Exopolymeric substances production by Bacillus cereus KMS3-1 enhanced its biosorption efficiency in removing Cd(2+)and Pb2+ in single and binary metal mixtures

doi:10.1016/j.envres.2023.115917

IOCAS-IR

	Exopolymeric substances production by Bacillus cereus KMS3-1 enhanced its biosorption efficiency in removing Cd(2+)and Pb2+ in single and binary metal mixtures
	Mathivanan, Krishnamurthy 1; Chandirika, Jayaraman Uthaya 2; Srinivasan, Rajendran 3; Charles, Partheeban Emmanuel 4; Rajaram, Rajendran 4; Zhang, Ruiyong 1
	2023-07-01
发表期刊	ENVIRONMENTAL RESEARCH
ISSN	0013-9351
卷号	228 页码:10
通讯作者	Mathivanan, Krishnamurthy(kritamathi@gmail.com) ; Zhang, Ruiyong(ruiyong.zhang@qdio.ac.cn)
摘要	The present study investigated the growth, exopolymeric substance (EPS) production, and biosorption efficiency of strain Bacillus cereus KMS3-1 in the Cd2+ and Pb2+ ions containing single and binary metal-treated broth (50 mg/L). In addition, the interaction of the KMS3-1 strain with Cd2+ and Pb2+ ions in single and binary metal-treated broths was investigated using SEM-EDS, FTIR, and XRD analyses. The results showed that the bio-sorption efficiency (%) and EPS production of KMS3-1 biomass in both single and binary metal-treated broths had increased with increasing incubation time and were higher for Pb2+ ions than for Cd2+ ions. In the single and binary metal-treated broths, the maximum biosorption efficiency of KMS3-1 for Pb2+ ions were 70.8% and 46.3%, respectively, while for Cd2+ ions, they were 29.3% and 16.8%, respectively, after 72 h. Moreover, the biosorption efficiency of strain KMS3-1 for both metal ions was dependent on its EPS production and peaked at the maximum EPS production. The copious EPS production by KMS3-1 was observed in metal-treated media (50 mg/L), in the following order: Pb2+ ions (1925.7 mu g/mL) > binary metal mixtures (1286.8 mu g/mL) > Cd2+ ions (1185.5 mu g/mL), > control (1099 mu g/mL) after 72 h of incubation. This result indicates that the metal biosorption efficiency of the KMS3-1 strain was enhanced by the increased EPS production in the surrounding metal-treated broth. SEM-EDS and FTIR characterization studies revealed that the KMS3-1 biomass effectively adsorbed Cd2+ and Pb2+ ions from the medium by interacting with their surface functional groups (hydroxyl, carbonyl, carboxyl, amide, and phosphate). Moreover, the biosorbed Cd2+ and Pb2+ ions were transformed into CdS and PbS, respectively, by the KMS3-1 biomass. This study suggests that the Bacillus cereus KMS3-1 strain may be a promising candidate for the treatment of metal contamination.
关键词	Bacteria Growth EPS production Biosorption efficiency Single and binary metal mixtures Functional groups
DOI	10.1016/j.envres.2023.115917
收录类别	SCI
语种	英语
资助项目	Post-doctoral research plan at the Institute of Oceanology, Chinese Academy of Sciences, China[329010]
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
WOS类目	Environmental Sciences ; Public, Environmental & Occupational Health
WOS记录号	WOS:000990654400001
出版者	ACADEMIC PRESS INC ELSEVIER SCIENCE
WOS关键词	HEAVY-METALS ; BACTERIA ; CADMIUM ; LEAD ; RESISTANT ; EXOPOLYSACCHARIDE ; TOXICITY ; DETOXIFICATION ; URANIUM ; CR(VI)
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/182988
专题	中国科学院海洋研究所
通讯作者	Mathivanan, Krishnamurthy; Zhang, Ruiyong
作者单位	1.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China 2.Manonmaniam Sundaranar Univ, Sri Paramakalyani Ctr Excellence Environm Sci, Environm Nanotechnol Div, Alwarkurichi 627412, Tamil Nadu, India 3.Alagappa Univ, Sch Marine Sci, Dept Fisheries Sci, Karaikkudi 630003, Tamil Nadu, India 4.Bharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, India
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Mathivanan, Krishnamurthy,Chandirika, Jayaraman Uthaya,Srinivasan, Rajendran,et al. Exopolymeric substances production by Bacillus cereus KMS3-1 enhanced its biosorption efficiency in removing Cd(2+)and Pb2+ in single and binary metal mixtures[J]. ENVIRONMENTAL RESEARCH,2023,228:10.
APA	Mathivanan, Krishnamurthy,Chandirika, Jayaraman Uthaya,Srinivasan, Rajendran,Charles, Partheeban Emmanuel,Rajaram, Rajendran,&Zhang, Ruiyong.(2023).Exopolymeric substances production by Bacillus cereus KMS3-1 enhanced its biosorption efficiency in removing Cd(2+)and Pb2+ in single and binary metal mixtures.ENVIRONMENTAL RESEARCH,228,10.
MLA	Mathivanan, Krishnamurthy,et al."Exopolymeric substances production by Bacillus cereus KMS3-1 enhanced its biosorption efficiency in removing Cd(2+)and Pb2+ in single and binary metal mixtures".ENVIRONMENTAL RESEARCH 228(2023):10.