Development of the yeast and lactic acid bacteria co-culture agent for atmospheric ammonia removing: Genomic features and on-site applications

被引:6
|
作者
Zhang, Yanfang [1 ,5 ]
Dai, Zhimin [2 ,6 ]
Zhou, Zhicheng [3 ]
Yin, Huaqun [1 ,5 ]
Zhang, Min [1 ,5 ]
Zhang, Hetian [1 ,5 ]
Liu, Yongjun [3 ]
Li, Qian [1 ,5 ]
Nan, Xiaolong [4 ]
Liu, Xueduan [1 ,5 ]
Meng, Delong [1 ,5 ]
机构
[1] Cent South Univ, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China
[2] Cent South Water Sci & Technol Co Ltd, Changsha 410001, Peoples R China
[3] Hunan Tobacco Sci Inst, Changsha 410010, Peoples R China
[4] 306 Bridge Hunan Nucl Geol, Changsha 410083, Peoples R China
[5] Cent South Univ, Minist Educ, Key Lab Biomet, Changsha 410083, Peoples R China
[6] Natl City Water Supply Water Qual Monitoring Netw, Changsha 410001, Peoples R China
基金
中国国家自然科学基金;
关键词
Atmospheric ammonia; Bio-purification; Yeast and lactic acid bacteria co-culture agents; On-site application; Genomic features; SACCHAROMYCES-CEREVISIAE; TRANSCRIPTOME ANALYSIS; NITROGEN REMOVAL; MICROBIAL AGENT; AIR; GENE; FERMENTATION; OPTIMIZATION; PURIFICATION; ASSIMILATION;
D O I
10.1016/j.ecoenv.2021.112287
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Odorous gas (e.g. atmospheric ammonia) in low ventilation public places, such as public toilets and waste transfer stations, causes severe health problems. Many technologies are developed to purify the atmospheric ammonia, among which the microbial agents are supposed to be a green and economical approach. In this study, we developed a yeast, Pichia sp. J1, and a lactic acid bacterium (LAB), Lactobacillus paracasei B1, co-culture agent for atmospheric ammonia removing. The on-site application results indicated the yeast and LAB mixed fermented agent had a maximum ammonia removing efficiency of 98.78%, which is significantly higher than the pure cultures (78.93% for B1 and 75.00% for J1), indicating the co-culture agent is an excellent biological product for ammonia removal. The excellent performance of the agent is closely related to the synergy behaviors between the yeast and LAB. In the co-culture agents, some of the LAB cells adhered closely to the yeast, and the growth and lactic acid producing ability of LAB were significantly promoted by yeast. Genomic analysis indicated the complementary of nutrients, i.e. carbon and nitrogen resources, signal transduction, and adhesion proteins (regulates adhesion behavior) played roles in regulating the synergy effects. Our study offers a novel biological solution of odorous gas purification.
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页数:9
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