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This Week in Nature: Jul 12, 2007

American and Russian researchers have derived embryonic stem cells from unfertilized eggs, says a news story. Though this process sidesteps the issues surrounding using stem cells from fertilized eggs, it raises concerns that parthenogenetically-derived cells might not function as normal cells do and adds its own ethical situation of getting eggs from healthy women, according to the article.

Austrian researchers led by Georg Dietzl report that they made and validated a genome-wide library of transgenic RNAi strains for Drosophila melanogaster. This library, the researchers say, is an alternative to forward genetic screens since these RNAi lines can target any tissue at any point during the fly's life. The related news story reports that library is available through the Vienna Drosophila RNAi Center and that the center is losing two strains a week since they cannot keep back up vials of flies.

While not systems biology-related, this article is still all over the news – it describes the evidence for water on a planet, the gas giant planet HD 189733b, outside our solar system.

The Scan

NFTs for Genome Sharing

Nature News writes that non-fungible tokens could be a way for people to profit from sharing genomic data.

Wastewater Warning System

Time magazine writes that cities and college campuses are monitoring sewage for SARS-CoV-2, an approach officials hope lasts beyond COVID-19.

Networks to Boost Surveillance

Scientific American writes that new organizations and networks aim to improve the ability of developing countries to conduct SARS-CoV-2 genomic surveillance.

Genome Biology Papers on Gastric Cancer Epimutations, BUTTERFLY, GUNC Tool

In Genome Biology this week: recurrent epigenetic mutations in gastric cancer, correction tool for unique molecular identifier-based assays, and more.