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Carbazole, one representative of non-alkaline nitrogen heterocyclic compounds, is widespread in the natural environment and harmful to human health. In this research, the seven bacterial strains using carbazole as their sole carbon, nitrogen and energy source were isolated from activated sludge of a coking wastewater treatment plant. All strains efficiently(More)
Retinoid X receptor (RXR)/ultraspiracle (USP) is the heterodimeric partner of ecdysteroid receptor and is required for the molting process of arthropods. To better understand the molecular aspects governing the process of molting in shrimp, the full-length cDNA of two RXRs, named as FcRXR-1 and FcRXR-2 were obtained from Chinese shrimp Fenneropenaeus(More)
Papillary thyroid carcinoma (PTC) is often clinically multifocal. In this study, the clinicopathological characteristics of a total of 347 PTC patients treated between 2006 and 2007 were investigated in order to assess the risk factors for tumor recurrence in patients with multifocal PTC. Of all the PTC cases reviewed, 35 (10%) were categorized as(More)
The sequencing of BAC clones (~100 kb) can reveal some characteristics of a genome that are challenging to obtain based on short sequences. Additionally, although the immune genes of the Zhikong scallop (Chlamys farreri) have been studied widely, few analyses have been conducted at the DNA level. In this study, four C. farreri BAC clones containing innate(More)
Natural zeolite is a favorable NH(4)(+)-ion exchanger in the tertiary wastewater treatment. In this study, a natural Chinese zeolite was anatomized using the mercury injection method, X-ray diffraction, and scanning electron micrographs. The kinetic process of ammonium adsorption onto the zeolite was best described by the pseudo second order model; the(More)
A new bacterial strain, Shinella zoogloeoides BC026, which utilizes pyridine as its sole carbon, nitrogen and energy source, was isolated from the activated sludge of a coking wastewater treatment plant. The BC026 strain completely degraded up to 1,806 mg/l of pyridine in 45.5 h. The optimum degradation conditions were pH 8.0 and temperature 30–35°C.(More)
STUDY QUESTION Do different concentrations of FSH in the assisted reproductive technology (ART) procedure in vitro or in vivo affect the developmental competence of oocytes, the embryos and the offspring conceived from these embryos? SUMMARY ANSWER Improper FSH treatment (200 IU/l in vitro, 10 IU/ml in vivo and 200 IU/ml in vivo) impairs the development(More)
Current knowledge on cis-regulatory elements of immune genes of the Pacific white shrimp (Litopenaeus vannamei) is poor. In this study, we identified the promoter of the heat shock cognate protein 70 (HSC70) gene of L. vannamei (lvhsc70). The promoter activity of lvhsc70 promoter was analyzed in insect sf9 cell lines. First, the putative promoter sequence(More)
Two pyridine-degrading bacteria and two quinoline-degrading bacteria were introduced for bioaugmentation to treat the coking wastewater. Sequencing batch reactors (SBRs) were used for a comparative study on the treatment efficiency of pyridine, quinoline, and chemical oxygen demand. Results showed that the treatment efficiency with coking-activated sludge(More)
Disease control is a main objective in the culture of Farrer's scallop (Chalmys farreri). Many investigations have focused on the innate immune system of this species. Serine proteases amplify signals in many immune-related pathways and thus play a crucial role in innate immune system. Recently, studies on serine protease in C. farreri were mainly on(More)