Isolation of protein-free chitin spore coats of Nosema ceranae and its application to screen the interactive spore wall proteins
- 28 February 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Archiv für Mikrobiologie
- Vol. 203 (5), 2727-2733
- https://doi.org/10.1007/s00203-021-02214-9
Abstract
Nosema ceranae is the pathogen of nosemosis in the honey bee, which can bring great economic loss to apiculture. Chitin acts as a major component of the endospore of microsporidia and plays an essential role to form the bridges across the endospore. Here, Chitin Spore Coats (CSCs) of N. ceranae were successfully extracted by optimized hot alkaline treatment. SDS-PAGE and Calcofluor White Stain (CWS) staining indicated that the obtained CSCs were protein-free and the transmission electron microscopy analysis showed that CSCs performed the intact and loose chitin spore coats. Western blotting and indirect immunofluorescence analysis (IFA) demonstrated that CSCs could interact with three spore wall proteins (rNcSWP7, rNcSWP8, and rNcSWP12). Our method was effective to extract CSCs of N. ceranae and this could be very useful for screening spore wall proteins involved in endospore composition, which could be helpful to uncover the biological structure and pathogenesis of microsporidia.Keywords
Funding Information
- National Natural Science Foundation of China (31770160)
- Agriculture Research System of China (CARS-44-KXJ21)
- Chongqing Basic Science and Advanced Technology Research Program (No.cstc2018jcyjAX0832)
- the Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN201800524)
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