NDLI: Revisiting the Mesosome as a Novel Site of Hydrogen Peroxide Accumulation in Escherichia coli

Content Provider	Springer Nature Link
Author	Xin, Li Lipeng, Yang Jiaju, Qiao Hanqing, Feng Yunhong, Liu Min, Zhang Yuxian, Zhang Hongyu, Li
Copyright Year	2014
Abstract	The major source of endogenous hydrogen peroxide is generally thought to be the respiratory chain of bacteria and mitochondria. In our previous works, mesosome structure was induced in cells during rifampicin effect, and the mesosome formation is always accompanied by excess hydrogen peroxide accumulation in bacterial cells. However, the underlying mechanisms of hydrogen peroxide production and the rationale behind it remain still unknown. Here we report that hydrogen peroxide can specifically accumulate in the mesosome in vitro. Mesosomes were interpreted earlier as artifacts of specific cells under stress through TEM preparation, while, in the current study, mesosomes were shown as intracellular compartments with specific roles and features by using quickly freezing preparation of TEM. Formation of hydrogen peroxide was observed in suspension of mesosomal vesicles by using either a fluorescence-based reporter assay or a histochemical method, respectively. Our investigation provides experimental evidence that mesosomes can be a novel site of hydrogen peroxide accumulation.
Starting Page	549
Ending Page	553
Page Count	5
File Format	PDF
ISSN	03438651
Journal	Current Microbiology
Volume Number	69
Issue Number	4
e-ISSN	14320991
Language	English
Publisher	Springer US
Publisher Date	2014-06-07
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microbiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Microbiology Applied Microbiology and Biotechnology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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