气候变化领域集成服务门户(CCPortal): Calcium carbonate precipitation by cave bacteria isolated from Kashmir Cave, Khyber Pakhtunkhwa, Pakistan

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DOI	10.1002/jemt.24105
	Calcium carbonate precipitation by cave bacteria isolated from Kashmir Cave, Khyber Pakhtunkhwa, Pakistan
	Jan, Saeed Ullah; Zada, Sahib; Rafiq, Muhammad; Khan, Imran; Sajjad, Wasim; Khan, Muhammad Anwar; Hasan, Fariha
通讯作者	Hasan, F (通讯作者)，Quaid I Azam Univ, Dept Microbiol, Islamabad 45320, Pakistan.
发表日期	2020
ISSN	1059-910X
EISSN	1097-0029
英文摘要	The participation of numerous physicochemical and biological functions maintains the evolution and expansion of the remarkable nature. Due to its vast applicability in several engineering disciplines, naturally occurring bio-mineralization or microbially induced calcium carbonate (MICP) precipitation is attracting more interest. Cave bacteria contribute to the precipitation of calcium carbonate (CaCO3). In the present study, soil sediments were collected from Kashmir cave, KPK, Pakistan, and plated on B4 specific nutrients limited medium for bacterial isolation and the viable bacterial count was calculated. Three bacterial strains named GSN-11, TFSN-14, and TFSN-15 were capable of precipitating CaCO3. These bacterial isolates were identified through 16S rRNA gene sequencing and strain GSN-11 was identified as Bacillus toyonensis, TFSN-14 as Paracoccus limosus and TFSN-15 as Brevundimonas diminuta. Enhanced CaCO3 precipitation potential of these bacteria strains was observed at 25 degrees C and pH 5. The precipitated CaCO3 was confirmed by scanning electron microscopy, X-ray powder diffraction, and Fourier transform infra-red spectroscopy. The findings showed that the precipitates were dominated by calcite, aragonite, and nanosize vaterite. Current research suggests that precipitation of CaCO3 by proteolytic cave bacteria is widespread in Kashmir cave and these bacterial communities can actively contribute to the formation of CaCO3 by enhancing the pH of the microenvironment.
关键词	ACID-MINE DRAINAGE OXIDIZING BACTERIA COPPER MINE BIOMINERALIZATION INVOLVEMENT ANHYDRASE PROSPECTS
英文关键词	calcium carbonate precipitation; culturable cave bacteria; Kashmir cave; vaterite
语种	英语
WOS研究方向	Anatomy & Morphology ; Life Sciences & Biomedicine - Other Topics ; Microscopy
WOS类目	Anatomy & Morphology ; Biology ; Microscopy
WOS记录号	WOS:000781045100001
来源期刊	MICROSCOPY RESEARCH AND TECHNIQUE
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254337
作者单位	[Jan, Saeed Ullah; Khan, Imran; Hasan, Fariha] Quaid I Azam Univ, Dept Microbiol, Islamabad 45320, Pakistan; [Zada, Sahib] Guangdong Technion Israel Inst Technol, Dept Environm Engn, Shantou, Peoples R China; [Rafiq, Muhammad] Balochistan Univ IT Engn & Management Sci, Dept Microbiol, Quetta, Pakistan; [Sajjad, Wasim] Chinese Acad Sci, State Key Lab Cryospher Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou, Peoples R China; [Khan, Muhammad Anwar] Univ Buner, Dept Works Civil, Buner, Pakistan
推荐引用方式 GB/T 7714	Jan, Saeed Ullah,Zada, Sahib,Rafiq, Muhammad,et al. Calcium carbonate precipitation by cave bacteria isolated from Kashmir Cave, Khyber Pakhtunkhwa, Pakistan[J]. 中国科学院西北生态环境资源研究院,2020.
APA	Jan, Saeed Ullah.,Zada, Sahib.,Rafiq, Muhammad.,Khan, Imran.,Sajjad, Wasim.,...&Hasan, Fariha.(2020).Calcium carbonate precipitation by cave bacteria isolated from Kashmir Cave, Khyber Pakhtunkhwa, Pakistan.MICROSCOPY RESEARCH AND TECHNIQUE.
MLA	Jan, Saeed Ullah,et al."Calcium carbonate precipitation by cave bacteria isolated from Kashmir Cave, Khyber Pakhtunkhwa, Pakistan".MICROSCOPY RESEARCH AND TECHNIQUE (2020).