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Keywords: amino acid
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Journal Articles
J Exp Biol (2023) 226 (20): jeb245375.
Published: 16 October 2023
...Robert A. Griffin; Chris N. Glover; Jenelle D. McCuaig; Tamzin A. Blewett ABSTRACT Dissolved organic matter is a ubiquitous component of freshwater and marine environments, and includes small nutrient molecules, such as amino acids, which may be available for uptake by aquatic biota. Epithelial...
Journal Articles
J Exp Biol (2022) 225 (20): jeb244737.
Published: 24 October 2022
... that microvillous neurons contributed the most to the detection of amino acids, as in other fishes. Conversely, we found that ciliated neurons contributed the most to the detection of conjugated steroids, known as pheromone candidates. We also found that V2Rs, the major receptor type in microvillous neurons...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (6): jeb238485.
Published: 26 March 2021
... to elevated P CO 2 or the consequent reduction in seawater pH and, if the former, the possible involvement of carbonic anhydrase, the enzyme responsible for the hydration of CO 2 and production of carbonic acid. Olfactory sensitivity to amino acids was assessed by extracellular multi-unit recording from...
Journal Articles
Journal Articles
J Exp Biol (2018) 221 (4): jeb161489.
Published: 19 February 2018
... show differences in amino acids and biogenic amines. We took newly emerged bees and fed them with Nosema ceranae . At approximate nurse and forager ages, we employed an odor-associative conditioning assay using the proboscis extension reflex and two bioanalytical techniques to measure changes in brain...
Includes: Supplementary data
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Journal Articles
J Exp Biol (2010) 213 (20): 3449–3456.
Published: 15 October 2010
...) that comprise their olfactory organs. We also calculated the olfactory thresholds and relative effectiveness of amino acid odorants for each species. The olfactory organs varied in both the number of lamellae and lamellar surface area, which may be related to their general habitat, but neither correlated...
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J Exp Biol (2009) 212 (8): 1092–1100.
Published: 15 April 2009
... attractant by bioassay-guided fractionation and high-performance liquid chromatography, and chemically identified it as the free-amino acid l -tryptophan ( l -Trp). In the present study, levels of this ecologically meaningful compound were quantified in various abalone tissues, and in freshly spawned eggs...
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Journal Articles
J Exp Biol (2007) 210 (11): 1971–1985.
Published: 1 June 2007
... be met through the upregulation of intermediary metabolism. Arctic char intermediary metabolism was monitored during the initial 96 h of seawater acclimation through measurement of key enzymes in gill, liver, red and white muscle as well as tissue and blood free amino acid (FAA) levels, and plasma...
Journal Articles
J Exp Biol (2007) 210 (10): 1768–1775.
Published: 15 May 2007
.... The free amino acid,arginine, is abundant in fluids emitted by injured worms. Here, we demonstrate that arginine is a natural suppressant of TTX-stimulated larval escape behavior. Compared to a tapwater control, larvae initiated vigorous swimming in response to 10 –7 mol l –1 TTX. This excitatory response...
Journal Articles
J Exp Biol (2007) 210 (10): 1776–1785.
Published: 15 May 2007
... here) to those of conspecific larvae (as studied previously). Bioassays were performed in mountain streams,testing responses of free-ranging adults to 13 individual l -amino acids. Relative to stream water (controls), adults turned immediately upcurrent and moved to the source of arginine, glycine...
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J Exp Biol (2003) 206 (13): 2241–2255.
Published: 1 July 2003
... the standpoint of the receptor-mediated effects, but the molecular mechanisms involved in the termination of the numerous glutamatergic signals have only recently begun to receive attention. In vertebrates, glutamatergic signals are terminated by Na + /K + -dependent high-affinity excitatory amino acid...