Ultrastructure of the endosperm haustorium in Trifolium pratense L.

• Autorzy: Bakar H. N. , Algan G.
• Języki publikacji: EN

Abstrakty

EN

The behavior and ultrastructure of the endosperm haustorium was studied in the natural tetraploid Trifolium pratense L. (Leguminosae). The lower portion of the endosperm generally remains free-nuclear and functions as an aggressive haustorium. The haustorium contains dense cytoplasm with many free nuclei, which usually aggregate in groups of 2-4. The haustorium presumably transports metabolites from the adjacent tissues to the developing endosperm proper. It is functional up to the late heart-shaped stage of embryo development.

Słowa kluczowe

EN

behaviour; plasma membrane; endosperm haustorium; mitochondrion; Trifolium pratense; haustorial cell; embryogenesis; Leguminosae; cytoplasm; embryo; ultrastructure

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 1998
• Tom: 40
• Opis fizyczny: p.15-19,fig.

Twórcy

autor

Bakar H. N.

• University of Ankara, Tandogan, Ankara, Turkey 06100

autor

Algan G.

Bibliografia

• Algan, G., and H. N. Bakar. 1996. Light and electron microscopic examination of the embryo and endosperm development in the natural tetraploid Trifolium pratense L. Israel Journal of Plant Sciences 44: 273-288.
• Bhatnagar, S. P., and V. Sawhney. 1981. Endosperm - its morphology, ultrastructure, and histochemistry. International Review of Cytology 73: 55-102.
• Czapik, R. 1986. Mono- and bisporic embryo sac in Dryas octopetala L. (Rosaceae). Acta Biológica Cracoviensia Series Botanica 28: 31-38.
• Czapik, R. 1987. Embryo sac haustorium in Dryas octopetala L. (Rosaceae). Acta Societatis Botanicorum Poloniae 56: 209-214.
• Dute, R. R., C. M. Peterson, and A. E. Rushing. 1989. Ultrastructural changes of the egg apparatus associated with fertilization and proembryo development of soybean, Glycine max (Fabaceae). Annals of Botany 64: 123-135.
• Elçi, Ş. 1982. The utilization of genetic resource in fodder crop breeding. Eucarpia. Fodder Crop Section, 13-16 September, Aberystwyth, U.K.
• Folsom, M. W., and D. D. Cass. 1986. Changes in transfer cell distribution in the ovule of soybean after fertilization. Canadian Journal of Botany 64: 965-972.
• Johri, B. M., and S. Garg. 1959. Development of endosperm haustoria in some Leguminosae. Phytomorphology 9:34-46.
• Kaplan, D. R. 1969. Seed development in Downingia. Phytomorphology 19: 253-278.
• Luft, J. H, 1961. Improvements in epoxy resin embedding methods. Journal of Biophysics and Cytology 9: 409-414.
• Maheshwari, P. 1950. An introduction to the embryology of angiosperms. McGraw Hill Book Co., New York.
• Marinos, N. G. 1970. Embryogenesis of the pea (Pisum sativum) 1. The cytological environment of the developing embryo. Protoplasma 70: 261-279.
• Mohan-Ram, H. Y., and M. Wadhi. 1964. Endosperm in Acanthaceae. Phytomorphology 13: 82-91.
• Poddubnaya-Arnoldi, V. A. 1976. Tsitoembriologiya pokrytosyemyennykh rasteniy. Nauka, Moskva.
• Poddubnaya-Arnoldi, V. A. 1982. Kharaktyeristika syemyeystv pokrytosyemyennykh rastyeniy potsitoembriologicheskim priznakem. Nauka, Moskva.
• Sangduen, N., G. L. Kreitner, and E. L. Sorensen. 1983. Light and electron microscopy of embryo development in perennial and annual Medicago species. Canadian Journal of Botany 61: 837-849.
• Sato, J. E. 1967. A modified method for lead staining of thin sections. Journal of Electron Microscopy 16: 133.
• Stempak, J. G., and R. T. Ward. 1964. An improved staining method for electron microscopy. Journal of Cell Biology 22: 697.
• Subramanyam, K. 1960. Nutritional mechanism of the seed 2. Nutritional mechanism of the embryo. Journal of Mades University Section B30: 45-56.
• Torosian, C. D. 1971. Ultrastructural study of endosperm haustorial cells of Lobelia dunnii Greene (Campanulaceae, Lobelioideae). American Journal of Botany 58: 456-657.
• Vijayaraghavan, M. R., and S. Ratnaparkhi. 1972. Some aspects of embryology of Alectra thomsonii. Phytomorphology 22: 1-8.