超级面包虫幼虫进食发泡胶。
塑胶废物难以降解为环境造成严重破坏。澳洲媒体周五报道,昆士兰大学有科学家就向超级面包虫喂食发泡胶,利用它们肠道中的消化酶,成功在24小时内将塑胶降解。
有份参与研究的林克指出,这些超级面包虫幼虫在1日内已把发泡胶全数吞食,透过肠道含有消化酶的细菌将聚苯乙烯的化学链分解为苯乙烯分子,在48小时内排出白色排泄物,完成整个“消化过程”。实验中使用的幼虫能够完成生命周期,过渡成蛹并最终蜕变成甲虫,但体重会比正常喂食米糠的面包虫轻,消化道的微生物相对不太健康。
林克称,下一步是要扩大实验数量研究酶的效果,可能会花上数年时间,但若能启动有关的生物科学工程,取得更有效率和更快的成果,未来有望在工业方面得以应用。论文的更多详情已刊登在科学期刊《Microbial Genomics》。
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