Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities

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Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities. / Bosch, Maurice; Poulter, Natalie S.; Vatovec, Sabina; Franklin-Tong, Vernonica E.

In: Molecular Plant, Vol. 1, No. 6, 17.10.2008, p. 879-887.

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Bosch, Maurice ; Poulter, Natalie S. ; Vatovec, Sabina ; Franklin-Tong, Vernonica E. / Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities. In: Molecular Plant. 2008 ; Vol. 1, No. 6. pp. 879-887.

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@article{523f90097742410fb6f1fb2867420c7c,
title = "Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities",
abstract = "Programmed cell death (PCD) is an important and universal process regulating precise death of unwanted cells in eukaryotes. In plants, the existence of PCD has been firmly established for about a decade, and many components shown to be involved in apoptosis/PCD in mammalian systems are found in plant cells undergoing PCD. Here, we review work from our lab demonstrating the involvement of PCD in the self-incompatibility response in Papaver rhoeas pollen. This utilization of PCD as a consequence of a specific pollen–pistil interaction provides a very neat way to destroy unwanted {\textquoteleft}self{\textquoteright}, but not {\textquoteleft}non-self{\textquoteright} pollen. We discuss recent data providing evidence for SI-induced activation of several caspase-like activities and suggest that an acidification of the cytosol may be a key turning point in the activation of caspase-like proteases executing PCD. We also review data showing the involvement of the actin and microtubule cytoskeletons as well as that of a MAPK in signalling to caspase-mediated PCD. Potential links between these various components in signalling to PCD are discussed. Together, this begins to build a picture of PCD in a single cell system, triggered by a receptor–ligand interaction.",
author = "Maurice Bosch and Poulter, {Natalie S.} and Sabina Vatovec and Franklin-Tong, {Vernonica E.}",
note = "Bosch, M., Poultera, N. S., Vatovec, S., Franklin-Tong, V. E. (2008). Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities. Molecular Plant, 1 (8), pp. 879-887",
year = "2008",
month = oct,
day = "17",
doi = "10.1093/mp/ssn053",
language = "English",
volume = "1",
pages = "879--887",
journal = "Molecular Plant",
issn = "1674-2052",
publisher = "Elsevier",
number = "6",

}

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TY - JOUR

T1 - Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities

AU - Bosch, Maurice

AU - Poulter, Natalie S.

AU - Vatovec, Sabina

AU - Franklin-Tong, Vernonica E.

N1 - Bosch, M., Poultera, N. S., Vatovec, S., Franklin-Tong, V. E. (2008). Initiation of programmed cell death in self-incompatibility: role for cytoskeleton modifications and several caspase-like activities. Molecular Plant, 1 (8), pp. 879-887

PY - 2008/10/17

Y1 - 2008/10/17

N2 - Programmed cell death (PCD) is an important and universal process regulating precise death of unwanted cells in eukaryotes. In plants, the existence of PCD has been firmly established for about a decade, and many components shown to be involved in apoptosis/PCD in mammalian systems are found in plant cells undergoing PCD. Here, we review work from our lab demonstrating the involvement of PCD in the self-incompatibility response in Papaver rhoeas pollen. This utilization of PCD as a consequence of a specific pollen–pistil interaction provides a very neat way to destroy unwanted ‘self’, but not ‘non-self’ pollen. We discuss recent data providing evidence for SI-induced activation of several caspase-like activities and suggest that an acidification of the cytosol may be a key turning point in the activation of caspase-like proteases executing PCD. We also review data showing the involvement of the actin and microtubule cytoskeletons as well as that of a MAPK in signalling to caspase-mediated PCD. Potential links between these various components in signalling to PCD are discussed. Together, this begins to build a picture of PCD in a single cell system, triggered by a receptor–ligand interaction.

AB - Programmed cell death (PCD) is an important and universal process regulating precise death of unwanted cells in eukaryotes. In plants, the existence of PCD has been firmly established for about a decade, and many components shown to be involved in apoptosis/PCD in mammalian systems are found in plant cells undergoing PCD. Here, we review work from our lab demonstrating the involvement of PCD in the self-incompatibility response in Papaver rhoeas pollen. This utilization of PCD as a consequence of a specific pollen–pistil interaction provides a very neat way to destroy unwanted ‘self’, but not ‘non-self’ pollen. We discuss recent data providing evidence for SI-induced activation of several caspase-like activities and suggest that an acidification of the cytosol may be a key turning point in the activation of caspase-like proteases executing PCD. We also review data showing the involvement of the actin and microtubule cytoskeletons as well as that of a MAPK in signalling to caspase-mediated PCD. Potential links between these various components in signalling to PCD are discussed. Together, this begins to build a picture of PCD in a single cell system, triggered by a receptor–ligand interaction.

U2 - 10.1093/mp/ssn053

DO - 10.1093/mp/ssn053

M3 - Article

VL - 1

SP - 879

EP - 887

JO - Molecular Plant

JF - Molecular Plant

SN - 1674-2052

IS - 6

ER -

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