Results 211 to 220 of about 31,361 (248)
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Comparative Toxicokinetics of Cadmium in Artemia

Archives of Environmental Contamination and Toxicology, 2005
The toxicokinetics of cadmium was determined for five populations belonging to four species of Artemia (A. salina, A. parthenogenetica, A. franciscana, and A. persimilis) using a bicompartmental model. The effects of sublethal cadmium concentration on the kinetic parameters in A. parthenogenetica were determined. The BCF values are inversely related to
R, Sarabia   +6 more
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Satellite DNA in the crustacean Artemia

Gene, 1986
We have isolated a satellite fraction from the Artemia genome by both restriction endonuclease digestion and equilibrium density centrifugation in CsCl gradients containing ligand dye Hoechst 33258. Satellite DNA was arranged in long stretches (approx. 23 kb) of tandem repeats of a basic unit of 113 bp.
J, Cruces   +4 more
openaire   +2 more sources

Adenosine deaminase isozymes in Artemia

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1984
Three isozymes of adenosine deaminase, termed II, III and IV, have been detected in Artemia embryos. Their pI values, determined by chromatofocusing, were 4.9, 5.0 and 5.2, respectively. Upon development to larvae, a different isozyme (I) is induced, with a pI value of 4.2 as determined by isoelectric focusing.
A, Fernández   +5 more
openaire   +2 more sources

Cryofixed Artemia

2016
The crustacean Artemia franciscana is able to switch between two different reproductive ways controlled by environmental cues: adult females can produce embryos in their ovisac, coated with a thin cuticle shell layer, ready to hatch immediately or metabolically inactive eggs, namely cysts, which undergo diapause in a late gastrula stage.
openaire   +1 more source

Morphology of Artemia

2018
Scanning electron microscopy provided much details to the external morphology of Artemia. The whole body of Artemia is covered by an extremely thin exoskeleton. In the larval stages the cuticle is 0.3 to 1.0 µm thin and probably has a similar appearance in all regions of the integument.
openaire   +1 more source

Segmentation in the crustacean Artemia: engrailed staining studied with an antibody raised against the Artemia protein

Roux's Archives of Developmental Biology, 1996
We have studied the process of post-embryonic segmentation in the anostracan crustacean Artemia franciscana using a specific antibody raised against the engrailed protein of this organism. Three cephalic segments are specified during embryonic development, before larval hatching, whilst trunk (thoracic) segmentation begins after the first stage free ...
Manzanares, Miguel   +3 more
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Developmental changes of Artemia ribonuclease

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1984
Encysted gastrulae of Artemia contain a particulate ribonuclease functionally analogous to that present in larvae. This activity is 1/200 times lower than that found in developed larvae and remains constant during embryonic development. Concomitant with the hatching of the larvae, there is a burst in enzyme activity (25-30-fold) and a change in its ...
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Artemia hemoglobins

Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, 1983
James A. Ferry   +4 more
openaire   +1 more source

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