By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – Sigma-Aldrich today reported a 2 percent increase in fourth quarter revenues to $582 million, a new quarterly high, but short of analysts' expectations.

The figure for the three months ended Dec. 31, 2010, compares to $573 million for the fourth quarter of 2009. Wall Street expected revenues for the quarter of $587.5 million.

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In Science this week: factors influencing retrotransposon integration sites, and more.

A bioethicist argues for the responsible use of germline gene editing.

Some breweries are using DNA-based testing to determine whether unwanted bacteria are affecting their beers, The Verge reports.

Standardized N-of-1 trials will be needed to test out personalized medicines, writes Nicholas Schork from the J. Craig Venter Institute at Nature.