Stomatal opening is induced in epidermal peels of Commelina communis L. by GTP analogs or pertussis toxin

Ho Joung Lee; Edward B. Tucker; Richard C. Crain; Youngsook Lee

doi:10.1104/pp.102.1.95

Stomatal opening is induced in epidermal peels of Commelina communis L. by GTP analogs or pertussis toxin

Ho Joung Lee, Edward B. Tucker, Richard C. Crain, Youngsook Lee

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

Pretreatment with pertussis toxin or microinjection of guanosine-5′-(3-thiotriphosphate) (GTP-γ-S) into guard cells in peeled epidermis of Commelina commuais L. promoted stomatal opening under subsaturating white light. Guanosine-5′-(2-thiodiphosphate) (GDP-β-S) and adenosine-5′-(3-thiotriphosphate) (ATP-γ-S) did not change stomatal aperture under identical conditions. These results indicate that G proteins may be involved in the regulation of stomatal opening.

Original language	English
Pages (from-to)	95-100
Number of pages	6
Journal	Plant physiology
Volume	102
Issue number	1
DOIs	https://doi.org/10.1104/pp.102.1.95
Publication status	Published - 1993 May
Externally published	Yes

ASJC Scopus subject areas

Physiology
Genetics
Plant Science

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abstract = "Pretreatment with pertussis toxin or microinjection of guanosine-5′-(3-thiotriphosphate) (GTP-γ-S) into guard cells in peeled epidermis of Commelina commuais L. promoted stomatal opening under subsaturating white light. Guanosine-5′-(2-thiodiphosphate) (GDP-β-S) and adenosine-5′-(3-thiotriphosphate) (ATP-γ-S) did not change stomatal aperture under identical conditions. These results indicate that G proteins may be involved in the regulation of stomatal opening.",

author = "Lee, {Ho Joung} and Tucker, {Edward B.} and Crain, {Richard C.} and Youngsook Lee",

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AU - Tucker, Edward B.

AU - Crain, Richard C.

AU - Lee, Youngsook

PY - 1993/5

Y1 - 1993/5

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AB - Pretreatment with pertussis toxin or microinjection of guanosine-5′-(3-thiotriphosphate) (GTP-γ-S) into guard cells in peeled epidermis of Commelina commuais L. promoted stomatal opening under subsaturating white light. Guanosine-5′-(2-thiodiphosphate) (GDP-β-S) and adenosine-5′-(3-thiotriphosphate) (ATP-γ-S) did not change stomatal aperture under identical conditions. These results indicate that G proteins may be involved in the regulation of stomatal opening.

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