Metagenomics study to compare the taxonomic composition and metabolism of a lignocellulolytic microbial consortium cultured in different carbon conditions
文献类型： 外文期刊
作者： Borjigin, Qinggeer 1 ; Zhang, Bizhou 3 ; Yu, Xiaofang 1 ; Gao, Julin 1 ; Zhang, Xin 1 ; Qu, Jiawei 1 ; Ma, Daling 1 ; Hu, Shuping 2 ; Han, Shengcai 2 ;
作者机构： 1.Inner Mongolia Agr Univ, Agr Coll, 275 XinJian East St, Hohhot 010019, Peoples R China
2.Key Lab Crop Cultivat & Genet Improvement Inner M, 275 XinJian East St, Hohhot 010019, Peoples R China
3.Inner Mongolia Acad Agr & Anim Husb Sci, Special Crops Inst, 22 ZhaoJun Rd, Hohhot 010031, Peoples R China
4.Inner Mongolia Agr Univ, Vocat & Tech Coll, Altan St, Baotou 014109, Peoples R China
5.Inner Mongolia Agr Univ, Hort & Plant Protect Coll, 29 Eerduosi East St, Hohhot 010019, Peoples R China
关键词： Functional potentials; Metagenomics; Microbial consortium; Taxonomic composition
期刊名称：WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY （ 影响因子：4.253； 五年影响因子：4.272 ）
ISSN： 0959-3993
年卷期： 2022 年 38 卷 5 期
页码：
收录情况： SCI
摘要： A lignocellulolytic microbial consortium holds promise for the in situ biodegradation of crop straw and the comprehensive and effective utilization of agricultural waste. In this study, we applied metagenomics technology to comprehensively explore the metabolic functional potential and taxonomic diversity of the microbial consortia CS (cultured on corn stover) and FP (cultured on filter paper). Analyses of the data on metagenomics taxonomic affiliations revealed considerable differences in the taxonomic composition and carbohydrate-active enzymes profile of the microbial consortia CS and FP. Pseudomonas, Dysgonomonas and Sphingobacterium in CS and Cellvibrio and Pseudomonas in FP had a much wider distribution of lignocellulose degradative ability. The genes for more lignocellulose degradative enzymes were detected when the relatively simple substrate filter paper was used as the carbon source. Clusters of Orthologous Groups (COG) and Kyoto Encyclopedia of Genes and Genomes (KEGG) annotation analyses revealed considerable levels of similarity, and carbohydrate metabolic and amino acid metabolic pathways were the most enriched in CS and FP, respectively. The mechanism used by the two microbial consortia to degrade lignocellulose was similar, but the annotation of quantity of genes indicated that they are diverse and vary greatly. These data underlie the interactions between microorganisms and the synergism of enzymes during the degradative process of lignocellulose under different substrates and suggest the development of potential microbial resources.
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