Agriculture Reference
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Myosin inhibitor BDM constricted
PD in maize roots.
Samaj et al. , 2000
Secondary
messengers
IP 2 and IP 3 inhibited cell-to-cell
transport in Setcreasea purpurea ,
by releasing Ca 2 + from internal
stores into the cytosol via inositol
triphosphate-sensitive channels.
Tucker, 1990; Tucker &
Boss, 1996
Elevated cytosolic Ca 2 + decreased
PD permeability in Egeria densa
leaves.
Group II/ divalent
cations
Erwee & Goodwin, 1983
Elevated Ca 2 + restricts dye
movement in soybean microcallus
cells.
Baron-Epel et al. , 1998
No effect of Ca 2 + on PD
permeability in the green alga
Chara .
Reid & Overall, 1992
Free Ca 2 + injected into cytosol
transiently closed PD of maize
cells increasing electrical
resistance between cells.
Holdaway-Clarke et al. ,
2000
Cytoplasmic increases in other group
II ions, e.g. Mg 2 + and Sr 2 + ,
decrease PD permeability.
Erwee & Goodwin, 1983
High level of cytosolic Ca 2 + stopped
dye movement in Setcreasea
purpurea cells.
Tucker, 1990
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