References

21 Wounding, electrical signals, the cytoskeleton, and gene expression 317
Table 21.1. The first 10 min: early events following heat-wounding a leaf of a tomato plant
Duration (s) Response Effect Reference
< 1 Loss of xylem tension Systemic awareness Davies et al. (1991)
throughout the plant of perturbation
1–3 Mechano-sensing Local awareness Davies (1993),
calcium channels open of perturbation Fisahn et al. (2004)
3–10 Calcium influx Binds to Roberts and
into the cytoplasm calcium-binding Harmon (1992),
proteins on MF Davies et al. (1996)
5–15 Activation “Current” Davies (1993),
of microfilament- of phosphorylation Wang et al. (2004)
linked CDPK along MF
5–15 Phosphorylation Prevents Davies et al. (1996)
(inactivation) cytoplasmic
of myosin streaming
5–15 Phosphorylation Stops translation, Ryazanov et al. (1988),
(inactivation) ribosomes protect Shestakova et al. (1991)
of EF2 host mRNA
5–15 Phosphorylation Makes error-ridden Landick (2004),
(activation) mRNA, goes Hofmann et al. (2004)
of pol2 into cytoplasm
30–120 Mismade RNA Competes with viral Landick (2004)
accumulates RNA for ribosomes
120–500 Ca activation Degrades Larkins and
of RNase unprotected viral Davies (1973)
and mismade RNA
120–500 Disappearance Newly made mRNA Fig. 21.4
of newly-made RNA never translated
3–10 Calcium influx Binds Roberts and
into the cytoplasm to calcium-binding Harmon (1992)
proteins near PM
5–15 Activation of Releases IP3 Heilmann et al. (2001)
phospholipase C from membranes
20–60 IP3 passes from cell Calcium released from Heilmann et al. (2001)
to cell internal stores
30–120 IP3/Ca stimulates Mismade Salinas-Mondragón
RNA synthesis transcripts et al. (2001),
accumulate York et al. (1999)
120–600 Activation Degrades Larkins and
of RNase unprotected viral Davies (1973)
and mismade RNA
120–600 Disappearance Newly made Fig. 21.4
of newly mRNA never
made RNA translated
MF microfilament, CDPK calcium-dependent protein kinase, pol2 RNA polymerase II,
mRNA messenger RNA, PM plasma membrane