Laboratory of Ann Hirsch


Total Publications (since 2002)

  1. Woo, H.-H., Kuleck, G., Hirsch, A.M., and Hawes, M.C. 2002. Flavonoids: signal molecules in plant development. Adv. Exp. Med. Biol.  505:51-60.
  2. Lum, M., Li, Y., LaRue, T.A., Schwartz, R.D., Kapulnik, Y. and Hirsch, A.M. 2002. Investigation of four non-nodulating mutants of white sweetclover ( Melilotus alba annua Desr.) mutants and their response to arbuscular-mycorrhizal fungi. Int. Comp. Biol. 42: 113-121.
  3. Hirsch, A.M., Krupp, R.S.N., Lin, Y., Wang, S.S., Yang, W., and Tucker, S.C. 2002. Inflorescence and flower development in wild-type and sid mutant Melilotus alba, white sweetclover. Can. J. Bot.  80: 732-740.
  4. Leroy, A., Potter, E., Woo, H.-H., Heber, D., and Hirsch, A.M. 2002. PCR-based identification of degraded DNA and monitoring of flavonoids isolated from alfalfa and red clover commercial preparations used as botanicals in dietary supplements. J. Agr. Food Chem. 50: 5063-5069.
  5. Giordano, W., Lum, M.R., and Hirsch, A.M. 2002. Effects of a Nod-factor overproducing strain of Sinorhizobium meliloti on the expression of the ENOD40 gene in Melilotus alba. Can. J. Bot.  80: 907-915.
  6. Hirsch, A.M., Bauer, W.D., Bird, D.M., Cullimore, J., Tyler, B., and Yoder, J.I. 2003. Molecular signals and receptors - controlling rhizosphere interactions between plants and other organisms. Ecology. 84: 858-868.
  7. De Hoff, P. and Hirsch, A.M. 2003. Nitrogen comes down to earth. Report from the 5 th European Nitrogen Fixation Conference. Mol. Plant-Microbe Inter.  16:371-375.
  8. Karlowski, W.M. and Hirsch, A.M. 2003. The overexpression of an alfalfa RING-H2 gene induces pleiotropic effects on plant growth and development. Plant Mol. Biol. 52: 121-133.
  9. Lum, M.R, and Hirsch, A.M. 2003. Roots and their symbiotic microbes: strategies to obtain nitrogen and phosphorous in a nutrient-limiting environment. J. Plant Growth Regul.  21:368-382.
  10. Woo, H.- H., Faull, K.F., Hirsch, A.M., and Hawes, M.C. 2003. Altered life cycle in Arabidopsis thalianaplants expressing PsUGT1, a UDP-glucuronosyltransferase encoding gene from Pisum sativum. Plant Physiol.133:538-548.
  11. Brill, L.M., Fujishige, N.A., Hackworth, C.A. and Hirsch A.M. 2004. Expression of MsLEC1 -transgenes in alfalfa plants causes symbiotic abnormalities. Mol. Plant-Microbe Inter.  17:16-26.
  12. Lum, M.R. and Hirsch, A.M. 2004. Overcoming fixed nitrogen deficiency by nodulation. In : R.M. Goodman (ed.). Encyclopedia of Crop and Plant Sciences. Marcel Dekker, Inc., NY. pp. 448-451.
  13. Woo, H.-H., Hirsch, A.M., and Hawes, M.C. 2004. Altered susceptibility to infection by Sinorhizobium meliloti and Nectria haematococcain alfalfa roots with altered cell cycle. Plant Cell Rep. 12:967-973.
  14. Giordano, W. and Hirsch, A.M. 2004. The expression of MaEXP1, a Melilotus alba expansin gene is up-regulated during the sweetclover- Sinorhizobium meliloti interaction. Mol. Plant-Microbe Inter.17:613-622.
  15. Wildman, S.G., Hirsch, A.M., Kirchanski, S.J., and Spencer, D. 2004. Chloroplasts in living cells and the string-of-grana concept of chloroplast structure revisited. Photosyn. Res.80:345-352.
  16. Wen, F., Woo, H.H., Hirsch, A.M., and Hawes, M.C. 2004. Lethality of inducible, meristem localized ectopic expression of ß-glucuronidase in plants. Plant Mol. Biol. Rep.  22:7-14.
  17. Hirsch, A.M. 2004. Plant-microbe symbioses: a continuum from commensalism to parasitism. Symbiosis. 37:345-363.
  18. Hirsch, A.M., Lum, M.R., Giordano, W.F., Fujishige, N.A., and Woo, H.-H. 2004. Changes elicited by Rhizobium inoculation in expression of genes influenced by phytohormone levels. In: Biology of Molecular Plant-Microbe Interaction, Vol. 4 , eds: B. Lugtenberg, I. Tikhonovich, N. Provorov, IS-MPMI, St. Paul, Minnesota, USA, pp. 383-388.
  19. Valdés, M., Pérez, N.-O., Estrada-de los Santos, P., Caballero-Mellado, J., Normand , P., and Hirsch, A.M.  2005 Non- Frankia actinomycetes isolated from surface-sterilized roots of Casuarina equisetifolia possess nifH sequences.   Appl. Environ. Microbiol. 71: 460-466.
  20. Lum, M., Potter, E., Dang, T., Heber, D., Hardy, M., and Hirsch, A.M. 2005. Identification of botanicals and potential contaminants through RFLP and sequencing. Planta Med. 71:841-846.
  21. Luckow, M., Hughes, C., Schrire, B., Pedley, L., Fagg, C., Fortunato, R., Hurter, J., Rico, L., Bruneau, A., Caccavari, M., Crisp, M., Delgado S., A., Doyle, J.J., Harris, S., Herendeen, P.S. Hernández, H.M., Hirsch, A.M., Jobson, R., Klitgaard, B.B., Simpson, B.B., Smith, G.F., Sousa S., M., Timberlake, J., Wills, C.K., Winter, P., and Wojciechowski, M.F. 2005. Acacia: the case against moving the type to Australia. Taxon. 54:513-519.
  22. Fujishige, N.A., Kapadia, N.N. and Hirsch, A.M. 2006. A feeling for the microorganism: structure on a small scale. Biofilms on plant roots. Bot. J. Linn. Soc. 150:79-88.
  23. Fujishige, N.A., Kapadia, N.N., De Hoff, P.L., and Hirsch, A.M. 2006. Investigations of Rhizobium biofilm formation. FEMS Microbiol. Ecol. 56:195-205.
  24. Rinaudi, L., Fujishige, N.A., Hirsch, A.M. 2006, Banchio, E., Zorreguieta, and Giordano, W. 2006. Effects of nutritional and environmental conditions on Sinorhizobium meliloti biofilm formation. Res. Microbiol. 157:867-875.
  25. Lee, A. and Hirsch, A.M. 2006. Signals and responses: choreographing the complex interaction between legumes and alpha- and beta-rhizobia. Plant Signal. Behavior. 1:161-168.
  26. Lum, M.R., Baycher, A., Prigge, B.A., Hardy, M., Heber, D., and Hirsch, A.M. 2007. Identification of green tea (Camellia sinensis L.) and tea oil (Camellia oleifera Abel.) by molecular biological and anatomical methods. In: Authentication of Food and Wine, S. E. Ebeler, G. R. Takeoka, P. Winterhalter, eds. Oxford University Press. pp. 290-304.
  27. Lee, A., Lum, M.R. and Hirsch, A.M. 2007. ENOD40 gene expression and cytokinin responses in the non-nodulating non-mycorrhizal (Nod-Myc-) mutant, Masym3, of Melilotus alba Desr. Plant Signal. Behav. 2:33-42.
  28. Woo, H.-H., Jeong, B.R., Hirsch, A.M., and Hawes, M.C. 2007. Characterization of Arabidopsis gene families related to pea UDP-glycosyltransferase and Scutellaria glucuronidase. Genomics 90:143-153.
  29. Woo, H.-H., Jeong, B.R., Hirsch, A.M., and Hawes, M.C. 2007. Altered expression of closely related UDP-glycosyltransferases from pea and Arabidopsis results in altered root development and function. Physiol. Plant. 130:250-260.
  30. Suzuki, A., Hara, H., Kinoue, T., Abe,, M., Uchiumi, T., Kucho, K., Higashi, S., Hirsch, A.M., and Arima, S. 2008. Split-root study of autoregulation of nodulation in the model legume Lotus japonicus. J. Plant Res. 121:245-249.
  31. Fujishige, N.A., Lum, M.R., De Hoff, P.L., Whitelegge, J.P., Faull, K.F., and Hirsch, A.M. 2008. Rhizobium common nod genes are required for biofilm formation. Mol. Microbiol. 67:504-515.
  32. Lee, A., Giordano, W., and Hirsch, A.M. 2008. Cytokinin induces expansin gene expression in Melilotus alba Desr. wild-type and the non-nodulating, non-mycorrhizal (Nod-Myc-) mutant Masym3. Plant Signal. Behavior. 3:218-223.
  33. Hirsch, A.M., Lum, M.R. and Fujishige, N.A. 2009. Microbial encounters of a symbiotic kind-attaching to roots and other surfaces. In: Emons, A.M.C. and T. Ketelaar (eds.). Root Hairs. Plant Cell Monographs. Vol. 12. Pp. 295-314. DOI 10.1007/7089_2008
  34. Hirsch, A.M. and Fujishige, N.A. 2008. Commensalism. In: Population Dynamics, Vol. 1, Encyclopedia of Ecology, 5 Vols. Eds. S.E. Jorgensen and B. D. Fath. Elsevier, Oxford. pp. 679-683.
  35. . De Hoff, P.L., Brill, L.M. and Hirsch, A.M. 2009. Plant lectins: the ties that bind in root symbiosis and plant defense. Mol. Gen. Genom. 282:1-15. DOI 10.1007/s00438-009-0460-8