Results 191 to 200 of about 10,072 (221)
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Eleven polymorphic microsatellites isolated from red swamp crayfish, Procambarus clarkii

Molecular Ecology Resources, 2008
AbstractEleven microsatellites were isolated from a genomic DNA library enriched for CA‐ and GA‐repeats, and were characterized in 48 individuals of red swamp crayfish Procambarus clarkii. All 11 microsatellites were polymorphic with an average of allele number of 6.6 per locus.
Ze Yuan, Zhu, Gen Hua, Yue
openaire   +2 more sources

Aminopeptidase activity from the hepatopancreas of Procambarus clarkii

Biochemical Systematics and Ecology, 1992
This study examined aminopeptidase in the digestive gland of the freshwater crayfish, Procambarus clarkii. The enzyme has a molecular weight of 74,000 and consists of two subunits of 28,000 and 46,000 Mr. The enzymatic activity is maximal at pH 8.6 and at 55°C and follows the Michaelis-Menten kinetics.
Marina De La Ruelle   +3 more
openaire   +1 more source

Bioaccumulo di inquinanti in Procambarus clarkii

2012
Procambarus clarkii può accumulare efficacemente nel proprio organismo metalli pesanti e tossine algali. Per questa ragione la sua cattura a fini alimentari deve avvenire solo in acque di buona qualità. Le fitotossine si possono trovare in concentrazioni maggiori nella ghiandola digestiva (epatopancreas), che ha sede nel cefalotorace (porzione ...
Francesco Acri, Daniele Cassin
openaire   +1 more source

Crustacea (Procambarus clarkii) response to an organophosphate diet

Environmental Pollution Series A, Ecological and Biological, 1985
Abstract Large quantities of the organophosphate Guthion®, used to control insect infestations on large Louisiana plantations, can potentially enter surrounding wetland habitats and impact commercially important crayfish populations. The adsorption of Guthion to plant oils and organic sediments means that its impact on crayfish will include, and ...
openaire   +1 more source

Copper Bioaccumulation and Depuration by Red Swamp Crayfish, Procambarus clarkii

Bulletin of Environmental Contamination and Toxicology, 1998
Environmental contamination of copper occurs from two major sources: weathering and land-drainage. Mine production of Cu was estimated to be 307 million metric tons sometime ago (Nriagu et al 1979). A considerable amount of copper is contributed by the effluents of metal finishing industries to sewage sludge.
S M, Naqvi, I, Devalraju, N H, Naqvi
openaire   +2 more sources

Bioaccumulo di inquinanti in Procambarus clarkii

2013
Procambarus clarkii può accumulare efficacemente nel proprio organismo metalli pesanti e tossine algali. Per questa ragione la sua cattura a fini alimentari deve essere attentamente controllata e regolamentata. Le fitotossine in particolare si possono trovare in concentrazioni maggiori nella ghiandola digestiva (epatopancreas), che ha sede nel ...
D Cassin, F Acri, M Botter
openaire   +1 more source

Phosphorylation in crayfish (Procambarus clarkii) eggs during hatching

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1993
Abstract 1. 1.|The high-energy phosphorylation metabolism in crayfish, Procambarus clarkii eggs during brooding and juvenile crayfish after hatching was studied by in vivo31P nuclear magnetic resonance (31P NMR) spectroscopy. 2. 2.|Inorganic phosphoric acid (Pi) and adenosine-5′-triphosphate ATP(γ-,α-,β-) were detected in the dark brownish ...
Atsushi Chiba, Shiko Chichibu
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Paraquat toxicity to Louisiana crayfish (Procambarus clarkii)

Bulletin of Environmental Contamination and Toxicology, 1980
T S, Leung, S M, Naqvi, N Z, Naqvi
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Ranging behaviour of the invasive crayfish, Procambarus clarkii.

2004
The spreading of the invasive crayfish Procambarus clarkii throughout the world is attributed to human introductions; however, the rapid and widespread diffusion of the species following its establishment is the result of its dispersal capabilities. This study aimed to provide further information for the comprehension of the invasive potential of this ...
S. BARBARESI   +3 more
openaire   +1 more source

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