US Immigration Westernizes the Human Gut Microbiome.

US Immigration Westernizes the Human Gut Microbiome.
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美国移民对人类肠道微生物组进行了西化。

DOI:
10.1016/j.cell.2018.10.029
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发表时间:
2018-11-01
期刊:
影响因子:
64.5
通讯作者:
Knights D
Knights D
中科院分区:
生物学1区
文献类型:
--
作者:
Vangay P;Johnson AJ;Ward TL;Al-Ghalith GA;Shields-Cutler RR;Hillmann BM;Lucas SK;Beura LK;Thompson EA;Till LM;Batres R;Paw B;Pergament SL;Saenyakul P;Xiong M;Kim AD;Kim G;Masopust D;Martens EC;Angkurawaranon C;McGready R;Kashyap PC;Culhane-Pera KA;Knights D

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许多美国移民人口在移民后患上代谢性疾病,但原因尚不清楚。虽然微生物组在代谢疾病中发挥作用,但还没有研究测量美国移民对肠道微生物组的影响。我们收集了生活在泰国和美国的514名苗族和克伦族人的粪便、饮食回忆和人体测量数据,包括第一代和第二代移民以及移民前后取样的19名克伦人,以及来自36个美国-出生于欧洲的美国人。使用16 S和深度鸟枪宏基因组DNA测序,我们发现从非西方国家迁移到美国与肠道微生物组多样性和功能的立即丧失有关,其中美国-相关菌株和功能取代天然菌株和功能。这些影响随着在美国居住的时间而增加,并因肥胖和跨代而加剧。
Many United States immigrant populations develop metabolic diseases post-immigration, but the causes are not well understood. Although the microbiome plays a role in metabolic disease, there have been no studies measuring the effects of U.S. immigration on the gut microbiome. We collected stool, dietary recalls, and anthropometrics from 514 Hmong and Karen individuals living in Thailand and the U.S., including first- and second-generation immigrants and 19 Karen individuals sampled before and after immigration, as well as from 36 U.S.-born European American individuals. Using 16S and deep shotgun metagenomic DNA sequencing, we found that migration from a non-Western country to the U.S. is associated with immediate loss of gut microbiome diversity and function, in which U.S.-associated strains and functions displace native strains and functions. These effects increase with duration of U.S. residence, and are compounded by obesity and across generations.
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