Abstract
Seedling and suspension culture protoplasts of subterranean clover (Trifolium subterraneum L.) were successfully cultured in semi-solid drops of calcium alginate and ultrafiltered liquid medium. Protoplast-derived subterranean-clover colonies developed as the osmolality was lowered over three steps. Callus was established from these colonies. Calli derived from protoplasts have failed to regenerate on a range of media. The frequency of dividing subterranean-clover protoplasts was increased in the presence of lucerne (Medicago sativa L.) nurse cells. Low-voltage treatments (200 mV) for the first 16–132 hours of culture also resulted in a 100% increase in the frequency of dividing protoplasts.
Similar content being viewed by others
References
Davey MR, Power JB (1988) Aspects of protoplast culture and plant regeneration. Plant Cell Tissue Organ Culture 12: 115–125
Davies PA, Larkin PJ, Tanner GJ (1989) Enhanced protoplast division by media ultrafiltration. Plant Sci 60: 237–244
Dijak M, Simmonds DH (1988) Microtubule organization during early embryogenesis from mesophyll protoplasts of Medicago sativa L. Plant Sci 58: 183–191
Dijak M, Smith DL, Wilson TJ, Brown DCW (1986) Stimulation of direct embryogenesis from mesophyll protoplasts of Medicago sativa. Plant Cell Rep 5: 468–470
Graham PH (1968) Growth of Medicago sativa L. and Trifolium subterraneum L. in callus and suspension culture. Phyton 25: 159–162
Gresshoff PM (1980) In vitro culture of white clover: callus, suspension, protoplast culture, and plant regeneration. Bot Gazette 14: 157–164
Goldsworthy A (1986) The electric compass of plants. New Scientist (2 January): 22–23
Goldsworthy A, Rathore KS (1985) The electrical control of growth in plant tissue cultures: the polar transport of auxin. J Exp Bot 36: 1134–1141
Grosser JW, Collins GB (1984) Isolation and culture of Trifolium rubens protoplasts with whole plant regeneration. Plant Sci Lett 37: 165–170
Johnson LB, Stuteville DL, Higgins RK, Skinner DZ (1981) Regeneration of alfalfa plants from protoplasts of selected Regen S clones. Plant Sci Lett 20: 297–304
KinositaJr. K, Tsong TY (1977) Voltage-induced pore formation and hemolysis of human erythrocytes. Biochim Biophys Acta 471: 227–242
Larkin PJ (1976) Purification and viability determinations of plant protoplasts. Planta 128: 213–216
Larkin PJ, Davies PA, Tanner GJ (1988) Nurse culture of low numbers of Medicago and Nicotiana protoplasts using calcium alginate beads. Plant Sci 58: 203–210
Maheswaran G, Williams EG (1986) Clonal propagation of Trifolium pratense, T. resupinatum and T. subterraneum by direct somatic embryogenesis on cultured immature embryos. Plant Cell Rep 3: 165–168
Ochatt SJ, Chand PK, Rech EL, Davey MR, Power JB (1988) Electroporation-mediated improvement of plant regeneration from colt cherry (Prunus avium x pseudocerasus) protoplasts. Plant Sci 54: 165–169
Oelck MM, Bapat VA, Schieder O (1982) Protoplast culture of three legumes: Arachis hypogaea, Melilotus officinalis, Trifolium resupinatum. Z. Pflanzenphysiol 106: 173–177
Parrott WB, Collins GB (1982/1983) Callus and shoot tip culture of eight Trifolium species in vitro with regeneration via somatic embryogenesis. Plant Sci Lett 28: 189–194
Phillips GC, Collins GB (1979) In vitro tissue culture of selected legumes and plant regeneration from callus cultures of red clover. Crop Sci 19: 59–64
Rathore KS, Goldsworthy A (1985a) Electrical control of shoot regeneration in plant tissue cultures. Bio/Technology 3: 1107–1109
Rathore KS, Goldsworthy A (1985b) Electrical control of growth in plant tissue cultures. Bio/Technology 3: 253–254
Rathore KS, Hodges TK, Robinson KR (1988) A refined technique to apply electrical currents to callus cultures. Plant Physiol 88: 515–517
Rech EL, Ochatt SJ, Chand PK, Power JB, Davey MR (1987) Electro-enhancement of division of plant protoplast-derived cells. Protoplasma 141: 169–176
Santos AVPdos, Outka DE, Cocking EC, Davey MR (1980) Organogenesis and somatic embryogenesis in tissues derived from leaf protoplasts and leaf explants of Medicago sativa. Z Pflanzenphysiol 99: 261–270
Webb KJ, Woodcock S, Chamberlain DA (1987) Plant regeneration from protoplasts of Trifolium repens and Lotus corniculatus. Plant Breed 98: 111–118
White DWR, Bhojwani S (1981) Callus formation from Trifolium arvense protoplast-derived cells plated at low densities. Z Pflanzenphysiol 102: 289–298
White DWR (1983) Plant regeneration from mesophyll protoplasts of white clover (Trifolium repens L.). In: Potrykus I, Harms CT, Hinnen A, Hutter R, King PJ, Shillito RD (Eds) 6th International Protoplast Symposium (pp 59–60) Basel
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Zhongyi, L., Tanner, G.J. & Larkin, P.J. Callus regeneration from Trifolium subterraneum protoplasts and enhanced protoplast division by low-voltage treatment and nurse cells. Plant Cell Tiss Organ Cult 21, 67–73 (1990). https://doi.org/10.1007/BF00034494
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00034494