Pacifastacus leniusculus
PHYSIOLOGICAL RESPONSES OF THE CRAYFISH PACIFASTACUS LENIUSCULUS TO ENVIRONMENTAL HYPEROXIA: I EXTRACELLULAR ACID BASE AND ELECTROLYTE STATUS AND TRANSBRANCHIAL EXCHANGE
... Summary Extracellular acid-base and ionic status, and transbranchial exchange of acidic equivalents and electrolytes, were monitored in freshwater crayfish Pacifastacus leniusculus durin[r] ...
20
A gC1qR Prevents White Spot Syndrome Virus Replication in the Freshwater Crayfish Pacifastacus leniusculus
... In the present study, a full-length cDNA of gC1qR was cloned, and its tissue distribution in crayfish was studied. This gC1qR of Pacifastacus leniusculus (PlgC1qR) was also found to be upregulated upon WSSV ...
9
Reduced aggression and foraging efficiency of invasive signal crayfish (Pacifastacus leniusculus) infested with non native branchiobdellidans (Annelida: Clitellata)
... Background: Biological invasions are a principal threat to global biodiversity and identifying the determinants of non-native species ’ success is a conservation priority. Through their ability to regulate host ...
9
Antilipopolysaccharide Factor Interferes with White Spot Syndrome Virus Replication In Vitro and In Vivo in the Crayfish Pacifastacus leniusculus
... crayfish Pacifastacus leniusculus infected experimentally with the white spot syndrome virus (WSSV), one protein, known as antilipopolysaccharide factor (ALF), was chosen, among those whose transcript ...
7
The effect of water temperature on the number of moults and growth of juvenile signal crayfish Pacifastacus leniusculus Dana
... ABSTRACT: The growth rate, frequency of moulting, and intermoult intervals of juvenile Pacifastacus leniusculus were studied under experimental conditions over a period of 3 months. Juveniles were reared ...
7
The activity of signal crayfish (Pacifastacus leniusculus) in relation to thermal and hydraulic dynamics of an alluvial stream, UK
... Time-series of activity data, flow depth and water temperature hint at environmental controls.. on crayfish activity Figure 5 and this is corroborated by the results, given above, which.[r] ...
33
Intersegmental Coordination of Central Neural Oscillators for Rhythmic Movements of the Walking Legs in Crayfish, Pacifastacus Leniusculus
... In isolated preparations of the thoracic nerve cord, adjacent ipsilateral hemiganglia can generate a rhythmic motor output pattern in which homologous motor roots discharge approximately[r] ...
20
Ionic currents in identified swimmeret motor neurones of the crayfish Pacifastacus leniusculus
... Bath application of nifedipine into an isolated swimmeret preparation affected both the frequency of the swimmeret rhythm and the duration of power-stroke activity, suggesting an importa[r] ...
10
Responses to Hypersaline Exposure in the Euryhaline Crayfish Pacifastacus Leniusculus: I The Interaction between Ionic and Acid base Regulation
... This equation was used to calculate the ionic strength of Pacifastacus haemolymph in each experimental salinity, using concentrations of inorganic ions given in Table 1 and a value for [[r] ...
22
Responses to Hypersaline Exposure in the Euryhaline Crayfish PAcifastacus Leniusculus: II Modulation of Haemocyanin Oxygen Binding In Vitro and In Vivo
... Measured concentrations of major inorganic ions after dialysis against ^ logical salines equivalent in composition to haemolymph from animals acclimated to fresh water a or 75% SW b For [r] ...
22
Impacts of the North American signal crayfish (Pacifastacus leniusculus) on European ecosystems
... The third long-term study addressed the impact of signal crayfish on fish of the water column. Since the increasing spread of the signal crayfish in England causes concern for the native trout (Salmo trutta) and salmon ...
6
Remote Control of the Swimmeret Central Pattern Generator in Crayfish (Procambarus Clarkii and Pacifastacus Leniusculus): Effect of a Walking Leg Proprioceptor
... Since the stimulation was applied randomly with regard to the swimmeret cycles, and since the first powerstroke burst following electrical stimulation of the CBCO nerve was either delaye[r] ...
26
PHYSIOLOGICAL RESPONSES OF THE CRAYFISH PACIFASTACUS LENIUSCULUS TO ENVIRONMENTAL HYPEROXIA: II ROLE OF THE ANTENNAL GLAND IN ACID BASE AND ION REGULATION
... Time-dependent changes in measured urine flow rate UFR and urinary effluxes of Na+ and Cl~ during control normoxia C, mean of two 24-h control collection periods, hyperoxia and recovery [r] ...
18
The Segmental Giant Neurone of the Signal Crayfish, Pacifastacus Leniusculus, and its Interactions with Abdominal fast Flexor and Swimmeret Motor Neurones
... A Extracellular stimulation of the GFs causes a spike in the SG recorded peripherally in rl upper trace and intracellularly second trace, which is followed at very short latency by an EP[r] ...
22
Branchial and Antennal Gland Na+/K+ Dependent ATPase and Carbonic Anhydrase Activity During Salinity Acclimation of the Euryhaline Crayfish Pacifastacus Leniusculus
... Haemolymph and urine electrolyte status and branchial and antennal gland activities of Na + /K + -ATPase and carbonic anhydrase CA were determined in the crayfish Padfastacus leniusculus[r] ...
14