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Abstract:

The role of short-chain fatty acids in the host-seeking behaviour of Triatoma infestans larvae was investigated using a locomotion compensator. Several short-chain fatty acids were tested alone over a wide range of doses, or in combination with L-lactic acid (L-LA; 100 μg). Bugs showed no attractive response to single carboxylic acids, but when L-LA was added to airstreams carrying specific intensities of either propionic (C3; 100 μg), butyric (C4; 1 μg) or valeric acid (C5; 1 μg), these mixtures elicited an attractive response, evincing a synergistic effect. No orientation response was observed when caproic acid (C6) was offered with L-LA at the doses tested. Two blends were created: (1) C3, C4 and C5 combined at the effective doses when added with L-LA [C3C4C5 (1)], and (2) C3, C4 and C5 combined at a third of those intensities [C3C4C5 (2)]. Both blends were tested alone, with L-LA (100 μg), with a sub-threshold concentration of CO2 (300 p.p.m. above the ambient level), and combined with both compounds together. Oriented responses of bugs were only observed with the blend (2) added with L-LA and with the combination of this lure with CO2. This last combination evoked a behavioural response similar in intensity to that induced by a live mouse. © Oxford University Press 2004; all rights reserved.

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Documento: Artículo
Título:Orientation behaviour of the blood-sucking bug Triatoma infestans to short-chain fatty acids: Synergistic effect of L-lactic acid and carbon dioxide
Autor:Barrozo, R.B.; Lazzari, C.R.
Filiación:Departamento Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EHA, Buenos Aires, Argentina
Institut de Recherche sur la Biologie de l'Insecte, UMR-CNRS 6035, Université François Rabelais, Avenue Monge, Parc Grandmont, 37200 Tours, France
Palabras clave:Carbon dioxide; Host orientation; L-lactic acid; Short-chain fatty acids; Synergism; Triatoma infestans; butyric acid; carbon dioxide; carboxylic acid derivative; chemical compound; hexanoic acid; lactic acid; propionic acid; short chain fatty acid; valeric acid; carbon dioxide; lactic acid; volatile fatty acid; animal behavior; animal experiment; article; chemical interaction; concentration response; controlled study; larva; mouse; nonhuman; orienting response; priority journal; stimulation; stimulus response; Triatoma infestans; animal; drug effect; drug potentiation; locomotion; orientation; physiology; Triatoma; Triatoma infestans; Animals; Behavior, Animal; Carbon Dioxide; Drug Synergism; Fatty Acids, Volatile; Lactic Acid; Larva; Locomotion; Mice; Orientation; Stimulation, Chemical; Triatoma
Año:2004
Volumen:29
Número:9
Página de inicio:833
Página de fin:841
DOI: http://dx.doi.org/10.1093/chemse/bjh249
Título revista:Chemical Senses
Título revista abreviado:Chem. Senses
ISSN:0379864X
CODEN:CHSED
CAS:butyric acid, 107-92-6, 156-54-7, 461-55-2; carbon dioxide, 124-38-9, 58561-67-4; hexanoic acid, 142-62-1, 151-33-7; lactic acid, 113-21-3, 50-21-5; propionic acid, 72-03-7, 79-09-4; valeric acid, 10023-74-2, 109-52-4; Carbon Dioxide, 124-38-9; Fatty Acids, Volatile; Lactic Acid, 50-21-5
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_0379864X_v29_n9_p833_Barrozo.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0379864X_v29_n9_p833_Barrozo

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Citas:

---------- APA ----------
Barrozo, R.B. & Lazzari, C.R. (2004) . Orientation behaviour of the blood-sucking bug Triatoma infestans to short-chain fatty acids: Synergistic effect of L-lactic acid and carbon dioxide. Chemical Senses, 29(9), 833-841.
http://dx.doi.org/10.1093/chemse/bjh249
---------- CHICAGO ----------
Barrozo, R.B., Lazzari, C.R. "Orientation behaviour of the blood-sucking bug Triatoma infestans to short-chain fatty acids: Synergistic effect of L-lactic acid and carbon dioxide" . Chemical Senses 29, no. 9 (2004) : 833-841.
http://dx.doi.org/10.1093/chemse/bjh249
---------- MLA ----------
Barrozo, R.B., Lazzari, C.R. "Orientation behaviour of the blood-sucking bug Triatoma infestans to short-chain fatty acids: Synergistic effect of L-lactic acid and carbon dioxide" . Chemical Senses, vol. 29, no. 9, 2004, pp. 833-841.
http://dx.doi.org/10.1093/chemse/bjh249
---------- VANCOUVER ----------
Barrozo, R.B., Lazzari, C.R. Orientation behaviour of the blood-sucking bug Triatoma infestans to short-chain fatty acids: Synergistic effect of L-lactic acid and carbon dioxide. Chem. Senses. 2004;29(9):833-841.
http://dx.doi.org/10.1093/chemse/bjh249