现代食品科技 Modern Food Science and Technology 2022, Vol.38, No.12
183
广西长寿饮食模式对人体肠道菌群结构的调节作用
韩坤宸 1,窦君霞 2,黄国宏 3,于晓涵 1,廖艳婷 1,张钦任 1,宋瑶 1,马金克 1,李全阳 1*
(1.广西大学轻工与食品工程学院,广西南宁 530004)(2.泰山职业技术学院生物技术工程系,山东泰安 271000)
(3.广西职业技术学院农业工程学院,广西南宁 530226)
摘要:该研究旨在探究所构建的广西长寿饮食模式对人体肠道菌群的具体影响。14 名志愿者被筛选并要求其高依从地遵循广西
长寿饮食模式 2 周,在干预前后采集志愿者粪便样品并进行 16S rDNA 高通量测序。结果表明:饮食干预后志愿者肠道菌群多样性从
多个层面发生了变化。在门水平上,TM7 相对丰度显著降低(由 0.05%降低至 0.01%),变形菌门(Proteobacteria)相对丰度、厚壁
菌门(Firmicutes)与拟杆菌门(Bacteroidetes)比值的相对丰度也有所降低。在属水平上,粪球菌属(Coprococcus)相对丰度显著升
高(由 1.04%增至 1.39%),而埃希菌属(Escherichia,由 14.00%降至 9.62%)、瘤胃球菌属(Ruminococcus,由 5.67%降至 2.48%)
和巨单胞菌属(Megamonas,由 4.06%降至 0.04%)相对丰度显著降低。通过冗余分析表明肠道菌群的变化与每日摄入食物种类密切
相关,其中蔬菜的每日平均摄入量与其相关性最高(r
2=0.89,p<0.01)。该研究结果证明广西长寿饮食模式可有效调节人体肠道菌群
结构,降低肠道内部分有害菌的丰度,对维持机体健康状态具有积极作用,也为从肠道菌群的角度揭示通过饮食调控机体健康长寿的
成效机制提供了参考依据。
关键词:饮食模式;肠道菌群;高通量测序;调节作用
文章编号:1673-9078(2022)12-183-194 DOI: 10.13982/j.mfst.1673-9078.2022.12.0126
The Regulatory Effect of the Life-prolonging Diet in Guangxi on Human
Gut Microbiota Structure
HAN Kunchen1
, DOU Junxia2
, HUANG Guohong3
, YU Xiaohan1
, LIAO Yanting1
, ZHANG Qinren1
, SONG Yao1
,
MA Jinke1
, LI Quanyang1*
(1.College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China) (2.Department of
Biotechnology Engineering, Taishan Polytechnic, Tai’an 271000, China) (3.College of Agricultural Engineering, Guangxi
Vocational & Technical College, Nanning 530226, China)
Abstract: The effects of the established life-prolonging diet on human gut microbiota in Guangxi were investigated in this study. A total of
14 volunteers were screened and required to follow this diet for two weeks with high levels of compliance. Fecal samples were collected before
and after the dietary intervention and analyzed using 16S rDNA high-throughput sequencing. The results show that the gut microbiota diversity
of volunteers changed in multiple respects after the dietary intervention. At the phylum level, the relative abundance of TM7 significantly
decreased (from 0.05% to 0.01%), and the relative abundance of Proteobacteria and the ratio of Firmicutes to Bacteroidetes also decreased. At
the genus level, the relative abundance of Coprococcus increased significantly (from 1.04% to 1.39%), while the relative abundance of
Escherichia (from 14.00% to 9.62%), Ruminococcus (from 5.67% to 2.48%), and Megamonas (from 4.06% to 0.04%) significantly decreased.
Redundancy analysis indicated that changes in the gut microbiota were closely related to daily food consumption, with the average daily intake
of vegetables being the most relevant (r
2=0.89, p<0.01). The above results prove that the structure of human gut microbiota in Guangxi could be
引文格式:
韩坤宸,窦君霞,黄国宏,等.广西长寿饮食模式对人体肠道菌群结构的调节作用[J].现代食品科技,2022,38(12):183-194
HAN Kunchen, DOU Junxia, HUANG Guohong, et al. The regulatory effect of the life-prolonging diet in guangxi on human gut
microbiota structure [J]. Modern Food Science and Technology, 2022, 38(12): 183-194
收稿日期:2022-02-09
基金项目:国家自然科学基金面上项目(31871802);广西中青年教师基础能力提升项目(2017KY0978)
作者简介:韩坤宸(1996-),女,硕士研究生,研究方向:食品营养与肠道健康,E-mail:ishankunchen@163.com
通讯作者:李全阳(1964-),男,博士,教授,研究方向:食品营养与健康长寿,E-mail:liquanyang@gxu.edu.cn