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Keywords: Chemoreceptor
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Journal Articles
J Exp Biol (2016) 219 (7): 933–936.
Published: 01 April 2016
... kg −1 ) in alligators. Doxapram is used clinically to alleviate ventilatory depression in response to anaesthesia and acts primarily on the peripheral oxygen-sensitive chemoreceptors. Using this approach, we investigated the hypothesis that pulmonary ventilation is relatively modest in comparison...
Journal Articles
J Exp Biol (2015) 218 (23): 3746–3753.
Published: 01 December 2015
... of endogenous NO production using l -NAME suppressed the hypoventilatory response to hyperoxia, supporting an inhibitory role of NO in adult zebrafish. Neuroepithelial cells (NECs), the putative oxygen chemoreceptors of fish, contain neuronal nitric oxide synthase (nNOS). In zebrafish larvae at 4 days post...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (19): 2987–2990.
Published: 01 October 2015
..., and by morphological changes at the chemoreceptor level. Mangrove rivulus ( Kryptolebias marmoratus ) were exposed to 1 week of normocapnic control water (pH 8), air, hypercapnia (5% CO 2 , pH 6.8) or isocapnic acidosis (pH 6.8). We found that the density of CO 2 /H + chemoreceptive neuroepithelial cells (NECs...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (11): 1777–1786.
Published: 01 June 2015
... rise to air breathing in vertebrates. The neural substrate of this behaviour, however, is not defined. We characterized ASR in developing and adult zebrafish ( Danio rerio ) to ascertain a potential role for peripheral chemoreceptors in initiation or modulation of this response. Adult zebrafish exposed...
Journal Articles
J Exp Biol (2013) 216 (5): 869–880.
Published: 01 March 2013
.... * Author for correspondence ( mjonz@uottawa.ca ) 30 8 2012 6 11 2012 © 2013. Published by The Company of Biologists Ltd 2013 5-HT ACh hypoxia zebrafish chemoreceptor NEC Respiratory chemoreceptors are specialized cells that detect changes in the partial pressure...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (22): 3881–3894.
Published: 15 November 2012
...Maria L. Coccimiglio; Michael G. Jonz SUMMARY In teleost fish, O 2 chemoreceptors of the gills (neuroepithelial cells or NECs) initiate cardiorespiratory reflexes during hypoxia. In developing zebrafish, hyperventilatory and behavioural responses to hypoxia are observed before development of gill...
Journal Articles
J Exp Biol (2012) 215 (7): 1084–1089.
Published: 01 April 2012
... conclusion is that the ribbed hairs are chemoreceptors, not spigots. Observations of live tarantulas clinging inverted to glass coverslips confirmed that some substance is produced by the ribbed hairs, but it remains unclear whether this secretion is actually silk. In any case, the thousands of adhesive...
Journal Articles
J Exp Biol (2008) 211 (4): 599–605.
Published: 15 February 2008
... predator, Thalassoma bifasciatum ,suggesting that zebrafish can recognize deterrent compounds relevant to coral reef systems. Transcripts made from a zebrafish cDNA library were expressed in a heterologous system, Xenopus laevis oocytes, and tested for chemoreceptor activation via electrophysiology, using...
Journal Articles
J Exp Biol (2005) 208 (15): 2865–2872.
Published: 01 August 2005
...Meg E. Johnson; Jelle Atema SUMMARY Individual recognition in the lobster Homarus americanus (Milne-Edwards), is based on detection of urine pheromones via chemoreceptors of the lateral antennular flagellum. The specific sensory pathway mediating this recognition is not known. Most...
Journal Articles
J Exp Biol (2003) 206 (5): 867–876.
Published: 01 March 2003
...L. Sundin; J. Turesson; E. W. Taylor SUMMARY Glutamate is a major neurotransmitter of chemoreceptor and baroreceptor afferent pathways in mammals and therefore plays a central role in the development of cardiorespiratory reflexes. In fish, the gills are the major sites of these receptors...
Journal Articles
J Exp Biol (2002) 205 (21): 3357–3365.
Published: 01 November 2002
...Steve F. Perry; Stephen G. Reid SUMMARY Experiments were performed to test the hypothesis that the marked ventilatory and cardiovascular responses to hypercarbia in rainbow trout Oncorhynchus mykiss arise from specific stimulation of chemoreceptors localised to the first gill arch...
Journal Articles
J Exp Biol (2002) 205 (12): 1765–1774.
Published: 15 June 2002
... to examine other sites of putative O 2 -sensitive receptors that could be involved in this reflex action. Superfusion of the exposed brain of decerebrate, spinalectomized fish did not reveal the presence of central chemoreceptors responsive to hyperoxic, hypoxic, hypercarbic,acidic or alkaline solutions...
Journal Articles
J Exp Biol (1992) 168 (1): 269–287.
Published: 01 July 1992
... 1992 by Company of Biologists 1992 maxillary palp taste chemoreceptor locust Locusta migratoria feeding J. exp. Biol. 168, 269-287 (1992) 2 6 9 Printed in Great Britain © The Company of Biologists Limited 1992 MECHANISMS CONTROLLING MODULATION BY HAEMOLYMPH AMINO ACIDS OF GUSTATORY...