PMID- 34675302
OWN - NLM
STAT- MEDLINE
DCOM- 20220128
LR  - 20230207
IS  - 2045-2322 (Electronic)
IS  - 2045-2322 (Linking)
VI  - 11
IP  - 1
DP  - 2021 Oct 21
TI  - Influence of native ureolytic microbial community on biocementation potential of 
      Sporosarcina pasteurii.
PG  - 20856
LID - 10.1038/s41598-021-00315-5 [doi]
LID - 20856
AB  - Microbially induced calcium carbonate precipitation (MICP)/Biocementation has 
      emerged as a promising technique for soil engineering applications. There are 
      chiefly two methods by which MICP is applied for field applications including 
      biostimulation and bioaugmentation. Although bioaugmentation strategy using 
      efficient ureolytic biocementing culture of Sporosarcina pasteurii is widely 
      practiced, the impact of native ureolytic microbial communities (NUMC) on CaCO(3) 
      mineralisation via S. pasteurii has not been explored. In this paper, we 
      investigated the effect of different concentrations of NUMC on MICP kinetics and 
      biomineral properties in the presence and absence of S. pasteurii. Kinetic 
      analysis showed that the biocementation potential of S. pasteurii is sixfold 
      higher than NUMC and is not significantly impacted even when the concentration of 
      the NUMC is eight times higher. Micrographic results revealed a quick rate of 
      CaCO(3) precipitation by S. pasteurii leading to generation of smaller CaCO(3) 
      crystals (5-40 microm), while slow rate of CaCO(3) precipitation by NUMC led to 
      creation of larger CaCO(3) crystals (35-100 microm). Mineralogical results showed the 
      predominance of calcite phase in both sets. The outcome of current study is 
      crucial for tailor-made applications of MICP.
CI  - (c) 2021. The Author(s).
FAU - Murugan, Raja
AU  - Murugan R
AD  - Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology 
      Madras, Chennai, 600036, India.
AD  - School of Civil and Mechanical Engineering, Curtin University, Perth, WA, 6102, 
      Australia.
FAU - Suraishkumar, G K
AU  - Suraishkumar GK
AD  - Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology 
      Madras, Chennai, 600036, India.
FAU - Mukherjee, Abhijit
AU  - Mukherjee A
AD  - School of Civil and Mechanical Engineering, Curtin University, Perth, WA, 6102, 
      Australia.
FAU - Dhami, Navdeep K
AU  - Dhami NK
AD  - School of Civil and Mechanical Engineering, Curtin University, Perth, WA, 6102, 
      Australia. navdeep.dhami@curtin.edu.au.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20211021
PL  - England
TA  - Sci Rep
JT  - Scientific reports
JID - 101563288
RN  - H0G9379FGK (Calcium Carbonate)
RN  - Sporosarcina pasteurii
SB  - IM
MH  - Calcium Carbonate/*metabolism
MH  - Chemical Precipitation
MH  - Crystallization
MH  - Kinetics
MH  - Microbiota
MH  - Sporosarcina/*metabolism
PMC - PMC8531298
COIS- The authors declare no competing interests.
EDAT- 2021/10/23 06:00
MHDA- 2022/01/29 06:00
PMCR- 2021/10/21
CRDT- 2021/10/22 06:21
PHST- 2021/07/05 00:00 [received]
PHST- 2021/09/14 00:00 [accepted]
PHST- 2021/10/22 06:21 [entrez]
PHST- 2021/10/23 06:00 [pubmed]
PHST- 2022/01/29 06:00 [medline]
PHST- 2021/10/21 00:00 [pmc-release]
AID - 10.1038/s41598-021-00315-5 [pii]
AID - 315 [pii]
AID - 10.1038/s41598-021-00315-5 [doi]
PST - epublish
SO  - Sci Rep. 2021 Oct 21;11(1):20856. doi: 10.1038/s41598-021-00315-5.