PUMA
Istituto di Biofisica     
Lucia S., Cercignani G., Petracchi D. Photosensory transduction in Halobacterium salinarium: evidence for a non-linear network of cross-talking pathways. In: Biochimica et Biophysica Acta-General Subjects, vol. 1334 (1) pp. 5 - 8. Elsevier, 1997.
 
 
Abstract
(English)
Transduction of light stimuli in Halobacterium salinarium is studied by behavioural experiments. Selected patterns of sequential stimuli (impinging on couples of the signalling states of its photoreceptors) show that a simple model integrating different stimuli is inadequate and that non linear interactions between different pathways occur through a network with several connections. The experiments reported herein yield rough but clear-cut information on the level of such interactions and shed new light on earlier findings.
DOI: 10.1016/S0304-4165(96)00109-2
Subject Archaebacterium
Rhodopsin
Photosensory transduction
Composite photostimulus
Suppression effect
Facilitation effect
Halobacterium salinarium


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