作者
Janneke Balk, Christopher J Leaver, Paul F McCabe
发表日期
1999/12/10
期刊
FEBS letters
卷号
463
期号
1-2
页码范围
151-154
出版商
No longer published by Elsevier
简介
In mammals mitochondria play a critical role in the activation of programmed cell death (PCD). One mechanism by which mitochondria can commit a cell to death is by translocating cytochrome c into the cytosol where it activates cell death caspases. However, release of cytochrome c does not appear to be a feature of caspase activation in nematodes or insects, similarly, there is no evidence for cytochrome c release during the caspase-independent PCD that can occur in Dictyostelium cells. In an attempt to understand the underlying regulation of PCD in plants we investigated if mitochondrial components were released into the cytosol when plant cells are induced to undergo PCD. PCD was triggered in cucumber cotyledons by subjecting them to a short 55°C heat treatment. This heat treatment has previously been shown to trigger PCD in other plant species and cell death was confirmed in cucumber using …
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J Balk, CJ Leaver, PF McCabe - FEBS letters, 1999