Dechao Zhang

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A Gram-negative, psychrophilic, motile, rod-shaped bacterium, designated strain 20188(T), was isolated from marine samples collected from the Arctic (7 degrees 00' 24'' N 16 degrees 59' 37'' W), and was identified taxonomically by means of a polyphasic study. On the basis of 16S rRNA gene sequence similarity, strain 20188(T) was closely related to members(More)
Strain 20041(T) was isolated from sea-ice of the Canadian Basin (7 degrees 23' 14'' N 14 degrees 06' 55'' W). Phylogenetic analysis based on 16S rRNA gene homology showed that strain 20041(T) was related to members of the genus Marinobacter and had highest 16S rRNA gene sequence similarity with the type strain of Marinobacter maritimus. Cells were(More)
A Gram-type positive, Gram-reaction variable, non-motile, psychrophilic actinobacterium, designated Cr8-25(T), was isolated from alpine glacier cryoconite and was able to grow well over a temperature range of 1-15 °C. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain Cr8-25(T) belonged to the family Microbacteriaceae and showed(More)
A novel psychrotolerant, Gram-negative, aerobic bacterium, designated strain 537T, was isolated from sea-ice samples from the Arctic. Strain 537T was able to grow at 4-26 degrees C, with optimum growth occurring at 20-21 degrees C. Strain 537T had Q-8 as the major respiratory quinone and contained iso-C15:0 2-OH and/or C16:1 omega7c (22.95 %), C15:1 (17.64(More)
We detected tumor-associated aberrant hypermethylation of the p16 gene in plasma DNA from 105 non-small cell lung cancer (NSCLC) patients (65 squamous cell carcinoma (SCC) and 40 adenocarcinoma (ADC)) and 92 matched tumor DNA samples, using a modified semi-nested methylation-specific PCR (MSP). This technique increased the sensibility of detecting p16(More)
A novel psychrotolerant, Gram-positive, yellow-pigmented, aerobic bacterium, strain 0549(T), was isolated from the China No. 1 glacier. The cells of the isolate were catalase-positive, motile, irregular rods. The diamino acid content of the cell-wall peptidoglycan was determined to be 2,4-diaminobutyric acid. Strain 0549(T) was able to grow at 4-27 degrees(More)
Strain BZ92r(T) was isolated from hydrocarbon-contaminated soil. Cells were Gram-negative, aerobic, rod-shaped and cold-adapted (growth at 1-25 degrees C). The major fatty acids were iso-C(15 : 0) (25.6 %), iso-C(17 : 1)omega9c (24.9 %), iso-C(11 : 0) (18.4 %) and iso-C(11 : 0) 3-OH (16.2 %). The predominant ubiquinone was ubiquinone-8. The genomic DNA G+C(More)
An aerobic, Gram-reaction-positive, non-motile, psychrophilic bacterium, designated strain S6-3(T), was isolated from alpine soil. Cells exhibited a rod-coccus growth cycle and produced a yellow pigment. Growth occurred at 1-25 degrees C. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain S6-3(T) was related to members of the genus(More)
A novel bacterial strain, designated 170(T), was collected from high latitude Arctic locations (77 degrees 30' N to approximately 81 degrees 12' N), including the Canadian Basin and Greenland Sea. Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed that strain 170(T) was related to members of the genus Glaciecola and had the highest 16S(More)
A Gram-negative, aerobic bacterium, designated strain BZ26(T), was isolated from hydrocarbon-contaminated soil. The strain was psychrophilic, showing good growth over a temperature range of 1-20 degrees C. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain BZ26(T) was related to members of the genus Dyadobacter and had highest 16S(More)