Lignin valorization is considered an integral part for an economically viable biorefinery. However, heterogenous nature of lignin imposes a big challenge for upgrading diverse lignin-derived intermediates and subsequent downstream processing. To overcome this challenge, we proposed to explore unique convergent pathways in Rhodococus strains to funnel lignin-derived compounds into single target products. A feasible bioprocess for co-production of lipids and carotenoids from lignin by Rhodococci was developed. This process would potentially extract more values from lignin via biological upgrading.

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红球菌将木质素类化合物微生物转化为类胡萝卜素

木质素增值被认为是经济上可行的生物精炼厂的一个组成部分。然而，木质素的异质性对升级各种木质素衍生中间体和后续下游加工提出了巨大挑战。为了克服这一挑战，我们建议探索红球菌菌株中独特的收敛途径，以将木质素衍生化合物汇集到单一目标产物中。开发了一种通过红球菌从木质素中联合生产脂质和类胡萝卜素的可行生物工艺。这个过程可能会通过生物升级从木质素中提取更多价值。