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| Content Provider | Springer Nature Link |
|---|---|
| Author | Malerba, M. Cerana, R. Crosti, P. |
| Copyright Year | 2004 |
| Abstract | Programmed cell death occurs in plants during several developmental processes and during the expression of resistance to pathogen attack (i.e., the hypersensitive response). An unsolved question of plant programmed cell death is whether a unique signaling pathway or different, possibly convergent pathways exist. This problem was addressed in cultured sycamore (Acer pseudoplatanus L.) cells by comparing the effects of fusicoccin, Tunicamycin and Brefeldin A, inducers of programmed cell death with well-defined molecular and cellular targets, on some of the parameters involved in the regulation of this process. In addition to cell death, the inducers are able to stimulate the production of H2O2, the leakage of cytochrome c from mitochondria, the accumulation of cytosolic 14-3-3 proteins, and changes at the endoplasmic reticulum level, such as accumulation of the molecular chaperone binding protein and modifications in the organelle architecture. Interestingly, no additive effect on any of these parameters is observed when fusicoccin is administered in combination with Tunicamycin or Brefeldin A. Thus, these inducers seem to utilize the same or largely coincident pathways to induce programmed cell death and involvement of the endoplasmic reticulum, in addition to that of mitochondria, appears to be a common step. |
| Starting Page | 61 |
| Ending Page | 70 |
| Page Count | 10 |
| File Format | |
| ISSN | 0033183X |
| Journal | Protoplasma |
| Volume Number | 224 |
| Issue Number | 1-2 |
| e-ISSN | 16156102 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2004-10-04 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Plant Science Medicine |
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