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Science News Archive November 2016 - Page 3


Page 3 of 38

A receptor discovered for progranulin

The discovery of EphA2 as a receptor for progranulin sheds light on its role in cancer and neurodegenerative diseases. Progranulin binding activates cellular pathways that promote cancer cell aggression, while also triggering a positive feedback loop that increases progranulin secretion.

SourceThomas Jefferson University·JournalJournal of Cell Biology·DateNov 30, 2016

Life before oxygen

Scientists have discovered fossils of sulfur-oxidizing bacteria in ancient rocks from South Africa and Western Australia, dating back to the Neoarchean Eon, 2.8 to 2.5 billion years ago. These findings suggest that life existed on Earth before the Great Oxidation Event, which led to a significant increase in oxygen levels.

SourceUniversity of Cincinnati·JournalGeology·DateNov 29, 2016

Subsidized housing works better for some kids than others

A new study by Johns Hopkins University researchers found that subsidized housing significantly influences young people's standardized test scores and behavior. High-achieving children who lived in subsidized housing scored 8% higher on tests than similar peers, while low-performing students saw their scores drop. The study suggests th...

SourceJohns Hopkins University·JournalAmerican Journal of Community Psychology·DateNov 29, 2016

Live cell imaging of asymmetric cell division in fertilized plant cells

Researchers at Nagoya University have successfully visualized asymmetric cell division in fertilized plant cells using live cell imaging. The study reveals how the direction of this division determines the body axis of flowering plants, with a small cell forming on top and a large cell at the bottom.

SourceInstitute of Transformative Bio-Molecules (ITbM), Nagoya University·JournalProceedings of the National Academy of Sciences·DateNov 29, 2016

Brain pattern flexibility and behavior

A study analyzing brain region connectivity found that people with more flexible brain states perform better on executive-function tasks. The researchers discovered five general brain patterns, with those in the most flexible states excelling in high-level cognition.

SourceUniversity of Miami·JournalNeuroImage·DateNov 29, 2016

Omnipath sends strong signal

Researchers can now analyze biological signaling pathways with unprecedented accuracy thanks to OmniPath, combining 27 public databases on signalling interactions. The tool provides a comprehensive and unified collection of literature-curated signalling pathways based on an analysis of 41,000 scientific papers.

SourceEarlham Institute·JournalNature Methods·DateNov 29, 2016