| complete mitochondrial genome of the asian paddle crab charybdis japonica (crustacea: decapoda: portunidae): gene rearrangement of the marine brachyurans and phylogenetic considerations of the decapods. | given the commercial and ecological importance of the asian paddle crab, charybdis japonica, there is a clearly need for genetic and molecular research on this species. here, we present the complete mitochondrial genome sequence of c. japonica, determined by the long-polymerase chain reaction and primer walking sequencing method. the entire genome is 15,738 bp in length, encoding a standard set of 13 protein-coding genes, two ribosomal rna genes, and 22 transfer rna genes, plus the putative cont ... | 2010 | 19714481 |
| metallothionein, antioxidant enzymes and dna strand breaks as biomarkers of cd exposure in a marine crab, charybdis japonica. | cadmium (cd) is one of the most toxic heavy metals that are widespread in inshore sediments of china, and can induce the production of toxic hydroxyl radicals that cause cell damage. the present study investigated the effect of two cd concentrations (the final cd concentration of 0.025 and 0.05 mg/l, prepared with cdcl2 x 2.5h2o) on metallothioneins (mt), antioxidant enzyme activities (superoxide dismutase (sod), catalase (cat), and glutathione peroxidase (gpx)) and dna integrity (dna strand bre ... | 2006 | 16908220 |
| comparison of paralytic shellfish poisoning toxin between carnivorous crabs (telmessus acutidens and charybdis japonica) and their prey mussel (mytilus galloprovincialis) in an inshore food chain. | paralytic shellfish poisoning toxin in two shore crab species, telmessus acutidens and charybdis japonica, were compared with the toxin in the prey mussel mytilus galloprovincialis and causative dinoflagellates alexandrium tamarense, all having been collected at onahama, fukushima prefecture, in the northern part of japan. when the toxicities were detected in mussels by mouse bioassays, 73.7% of the sampled t. acutidens were toxic in the hepatopancreas. t. acutidens has been found to become toxi ... | 2004 | 15109892 |
| studies on anti-b specificity and heterogeneity of some invertebrate hemagglutinins. | hemolymph from charybdis japonica and lymantria dispar, and saline extract from eunice kobiensis agglutinated human group b erythrocytes specifically. multiple agglutinins were identified, and independent agglutinins were separated from hemolymph of charybdis japonica (anti-bcj+anti-xcj) and lymantria dispar (anti-bld+rld) by absorption experiments. by the agglutination and agglutination-inhibition experiments with simple sugars, the specificities of the anti-b agglutinins in these invertebrates ... | 1979 | 494266 |
| pathological analysis of hemolymphs of charybdis japonica infected with vibrio alginolyticus. | we explored the pathogenic mechanism of vibrio alginolyticus in the stone crab charybdis japonica by studying the hemolymph of c. japonica artificially infected by v. alginolyticus. to this end, wright-geimsa staining and electron microscopy were used, and phenoloxidase (po) activity and the immune protection rate of c. japonica injected with immune polysaccharide during infection were analyzed. the results indicated that the total hemocyte and hyaline hemocyte (hh) counts in diseased crabs were ... | 2013 | 24036334 |
| computational analysis of molt-inhibiting hormone from selected crustaceans. | molt-inhibiting hormone (mih) is a principal endocrine hormone regulating the growth in crustaceans. in total, nine mih peptide sequences representing members of the family penaeidae (penaeus monodon, litopenaeus vannamei, marsupenaeus japonicus), portunidae (portunus trituberculatus, charybdis japonica, charybdis feriata), cambaridae (procambarus bouvieri), parastacidae (cherax quadricarinatus) and varunidae (eriocheir sinensis) were selected for our study. in order to develop a structure based ... | 2013 | 24041714 |
| [niche and interspecific association of nekton in the south coastal waters of cangnan, zhe-jiang, china]. | in this paper, the interaction between the species population were analyzed based on the data of major nekton species in the south coastal waters of cangnan in spring and autumn 2014. a series of methods including niche breadth, niche overlap, χ2 - test and association coefficient (ac) based on a 2x2 contingency table were used. the results showed that the major nekton species in the south coastal waters of cangnan were classified into three groups, i.e. wide niche breadth species, moderate nich ... | 2015 | 26995931 |
| [effects of diet condition on survival and metamorphosis of charybdis japonica larvae]. | this paper studied the effects of different kind and density of baits and different starvation duration on charybdis japonica larvae. the results showed that the preferable baits of zoaea-1 were chaetoceros sp. and isochrysis galbana, and their proper feeding density were 20 x 10(4) cell.ml-1. the preferable bait of the larvae after zoaea-1 was artemia salina nauplius, and its proper feeding density for zoaea-2 and zoaea-3 was 2-3 ind.ml-1. the point of no-return for zoaea-1 of charybdis japonic ... | 2004 | 15139215 |