Spider silk made by photosynthetic bacteria | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it

Spider silk made by photosynthetic bacteria
(Nanowerk News) Spiders produce amazingly strong and lightweight threads called draglines that are made from silk proteins. Although they can be used to manufacture a number of useful materials, getting enough of the protein is difficult because only a small amount can be produced by each tiny spider.


In a new study published in Communications Biology ("A marine photosynthetic microbial cell factory as a platform for spider silk production"), a research team led by Keiji Numata at the RIKEN Center for Sustainable Resource Science (CSRS) reported that they succeeded in producing the spider silk using photosynthetic bacteria. This study could open a new era in which photosynthetic bio-factories stably output the bulk of spider silk.


In addition to being tough and lightweight, silks derived from arthropod species are biodegradable and biocompatible. In particular, spider silk is ultra-lightweight and is as tough as steel.

 

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