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Garcia-Herdugo G, González-Reyes JA, Gracia-Navarro F, et al. Growth kinetics of the Golgi apparatus during the cell cycle in onion root meristems. Planta. 1988;175(3):305-12doi: 10.1007/BF00396335.
Garcia-Herdugo, G., González-Reyes, J. A., Gracia-Navarro, F., & Navas, P. (1988). Growth kinetics of the Golgi apparatus during the cell cycle in onion root meristems. Planta, 175(3), 305-12. https://doi.org/10.1007/BF00396335
Garcia-Herdugo, G, et al. "Growth kinetics of the Golgi apparatus during the cell cycle in onion root meristems." Planta vol. 175,3 (1988): 305-12. doi: https://doi.org/10.1007/BF00396335
Garcia-Herdugo G, González-Reyes JA, Gracia-Navarro F, Navas P. Growth kinetics of the Golgi apparatus during the cell cycle in onion root meristems. Planta. 1988 Sep;175(3):305-12. doi: 10.1007/BF00396335. PMID: 24221867.
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Planta. 1988 Sep;175(3):305-12. doi: 10.1007/BF00396335.

Growth kinetics of the Golgi apparatus during the cell cycle in onion root meristems.

Planta

G Garcia-Herdugo, J A González-Reyes, F Gracia-Navarro, P Navas

Affiliations

  1. Departamento de Biologia Celular, Facultad de Biologia, Universidad de Sevilla, Sevilla, Spain.

PMID: 24221867 DOI: 10.1007/BF00396335

Abstract

In onion root meristems, the number of dictyosomes per cell shows a kinetics of growth strongly related to the cell cycle. During the interphase of steady-state proliferative cells, the volume density and numerical density of the Golgi apparatus decrease to reach minimum values in late-interphase cells, characterized by their greatest length. This pattern is also found in the total volume occupied by Golgi apparatus. Once in mitosis, the above-mentioned parameters begin to increase reaching maximum mean values in telophase. After the experimental uncoupling of chromosome and growth cycles by presynchronization with hydroxyurea, we found a similar behaviour pattern in the Golgi apparatus: decreasing values during interphase and a triggering of Golgi-apparatus growth in prophase independently of the bigger cell sizes reached in mitosis as an effect of pretreatment with hydroxyurea. These results indicate a cyclic kinetics of this subcellular component in higher-plant meristems, coupled with early mitotic events.

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