Plant mitochondrial pathway leading to programmed cell death
Identifieur interne : 002376 ( Main/Exploration ); précédent : 002375; suivant : 002377Plant mitochondrial pathway leading to programmed cell death
Auteurs : Angelo Vianello [Italie] ; Marco Zancani [Italie] ; Carlo Peresson [Italie] ; Elisa Petrussa [Italie] ; Valentino Casolo [Italie] ; Jana Kraj Ková [Italie] ; Sonia Patui [Italie] ; Enrico Braidot [Italie] ; Francesco Macrì [Italie]Source :
- Physiologia Plantarum [ 0031-9317 ] ; 2007-01.
Abstract
Programmed cell death (PCD) is a finely tuned process of multicellular organisms. In higher plants, PCD regulates many developmental processes and the response of host plants to incompatible pathogens (hypersensitive response). Four types of PCD have been described in plants, mainly associated to vacuole rupture, that is followed by the appearance of the typical PCD hallmarks (i.e. nuclear DNA fragmentation and cell shrinkage). However, in some cases vacuole collapse is preceded by an early alteration of other subcellular organelles, such as mitochondria. In particular, the central role played by mitochondria in PCD has been largely recognised in animal cells. This review deals with the involvement of mitochondria in the manifestation of plant PCD, in comparison to that described in animal PCD. The main hallmark, connecting animal and plant PCD via mitochondria, is represented by the release of cytochrome c and possibly other chemicals such as nucleases, which may be accomplished by different mechanisms, involving both swelling and non‐swelling of the organelles.
Url:
DOI: 10.1111/j.1399-3054.2006.00767.x
Affiliations:
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type="istex">D98B197E5F425FE205AC1A5177114F782068B63D</idno><idno type="DOI">10.1111/j.1399-3054.2006.00767.x</idno><idno type="ArticleID">PPL767</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0031-9317</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Programmed cell death (PCD) is a finely tuned process of multicellular organisms. In higher plants, PCD regulates many developmental processes and the response of host plants to incompatible pathogens (hypersensitive response). Four types of PCD have been described in plants, mainly associated to vacuole rupture, that is followed by the appearance of the typical PCD hallmarks (i.e. nuclear DNA fragmentation and cell shrinkage). However, in some cases vacuole collapse is preceded by an early alteration of other subcellular organelles, such as mitochondria. In particular, the central role played by mitochondria in PCD has been largely recognised in animal cells. This review deals with the involvement of mitochondria in the manifestation of plant PCD, in comparison to that described in animal PCD. The main hallmark, connecting animal and plant PCD via mitochondria, is represented by the release of cytochrome c and possibly other chemicals such as nucleases, which may be accomplished by different mechanisms, involving both swelling and non‐swelling of the organelles.</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Vianello, Angelo" sort="Vianello, Angelo" uniqKey="Vianello A" first="Angelo" last="Vianello">Angelo Vianello</name></noRegion><name sortKey="Braidot, Enrico" sort="Braidot, Enrico" uniqKey="Braidot E" first="Enrico" last="Braidot">Enrico Braidot</name><name sortKey="Casolo, Valentino" sort="Casolo, Valentino" uniqKey="Casolo V" first="Valentino" last="Casolo">Valentino Casolo</name><name sortKey="Kraj Kova, Jana" sort="Kraj Kova, Jana" uniqKey="Kraj Kova J" first="Jana" last="Kraj Ková">Jana Kraj Ková</name><name sortKey="Macri, Francesco" sort="Macri, Francesco" uniqKey="Macri F" first="Francesco" last="Macrì">Francesco Macrì</name><name sortKey="Patui, Sonia" sort="Patui, Sonia" uniqKey="Patui S" first="Sonia" last="Patui">Sonia Patui</name><name sortKey="Peresson, Carlo" sort="Peresson, Carlo" uniqKey="Peresson C" first="Carlo" last="Peresson">Carlo Peresson</name><name sortKey="Petrussa, Elisa" sort="Petrussa, Elisa" uniqKey="Petrussa E" first="Elisa" last="Petrussa">Elisa Petrussa</name><name sortKey="Zancani, Marco" sort="Zancani, Marco" uniqKey="Zancani M" first="Marco" last="Zancani">Marco Zancani</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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