Allen, R.J. (1923). A cytological study of infection of baart and kanred wheats by Puccinia grominis tritici. J. Agric. Res. 23, 131-152.

Ameisen, J.C. (1998). The evolutionary origin and role of programmed cell death in single-celled organisms. In When Cells Die (R.A. Lockshin, Z. Zakeri and J.L. Tilly, Eds.), pp. 3-56. Wiley-Liss, New York.

Aoyagi, S., Sugiyama, M., and Fukuda, H. (1998). BENI and ZENI cDNAs encoding S1-type Dnases that are associated with programmed cell death in plants. FEBS 429, 134-138.

Atwell, B.J., Drew, M.C., and Jackson, M.B. (1988). The influence of oxygen deficiency on ethylene synthesis, 1-aminocyclopropane-1-carboxylic acid levels and aerenchyma formation in roots of Zea mays L. Physiol. Plant. 72, 15-22.

Bachmair, A., Becker, F., Masterson, R.V., and Schell, J. (1990). Perturbation of the ubiquitin system causes leaf curling, vascular tissue alteration and necrotic lesions in a higher plant. EMBO J. 9, 4543-4549.

Barlow, P.W. (1982). Cell death—an integral part of plant development. In Growth Regulators in Plant Senescence (M.B. Jackson, B. Grout and I.A. Mackenzie, Eds.), pp. 27-45. Monograph 8, British Plant Growth Regulator Group, Wantage, UK.

Beals, T.P., and Goldberg, R.B. (1997). A novel cell ablation strategy blocks tobacco anther dehiscence. Plant Cell 9, 1527-1545.

Bedinger, P. (1992). The remarkable biology of pollen. Plant Cell 4, 879-887.

Beers, E.P., and Freeman, T.B. (1997). Proteinase activity during tracheary element differentiation in zinnia mesophyll cultures. Plant Physiol. 113, 873-880.

Beers, E.P., Woffenden, B.J., and Zhao, C. (2000). Plant proteolytic enzymes: possible roles during programmed cell death. Plant Mol. Biol. 44, 399-415.

Bell, P.R. (1995). Incompatibility in flowering plants: adaptation of an ancient response. Plant Cell 7, 5-16.

Bell, R.P. (1996). Megaspore abortion: A consequence of selective apoptosis? Int. J. Plant Sci. 157, 1-7.

Bensen, R.J., Johal, G.S., Crane, V.C., Tossberg, J.T., Schnable, P.S., Meeley, R.B., and Briggs, S.P. (1995). Cloning and characterization of the maize An1 gene. Plant Cell 7, 75-84.

Bethke, P.C., Hillmer, S., and Jones, R.L. (1996). Isolation of intact protein storage vacuoles from barley aleurone. Plant Physiol. 110, 521-529.

Bethke, P.C., Lonsdale, J.E., Fath, A., and Jones, R.L. (1999). Hormonally regulated programmed cell death in barley aleurone cells. Plant Cell 11, 1033-1045.

Bonnett, O.T. (1948). Ear and tassel development in maize. Ann. Mo. Bot. Garden 35, 269-288.

Brown, P.H., and Ho, T.-H.D. (1986). Barley aleurone layers secrete a nuclease in response to gibberellic acid. Plant Physiol. 82, 801-806.

Buckner, B., Janick-Buckner, D., Gray, J., and Johal, G.S. (1998). Cell-death mechanisms in maize. Trends Plant Sci. 3, 218-223.

Bush, D.S., Biswas, A.K., and Jones, R.L. (1989). Gibberellic-acid-stimulated Ca2+ accumulation in endoplasmic reticulum of barley aleurone: Ca2+ transport and steady-state levels. Planta 178, 411-420.

Bush, D.S., Cornejo, M.-J., Huang, C.-N., and Jones, R.L. (1986). Ca2+ stimulated secretion of a-amylase during development in barley aleurone protoplasts. Plant Physiol. 82, 566-574.

Calderon-Urrea, A., and Dellaporta, S.L. (1999). Cell death and cell protection genes determine the fate of pistils in maize. Development 126, 435-441.

Campbell, R., and Drew, M.C. (1983). Election microscopy of gas space (aerenchyma) formation in adventitious roots of Zea mays L. subjected to oxygen shortage. Planta 157, 350-357.

Chapman, G.P. (1987). Thetapetum. Int. Rev. Cytol. 107, 111-125.

Cheng, P.C., Grayson, R.I., and Walden, D.B. (1983). Organ initiation and the development of unisexual flowers in the tassel and ear of Zea mays. Amer. J. Bot. 70, 450-462.

Cheng, P.-C., and Pareddy, D.R. (1994). Morphology and development of the tassel and ear. In The Maize Handbook (M. Freeling and V. Walbot, Eds.), pp. 37-47. Springer.

Cheung, A.Y. (1996). The pollen tube growth pathway: its molecular and biochemical contributions and responses to pollination. Sex. Plant Reprod. 9, 330-336.

Christensen, C.A., Subramanian, S., and Drews, G.H. (1998). Identification of gametophytic mutations affecting female gametophyte development in Arabidopsis. Dev. Biol. 202, 136-151.

Deacon, J.W., Drew, M.C., and Darling, A. (1986). Progressive cortical senescence and formation of lysigenous gas space (aerenchyma) distinguished by nuclear staining in adventitious roots of Zea mays. Ann. Bot. 58, 719-727.

Dellaporta, S.L., and Calderon-Urrea, A. (1993). Sex determination in flowering plants. Plant Cell 5, 1241-1251.

Delorme, V.G.R., McCabe P.F., Kim, D.-J., and Leaver, C.J. (2000). A matrix metalloproteinase gene is expressed at the boundary of senescence and programmed cell death in cucumber. Plant Physiol. 123, 917-927.

DeLong, A., Calderon-Urrea, A., and Dellaporta, S.L. (1993). Sex determination gene TASSELSEED2 of maize encodes a short-chain alcohol dehydrogenase required for stage-specific floral organ abortion. Cell 74, 757-768.

De Martinis, D., and Mariani, C. (1999). Silencing gene expression of the ethylene-forming enzyme results in a reversible inhibition of ovule development in transgenic tobacco plants. Plant Cell 11, 1061-1071.

DeMason, D.A. (1997). Endosperm structure and development. In Cellular and Molecular Biology of Plant Seed Development (B.A. Larkins and I.K. Vasil, Eds.), pp. 73-115. Kluwer, Dordrecht.

Dietrich, R.A., Richberg, M.H., Schmidt, R., Dean, C., and Dangl, J.L. (1997). A novel zinc finger protein is encoded by the arabidopsis LSD1 gene and functions as a negative regulator of plant cell death. Cell 88, 685-694.

Drew, M.C. (1979). Root development and activities. In Arid-land Ecosystems: Structure, Functioning and Management (R.A. Perry and D.W. Goodall, Eds.), pp. 573-606. Cambridge University Press, Cambridge, UK.

Drew, M. (1997). Oxygen deficiency and root metabolism. Ann Rev. Plant Physiol. Plant Mol. Biol. 48, 223-250.

Drew, M.C., He, C.J., and Morgan, P.W. (1989). Decreased ethylene biosynthesis, and induction of aerenchyma, by nitrogen- or phosphate-starvation in adventitious roots of Zea mays L. Plant Physiol. 91, 266-271.

Drew, M.C., He, C.J., and Morgan, P.W. (2000). Programmed cell death and aerenchyma formation in roots. Trends Plant Sci. 5, 123-127.

Drew, M.C., Jackson, M.B., and Giffard, S. (1979). Ethylene-promoted adventitious rooting and development of cortical air space (aerenchyma) in roots may be adaptive responses to flooding in Zea mays L. Planta 147, 83-88.

Drew, M.C., Jackson, M.B., Giffard, S.C., and Campbell, R. (1981). Inhibition by silver ions of gas space (aerenchyma) formation in adventitious roots of Zea mays L. subjected to exogenous ethylene or to oxygen deficiency. Planta 153, 217-224.

Drew, M.C., Saglio, P., and Pradet, A. (1985). Higher adenylate energy charge and ATP/ADP ratios in aerenchy-matous roots of Zea mays in anaerobic media as a consequence of improved internal oxygen transport. Planta 165, 51-58.

Durzan, D.J. (1996). Protein ubiquination in diploid parthenogenesis and early embryos of Norway spruce. Int. J. Plant Sci. 157, 17-26.

Elliott, G.A., Robson, A.D., and Abbott, L.K. (1993). Effects of phosphate and nitrogen application on death of the root cortex in spring wheat. New Phytol. 123, 375-382.

Esau, K. (1965). Plant Anatomy (2nd ed.). John Wiley & Sons, New York.

Fath, A., Bethke, P.C., and Jones, R.L. (1999). Barley aleurone cell death is not apoptotic: characterization of nuclease activities and DNA degradation. Plant J. 20, 305-315.

Fath, A., Bethke, P.C., and Jones, R.L. (2001). Enzymes that scavenge reactive oxygen species are down-regulated prior to gibberellic acid-induced programmed cell death in barley aleurone. Plant Physiol. 126, 156-166.

Fujita, T., Kouchi, H., Ichikawa, T., and Syone, K. (1994). Cloning of cDNAs for genes that are specifically or preferentially expressed during the development of tobacco genetic tumors. Plant J. 5, 645-654.

Fukuda, H. (1996). Xylogenesis: initiation, progression, and cell death. Annu. Rev. Plant Physiol. Plant Mol. Biol. 47, 299-325.

Fukuda, H. (1997). Tracheary element differentiation. Plant Cell 9, 1147-1156.

Fukuda, H., and Komamine, A. (1980). Establishment of an experimental system for study of tracheary element differentiation from single cells isolated from the mesophyll of Zinnia elegons. Plant Physiol. 65, 57-60.

Funk, V., Kositsup, B., Zhao, C., and Beers, E.P. (2002). The arabidopsis xylem peptidase XCP1 is a tracheary element vacuolar protein that may be a papain ortholog. Plant Physiol. 128, 84-94.

Gallois, P., Makishima, M., Hecht, V., Despres, B., Laudié, M., Nishimoto, T., and Cooke, R. (1997). An Arabidopsis thaliana cDNA complementing a hamster apoptosis suppressor mutant. Plant J. 11, 1325-1331.

Gavrielli, Y., Sherman, Y., and Ben-Sasson, S.A. (1992). Identification of programmed cell death in situ via specific labeling of nuclear DNA fragmentation. J. Cell Biol. 119, 493-501.

Gietmann, A. (1999). Cell death of self-incompatible pollen tubes: Necrosis or aoiotisus? In Fertilization in Higher Plants: Molecular and Cytological Aspects (M. Cresti, G. Cai and A. Moscatelli, Eds.), pp. 113-137, Springer-Verlag, Berlin.

Gilroy, S. (1996). Signal transduction in barley aleurone protoplasts is calcium-dependent and calcium independent. Plant Cell 8, 2193-2209.

Goldberg, R.B., Beals, T.P., and Sanders, P.M. (1993). Anther development: basic principles and practical applications. Plant Cell 5, 1217-1229.

González-Carranza, Z.H., Lozoya-Gloria, E., and Roberts, J.A. (1998). Recent developments in abscission: shedding light on the shedding process. Trends Plant Sci. 3, 10-14.

Grant, S., Houben, A., Vyskot, B., Siroky, J., Pan, W.-H., Macos, J., and Saedler, H. (1994a). Genetics of sex determination in flowering plants. Dev. Genet. 15, 214-230.

Grant, S.R., Hunkirchen, B., and Saedler, H. (1994b). Developmental differences between male and female flowers in the dioecious plant Silene latifolia. Plant J. 6,471-480.

Gray, J., Close, P.S., Briggs, S.P., and Johal, G.S. (1997). A novel suppressor of cell death in plants encoded by the Lls1 gene of maize. Cell 89, 25-31.

Gray, J., and Johal, G.S. (1998). Programmed cell death in plants. In Arabidopsis (M. Anderson and J.A. Roberts, Eds.), pp. 360-388. Sheffield Academic Press, Sheffield, UK.

Greenberg, J.T. (1996). Programmed cell death: A way of life for plants. Proc. Natl. Acad. Sci. USA 93, 12094-12097.

Groover, A., DeWitt, N., Heidel, A., and Jones, A. (1997). Programmed cell death of plant tracheary elements differentiating in vitro. Protoplasma 196, 197-211.

Groover, A., and Jones, A.M. (1999). Tracheary element differentiation uses a novel mechanism coordinating programmed cell death and secondary cell wall synthesis. Plant Physiol. 119, 375-384.

Gunawardena, A.H., Pearce, D.M., Jackson, M.B., Hawes, C.R., and Evans, D.E. (2001). Characterization of programmed cell death during aerenchyma formation induced by ethylene or hypoxia in roots of maize (Zea mays L.). Planta 212, 205-214.

Havel, L., and Durzan, D.J. (1996). Apoptosis during diploid parthenogenesis and early somatic embryogenesis of Norway spruce. Int. J. Plant Sci. 157, 8-16.

Hay, M. (1997). Synchronous spawning: When timing is everything. Science 275, 1080-1081.

He, C.J., Drew, M.C., and Morgan, P.W. (1994). Induction of enzymes associated with lysigenous aerenchyma formation in roots of Zea mays during hypoxia or nitrogen-starvation. Plant Physiol. 105, 861-865.

He, C.J., Finlayson, S.A., Drew, M.C., Jordan, W.R., and Morgan, P.W. (1996a). Ethylene biosynthesis during aerenchyma formation in roots of Zea mays subjected to mechanical impedance and hypoxia. Plant Physiol. 112, 1679-1685.

He, C.J., Morgan, P.W., and Drew, M.C. (1996b). Transduction of an ethylene signal is required for cell death and lysis in the root cortex of maize during aerenchyma formation induced by hypoxia. Plant Physiol. 112, 463-472.

Henry, C.M., and Deacon, J.W. (1981). Natural (non-pathogenic) death of the cortex of wheat and barley seminal roots, as evidenced by nuclear staining with acridine orange. Plant Soil Sci. 60, 255-274.

Huang, Y.-F., Jordan, W.R., Wing, R.A., and Morgan, P.W. (1998). Gene expression induced by physical impedance in maize roots. Plant Mol. Biol. 37, 921-930.

Irish, E.E., and Nelson, T. (1989). Sex determination in monecious and dioecious plants. Plant Cell 1, 737-744.

Irish, E., and Nelson, T. (1993). Development of tassel seed 2 inflorescences in maize. Am. J. Bot. 80, 292-299.

Jackson, M.B., Fenning, T.M., Drew, M.C., and Saker, L.R. (1985). Stimulation of ethylene production and gas-space (aerenchyma) formation in adventitious roots of Zea mays L. by small partial pressures of oxygen. Planta 165, 486-492.

Jones, A.M. (2001). Programmed cell death in development and defense. Plant Physiol. 125, 94-97.

Jones, R.L., and Jacobsen, J.V. (1991). Regulation of synthesis and transport of proteins in cereal aleurone. Int. Rev. Cytol. 126, 49-88.

Justin, S.H.F.W., and Armstrong, W. (1991). Evidence for the involvement of ethene in aerenchyma formation in adventitious roots of rice (Oryza sativa L.). New Phytol. 118, 49-62.

Kao, T.H., and McCubbin, A.G. (1996). How flowering plants discriminate between self and non-self pollen to prevent inbreeding. Proc. Natl. Acad. Sci. USA 93, 12059-12065.

Kaplan, D.R. (1984). Alternative modes of organogenesis in higher plants. In Contemporary Problems in Plant Anatomy (R.A. White and W.C. Dickerson, Eds.), pp. 261-300. Academic Press, New York.

Katsuhara, M. (1997). Apoptosis-like cell death in barley roots under salt stress. Plant Cell Physiol. 38, 1091-1093.

Kawai, M., Samarajeewa, P.K., Barrero, R.A., Nishiguchi, M., and Uchimiya, H. (1998). Cellular dissection of the degradation pattern of cortical cell death during aerenchyma formation of rice roots. Planta 204, 277-287.

Kelleher, D.J., and Gilmore, R. (1997). DAD1, the defender against apoptotic cell death, is a subunit of the mammalian oligosaccharyltransferase. Proc. Natl. Acad. Sci. USA 94, 4994-4999.

Kerr, J.F.R., Wyllie, A.H., and Currie, A.R. (1972). Apoptosis: a basic biological phenomenon with side-ranging implications in tissue kinetics. Br. J. Cancer 26, 239-257.

Knetsch, M.L.W., Wang, M., Snaar-Jagalska, B.E., and Heimovaara-Dijkstra, S. (1996). Abscisic acid induces-mitogen-activated protein kinase activation in barley aleurone protoplasts. Plant Cell 8, 1061-1067.

Knowles, R.V., and Phillips, R.L. (1988). Endosperm development in maize. Int. Rev. Cytol. 112, 97-136.

Koltunow, A.M., Truettner, J., Cox, K.H., Walbroth, M., and Goldberg, R.B. (1990). Different temporal and spatial gene expression patterns occur during anther development. Plant Cell 2, 1201-1224.

Kosslak, R.M., Chamberlin, M.A., Palmer, R.G., and Bowen, B.A. (1997). Programmed cell death in the root cortex of soybean root necrosis mutants. Plant J. 11, 729-745.

Kuo, A., Cappelluti, S., Cervantes-Cervantes, M., Rodriguez, M., and Bush, D.S. (1996). Okadaic acid, a protein phosphatase inhibitor, blocks calcium changes, gene expression, and cell death induced by gibberellin in wheat aleurone cells. Plant Cell 8, 259-269.

Lam, E., and del Pozo, O. (2000). Caspase-like protease involvement in the control of plant cell death. Plant Mol. Biol. 44, 417-428.

Lascaris, D., and Deacon, J.W. (1991). Comparison of methods to assess senescence of the cortex of wheat and tomato roots. Soil Biol. Biochem. 23, 979-986.

Leopold, A.C. (1961). Senescence in plant development. Science 134, 1727-1732.

Le Roux, L.G., and Kellogg, E.A. (1999). Floral development and the formation of unisexual spikelets in Andropogoneae (Poaceae). Am. J. Bot. 86, 354-366.

Li, D., Blakey, C.A., Dewald, C., and Dellaporta, S.L. (1997). Evidence for a common sex determination mechanism for pistil abortion in maize and its wild relative Tripsacum. Proc. Natl. Acad. Sci. USA 94, 4217-4222.

Li, J., Nagpal, P., Vitart, V., McMorris, T.C., and Chory, J. (1996). A role for brassinosteroids in light-dependent development of Arabidopsis. Science 272, 398-401.

Lindholm, P., Kuittinen, T., Sorri, O., Guo, D., Merits A., Tórmakangas, K., and Rueberg-Roos, P. (2000). Glycosylation of phytepsin and expression of dad1, dad2, and ost1 during onset of cell death in germinating barley scutella. Mech. Dev. 93, 169-173.

Lockshin, R.A., and Williams, C.M. (1965). Programmed cell death. I. Cytology of the degeneration of the intersegmental muscles of the Pernyi silkmoth. J. Insect Physiol. 11, 123-133.

Martin, S.J., Reutelingsperger, C.P.M., McGahon, A.J., Rader, J.A., van Schie, R.C.A.A., LaFace, D.M., and Green, D.R. (1995). Early redistribution of plasma membrane phosphatidylserine is a general feature of apoptosis regardless of the initiating stimulus: inhibition by overexpression of Bcl-2 and Abl. J. Exp. Med. 182, 1545-1556.

McClure, B.A., Gray, J.E., Anderson, M.A., and Clarke, A.E. (1990). Self-incompatibility in Nicotiana alata involves degradation of pollen rRNA. Nature 347, 757-760.

McManus, M.T., Thompson, D.S., Merriman, C., Lyne, L., and Osborne, D.J. (1998). Transdifferentiation of mature cortical cells to functional abscission cells in bean. Plant Physiol. 116, 891-899.

Minami, A., and Fukuda, H. (1995). Transient and specific expression of a cysteine endopeptidase during autolysis in differentiating tracheary elements from zinnia mesophyll cells. Plant Cell Physiol. 36, 1599-1606.

Mittler, R. (1998). Cell death in plants. In When Cells Die (R.A. Lockshin, Z. Zakeri and J.L. Tilly, Eds.), pp. 147-174. Wiley-Liss, New York.

Mittler, R., and Lam, E. (1995). In situ detection of nDNA fragmentation during the differentiation of tracheary elements in higher plants. Plant Physiol. 108, 489-493.

Molisch, H. (1938). The Longevity of Plants (H. Fullington, Transl.). Science Press, Lancaster, PA.

Murgia, M., Huang, B.-Q., Tucker, S.C., and Musgrave, M.E. (1993). Embryo sac lacking antipodal cells in Arabidopsis thaliania (Brassicaceae). Am. J. Bot. 80, 824-838.

Newbigin, E., Anderson, M.A., and Clarke, A.E. (1993). Gametophytic self-incompatibility systems. Plant Cell 5, 1315-1324.

Nooden, L.D. (1988). The phenomena of senescence and aging. In Senescence and Aging in Plants (L.D. Nooden and A.C. Leopold, Eds.), pp. 1-50, Academic Press, San Diego.

Nooden, L.D., Guiamet, J.J., and John, I. (1997). Senescence mechanisms. Physiol. Plant. 101, 746-753.

Obara, K., Kuriyama, H., and Fukuda, H. (2001). Direct evidence of active and rapid nuclear degradation triggered by vacuole rupture during programmed cell death in zinnia. Plant Physiol. 125, 615-626.

O'Brien, I.E.W., Baguley, B.C., Murray, B.G., Morris, B.A.M., and Ferguson, I.B. (1998). Early stages of the apoptotic pathway in plant cells are reversible. Plant J. 13, 803-814.

O'Brien, I.E.W., Reutelingsperger, C.P.M., and Holdaway, K.M. (1997). Annexin-V and TUNEL use in monitoring the progression of apoptosis in plants. Cytometry 29, 28-33.

Olson, A.R., and Cass, D.D. (1981). Changes in megagametophyte structure in Papover nudicaule L. (Papaveraceae) following in vitro placental pollination. Am. J. Bot. 68, 1333-1341.

Oraez, D., and Granell, A. (1997). DNA fragmentation is regulated by ethylene during carpel senescence in Pisum sativum. Plant J. 11, 137-144.

Osborne, D.J. (1989). Abscission. Crit. Rev. Plant Sciences 8, 103-129.

Pappelis, A.J., and Katsanos, R.A. (1969). Ear removal and cell death rate in corn stalk tissue. Phytopath. 59, 129-131.

Phinney, B.O. (1984). Gibberellin A1, dwarfism and the control of shoot elongation in higher plants. In The Biosynthesis and Metabolism of Plant Hormones (A. Crozier and J.R. Hillman, Eds.), pp. 17-41. Cambridge University Press, Cambridge, UK.

Raghavan, V. (1986). Embryogenesis in Angiosperms. Cambridge University Press, Cambridge, UK.

Roberts, A.W., and Haigler, C.H. (1990). Tracheary-element differentiation in suspension-cultured cells of Zinnia requires uptakes of extracellular Ca2+. Planta 180, 502-509.

Roberts, J.K.M., Callis, J., Jardetzky, O., Walbot, V., and Freeling, M. (1984). Cytoplasmic acidosis as a determinant of flooding intolerance in plants. Proc. Natl. Acad. Sci. USA 81, 6029-6033.

Runeberg-Roos, P., and Saarma, M. (1998). Phytepsin, a barley vacuolar aspartic proteinase, is highly expressed during autolysis of developing tracheary elements and sieve cells. Plant J. 15, 139-145.

Russell, S.D. (1996). Attraction and transport of male gametes for fertilization. Sex. Plant Reprod. 9, 337-342.

Salvesen, G.S., and Dixit, V.M. (1997). Caspases: intracellular signaling by proteolysis. Cell 91, 443-446.

Schmid, M., Simpson, D., and Geitl, C. (1999). Programmed cell death in castor bean endosperm is associated with the accumulation and release of a cysteine endopeptidase from ricinosomes. Proc. Natl. Acad. Sci. USA 96, 14159-14164.

Schwartz, B.W., Vernon, D.M., and Meinke, D.W. (1997). Development of the suspensor: differentiation, communication and programmed cell death during plant embryogenesis. In Cellular and Molecular Biology of Plant Seed Development (B.A. Larkins and I.K. Vasil, Eds.), pp. 53-72. Kluwer, Dordrecht.

Sexton, R., and Roberts, J.A. (1982). Cell biology of abscission. Ann. Rev. Plant Physiol. 33, 133-162.

Shone, M.G.T., and Flood, A.V. (1983). Effects of periods of localized water stress on subsequent nutrient uptake by bailey roots and their adaptation by osmotic adjustment. New Phytol. 94, 561-572.

Solomon, M., Belenghi, B., Delledonne, M., Menachem, E., and Levine, A. (1999). The involvement of cysteine proteases and protease inhibitor genes in regulation of programmed cell death in plants. Plant Cell 11, 431-443.

Tanaka, Y., Makishima, T., Sasabe, M., Ichinose, Y., Shiraishi, T., Nishimoto, T., and Yamada, T. (1997). DADI, a putative cell death gene in rice. Plant Cell Physiol. 38, 383-397.

Tang, X., Gomes, A.M.T.R., Bhatia, A., and Woodson, W.R. (1994). Pistil-specific and ethylene-regulated expression of 1-aminocyclopropane-1-carboxylate oxidase genes in petunia flowers. Plant Cell 6, 1227-1239.

Thornberry, N.A., and Lazebnik, Y. (1998). Caspases: enemies within. Science 281, 1312-1316.

Vaux, D.L., and Korsmeyer, S.J. (1999). Cell death in development. Cell 96, 245-254.

Wang, H., Li, J., Bostock, R.M., and Gilchrist, D.G. (1996a). Apoptosis: A functional paradigm for programmed plant cell death induced by a host-selective phytotoxin and invoked during development. Plant Cell 8, 375-391.

Wang, H., Wu, H.-M., and Cheung, A.Y. (1996b). Pollination induces mRNApoly (A) tail shortening and cell deterioration in flower transmitting tissue. Plant J. 9, 715-727.

Wang, M., Hoekstra, S., van Bergen, S., Lamers, G.E.M., Oppedijk, B.J., van der Heijden, M.W., de Priester, W., and Schilperoort, R.A. (1999). Apoptosis in developing anthers and the role of ABA in this process during androgenesis in Hordeum vulgare L. Plant Mol. Biol. 39, 489-501.

Wang, M., Oppedijk, B.J., Lu, X., Van Duijn, B., and Schilperoort, R.A. (1996c). Apoptosis in barley aleurone during germination and its inhibition by abscisic acid. Plant Mol. Biol. 32, 1125-1134.

Winkler, R.G., and Helentjaris, T. (1995). The maize dwarf 3 gene encodes a cytochrome p450-mediated early step in gibberellin biosynthesis. Plant Cell 7, 1307-1317.

Wodzicki, T.J., and Brown, C.L. (1973). Organization and breakdown of the protoplast during maturation of pine tracheids. Amer. J. Bot. 60, 631-640.

Woffenden, B.J., Freeman, T.B., and Beers, E.P. (1998). Proteasome inhibitors prevent tracheary element differentiation in zinnia mesophyll cell cultures. Plant Physiol. 118, 419-430.

Wu, H.-M., and Cheung, A.Y. (2000). Programmed cell death in plant reproduction. Plant Mol. Biol. 44, 267-281.

Wu, H.-M., Wang, H., and Cheung, A.Y. (1995). A pollen tube growth stimulatory glycoprotein is deglycosylated by pollen tubes and displays a glycosylation gradient in the flower. Cell 82, 393-403.

Ye, Z.H., and Varner, J.E. (1993). Gene expression patterns associated with in vitro tracheary element formation in isolated single mesophyll cells of Zinnia elegans. Plant Physiol. 103, 805-813.

Ye, Z.H., and Varner, J.E. (1996). Induction of cysteine and serine proteases during xylogenesis in Zinnia elegans. Plant Mol. Biol. 30, 1233-1246.

Yeung, E.C., and Meinke, D.W. (1993). Embryogenesis in angiosperms: development of the suspensor. Plant Cell 5, 1371-1381.

Young, T.E., and Gallie, D.R. (1999). Analysis of programmed cell death during wheat endosperm reveals differences in endosperm development between cereals. Plant Mol. Biol. 39, 915-926.

Young, T.E., and Gallie, D.R. (2000). Programmed cell death during endosperm development. Plant Mol. Biol. 44, 283-301.

Young, T.E., Gallie, D.R., and De Mason, D.A. (1997). Ethylene-mediated programmed cell death during maize endosperm development of wild-type and shrunken 2 genotypes. Plant Physiol. 115, 737-751.

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