Sphingosinicella humi sp. nov., isolated from arsenic-contaminated farmland soil and emended description of the genus Sphingosinicella

Qiao, Zixu; Cao, Min; Wang, Dan; Liao, Shuijiao; Wang, Gejiao

doi:10.1099/ijsem.0.003186

Cited by 14 publications

(11 citation statements)

References 22 publications

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“…Proteobacteria contain species that have been widely reported to be involved in heavy metal resistance, biosorption, or biotransformation. Sphingosinicella have been reported to be resistant to As ( Qiao et al, 2019 ). Previous studies have shown that Sphingomonas were widespread and relatively abundant in heavy metal/metalloid-contaminated soils due to long-term smelting and mining operations ( Guo et al, 2017 ; Wang et al, 2017 ; Kasemodel et al, 2019 ; Li et al, 2020b ).…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies have demonstrated that heavy metal/metalloid pollution causes a change of microbial species, and tolerant microorganisms would replace more susceptible microorganisms and increase in abundance ( Guo et al, 2017 ; Li et al, 2020b ). Many microorganisms tolerant to heavy metals/metalloids can remove heavy metals from contaminated soil or convert them to less toxic forms ( Zakaria et al, 2007 ; Khan et al, 2016 ; Bilal et al, 2018 ; Qiao et al, 2019 ). Bioremediation has been considered as a promising eco-friendly and sustainable method for heavy metal pollution remediation ( Teng and Chen, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

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Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

Wang²,

Liu³

et al. 2021

Front. Microbiol.

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Microorganisms play a fundamental role in biogeochemical cycling and are highly sensitive to environmental factors, including the physiochemical properties of the soils and the concentrations of heavy metals/metalloids. In this study, high-throughput sequencing of the 16S rRNA gene was used to study the microbial communities of farmland soils in farmland in the vicinity of a lead–zinc smelter. Proteobacteria, Acidobacteria, Actinobacteria, Bacteroidetes, and Gemmatimonadetes were the predominant phyla in the sites of interest. Sphingomonas, Gemmatimonas, Lysobacter, Flavisolibacter, and Chitinophaga were heavy metal-/metalloid-tolerant microbial groups with potential for bioremediation of the heavy metal/metalloid contaminated soils. However, the bacterial diversity was different for the different sites. The contents of heavy metal/metalloid species and the soil properties were studied to evaluate the effect on the soil bacterial communities. The Mantel test revealed that soil pH, total cadmium (T-Cd), and available arsenic played a vital role in determining the structure of the microbial communities. Further, we analyzed statistically the heavy metals/metalloids and the soil properties, and the results revealed that the microbial richness and diversity were regulated mainly by the soil properties, which correlated positively with organic matter and available nitrogen, while available phosphorus and available potassium were negatively correlated. The functional annotation of the prokaryotic taxa (FAPROTAX) method was used to predict the function of the microbial communities. Chemoheterotrophy and airborne chemoheterotrophy of the main microbial community functions were inhibited by soil pH and the heavy metals/metalloids, except in the case of available lead. Mantel tests revealed that T-Cd and available zinc were the dominant factors affecting the functions of the microbial communities. Overall, the research indicated that in contaminated soils, the presence of multiple heavy metals/metalloids, and the soil properties synergistically shaped the structure and function of the microbial communities.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

Wang²,

Liu³

et al. 2021

Front. Microbiol.

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“…Sphingosinicella humi. has white, smooth, circular, convex, and slightly transparent colonies on R2A media (Qiao et al 2007). Sphingosinicella xenopeptidilytica has pale yellow colonies, round and convex.…”

Section: Morphological Observationmentioning

confidence: 99%

“…Catalase enzyme is an enzyme that can catalyze the direct conversion of hydrogen peroxide (H2O2) which is toxic to cells into water and oxygen (Lionel 2016). According to (Qiao et al 2007) Sphingosinicella microcystinivorans JCM 13185T; S. soli KSL-125T, Sphingomonas paucimobilis JCM 7516T had a positive catalase test.…”

Section: Catalase Testmentioning

confidence: 99%

“…Halophilic bacteria are types of microorganisms that can grow optimally in an environment with high salt concentrations by maintaining osmotic balance (Oren 2008). Sphingosinicella humi can grow with 0-0.4% NaCl and grows best without the addition of NaCl and can grow up to 1mM NaAsO2 (Qiao et al 2007). Based on the capacity of A3 to grow on a medium containing NaCl higher than 2%, A3 does not belong to Sphingosinicella xenopeptidilytica (Geueke et al 2007).…”

Section: Resistance To Naclmentioning

confidence: 99%

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A salt tolerant Sphingosinicella microcystinivorans A3 isolated from soil contaminated with mercury in traditional gold mining of Jendi Village, Wonogiri District, Indonesia

2021

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Abstract. Sutami, Purwanto, Rosariastuti R. 2021. A salt tolerant Sphingosinicella microcystinivorans A3 isolated from soil contaminated with mercury in traditional gold mining of Jendi Village, Wonogiri District, Indonesia. Biodiversitas 22: 3785-3791. Isolation and characterization of indigenous bacteria from the soil of traditional gold mining contaminated with mercury is the first step in a series of research to explore and utilize indigenous bacteria in Jendi's area. This study was aimed to determine the characteristics and identity of bacterial isolates from soil of traditional gold mining in Jendi Village, Wonogiri contaminated by mercury. The methods used in this study included bacterial isolation, media preparation, phenotypic identification including; morphological and physiological tests and genotyping tests. The results showed that the bacterial isolate A3 grew optimally in media with the addition of 10% NaCl, at a temperature of 27°C, and pH 9. There were negative reactions to the observations of gram staining, acid production from glucose, indole production, catalase and urease, and positive reactions to oxidation. A neighbor-joining phylogenetic tree based on the 16S rRNA gene sequence showed that the A3 strain was closely related to Sphingosinicella microcystinivorans strain Y2T (JCM 13185T) with 100% Query coverage and a maximum identity of 99.56%.

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Mycoremediation of Heavy Metals and/or Metalloids in Soil

Ray,

Panda,

Panda

et al. 2023

Land Remediation and Management: Bioengineering Strategies

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Sphingosinicella humi sp. nov., isolated from arsenic-contaminated farmland soil and emended description of the genus Sphingosinicella

Cited by 14 publications

References 22 publications

Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

A salt tolerant Sphingosinicella microcystinivorans A3 isolated from soil contaminated with mercury in traditional gold mining of Jendi Village, Wonogiri District, Indonesia

Mycoremediation of Heavy Metals and/or Metalloids in Soil

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