da Silva Santos Ana Carolina, Jensen José Ricardo, de Oliveira Silvio Luis, Rodrigues Josias
Department of Microbiology and Immunology, Institute of Biosciences of the State University of São Paulo (UNESP), Campus de Rubião Junior, Botucatu, SP 18618-961 Brazil.
Laboratory of Immunogenetics, Butantan Institute, Av. Dr. Vital Brazil 1500, São Paulo, SP 05503-900 Brazil.
Gut Pathog. 2017 Aug 7;9:43. doi: 10.1186/s13099-017-0193-x. eCollection 2017.
Dysbiosis is linked to the cause of several human diseases, many of which having an immunity related component. This work investigated whether mice genetically selected for low or high antibody production display differences in intestinal bacterial communities, and consisted in the comparison of fecal 16SV6-V8 rDNA PCR amplicons resolved by temperature gradient gel electrophoresis (TGGE) of five each of low (LIII) and high (HIII) antibody producing mice. 16SV6 rDNA amplicons of 2 mice from each line were sequenced.
LIII mice were grouped in a single TGGE cluster, displayed a low α-diversity, and were distinguished by low Firmicutes/Bacteroidetes ratio.
The results suggest that genetically driven low antibody production in mice is associated with gut dysbiosis.
微生物群落失调与多种人类疾病的病因相关,其中许多疾病具有免疫相关成分。本研究调查了基因选择为低抗体产生或高抗体产生的小鼠在肠道细菌群落上是否存在差异,包括对五只低抗体产生(LIII)小鼠和五只高抗体产生(HIII)小鼠的粪便16S V6 - V8 rDNA PCR扩增子进行温度梯度凝胶电泳(TGGE)分析,并对每个品系的两只小鼠的16S V6 rDNA扩增子进行测序。
LIII小鼠聚集在一个单一的TGGE簇中,显示出低α多样性,且以低厚壁菌门/拟杆菌门比例为特征。
结果表明,小鼠中基因驱动的低抗体产生与肠道微生物群落失调有关。