Protein Synthesis during Endogenous Rhythmic Leaflet Movement in Albizzia

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Protein Synthesis during Endogenous Rhythmic Leaflet Movement in Albizzia

A rhythm was found in protein synthesis accompanying rhythmic leaflet opening and closing in the dark in the plant Albizzia. More protein was synthesized during the opening of the leaflets than during the closing. Furthermore, an inhibitor of protein synthesis, cycloheximide, prevented rhythmic opening of leaflets but had no effect on rhythmic closing. It is suggested that protein synthesis is ...

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Phytochrome-controlled Nyctinasty in Albizzia julibrissin: IV. Auxin Effects on Leaflet Movement and K Flux.

Indole-3-acetic acid, alpha-naphthylacetic acid, and 2,4-dichlorophenoxyacetic acid (0.001 to 1.0 mm) inhibit the nyctinastic closure of excised Albizzia leaflet pairs; antiauxins and auxin analogs are ineffective, and the auxin effects seem not to be mediated by ethylene. Indoleacetic acid (0.001 to 0.1 mm) also promotes rhythmic opening in the dark, but is ineffective during that phase of rhy...

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Chronobiology of Aging in Albizzia julibrissin: I. An Automated, Computerized System for Monitoring Leaflet Movement; The Rhythm in Constant Darkness.

We are using leaflet movements in Albizzia julibrissin as a model system for investigating the chronobiology of aging. To monitor leaflet movements during long dark periods with adequate temporal and spatial resolution, we designed an automated, computerized photoelectric monitoring system. Each of 12 leaflet pairs was positioned in an individual light-proof container, with one leaflet immobili...

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ژورنال

عنوان ژورنال: Journal of General Physiology

سال: 1973

ISSN: 1540-7748,0022-1295

DOI: 10.1085/jgp.62.6.707