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Role of the intestinal microbiome in low-density polyethylene degradation by caterpillar larvae of the greater wax moth, Galleria mellonella by Cassone, Bryan J.; Grove, Harald C.; Elebute, Oluwadara; Villanueva, Sachi M. P.; LeMoine, Christophe M. R. is a Medicine article available to read on EtoBox.
What is Role of the intestinal microbiome in low-density polyethylene degradation by caterpillar larvae of the greater wax moth, Galleria mellonella about?
Recently, a few insects, including the caterpillar larva of the greater wax moth Galleria mellonella , have been identified as avid ‘plastivores’. These caterpillars are able to ingest and metabolize polyethylene at unprecedented rates. While it appears that G. mellonella plays an important role in the biodegradation process, the contribution of its intestinal microbiome remains poorly understood and contested. In a series of experiments, we present strong evidence of an intricate relationship between an intact microbiome, low-density polyethylene (LDPE) biodegradation and the production of glycol as a metabolic by-product. First, we biochemically confirmed that G. mellonella larvae consume and metabolize LDPE, as individual caterpillars fed on polyethylene excreted glycol, but those excretions were reduced by antibiotic treatment. Further, while the gut bacterial communities remained relatively stable regardless of diet, we showed that during the early phases of feeding on LDPE (24–72 h), caterpillars exhibited increased microbial abundance relative to those starved or fed on their natural honeycomb diet. Finally, by isolating and growing gut bacteria with polyethylene as their ex
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- Author
- Cassone, Bryan J.; Grove, Harald C.; Elebute, Oluwadara; Villanueva, Sachi M. P.; LeMoine, Christophe M. R.
- Publisher
- The Royal Society (ISSN 0080-4649)
- Published
- 2020
- Language
- EN
- Field
- Medicine (Life Sciences)