PMID- 33836437
OWN - NLM
STAT- MEDLINE
DCOM- 20210504
LR  - 20210504
IS  - 1095-8630 (Electronic)
IS  - 0301-4797 (Linking)
VI  - 289
DP  - 2021 Jul 1
TI  - Ureolytic bacteria from electronic waste area, their biological robustness 
      against potentially toxic elements and underlying mechanisms.
PG  - 112517
LID - S0301-4797(21)00579-X [pii]
LID - 10.1016/j.jenvman.2021.112517 [doi]
AB  - Ureolytic bacteria can be a promising mediator used for the immobilization of 
      potentially toxic elements via microbially-induced carbonate precipitation (MICP) 
      process from biodegradable ions to carbonate form. Electronic waste (E-waste) 
      environment is very complex compared to general metal contaminated soil, however, 
      MICP has not been studied under such an environment. In this study, three 
      bacterial strains were successfully isolated from an E-waste area in Guiyu, 
      China, and indicated to have positive ureolytic behavior with significant heavy 
      metal resistance (specific to Cu and Pb), among which, a strain of Lysinibacillus 
      sp. was proven to show a great persistence in heavy metal immobilization. This 
      featured strain can tolerate up to 100 ppm copper and 1000 ppm lead according to 
      minimal inhibitory concentration (MIC) results, and its urease activity was 
      well-adapted to metal effects. Results also revealed the positive correlation 
      (R(2) = 0.9819) between metal concentrations and surface layer protein content 
      present in bacterial cells. The underlying mechanism on the role of S-layer 
      protein in heavy metal immobilization during biocalcification was elucidated. The 
      metabolic system of heavy metal resistance for these E-waste derived isolates is 
      novel and represents a point of interest for possible environmental applications 
      to immobilize toxic heavy metals from electronic waste sites.
CI  - Copyright (c) 2021 Elsevier Ltd. All rights reserved.
FAU - Li, Weila
AU  - Li W
AD  - Environmental Engineering Program, Guangdong Technion - Israel Institute of 
      Technology, Shantou, 515063, China; Department of Biotechnology and Food 
      Engineering, Technion - Israel Institute of Technology, Haifa, 3200003, Israel.
FAU - Fishman, Ayelet
AU  - Fishman A
AD  - Department of Biotechnology and Food Engineering, Technion - Israel Institute of 
      Technology, Haifa, 3200003, Israel.
FAU - Achal, Varenyam
AU  - Achal V
AD  - Environmental Engineering Program, Guangdong Technion - Israel Institute of 
      Technology, Shantou, 515063, China. Electronic address: 
      varenyam.achal@gtiit.edu.cn.
LA  - eng
PT  - Journal Article
DEP - 20210406
PL  - England
TA  - J Environ Manage
JT  - Journal of environmental management
JID - 0401664
RN  - 0 (Metals, Heavy)
RN  - 0 (Soil)
RN  - 0 (Soil Pollutants)
SB  - IM
MH  - Bacteria/genetics
MH  - China
MH  - *Electronic Waste
MH  - *Metals, Heavy
MH  - Soil
MH  - *Soil Pollutants/toxicity
OTO - NOTNLM
OT  - Bioremediation
OT  - Lysinibacillus sp
OT  - Microbial carbonate
OT  - S-layer protein
OT  - Urease
EDAT- 2021/04/10 06:00
MHDA- 2021/05/05 06:00
CRDT- 2021/04/09 20:18
PHST- 2020/12/01 00:00 [received]
PHST- 2021/03/02 00:00 [revised]
PHST- 2021/03/29 00:00 [accepted]
PHST- 2021/04/10 06:00 [pubmed]
PHST- 2021/05/05 06:00 [medline]
PHST- 2021/04/09 20:18 [entrez]
AID - S0301-4797(21)00579-X [pii]
AID - 10.1016/j.jenvman.2021.112517 [doi]
PST - ppublish
SO  - J Environ Manage. 2021 Jul 1;289:112517. doi: 10.1016/j.jenvman.2021.112517. Epub 
      2021 Apr 6.