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Keywords: Hemolymph
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Journal Articles
J Exp Biol (2021) 224 (1): jeb234419.
Published: 11 January 2021
... from G. veletis , but may liberate buffered CO 2 from hemolymph. There was a transient ‘overshoot’ in CO 2 release during the first hour of recovery, and elevated metabolic rate at 24, 48 and 72 h, in crickets that had been frozen compared with crickets that had been chilled (but not frozen). Thus...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (16): jeb212860.
Published: 28 August 2020
... significantly affected one-quarter of the more than 100 hemolymph metabolites defined by gas chromatography mass spectrometry analysis. Furthermore, as in mammals, which harbor complex consortia of bacterial symbionts, the metabolite signature oscillated on symbiont-driven daily rhythms and was dependent...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (15): jeb225821.
Published: 13 August 2020
.... These periostial hemocytes phagocytose pathogens in the areas of the hemocoel that experience the highest hemolymph flow. Here, we investigated whether a bacterial infection affects cardiac rhythmicity in the African malaria mosquito, Anopheles gambiae . We discovered that infection with Escherichia coli...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (8): jeb216135.
Published: 16 April 2020
... topically with octopamine and their abdominal lipid content, HG size and HG autophagic gene expression were measured. Hemolymph lipid titer was measured to determine whether tissue degradation was associated with the release of nutrients from these tissues into the hemolymph. The HGs of octopamine-treated...
Journal Articles
J Exp Biol (2018) 221 (12): jeb181107.
Published: 22 June 2018
... of heart contractions and do not play a major role in hemolymph propulsion. Intravital imaging of the venous channels, the first abdominal segment and the neck revealed that hemolymph only travels through the aorta in the anterograde direction, and does so only during periods of anterograde heart flow...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (19): 3536–3544.
Published: 1 October 2017
... osmotic influx of water. The Malpighian tubules help maintain ionic and osmotic homeostasis by removing excess water from the hemolymph; however, the transcellular pathway for this movement remains unresolved. Aquaporins are transmembrane channels thought to permit transcellular transport of water from...
Journal Articles
J Exp Biol (2016) 219 (17): 2596–2607.
Published: 1 September 2016
... concentration (pressure). Solute/volume plots of the ECF (hemolymph) reveal that insects tolerate large changes in all three of these ECF variables. Challenges beyond those tolerances may be ‘corrected’ or ‘compensated’. While a correction simply reverses the challenge, compensation accommodates the challenge...
Journal Articles
J Exp Biol (2016) 219 (15): 2388–2395.
Published: 1 August 2016
...Julia M. Suggs; Talitha H. Jones; Steven C. Murphree; Julián F. Hillyer ABSTRACT Insects rely on specialized accessory pulsatile organs (APOs), also known as auxiliary hearts, to propel hemolymph into their antennae. In most insects, this is accomplished via the pulsations of a pair of ampulla...
Journal Articles
J Exp Biol (2013) 216 (4): 601–613.
Published: 15 February 2013
... levels in adult mosquitoes increases the anterograde and retrograde heart contraction rates by up to 28%, and increases intracardiac hemolymph flow velocities by up to 33%. Partial CCAP knockdown by RNAi had the opposite effect, decreasing the mosquito heart rate by 6%. Quantitative RT-PCR experiments...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2011) 214 (4): 582–592.
Published: 15 February 2011
...) participates in processes other than reproduction: it influences hormone signaling, food-related behavior, immunity, stress resistance and longevity. The molecular basis of these functions is largely unknown. Here, we establish and compare the molecular properties of vitellogenin from honeybee hemolymph (blood...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (4): 541–550.
Published: 15 February 2010
... occurring in the anterograde direction (toward the head) and 28% of contractions occurring in the retrograde direction (toward the tip of the abdomen). The heart is tethered to the midline of the abdominal tergum by six complete and three incomplete pairs of alary muscles, and propels hemolymph...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2009) 212 (22): 3728–3736.
Published: 15 November 2009
...T. M. Clark; J. L. Lawecki; J. J. Shepherd; A. N. Hirschler; T. R. Samandu SUMMARY The role of serotonin in the regulation of larval Aedes aegypti hemolymph composition was investigated in vivo using two reuptake inhibitors (SSRIs), alaproclate HCl and 6-nitroquipazine maleate, and the receptor...
Journal Articles
J Exp Biol (2008) 211 (3): 327–336.
Published: 1 February 2008
... Limited 2008 2008 sodium uptake kinetics pallial fluid chemistry hemolymph ion transport active transport osmoregulation Predator avoidance in aquatic snails is facilitated by surfacing and emergence from the water in snails that have relatively fragile shells, and by hiding or possibly...
Journal Articles
J Exp Biol (2007) 210 (7): 1245–1254.
Published: 1 April 2007
..., we examine the effects of temperature and thermal change on the acid–base status of the lobster hemolymph. Total CO 2 , pH, P CO 2 and HCO – 3 were measured in hemolymph sampled from lobsters acclimated to temperature in the laboratory as well as from lobsters acclimated to seasonal temperatures...
Journal Articles
J Exp Biol (2004) 207 (13): 2313–2321.
Published: 1 June 2004
...Melissa A. Albers; Timothy J. Bradley SUMMARY We have examined the osmoregulatory capacities of laboratory populations of the insect Drosophila melanogaster by measuring hemolymph osmotic concentration during desiccation and upon recovery from a bout of desiccation. Recovery treatments entailed...
Journal Articles
J Exp Biol (2003) 206 (16): 2779–2786.
Published: 15 August 2003
...Donna G. Folk; Timothy J. Bradley SUMMARY We have investigated water loss from, and ion regulation within, the hemolymph and tissues of five replicate populations of Drosophila melanogaster that have undergone laboratory selection for enhanced desiccation resistance (i.e. the D populations). We...
Journal Articles
J Exp Biol (2001) 204 (19): 3323–3331.
Published: 1 October 2001
... content in the intra- and extracellular compartments of the C and D populations and were able to identify the hemolymph as the primary storage site of the ‘extra’ water carried by the desiccation-resistant flies. We estimated that 68 % of the increased water volume observed in the D flies was contained...