Research on Influencing Factors of  Polystyrene Consumption by Zophobas atratus Larvae， and Gut Core Functional Microbiome

doi:10.12068/j.issn.1005-3026.2021.07.016

Abstract

Abstract: The survival rate of Zophobas atratus in the styrofoam biodegradation investigation is affected by environmental factors. In order to reduce the interference on the experiments of plastic biodegradation， effects of environmental factors on the growth of Zophobas atratus and consumption of the styrofoam were investigated， and the potential core functional bacteria was speculated by using the MiSeq sequencing technology. The experimental results indicated that light condition， plastic density and contact area have significant impacts on the growth of Zophobas atratus and the consumption of polystyrene(PS) styrofoam. Dark condition is conducive to the growth and plastic consumption by Zophobas atratus. Styrofoam with low density and low contact area is favored by Zophobas atratus. However， plastic with high breakage degree is not conducive to Zophobas atratus， and taking styrofoam as sole diet can not meet the growth requirements of larvae. Significant changes in gut microbiome of Zophobas atratus was observed with PS styrofoam diet， and genera of unclassified Enterobacteriaceae， Dysgonomonas， Sphingobacterium and Enterococcus are closely related to the degradation of PS styrofoam.

Key words: plastic biodegradation; Zophobas atratus; light condition; plastic density; contact area; functional microbiome

CLC Number:

X506

ZHAO Xin， LUO Li-ping， WANG Yu-meng， GUO Hong-qin. Research on Influencing Factors of Polystyrene Consumption by Zophobas atratus Larvae， and Gut Core Functional Microbiome[J]. Journal of Northeastern University(Natural Science), 2021, 42(7): 1019-1024.

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Research on Influencing Factors of Polystyrene Consumption by Zophobas atratus Larvae， and Gut Core Functional Microbiome

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