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Seven novel, cold-adapted, strictly aerobic, facultatively oligotrophic strains, isolated from Antarctic sea water, were investigated by using a polyphasic taxonomic approach. The isolates were Gram-negative, chemoheterotrophic, motile, rod-shaped cells that were psychrotolerant and moderately halophilic. Buds were produced on mother and daughter cells and(More)
Four strains of cold-adapted, strictly aerobic and facultative oligotrophic bacteria were isolated from polar seas and investigated using a polyphasic taxonomic approach. Two strains (LMG 21857T and LMG 21854) derive from Arctic sea water whereas the other two strains (LMG 21855 and LMG 21858) were isolated from Antarctic sea water. Phylogenetic analysis(More)
Scylla serrata reovirus (SsRV) is one of the most prevalent viral pathogens of the mud crab (S. serrata). This pathogen is widespread in east China and causes severe economic losses to the nation's mud crab industry. Early detection of this pathogen is necessary for disease control and reduction of economic loss. In the present study, a reverse(More)
In recent years, the large yellow croaker (Pseudosciaena crocea), an important marine fish farmed in the coastal areas of Zhejiang province, east China, has become severely endangered as a result of the bacterial pathogen Pseudomonas putida. This paper reports the development of a visual loop-mediated isothermal amplification (LAMP) assay for rapid(More)
This is the first sequence-based characterization of mud crab (Scylla serrata) reovirus (SsRV), which causes severe disease of cultured mud crabs in southern China. We sequenced and analyzed genome segments S1, S2, S3, and S7, which were 4,327, 2,721, 2,715, and 1,517 nucleotides long, respectively. Conserved motifs were found at the 5’ (AUAAAU) and 3’(More)
Scylla serrata reovirus (SsRV) is one of the most prevalent viral pathogens of mud crabs (S. serrata). Of the 12 double-stranded RNA (dsRNA) genomic segments (S1–S12), the three largest (S1–S3) and S7 were sequenced previously and were shown to have no or only low sequence homology to known members within the family Reoviridae. The sequences of the(More)
To promote viral entry, replication, release, and spread to neighboring cells, many cytolytic animal viruses encode proteins responsible for modification of host cell membrane permeability and for formation of ion channels in host cell membranes. Scylla serrata reovirus (SsRV) is a major pathogen that can severely damage mud crab (S. serrata) aquaculture.(More)
Scylla serrata reovirus (SsRV) is one of the most prevalent viral pathogens of the mud crab (S. serrata). The virus represents an unassigned novel genus in the Reoviridae family, and contains 12 double-stranded RNA genomic segments. Previous analysis of virion proteins concluded that SsRV contains at least eight structural proteins, ranging from 25 to 160(More)
We have previously shown that non-structural protein p35, encoded by Scylla serrata reovirus (SsRV) S10, may act as a viroporin. To characterize the role of p35 protein in the modulation of cellular function, a yeast two-hybrid system was used to screen a cDNA library derived from S. serrata to find its interacting partner. Protein interactions were(More)
Carnobacterium sp. strain CP1 was isolated from Antarctic sandy soil and predicted to be a novel species belonging to the genus Carnobacterium Herein, we report the complete genome sequence, which consists of a circular 2,605,518-bp chromosome and an 8,883-bp plasmid with G+C contents of 38.13% and 31.63%, respectively.