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Mitochondrial DNA polymerase is necessary for the destruction of paternal mtDNA in fruit fly sperm, scientists show.

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Proteins with unstable 3-D structures help the microscopic animals withstand drying.

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image: Five More Synthetic Yeast Chromosomes Completed

Five More Synthetic Yeast Chromosomes Completed

By Anna Azvolinsky | March 9, 2017

Members of the Synthetic Yeast Genome Project have synthesized five additional yeast chromosomes from scratch. 

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image: How Bacteria Interfere with Insect Reproduction

How Bacteria Interfere with Insect Reproduction

By Ruth Williams | February 28, 2017

Scientists identify the genes responsible for bacteria-controlled sterility in arthropods.

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image: An Aging-Related Effect on the Circadian Clock

An Aging-Related Effect on the Circadian Clock

By Anna Azvolinsky | February 21, 2017

Stress-related genes may be preferentially and rhythmically expressed as part of the circadian rhythms of older fruit flies, researchers report.  

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image: Abundant Sequence Errors in Public Databases

Abundant Sequence Errors in Public Databases

By Ruth Williams | February 16, 2017

A new algorithm reveals hoards of preparation-induced DNA mutations in publicly available human sequences.

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image: Pardis Sabeti: An American Scientist Born in Iran

Pardis Sabeti: An American Scientist Born in Iran

By Bob Grant | February 9, 2017

When she entered the U.S. shortly before the Iranian revolution of 1979, the now 41-year-old geneticist was a refugee toddler. 

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image: Non-Chromosomal DNA Drives Tumor Evolution

Non-Chromosomal DNA Drives Tumor Evolution

By Anna Azvolinsky | February 8, 2017

Researchers discover that short pieces of DNA harboring oncogenes are relatively widespread in cancer.

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image: Improved Semisynthetic Organism Created

Improved Semisynthetic Organism Created

By Abby Olena | January 23, 2017

Researchers generate an organism that can replicate artificial base pairs indefinitely.

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A cell phone–based microscope can identify mutations in tumor tissue and image products of DNA sequencing reactions.

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