Acknowledgement
This work was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2017R1D1A1B03030037) and also by a NRF grant funded by the Korea government (MSIT) (No. NRF-2020R1A2C100826711). Yoo JY, Yao Z, Lee SJ, and Jeon HS were supported by BK21 four program, MOE, Republic of Korea.
References
- Kho CW, Park SG, Cho S, Lee DH, Myung PK, Park BC. 2005. Confirmation of Vpr as a fbrinolytic enzyme present in extracellular proteins of Bacillus subtilis. Protein Expr. Purif. 39: 1-7. https://doi.org/10.1016/j.pep.2004.08.008
- Chen H, McGowan EM, Ren N, Lal S, Nassif N, Shad-Kaneez F, et al. 2018. Nattokinase: a promising alternative in prevention and treatment of cardiovascular diseases. Biomark. Insights 13: 1177271918785130. https://doi.org/10.1177/1177271918785130
- Uesugi Y, Usuki H, Iwabuchi M, Hatanaka T. 2011. Highly potent fibrinolytic serine protease from Streptomyces. Enzyme Microb. Technol. 48: 7-12. https://doi.org/10.1016/j.enzmictec.2010.08.003
- Danilova L, Sharipova M. 2020. The practical potential of bacilli and their enzymes for industrial production. Front. Microbiol. 11: 1782. https://doi.org/10.3389/fmicb.2020.01782
- Weng Y, Yao J, Sparks S, Wang KY. 2017. Nattokinase: an oral anti-thrombotic agent for the prevention of cardiovascular disease. Int. J. Mol. Sci. 18: 523. https://doi.org/10.3390/ijms18030523
- Kurosawa Y, Nirengi S, Homma T, Esaki K, Ohta M, Clark JF, et al. 2015. A single-dose of oral nattokinase potentiates thrombolysis and anti-coagulation profiles. Sci. Rep. 5: 11601. https://doi.org/10.1038/srep11601
- Mine Y, Wong AHK, Jiang B. 2005. Fibrinolytic enzymes in Asian traditional fermented foods. Food Res. Int. 38: 243-250. https://doi.org/10.1016/j.foodres.2004.04.008
- Jeong SJ, Kwon GH, Chun JY, Kim JS, Park CS, Kwon DY, et al. 2007. Cloning of fibrinolytic enzyme gene from Bacillus subtilis isolated from Cheonggukjang and its expression in protease-deficient Bacillus subtilis strains. J. Microbiol. Biotechnol 17: 1018-1023.
- Kim SH, Choi NS. 2000. Purification and characterization of subtilisin DJ-4 secreted by Bacillus sp. strain DJ-4 screened from Doen-Jang. Biosci. Biotechnol. Biochem. 64: 1722-1725. https://doi.org/10.1271/bbb.64.1722
- Fujita M, Nomura K, Hong K, Ito Y, Asada A, Nishimuro S. 1993. Purification and characterization of a strong fibrinolytic enzyme (nattokinase) in the vegetable cheese natto, a popular soybean fermented food in Japan. Biochem. Biophys. Res. Commun. 197: 1340-1347. https://doi.org/10.1006/bbrc.1993.2624
- Peng Y, Huang Q, Zhang R, Zhang YZ. 2003. Purification and characterization of a fibrinolytic enzyme produced by Bacillus amyloliquefaciens DC-4 screened from douchi, a traditional Chinese soybean food. Comp. Biochem. Physiol. Biochem. Mol. Biol. 134: 45-52. https://doi.org/10.1016/S1096-4959(02)00183-5
- Rabbee MF, Ali MS, Choi J, Hwang BS, Jeong SC, Baek KH. 2019. Bacillus velezensis: a valuable member of bioactive molecules within plant microbiomes. Molecules 24: 1046. https://doi.org/10.3390/molecules24061046
- Koo OK, Lee SJ, Chung KR, Jang DJ, Yang HJ, Kwon DY. 2016. Korean traditional fermented fish products: jeotgal. J. Ethn. Foods 3: 107-116. https://doi.org/10.1016/j.jef.2016.06.004
- Astrup T, Mullertz S. 1952. The fibrin plate method for estimating fibrinolytic activity. Arch. Biochem. Biophys. 40: 346-351. https://doi.org/10.1016/0003-9861(52)90121-5
- Kwon GH, Lee HA, Park JY, Kim JS, Lim J, Park CS, et al. 2009. Development of a RAPD-PCR method for identification of Bacillus species isolated from cheonggukjang. Int. J. Food Microbiol. 129: 282-287. https://doi.org/10.1016/j.ijfoodmicro.2008.12.013
- Kim GM, Lee AR, Lee KW, Park JY, Chun J, Cha J, et al. 2009. Characterization of a 27 kDa fibrinolytic enzyme from Bacillus amyloliquefaciens CH51 isolated from cheonggukjang. J. Microbiol. Biotechnol. 19: 997-1004. https://doi.org/10.4014/jmb.0811.600
- Sambrook J, Russell DW. 2001. Molecular cloning a laboratory manual, chapter 5. 3rd Ed. pp. 1-90. Cold Spring Harbor laboratory Press, Cold Spring harbor, New York.
- Choi NS, Chung DM, Park CS, Ahn KH, Kim JS, Song JJ, et al. 2010. Expression and identification of a minor extracellular fibrinolytic enzyme (Vpr) from Bacillus subtilis KCTC 3014. Biotechnol. Bioprocess Eng. 15: 446-452. https://doi.org/10.1007/s12257-009-0191-z
- Choi NS, Chung DM, Ryu CH, Yoon KS, Maeng PJ, Kim SH. 2006. Identification of three extracellular proteases from Bacillus subtilis KCTC 3014. J. Microbiol. Biotechnol. 16: 457-464.
- Yao Z, Meng Y, Le HG, Lee SJ, Jeon HS, Yoo JY, et al. 2020. Cloning of a novel vpr gene encoding a minor fibrinolytic enzyme from Bacillus subtilis SJ4 and the properties of Vpr. J. Microbiol. Biotechnol. 30: 1720-1728. https://doi.org/10.4014/jmb.2006.06014
- Wu XC, Lee W, Tran L, Wong SL. 1991. Engineering a Bacillus subtilis expression-secretion system with a strain deficient in six extracellular proteases. J. Bacteriol. 173: 4952-4958. https://doi.org/10.1128/jb.173.16.4952-4958.1991
- Dabbagh F, Negahdaripour M, Berenjian A, Behfar A, Mohammadi F, Zamani M, et al. 2014. Nattokinase: production and application. Appl. Microbiol. Biotechnol. 98: 9199-9206. https://doi.org/10.1007/s00253-014-6135-3
- Peng Y, Yang X, Zhang Y. 2005. Microbial fibrinolytic enzymes: an overview of source, production, properties, and thrombolytic activity in vivo. Appl. Microbiol. Biotechnol. 69: 126-132. https://doi.org/10.1007/s00253-005-0159-7