Occurrence of Methanogenic Archaea in Highly Polluted Sediments of Tropical Santos–São Vicente Estuary (São Paulo, Brazil)

Saia, Flávia Talarico; Domingues, Mércia Regina; Pellizari, Vivian H.; Vazoller, Rosana Filomena

doi:10.1007/s00284-009-9503-y

Cited by 14 publications

(5 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The archaeal communities in the sediments of tropical, subtropical and temperate estuaries were dominated by uncultivated archaeal groups, such as MG-I predominant at the near-surface sediments, while MCG distributed throughout the vertical level of the sediment cores (Vieira et al, 2007; Singh et al, 2010; Webster et al, 2010; Jiang et al, 2011). Studies on Pearl River (China) and Santos-Sao Vicente (Brazil) revealed obvious SMTZs in the sediment cores (Saia et al, 2009; Jiang et al, 2011). ANME group ANME-2 was supposed to be the main group with AOM functions in Pearl River estuarine sediment (Jiang et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Stratified active archaeal communities in the sediments of Jiulong River estuary, China

Li¹,

Wang²,

Chen³

et al. 2012

Front. Microbio.

View full text Add to dashboard Cite

Here the composition of total and active archaeal communities in a sediment core of Jiulong River estuary at Fujian Province, Southern China was reported. Profiles of CH4 and SO2−4 concentrations from the sediment core indicated the existence of a sulfate-methane transition zone (SMTZ) in which sulfate reduction-coupled anaerobic oxidation of methane (AOM) occurs. Accordingly, three sediment layers (16–18.5 cm, 71–73.5 cm, and 161–163.5 cm) from the 1.2 m sediment core were sectioned and named top, middle and bottom, respectively. Total DNA and RNA of each layer were extracted and used for clone libraries and sequence analysis of 16S rRNA genes, the reverse transcription (RT)-PCR products of 16S rRNA and methyl CoM reductase alpha subunit (mcrA) genes. Phylogenetic analysis indicated that archaeal communities of the three layers were dominated by the Miscellaneous Crenarchaeotal Group (MCG) whose ecological functions were still unknown. The MCG could be further divided into seven subgroups, named MCG-A, B, C, D, E, F, and G. MCG-A and MCG-G were the most active groups in the estuarine sediments. Known anaerobic methanotrophic archaea (ANMEs) were only found as minor components in these estuarine archaeal communities. This study, together with the studies of deep subsurface sediments, would be a very good start point to target and compare the specific active archaeal groups and their roles in the dark, deep subsurface sediment environments.

show abstract

Section: Introductionmentioning

confidence: 99%

Stratified active archaeal communities in the sediments of Jiulong River estuary, China

Li¹,

Wang²,

Chen³

et al. 2012

Front. Microbio.

View full text Add to dashboard Cite

show abstract

“…These conditions, associated with the low hydrodynamics (Seiler et al 2020), would probably contribute to preventing the metals associated with organic matter from being available via aerobic decomposition. Even so, studies have reported the presence of methanogenic bacteria in severely contaminated sediments of the ECSSV (Saia et al 2009). In these sites, anaerobic oxidation of organic matter might occur, thus releasing elements associated with F3.…”

Section: Discussionmentioning

confidence: 99%

Geochemical behavior and remobilization potential of trace elements in surface sediments from the baixada santista industrial area, Southeastern Brazilian coast

Kim

Ferreira

Angeli

et al. 2020

J. Sediment. Environ.

View full text Add to dashboard Cite

A three-stage sequential extraction procedure optimized by the European Community Bureau of Reference (BCR) was applied to assess the geochemical behavior and environmental mobility of As, Cr, Cu, Ni, Pb and Zn in surface sediments from two ecosystems under different anthropogenic influences, the Estuarine Complex of Santos and São Vicente (ECSSV) upper estuary (high anthropogenic influence) and the Bertioga channel (low anthropogenic influence), both of which are located on the coast of São Paulo, Brazil. In general, the difference between the regions varied considerably for almost all these elements, and the values for the Bertioga channel were always lower than those found in the upper estuary. Among all the elements, Zn showed the greatest mobility, being present mainly in the acid-soluble fraction. Arsenic and Pb were associated with the reducible fraction, and Cu and Ni in the oxidizable fraction. Meanwhile, Cr was mainly found in the residual fraction. Although previous studies, regarding total concentrations suggest the probable enrichment of Cu, Pb and Zn in the surface sediments of the ECSSV, according to our results and the Risk Assessment Code (RAC) analysis, only Zn presented a high risk of bioavailability, and the modified Risk Assessment Code (mRAC) only showed six samples in the inner estuary with a medium risk of mobilization. Therefore, this study can serve as a management tool and optimize the monitoring efforts of chemical pollution in the region. Keywords Estuarine complex of santos and são vicente • Potentially toxic elements • Sequential extraction • Risk assessment code (RAC) due to its strategic location between Santos Port and São Paulo city. The area hosts the largest industrial complex in the country (Cubatão Industrial Complex). It is already considered by many studies to be environmentally affected by industrial, urban and tourist activities, indicated mainly by contamination through potential harmful elements/compounds, like metals and organic compounds (e.g., Bordon et al. 2011; Martins et al. 2011; Buruaem et al. 2013; Kim et al. 2019) and effects on the biological community and mangroves (e.g., Cordeiro and Costa 2010; Cesar et al. 2014; Damasio et al. 2020). These activities have developed over the past century, and the increasing anthropogenic influence affects the resilience of the estuary (Buruaem et al. 2013; Cesar et al. 2014). However, while many studies have been conducted in the region that assess the levels of trace elements (e.g., Silva et al. 2011; Torres et al. 2015; Kim et al. 2016), studies on the environmental availability and geochemical behavior of these Communicated by M. V. Alves Martins

show abstract

“…The second study has focused on the methanogenic community of a highly polluted estuarine environment, located near a huge harbor, in São Paulo, employing enrichment cultures and FISH, revealing the predominance of Methanobacteriaceae and Methanosarcina spp. [37]. The third article described the phylogenetic analysis of the microbial community in hypersaline petroleum produced water from the Campos Basin, in Rio de Janeiro.…”

Section: Archaea In Aquatic Environmentsmentioning

confidence: 99%

Archaea in Natural and Impacted Brazilian Environments

Rodrigues-Oliveira

Belmok

Catão

et al. 2016

Archaea

View full text Add to dashboard Cite

In recent years, archaeal diversity surveys have received increasing attention. Brazil is a country known for its natural diversity and variety of biomes, which makes it an interesting sampling site for such studies. However, archaeal communities in natural and impacted Brazilian environments have only recently been investigated. In this review, based on a search on the PubMed database on the last week of April 2016, we present and discuss the results obtained in the 51 studies retrieved, focusing on archaeal communities in water, sediments, and soils of different Brazilian environments. We concluded that, in spite of its vast territory and biomes, the number of publications focusing on archaeal detection and/or characterization in Brazil is still incipient, indicating that these environments still represent a great potential to be explored.

show abstract

Occurrence of Methanogenic Archaea in Highly Polluted Sediments of Tropical Santos–São Vicente Estuary (São Paulo, Brazil)

Cited by 14 publications

References 23 publications

Stratified active archaeal communities in the sediments of Jiulong River estuary, China

Stratified active archaeal communities in the sediments of Jiulong River estuary, China

Geochemical behavior and remobilization potential of trace elements in surface sediments from the baixada santista industrial area, Southeastern Brazilian coast

Archaea in Natural and Impacted Brazilian Environments

Contact Info

Product

Resources

About