Meagher Laboratory

 

Muthugapatti K. Kandasamy, Ph.D.
Associate Research Scientist
Department of Genetics
Life Science Building
University of Georgia
Athens, GA 30602
Phone: 706-542-1410; Fax: 706-542-1387
E-mail: kandu@uga.edu

 

EDUCATION


University of Madras, India B.Sc. 1976 Botany, Zoology & Chemistry
University of Madras, India M.Sc. 1978 Botany
University of Mysore, India B.Ed. 1979 Education & Teaching
University of Madras, India M.Phil. 1980 Botany
University of Madras, India Ph.D. 1985 Botany


RESEARCH AND PROFESSIONAL EXPERIENCE


1984-1985 Assistant Professor of Botany, Vivekananda College, University of Madras, Madras, India – Teaching Plant Biology to undergraduate and post-graduate students
1986-1987, June-July 1988 Alexander von Humboldt Research Fellow in Laboratory of Prof. Dr. Udo Kristen, Institut fur Allgemeine Botanik, University of Hamburg, Germany – Cell Biology, Environmental Science, Pollen-pistil interaction.
1987-1988 Council of Scientific and Industrial Research-Pool Officer in the Department of Plant Biology, Madurai Kamaraj University, India – Pollination Biology
1988-1991 Postdoctoral Research Associate in the Laboratory of Mike and June Nasrallah, Plant Biology, Cornell University, Ithaca, NY – Cell-cell communication, pollen-stigma interaction, Self-incompatibility
1991-1995 Research Associate in the Laboratory of Mike and June Nasrallah, Plant Biology, Cornell University, Ithaca, NY - Cell-cell communication, pollen-stigma interaction, Self-incompatibility
1996-2000 Research Associate in the Laboratory of Rich Meagher, Department of Genetics, University of Georgia, Athens, GA – Plant actin cytoskeleton
2000-2004 Assistant Research Scientist, Department of Genetics, University of Georgia, Athens, GA

2004-Present Associate Research Scientist in the Laboratory of Rich Meagher, Department of Genetics, University of Georgia, Athens, GA – Actin, profilin and ARP gene families

 

HONORS AND AWARDS


Recipient of Alexander von Humboldt Research Fellowship, West Germany (March 1986 - July 1987, June - July 1988).
Recipient of Council of Scientific and Industrial Research - Scientific Pool Officership, India (Sep. 1987 - Sep.1988).
Recipient of Council of Scientific and Industrial Research - Senior Research Fellowship, India (Feb. 1982 - Nov. 1984).
Recipient of Council of Scientific and Industrial Research - Junior Research Fellowship, India (Feb. 1980 - Feb. 1982).

 

PUBLICATIONS:


65. Deal, R.B., Topp, C.N., McKinney, E.C., and Meagher, R.B. (2007) Repression of flowering in Arabidopsis requires activation of FLOWERING LOCUS C expression by the histone variant H2A.Z. Plant Cell 19, 74-83.

 

64. Meagher, R.B., Kandasamy, M.K., Deal, R.B., and McKinney, E.C. (2007) Actin-related proteins in chromatin-level control of the cell cycle and developmental transitions. Trends Cell Biol 17, 325-32.

 

63. Kandasamy, M.K., Burgos-Rivera, B., McKinney, E.C., Ruzicka, D., and Meagher, R.B. (2007) Class-specific interactions of profilin and ADF isovariants with actin in the regulation of plant development. In Press.

 

62. Ruzicka, D., Kandasamy, M.K., McKinney, E.C., Bursos-Rivera, B., and Meagher, R.B. (2007) The ancient subclasses of Arabidopsis ACTIN DEPOLYMERIZING FACTOR genes exhibit novel and differential expression. Plant J. In Press.

 

61. Pawloski, L.C., Kandasamy, M.K., and Meagher, R.B.(2006). The late pollen actins are essential for normal male and female development in Arabidopsis. Plant Mol Biol 62, 881-96.

60. Deal, R.B., Kandasamy, M.K., McKinney, E.C. and Meagher, R.B. 2005. The Nuclear Actin-Related Protein ARP6 Is a Pleiotropic Developmental Regulator Required for the Maintenance of FLOWERING LOCUS C Expression and Repression of Flowering in Arabidopsis. Plant Cell 17: 2633-2646.


59. Kandasamy, M.K., Deal, R.B., McKinney, E.C. and Meagher, R.B. 2005a. Silencing the nuclear actin-related protein AtARP4 in Arabidopsis has multiple effects on plant development, including early flowering and delayed floral senescence. Plant J 41: 845-58.


58. Kandasamy, M.K., McKinney, E.C., Deal, R.B. and Meagher, R.B. 2005. ARP7 is an essential actin-related protein required for embryo development and its knockdown affects plant architecture and flower senescence in Arabidopsis. Plant Physiol 138: 2019-2032.


57. Meagher, R.B., Deal, R.B., Kandasamy, M.K. and McKinney, E.C. 2005. Nuclear actin-related proteins as epigenetic regulators of development. Plant Physiol 139: 1576-85.


56. Kandasamy, M.K., Deal, R.B., McKinney, E.C. and Meagher, R.B. 2004. Plant actin-related proteins. Trends Plant Sci 9: 196-202.

55. Kandasamy, M.K., McKinney, E. and Meagher, R.B. 2003. Cell cycle dependent association of Arabidopsis actin-related proteins AtARP4 and AtARP7 with the nucleus. Plant J. 33: 939-948.


54 Bizily, S.P., Kim, T., Kandasamy, M.K. and Meagher, R.B. 2003. Subcellular targeting of methylmercury lyase enhances its specific activity for organic mercury detoxification in plants. Plant Physiol. 131: 463-471.


53 Gilliland, L.U., Pawloski, L.C., Kandasamy, M.K. and Meagher, R.B. 2003. Arabidopsis actin gene ACT7 plays an essential role in germination and root growth. Plant J. 33: 319-328.


52 Gilliland, L.U., Kandasamy, M.K., Pawloski, L.C. and Meagher, R.B. 2002. Both vegetative and reproductive actin isovariants complement the stunted root hair phenotype of the Arabidopsis thaliana act2-1 mutation. Plant Physiol. 130: 2199-2209.


51 Kandasamy, M.K., McKinney, E. and Meagher, R.B. 2002. Plant profilin isovariants are distinctly regulated in vegetative and reproductive tissues. Cell Motil. Cytoskeleton 52: 22-32.


50 McKinney, E.C., Kandasamy, M.K. and Meagher, R.B. 2002. Arabidopsis contains ancient classes of differentially expressed actin-related protein genes. Plant Physiol. 128: 997-1007.


49 Kandasamy, M.K., McKinney, E. and Meagher, R.B. 2002. Functional nonequivalency of actin isovariants in Arabidopsis. Mol. Biol. Cell 13: 251-261.


48 Li, Y., Kandasamy, M.K. and Meagher, R.B. 2001. Rapid isolation of monoclonal antibodies: monitoring enzymes in the phytochelatin synthesis pathway. Plant Physiol. 127: 711-719.


47 Kandasamy, M.K., Gilliland, L.U., McKinney, E. and Meagher, R.B. 2001. One plant actin isovariant, ACT7, is induced by auxin and required for normal callus formation. Plant Cell 13: 1541-1554.


46 McKinney, E.C., Kandasamy, M.K. and Meagher, R.B. 2001. Small changes in the regulation of one Arabidopsis profilin isovariant, PRF1, alter seedling development. Plant Cell 13: 1179-1191.


45 Kandasamy, M.K. and Meagher, R.B. 2000. Cytoskeleton-organelle interaction: Higher plant chloroplasts are contained in actin baskets and attached to actin filaments and bundles. Microsc. Microanal. 6 (Suppl. 2) 296-297.


44 Nasrallah, M.E., Kandasamy, M.K., Chang, M-C., Stadler, Z., Lim, S. and Nasrallah, J.B. 2000. Identifying genes for pollen-stigma recognition in crucifers. Ann.Bot. 85 (suppl.A):125-132.


43 Meagher, R.B., Rugh, C.L., Kandasamy, M.K., Gragson, G. and Wang, N.J. 2000. Engineered phytoremediation of mercury pollution in soil and water using bacterial genes. In: Phytoremediation of Contaminated Soil and Water. Eds. Terry, N. and Banuelos, G. CRC Press LLC, Boca Raton, Florida. P 201-219.


42 Meagher, R.B., McKinney, E.C. and Kandasamy, M.K. 2000. The significance of diversity in the plant actin gene family: Studies in Arabidopsis. In: Acitn: A Dynamic Framework for Multiple Plant Cell Functions. Eds. Staiger, C.J. et al. Klewer Academic Publishers, Dordrecht, The Netherlands. p 3-27.


41 Kandasamy, M.K., and Meagher, R.B. 1999. Actin-organelle interaction: Association with chloroplast in Arabidopsis leaf mesophyll cells. Cell Motil. Cytoskeleton 44:110-118.


40 Meagher, R.B., McKinney, E., and Kandasamy, M.K. 1999. Isovariant dynamics expands and buffers the responses of complex systems: The diverse plant actin gene family. Plant Cell 6:995-1005.


39 Kandasamy, M.K., McKinney, E., and Meagher, R.B. 1999. The pollen-specific actins in angiosperms. Plant J. 18:681-691.


38 Conner, J.A., Tantikankanjana, T., Stein, J.C., Kandasamy, M.K., Nasrallah, J.B. and Nasrallah, M.E. 1997. Transgene-induced silencing of S-locus genes and related genes in Brassica. Plant J. 11:809-823.


37 Kandasamy, M.K., Nasrallah, J.B. and Nasrallah, M.E. 1994. Pollen-pistil interactions and developmental regulation of pollen tube growth in Arabidopsis. Development 120: 3405-3418.


36 Dwyer, K.G., Kandasamy, M.K., Mahosky, D.I., Acciai, J., Kudish, B.I., Miller, J.E., Nasrallah, M.E. and Nasrallah, J.B. 1994. A superfamily of S locus-related sequences in Arabidopsis: diverse structures and expression patterns. Plant Cell 6:1829-1843.


35 Nasrallah, J.B., Stein, J.C., Kandasamy, M.K. and Nasrallah, M.E. 1994. Signaling the arrest of pollen tube development in self-incompatible plants. Science 266: 1505-1508.


34 Kandasamy, M.K., Thorsness, M.K., Rundle, S.J., Goldberg, M.L., Nasrallah, J.B. and Nasrallah, M.E. 1993. Ablation of papillar cell function in Brassica flowers results in the loss of stigma receptivity to pollination. Plant Cell 5: 263-275.


33 Thorsness, M.K., Kandasamy, M.K., Nasrallah, M.E. and Nasrallah, J.B. 1993. Genetic ablation of floral cells in Arabidopsis. Plant Cell 5: 253-261.


32 Kandasamy, M.K., Kappler, R. and Kristen, U. 1992. Ultrastructure of tobacco pollen tubes grown in vivo, semivivo and in vitro. Mitt. Inst. Allg. Bot. Hamburg. 24: 51-60.


31 Nasrallah, M.E., Kandasamy, M.K. and Nasrallah, J.B. 1992. A genetically defined trans-acting locus regulates S-locus function in Brassica. Plant J. 2: 497-506.


30 Nishio, T., Toriyama, K., Sato, T., Kandasamy, M.K., Paolillo, D.J., Nasrallah, J.B. and Nasrallah, M.E. 1992. Expression of S-locus glycoprotein genes from Brassica oleracea and B. campestris in transgenic plants of self-compatible B. napus cv Westar. Sex. Plant Reprod. 5: 101-109.


29 Bose, S., Vijayan, P., Santhanam, R. and Kandasamy, M.K. 1992. Inhibition of cation-induced reversible changes in excitation energy distribution in the thylakoids of BASF 13.338 grown plants. Biochim. Biophys. Acta 1098: 351-358.


28 Kandasamy, M.K., Parthasarathy, M.V. and Nasrallah, M.E. 1991. High pressure freezing and freeze substitution improve immunolabeling of S-locus specific glycoproteins in the stigma papillae of Brassica. Protoplasma 162: 187-191.


27 Thorsness, M.K., Kandasamy, M.K., Nasrallah, M.E. and Nasrallah, J.B. 1991. A Brassica S-locus gene promoter targets toxic gene expression and cell death to the pistil and pollen of transgenic Nicotiana. Dev. Biol. 143: 173-184.


26 Sato, T., Thorsness, M.K., Kandasamy, M.K., Nishio, T., Hirai, M., Nasrallah, J.B., Nasrallah, M.E. 1991. Activity of an S-locus gene promoter in pistils and anthers of transgenic Brassica. Plant Cell 3: 867-876.


25 Kandasamy, M.K., Dwyer, K.G., Paolillo, D.J., Doney, R.C., Nasrallah, J.B. and Nasrallah, M.E. 1990. Brassica S-proteins accumulate in the intercellular matrix along the path of pollen tubes in transgenic Nicotiana pistils. Plant Cell 2: 39-49.


24 Umbach, A.L., Lalonde, B.A., Kandasamy, M.K., Nasrallah, J.B. and Nasrallah, M.E. 1990. Immunodetection of protein glycoforms encoded by two independent genes of the self-incompatibility multigene family of Brassica. Plant Physiol. 93: 739- 747.


23 Kandasamy, M.K. and Kristen, U. 1990. Developmental aspects of ultrastructure and histochemistry of the stylar transmitting tissue of Nicotiana sylvestris. Bot. Acta 103: 384-391.


22 Kandasamy, M.K., Paolillo, D.J., Faraday, C.D., Nasrallah, J.B. and Nasrallah, M.E. 1989. The S-locus specific glycoproteins of Brassica accumulate in the cell wall of developing stigma papillae. Dev. Biol. 134: 462-472.


21 Kandasamy, M.K. and Kristen, U. 1989. Influence of triethyllead on the growth and ultrastructure of tobacco pollen tubes. Environ. exp. Bot. 29: 289-292.


20 Kandasamy, M.K. and Kristen, U. 1989. Ultrastructural response of tobacco pollen tubes to heat shock. Protoplasma 153: 104-110.


19 Kandasamy, M.K., Kappler. R. and Kristen, U. 1988. Plasmatubules in the pollen tubes of Nicotiana sylvestris. Planta 173: 35-41.


18 Kristen, U., Lockhausen, J. and Kandasamy, M.K. 1988. Structural aspects of protein secretion in higher plant cells. Phyton 28: 183-191.


17 Kandasamy, M.K. and Kristen, U. 1987. Developmental aspects of ultrastructure, histochemistry and receptivity of the stigma of Nicotiana sylvestris. Ann. Bot. 60: 427- 437.


16 Kandasamy, M.K. and Kristen, U. 1987. Pentachlorophenol affects mitochondria and induces formation of Golgi apparatus-endoplasmic reticulum hybrids in tobacco pollen tubes. Protoplasma 141: 112-120.


15 Kandasamy, M.K. and Kristen, U. 1987. Pollen tube growth in the style of Nicotiana sylvestris is neither influenced by ovary nor guided by a gradient. J. Plant Physiol. 131: 495-500.


14 Kandasamy, M.K. and Vivekanandan, M. 1986. Composition of the stigmatic secretions of long and medium styled flowers of Eichhornia. Biol. Plant. 28: 207-210.


13 Kandasamy, M.K. 1986. The stigmatic exudate of Cyamopsis tetragonoloba Taub. Biochem. Physiol. Planzen 181: 571-575.


12 Sathiyamoorthy, P., Kandasamy, M.K. and Vivekanandan, M. 1986. Pod maturity in situ affects seed germination and seedling vigour in Dolichos lablab L. Legume Research 9: 114-116.


11 Kandasamy, M.K. and Vivekanandan, M. 1986. Stigmatic exudate: Its origin, physical nature, biochemical composition and function. Indian Rev. Life Sci. 6: 1-17.


10 Kandasamy, M.K. and Vivekanandan, M. 1985. Enzyme studies on the stigmatic exudate of Cyamopsis tetragonoloba before and after pollination. Indian J. Bot. 8: 9- 12.


9 Kandasamy, M.K. and Vivekanandan, M. 1985. Promotion of in vitro pollen growth of Cyamopsis tetragonoloba (L.) Taub. by the stigmatic and stylar extracts of Vigna sinensis (L.) Hassk. J. Curr. Biosci. 2: 55-58.


8 Kandasamy, M.K. and Vivekanandan, M. 1984. A comparative study on the structural features of the stigma and style in three members of Leguminosae. J. Swamy Bot. Cl. 3: 79-88.


7 Kandasamy, M.K. and Vivekanandan, M. 1983. Biochemical composition of the stigmatic exudate of Eichhornia crassipes Solms. Aquat. Bot. 16: 41-47.


6 Kandasamy, M.K. and Vivekanandan, M. 1983. Enhancement of in vitro pollen growth of Cyamopsis tetragonoloba. Curr. Sci. 52: 129-131.


5 Kandasamy, M.K. and Vivekanandan, M. 1983. Effect of stigmatic exudate and pistil extracts of Cajanus cajan (L.) Millsp. on in vitro pollen growth of Cyamopsis tetragonoloba Taub. Plant Sci. Lett. 32: 343-348.


4 Kandasamy, M.K. and Vivekanandan, M. 1983. Effect of stigmatic exudate components on in vitro pollen growth of Cyamopsis tetragonoloba Taub. Israel J. Bot. 32: 213-219.


3 Vivekanandan, M. and Kandasamy, M.K. 1983. Physiological effect of termite soil on plant growth. Comp. Physiol. Ecol. 81: 92-95.


2 Kandasamy, M. K. and Vivekanandan, M. 1982. Promotion of in vitro pollen germination of Cyamopsis tetragonoloba by stigmatic exudate of Vigna catjang. Z. Pflanzenphysiol. 107: 373-377.


1 Periasamy, K. and Kandasamy, M.K. 1981. Development of anther of Annona squamosa L. Ann. Bot. 48: 885-893.