PMID- 34428120 OWN - NLM STAT- MEDLINE DCOM- 20220111 LR - 20220111 IS - 1949-0984 (Electronic) IS - 1949-0976 (Print) IS - 1949-0976 (Linking) VI - 13 IP - 1 DP - 2021 Jan-Dec TI - Imaging the in vivo growth patterns of bacteria in human gut Microbiota. PG - 1960134 LID - 10.1080/19490976.2021.1960134 [doi] LID - 1960134 AB - How to study the unculturable bacteria in the laboratory is one of the major challenges in human gut microbiota research. The resulting lack of microbiology knowledge of this "dark matter" greatly hinders further understanding of our gut microbiota. Here, to characterize the in vivo growth and division of human gut bacteria, we report the integrative use of STAMP (sequential tagging with D-amino acid-based metabolic probes) and fluorescence in situ hybridization (FISH) in a human microbiota-associated mouse model. After stable colonization of the human fecal microbiotas in germ-free mice, two fluorescent D-amino acid probes were sequentially administered by gavage, and the dually labeled peptidoglycan of the bacteria provided a chronological recording of their cell wall syntheses. Following taxonomic identification with FISH staining, the growth patterns of 32 species, including 5 currently unculturables, were identified. Surprisingly, we found that many bacterial species in the human microbiota were significantly shorter than those in the mouse gut microbiota. An imaging database for gut bacteria ΜΆ Microbiome Atlas was built for summarizing STAMP imaging of bacteria from different microbiotas, which can be contributed by the microbiota research community worldwide. This integrative imaging strategy and the database will promote our understanding of the bacterial cytology in gut microbiotas and facilitate communications among cellular microbiologists. FAU - Lin, Liyuan AU - Lin L AUID- ORCID: 0000-0002-9202-0652 AD - Institute of Molecular Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Song, Jia AU - Song J AD - Institute of Molecular Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Li, Jian AU - Li J AD - Institute of Immunology, PLA, Third Military Medical University, Chongqing, China. FAU - Zuo, Xiaolei AU - Zuo X AD - Institute of Molecular Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Wei, Hong AU - Wei H AD - Central Laboratory, Clinical Medicine Scientific and Technical Innovation Park, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China. AD - State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, P. R. China. FAU - Yang, Chaoyong AU - Yang C AUID- ORCID: 0000-0002-2374-5342 AD - Institute of Molecular Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. AD - The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Key Laboratory for Chemical Biology of Fujian Province State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China. FAU - Wang, Wei AU - Wang W AUID- ORCID: 0000-0002-5539-4532 AD - Institute of Molecular Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Gut Microbes JT - Gut microbes JID - 101495343 RN - 0 (Fluorescent Dyes) SB - IM MH - Animals MH - Bacteria/*classification/*growth & development MH - Cecum/microbiology MH - Fluorescent Dyes MH - Gastrointestinal Microbiome/*physiology MH - Germ-Free Life MH - Humans MH - In Situ Hybridization, Fluorescence/*methods MH - Mice MH - Mice, Inbred BALB C MH - Optical Imaging/*methods MH - Staining and Labeling PMC - PMC8386752 OTO - NOTNLM OT - D-amino acids OT - FISH OT - Human gut microbiota OT - Microbiome Atlas OT - STAMP OT - bacterial division patterns OT - fluorescence imaging OT - metabolic labeling OT - peptidoglycan COIS- The authors declare no competing interests. EDAT- 2021/08/25 06:00 MHDA- 2022/01/12 06:00 PMCR- 2021/08/24 CRDT- 2021/08/24 17:15 PHST- 2021/08/24 17:15 [entrez] PHST- 2021/08/25 06:00 [pubmed] PHST- 2022/01/12 06:00 [medline] PHST- 2021/08/24 00:00 [pmc-release] AID - 1960134 [pii] AID - 10.1080/19490976.2021.1960134 [doi] PST - ppublish SO - Gut Microbes. 2021 Jan-Dec;13(1):1960134. doi: 10.1080/19490976.2021.1960134.