Research progress on rumen microorganisms in the utilization of lignocellulose as an energy resource

doi:10.11686/cyxb2020316

Abstract

Abstract:

The rumen is the first compartment of the digestive tract of ruminants， it functions as a pre-gastric anaerobic fermentation chamber， where are ingested plant material is degraded by various microorganisms （bacteria， fungi and protozoa） and converted into low-molecular-weight chemical compounds which are subsequently absorbed and digested by the animal. The rumen is currently recognized as a natural reactor， where a variety of lignocellulosic degrading enzymes are secreted by fungi and bacteria and the lignocellulose is degraded and utilized efficiently. Replication of rumen processes in vitro has potential value in the production of biofuels and chemical compounds from lignocellulose. Therefore， from the perspective of reviewing which rumen microorganisms degrade lignocellulose and related compounds， this paper focuses on the research progress of rumen microorganisms and organic acid biochemistry in the conversion of lignocellulose to ethanol and biogas. In compiling this overview， we aim to provide new methods and ideas for the research and application of rumen microorganisms in the utilization of lignocellulose as an energy or chemical synthesis resource.

Key words: lignocellulose, rumen microorganisms, feed additives, ethanol, biogas

Juan-shan ZHENG, KAO Ren-qing DING, Xin-pu LI, Ze-yi LIANG, Jian-bo ZHANG, Mei DU, Xue-zhi DING. Research progress on rumen microorganisms in the utilization of lignocellulose as an energy resource[J]. Acta Prataculturae Sinica, 2021, 30(9): 182-192.

Figures/Tables 3

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