AI Insight
Microorganisms including bacteria and archaea have been producing natural bioplastics called polyhydroxyalkanoates (PHAs) for hundreds of millions of years, long before human invention of biodegradable plastics. These organisms store PHAs inside their cells as carbon and energy reserves. The research suggests these natural bioplastics may have served as a food source for animals throughout evolutionary history.
Why it matters
Understanding how natural bioplastics function in ecosystems could inform the development of more sustainable biodegradable materials and waste management solutions. This research also reveals an ancient biological process that has supported food webs for millions of years, with potential applications in biotechnology and materials science.
Understand the Science
Long before humans discovered biodegradable plastics, microorganisms had already invented their own. Many bacteria and archaea produce natural bioplastics called polyhydroxyalkanoates (PHAs), storing them inside their cells as reserves of carbon and energy.
Source: Nature's original bioplastic may have fed animals for hundreds of millions of years