EFFECT OF CAFFEINE ON CYTOSOLIC CA2-AXILLIFORMIS( LEVEL AND CYTOPLASMIC STREAMING IN NITELLA)

Authors
KATOH K KIKUYAMA M
Citation
K. Katoh et M. Kikuyama, EFFECT OF CAFFEINE ON CYTOSOLIC CA2-AXILLIFORMIS( LEVEL AND CYTOPLASMIC STREAMING IN NITELLA), Protoplasma, 190(3-4), 1996, pp. 164-171
Citations number
29
Categorie Soggetti
Cell Biology
Journal title
Protoplasma → ACNP
ISSN journal
0033183X
Volume
190
Issue
3-4
Year of publication
1996
Pages
164 - 171
Database
ISI
SICI code
0033-183X(1996)190:3-4<164:EOCOCC>2.0.ZU;2-H
Abstract
The effect of caffeine on cytosolic Ca2+ level and rate of cytoplasmic streaming was studied in Nitella. External application of caffeine in duced both a transient rise in cytosolic Ca2+ level and a decline in t he rate of cytoplasmic streaming of Nitella. When EGTA-injected cells were bathed in EGTA-containing medium, external application of caffein e inhibited cytoplasmic streaming but induced no transient rise in cyt osolic Ca2+ level. These results suggest that the inhibitory effect of caffeine on cytoplasmic streaming is independent of cytosolic Ca2+ le vel.