Study shines new light on how Salmonella 'die' at low temperatures

The most economical way to kill bacteria that cause common food-borne illnesses—mostly caused by Salmonella enterica—is heat, but, the mechanisms that kill Salmonella at lower temperatures were not fully understood until ...

New compound may stop bacteria from causing sickness

A study published in the Journal of Biological Chemistry is the first to describe a signaling pathway that affects communication—a process called quorum sensing—between Streptococcus bacteria cells.

No volcanic winter in East Africa from ancient Toba eruption

The massive Toba volcanic eruption on the island of Sumatra about 74,000 years ago did not cause a six-year-long "volcanic winter" in East Africa and thereby cause the human population in the region to plummet, according ...

Duck faeces shed light on plant seed dispersal

Mallards are among the most abundant and widespread duck species in the world, yet little attention has been paid to date to their role in spreading plant seeds. A new study in the Journal of Ecology reveals a number of plants ...

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