Article,

Osmotic stress induces inactivation of photosynthesis in guard cell protoplasts of leaves

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Plant and Cell Physiology, 42 (10): 1186-1191 (2001)484lw Times Cited:6 Cited References Count:21.
DOI: DOI 10.1093/pcp/pce149

Abstract

Guard cell protoplasts isolated from Vicia leaves showed a strong suppression of the photosynthesis under hypotonic conditions, as reflected by changes in the chlorophyll fluorescence characteristics. The response was reversible as well. Mesophyll cell protoplasts did not show any lowering of photosynthetic activity under hypo-osmotic conditions. This result indicates that the response was guard cell specific.

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