نتایج جستجو برای: procambarus clarkii
تعداد نتایج: 821 فیلتر نتایج به سال:
A novel matrix protein named calcification-associated soluble protein-2 (Casp-2) was isolated from the acetic acid-soluble fraction of the exoskeleton of the crayfish Procambarus clarkii, and its primary structure was determined by a combination of peptide sequencing, mass spectral analysis, and cDNA cloning. Casp-2 consists of 117 amino acid residues and has a chitin-binding consensus sequence...
The availability of food resources has been suggested as a major factor in the substantial increase in reproductive output, survival, recruitment and, ultimately, population growth rates in most organisms. In fact, the artiWcial increase in food availability resulting from human activities has been suggested as a factor in the substantial increase in population size of several seabirds in recen...
C-type lectins are important immune molecules that participate in host defense response. The present work reports a novel C-type lectin (PcLec3) from the red swamp crayfish Procambarus clarkii. Sequence analysis found that PcLec3 encodes a polypeptide with252 amino acid residues, which contains an immunoglobulin-like domain (IG) and a C-type lectin domain (CTLD) arranged in tandem. Tissue distr...
This article documents the addition of 277 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Ascochyta rabiei, Cambarellus chapalanus, Chionodraco hamatus, Coptis omeiensis, Cynoscion nebulosus, Daphnia magna, Gerbillus nigeriae, Isurus oxyrinchus, Lates calcarifer, Metacarcinus magister, Oplegnathus fasciatus, Pachycondyla ve...
The first-generation precursors producing adult-born neurons in the crayfish (Procambarus clarkii) brain reside in a specialized niche located on the ventral surface of the brain. In the present work, we have explored the organization and ultrastructure of this neurogenic niche, using light-level, confocal and electron microscopic approaches. Our goals were to define characteristics of the nich...
Lobsters are ubiquitous, economically important decapod crustaceans with apparently conflicting evolutionary relationships. Here, we describe the chromosomal location of major (45S rDNA) and minor (5S ribosomal gene families in four species Astacidea five Achelata, using two-color FISH. The family is located 4–16 sites per diploid chromosome set, Nephrops norvegicus (Nephropidae) showing highes...
The resistance of the scorpion Androctonus australis to its own venom, as well as to the venom of other species, was investigated. A comparison of the electrical and pharmacological properties of muscle and nerve fibres from Androctonus australis with those from the crayfish Procambarus clarkii enabled us to understand the lack of effect of scorpion venom (110-180 microg ml-1) and purified toxi...
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