-366. PMID: 12297650.
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Malamy J, Carr JP, Klessig DF, Raskin I. Salicylic Acid: a likely endogenous signal in the resistance response of tobacco to viral infection. Science. 1990 Nov 16; 250(4983):1002-4. PMID: 17746925.
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Year | Publications |
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1990 | 1 | 1992 | 1 | 1993 | 1 | 1994 | 2 | 1995 | 1 | 1996 | 1 | 1997 | 2 | 1999 | 1 | 2000 | 1 | 2001 | 1 | 2005 | 5 | 2007 | 1 | 2008 | 1 | 2011 | 1 | 2012 | 1 | 2014 | 1 | 2017 | 1 | 2018 | 1 |
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