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Keywords: cyclic AMP
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Journal Articles
J Exp Biol (2017) 220 (10): 1830–1836.
Published: 15 May 2017
... antagonist, attenuated the inhibition induced by octopamine on the oviducts and the bursa. Octopamine also increased the levels of cAMP in the oviducts, and this effect was blocked by phentolamine. Dibutyryl cyclic AMP mimicked the effects of octopamine by reducing the frequency of bursal contractions...
Journal Articles
J Exp Biol (2014) 217 (1): 119–128.
Published: 01 January 2014
... the experiment(s); S.T. and G.O. designed and executed the experiment(s) and revised the article. Competing interests The authors declare no competing financial interests. © 2014. Published by The Company of Biologists Ltd 2014 Cyclic AMP Cyclic GMP Calcium Stress D. melanogaster...
Journal Articles
J Exp Biol (2012) 215 (15): 2646–2652.
Published: 01 August 2012
... ; chu@zju.edu.cn ) 1 12 2011 4 4 2012 © 2012. 2012 biogenic amine cyclic AMP antagonist locomotion insecticide The forward primer CSOA2B2-compF (5′-AAGCGAAGCGTGCGAGAT-3′), located upstream of the putative start codon initiator, and the reverse primer CSOA2B2-compR (5...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (5): 842–852.
Published: 01 March 2010
... stimulation protocol (stimulus duration: 50 ms) in intervals of 5 min for 180 min of the recording duration. insect olfaction pheromone transduction cyclic AMP octopamine time-dependent differences The second messenger 3′,5′-cyclic adenosine monophosphate (cAMP) is involved in both...
Includes: Supplementary data
Journal Articles
J Exp Biol (2003) 206 (9): 1589–1598.
Published: 01 May 2003
...Tomás Gómez; Virtudes Medina; Cristina M. Ramírez; Rosa Dópido; Antonio Lorenzo; Mario Díaz SUMMARY The regulation of neutral amino acid transport by cyclic AMP (cAMP) and calcium across the isolated duodenum of the lizard Gallotia galloti has been studied under short-circuit conditions...
Journal Articles
J Exp Biol (2003) 206 (5): 893–899.
Published: 01 March 2003
... signalling pathways may now need to be investigated. * Author for correspondence (e-mail: m.r.elphick@qmul.ac.uk ) 6 12 2002 © The Company of Biologists Limited 2003 2003 cardiac stomach tube feet apical muscle cyclic GMP cyclic AMP soluble guanylyl cyclase adenylyl cyclase...
Journal Articles
J Exp Biol (2003) 206 (3): 619–626.
Published: 01 February 2003
... maintained part of the elevated V te induced by hyposmotic saline, suggesting that an increased cellular cyclic AMP level is involved in the response to reduced osmolarity. In summary, the results indicate that the hemolymph osmolarity regulates active transbranchial NaCl absorption by modulating...
Journal Articles
J Exp Biol (2002) 205 (24): 3799–3807.
Published: 15 December 2002
... was mediated by cyclic AMP in principal cells only: there was no effect on the levels of either cyclic GMP or intracellular calcium. Stimulation also elevated levels of cyclic AMP (but not cyclic GMP) phosphodiesterase, a new mode of action for this class of hormone. The transcript was localised by in situ...
Journal Articles
J Exp Biol (2002) 205 (20): 3251–3260.
Published: 15 October 2002
... of SW crabs. * Author for correspondence (e-mail: h.taylor@zool.canterbury.ac.nz ) 11 7 2002 © The Company of Biologists Limited 2002 2002 Gecarcoidea natalis land crab osmoregulation chloride reabsorption excretion dopamine cyclic AMP gill Although crabs...
Journal Articles
J Exp Biol (2002) 205 (17): 2705–2713.
Published: 01 September 2002
...-giessen.de ) 29 5 2002 © The Company of Biologists Limited 2002 2002 leech Hirudo medicinalis Na + transport invertebrate amiloride cyclic AMP ATP adenosine UTP Fresh water represents a hypo-osmotic environment to the leech, in which it has to cope with the loss of salts...
Journal Articles
J Exp Biol (2002) 205 (13): 1889–1897.
Published: 01 July 2002
... that the CaSR stimulates Ca 2+ -mediated constriction of the rectal gland artery and diminishes cyclic AMP-mediated salt secretion in rectal gland tubules during non-feeding conditions. When the shark ingests sea water and fish, an increase in blood and interstitial fluid ionic strength inhibits the activity...
Journal Articles
J Exp Biol (2002) 205 (4): 493–501.
Published: 15 February 2002
... respectively. However, no synergistic or additive effect was observed when these two peptides were tested simultaneously. We then investigated antagonism between second messengers: dose–response curves were constructed for stimulation of Tenebrio molitor tubules by cyclic AMP and their inhibition by cyclic GMP...
Journal Articles
J Exp Biol (2001) 204 (11): 2011–2020.
Published: 01 June 2001
... (CSCCs) control and trigger nematocyst discharge. Previous findings have implicated cyclic AMP (cAMP) as a second messenger in NANA-sensitized nematocyst discharge. However, no reports have directly demonstrated that the cAMP content of tentacles changes in response to NANA stimulation. We now show...
Journal Articles
J Exp Biol (1992) 162 (1): 331–338.
Published: 01 January 1992
... 60% of the maximum response achievable with extracts of corpora cardiaca and increased the production of cyclic AMP. In combination with 10 −4 mol l −1 3-isobutyl-l-methyl xanthine (IBMX), Manduca -DH stimulated maximal secretion. A number of CRF-related peptides also stimulated fluid secretion...
Journal Articles
J Exp Biol (1991) 161 (1): 423–438.
Published: 01 November 1991
...MATTHEW D. WHIM; PETER D. EVANS The role of cyclic AMP in the octopaminergic modulation of the dorsal longitudinal flight muscles of the locust Schistocerca gregaria has been investigated. Several techniques have been used to elevate cyclic AMP levels in this tissue by mechanisms that bypass...
Journal Articles
J Exp Biol (1991) 155 (1): 455–467.
Published: 01 January 1991
.... The alkalization of the lumen previously reported when cyclic AMP was added to short-circuited locust hindgut is a result of this phenomenon rather than cyclic-AMP-mediated stimulation of acid-base transport in the hindgut. When salt bridges are used to pass short-circuit current across locust hindgut, acid...
Journal Articles
J Exp Biol (1990) 150 (1): 81–93.
Published: 01 May 1990
... in pHi (DMO: 7.56±0.05, N =5; 31 P-NMR: 7.57±0.02, N =5). In resting ABRM serotonin (≥10 −6 moll −1 ) also induced an alkalosis. It was shown that cyclic AMP, the second messenger of serotonin, elicited an increase of pHi. Dopamine (10 −5 moll −1 ) did not cause an increase in either cyclic AMP levels...
Journal Articles
J Exp Biol (1989) 142 (1): 115–124.
Published: 01 March 1989
... concentration of cyclic AMP. The threshold concentration of D,L-octopamine for the reduction in electrical excitability was between 1 and 5×10 −7 moll −1 , and maximal effects of a 40–50% reduction in AP overshoot and duration were apparent at 10 −4 moll −1 . At concentrations above 10 −5 moll −1 , a small...
Journal Articles
J Exp Biol (1983) 102 (1): 199–210.
Published: 01 January 1983
...MICHAEL G. WOLFERSBERGER; KATHLEEN M. GIANGIACOMO 1. Adenosine 3′:5′-cyclic monophosphate (cyclic AMP), Antibiotic A23187, caffeine, cholera toxin, dibutyryladenosine 3′:5′-cyclic monophosphate (dbcAMP), 5-hydroxytryptamine (5-HT), larval blood, and theophylline were tested for their effects...