Monthly Archives: May 2018

Insect gene allows reproductive organs to cope with harmful bacteria

A damaging bacteria with an uncanny ability to pass itself from insect mothers to eggs meets its genomic match in a tiny variety of parasitic wasp, a recent discovery by Associate Professor of Biological Sciences Seth Bordenstein and his team has shown.

Offspring of insects infected with the bacteria Wolbachia often die or are converted from...

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How intestinal worms hinder tuberculosis vaccination

New research in mice suggests that chronic infection with intestinal worms indirectly reduces the number of cells in lymph nodes near the skin, inhibiting the immune system's response to the Bacille Calmette-Guerin (BCG) vaccine for tuberculosis. Xiaogang Feng of Karolinska Institutet in Stockholm, Sweden, and colleagues present these findings in PLOS Pathogens.

Many people worldwide receive...

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How Nagana is carried by tsetse flies

Researchers at the University of Bristol have revealed new details on how the animal disease Nagana is spread by tsetse flies in Africa.

When animals are bitten by bloodsucking tsetse flies, they don't just get a painful bite, as the flies may be carrying a cargo of deadly microbes, trypanosomes.

These microbes are squirted into the skin...

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New Zealand has its own population of blue whales

A group of blue whales that frequent the South Taranaki Bight (STB) between the North and South islands of New Zealand appears to be part of a local population that is genetically distinct from other blue whales in the Pacific Ocean and Southern Ocean, a new study has found.

The whales show a high level of...

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