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The endophytic bacterial diversity in the roots of rice (Oryza sativa L.) growing in the agricultural experimental station in Hebei Province, China was analyzed by 16S rDNA cloning, amplified ribosomal DNA restriction analysis (ARDRA), and sequence homology comparison. To effectively exclude the interference of chloroplast DNA and mitochondrial DNA of rice,(More)
An aerobic bacterial isolate, strain HN-182(T), was isolated from sediments of the South China Sea. Cells of strain HN-182(T) are coccoid to short rods, Gram-negative, non-spore-forming and non-motile. Strain HN-182(T) is heterotrophic and grows well on marine broth (Difco 2216), and is not capable of growing autotrophically on reduced sulfur. Grows at(More)
An aerobic, Gram-negative bacterial isolate, strain DX5-10T, was isolated from coastal sediment of the East China Sea. The taxonomy of strain DX5-10T was studied by phenotypic and phylogenetic methods. Strain DX5-10T was motile, formed faint-yellowish colonies and was positive for catalase reaction and weakly positive for oxidase reaction. The nearly(More)
The transcription factor Sox2 [SRY (sex-determining region Y)-box 2] is essential for the regulation of self-renewal and homoeostasis of NSCs (neural stem cells) during brain development. However, the downstream targets of Sox2 and its underlying molecular mechanism are largely unknown. In the present study, we found that Sox2 directly up-regulates the(More)
An aerobic, Gram-negative bacterial strain, TH-G33T, was isolated from freshwater sediment of Taihu Lake in China. The taxonomy of strain TH-G33T was studied by using phenotypic and phylogenetic methods. Cells of strain TH-G33T were coccoid rods or rods and formed colourless to pale-pink colonies on nutrient agar. Phylogenetic analysis based on nearly(More)
The bovine rumen represents a highly specialized bioreactor where plant cell wall polysaccharides (PCWPs) are efficiently deconstructed via numerous enzymes produced by resident microorganisms. Although a large number of fibrolytic genes from rumen microorganisms have been identified, it remains unclear how they are expressed in a coordinated manner to(More)
An aerobic, yellow-pigmented, Gram-negative bacterium, designated strain S13T, was isolated from freshwater sediment of Taihu Lake in central China. The taxonomy of strain S13T was studied by using phenotypic and phylogenetic methods. Cells of strain S13T were rod-shaped, non-motile and with a size range of 0.35-0.55x1.5-2.5 microm. The nearly complete 16S(More)
A Gram-staining-negative, strictly aerobic, non-gliding, rod-shaped bacterial strain, designated SW105(T), was isolated from a seawater sample collected from the Indian Ocean. The strain produced flexirubin-type pigments and grew at 15-45 °C (optimum, 35 °C), at pH 5.5-8.5 (optimum, pH 7.0-7.5) and in the presence of 0-5.0 % (w/v) NaCl (optimum, 1.0-1.5 %).(More)
An aerobic and heterotrophic, Gram-negative bacterial isolate, strain HY34(T), was isolated from sediment of an oilfield in the South China Sea, China. The taxonomy of strain HY34(T) was studied by phenotypic and phylogenetic methods. Strain HY34(T) formed faint-pink colonies on marine agar 2216. Cells of strain HY34(T) were non-motile, ovoid or short rods.(More)
Three Gram-negative, non-spore-forming strains were isolated from sediment from the South China Sea, China, and their taxonomic positions were investigated using a polyphasic approach. Strains HN-171(T), HN-172 and HN-181 grew optimally at 30 degrees C, in the presence of 4.5-5.0 NaCl % (w/v) and at pH 7.2-7.4. They contained MK-6 as the predominant(More)