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The Ripple Effect of Indels

Researchers at Nanjing University in China have used genomic analyses to investigate the distribution of single nucleotide changes around insertions and deletions, or indels. Published online in Nature yesterday, their work found that among primates, rodents, fruit flies, rice, and yeast, heterozygosity for an indel causes mutation in the nearby sequences.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.