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BGI sequences genome of the deadly E. coli in Germany and reveals new super-toxic strain
Date:6/2/2011

June 2nd, Shenzhen, China The recent outbreak of an E. coli infection in Germany has resulted in serious concerns about the potential appearance of a new deadly strain of bacteria. In response to this situation, and immediately after the reports of deaths, the University Medical Centre Hamburg-Eppendorf and BGI-Shenzhen began working together to sequence the bacterium and assess its human health risk. BGI-Shenzhen has just completed the sequence and carried out a preliminary analysis that shows the current infection is caused by an entirely new super-toxic E. coli strain.

According to the latest announcement from German health officials, the death toll in Europe from the epidemic has risen to at least 17. Over 1,000 new cases of infection have also been reported in other parts of Europe, including Sweden, Denmark, the Netherlands, the UK, and others. The University Medical Center Hamburg-Eppendorf received the majority of the infected patients from northern Germany and found that antibiotic treatment was ineffective.

BGI was informed of the dangerous situation and, in collaboration with the University Medical Center Hamburg-Eppendorf researchers, used their genomic technology to determine the infectious strain, reveal the mechanisms of infection, and facilitate the development of measures to control the spread of this epidemic.

Upon receiving the bacterial DNA samples, BGI finished sequencing the genome of the bacterium within three days using their third-generation sequencing platform Ion Torrent by Life Technologies. Bioinformatics analysis revealed that this E. coli is a new strain of bacteria that is highly infectious and toxic.

According to the results of the current draft assembly (available for download at ftp://ftp.genomics.org.cn/pub/Ecoli_TY-2482), the estimated genome size of this new E. coli strain is about 5.2 Mb. Sequence analysis indicate
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Contact: Bicheng Yang, Ph.D.
yangbicheng@genomics.cn
86-755-252-73450
Beijing Genomics Institute at Shenzhen
Source:Eurekalert

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