Abstract:
:Mine water is an example of an extreme environment that contains a large number of diverse and specific bacteria. It is imperative to gain an understanding of these bacterial communities in order to develop effective strategies for the bioremediation of polluted aquatic systems. In this study, the high-throughput sequencing approach was used to characterize the bacterial communities in two different mine waters of South Africa: vanadium and gold mine water. Over 2629 operational taxonomic units (OTUs) were recovered from 15,802 reads of the 16S ribosomal RNA (rRNA) gene. They represented 8 phyla, 43 orders, 84 families and 105 genera. Proteobacteria and unclassified bacterial sequences were the most dominant. Apart from these, Firmicutes, Bacteroidetes, Actinobacteria, Candidate phylum OD1, Cyanobacteria, Verrucomicrobia and Deinococcus-Thermus were the recovered phyla, although their relative abundance differed between both the mine-water samples. Yet, diversity indices suggested that the bacterial communities inhabiting the vanadium mine water were more diverse than those in gold mine water. Interestingly, substantial percentages of the reads from either sample (58 % in vanadium and 17 % in gold mine water) could not be assigned to any phylum and remained unclassified, suggesting hitherto unidentified populations, and vast untapped microbial diversity. Overall, the results of this study exhibited bacterial community structures with high diversity in mine water, which can be explored further for their role in bioremediation and environmental management.
journal_name
Appl Microbiol Biotechnoljournal_title
Applied microbiology and biotechnologyauthors
Keshri J,Mankazana BB,Momba MNdoi
10.1007/s00253-014-6213-6subject
Has Abstractpub_date
2015-04-01 00:00:00pages
3233-42issue
7eissn
0175-7598issn
1432-0614journal_volume
99pub_type
杂志文章abstract::Diastereoselective reduction of diketones with Lactobacillus kefir DSM 20587 was examined. The reduction of both oxo-functions proceeded highly diastereoselectively. (2 R,5 R)-Hexanediol 3 was produced starting from (2,5)-hexanedione 1 in quantitative yields with enantiomeric excess >99% and diastereomeric excess >99%...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-002-0936-5
更新日期:2002-04-01 00:00:00
abstract::Extracellular matrix provides an architectural structure and mechanical stability for aerobic granules. Distributions of cells and extracellular polymeric substances (EPS), including proteins, alpha- and beta-D-glucopyranose polysaccharides, in acetate-fed granules and phenol-fed granules were probed using a novel qua...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-006-0617-x
更新日期:2007-01-01 00:00:00
abstract::Microsomal fraction of fungal cells grabs the attention of many researchers for it contains enzymes that play a role in biotechnologically relevant processes. Microsomal enzymes, namely, CYP450s, were shown to metabolize a wide range of xenobiotic compounds, including PAHs, PCBs, dioxins, and endocrine disruptors, and...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-013-5347-2
更新日期:2013-12-01 00:00:00
abstract::Severe dengue is more likely found during secondary heterologous dengue virus (DENV) infection or primary infection of infants born to dengue-immune mothers and led to the hypothesis of antibody-dependent enhancement (ADE). It has been reported that pre-membrane (prM)-reactive antibodies do not efficiently neutralize ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-015-6819-3
更新日期:2015-11-01 00:00:00
abstract::A bench-scale granular autotrophic nitrogen removal bioreactor (completely autotrophic nitrogen removal over nitrite (CANON) system) used for the treatment of synthetic wastewater was analyzed for the identification of microbiota with potential capacity for carbonate and phosphate biomineral formation. 16S ribosomal R...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-016-7914-9
更新日期:2017-01-01 00:00:00
abstract::Rhodococcus erythropolis U23A is a polychlorinated biphenyl (PCB)-degrading bacterium isolated from the rhizosphere of plants grown on a PCB-contaminated soil. Strain U23A bphA exhibited 99% identity with bphA1 of Rhodococcus globerulus P6. We grew Arabidopsis thaliana in a hydroponic axenic system, collected, and con...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-011-3824-z
更新日期:2012-09-01 00:00:00
abstract::Inorganic sulfate is the preferred sulfur source for the growth of most microorganisms but, in its absence, many organosulfur compounds can be degraded microbially to provide sulfur. Desulfurization of dibenzothiophene (DBT) by Rhodococcus sp. and of aromatic sulfonates by Pseudomonas sp. has considerable biotechnolog...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s002530100800
更新日期:2001-11-01 00:00:00
abstract::A system for the controlled expression of a foreign gene in cultured tobacco cells (Nicotiana tabacum, BY2) by temperature shift was constructed. A 925-base-pair (bp) DNA fragment containing the 5'-flanking region of a low-molecular-mass heat-shock protein gene (HSP18.2) of Arabidopsis thaliana was inserted upstream o...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/BF00169945
更新日期:1995-12-01 00:00:00
abstract::Pseudomonas rhodesiae KK1 was isolated from a former manufactured-gas plant site, due to its ability to grow rapidly in a mixture of polycyclic aromatic hydrocarbons (PAHs). Radiorespirometric analysis revealed that strain KK1 was found to be able to mineralize anthracene, naphthalene and phenanthrene. Notably, phenan...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-002-1137-y
更新日期:2002-12-01 00:00:00
abstract::To provide new insight into the dark fermentation process, a multi-lateral study was performed to study the microbiology of 20 different lab-scale bioreactors operated in four different countries (Brazil, Chile, Mexico, and Uruguay). Samples (29) were collected from bioreactors with different configurations, operation...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-016-7325-y
更新日期:2016-04-01 00:00:00
abstract::Both strain engineering and process optimization are intensively studied in microbial biosurfactant literature. However, screening of multiple strains and/or medium components in parallel is a very labor-intensive and timely process, considering the only applied technique nowadays is evaluation through shake flask and...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-019-09766-3
更新日期:2019-06-01 00:00:00
abstract::One of the most important limitations of mammalian cell-based processes is the secretion and accumulation of lactate as a by-product of their metabolism. Among the cell lines commonly used in industrial bioprocesses, HEK293 has been gaining importance over the last years. Up recently, HEK293 cells were known to consum...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-015-6855-z
更新日期:2015-12-01 00:00:00
abstract::Problems with deflocculation and solids separation in biological wastewater treatment systems are linked to fluctuations in physicochemical conditions. This study examined the composition of activated sludge bacterial communities in lab-scale sequencing batch reactors treating bleached kraft mill effluent, under trans...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-010-2829-3
更新日期:2010-11-01 00:00:00
abstract::Polyunsaturated fatty acids (PUFAs) are essential lipids for cell function, normal growth, and development, serving as key structural components of biological membranes and modulating critical signal transduction events. Omega-3 (n-3) long chain PUFAs (LC-PUFAs) such as eicosapentaenoic acid (EPA) and docosahexaenoic ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-017-8585-x
更新日期:2018-01-01 00:00:00
abstract::Nitrite-dependent anaerobic methane oxidation (N-DAMO), which couples anaerobic methane oxidation and nitrite reduction, is a recently discovered bioprocess coupling microbial nitrogen and carbon cycles. The discovery of this microbial process challenges the traditional knowledge of global methane sinks and nitrogen l...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-017-8521-0
更新日期:2017-11-01 00:00:00
abstract::Tacrolimus (FK506), an effective immunosuppressant, is widely used in the treatment of autoimmune diseases. In this study, we identified that BulZ, a Streptomyces antibiotic regulatory protein (SARP) family regulator, acted as a positive regulator for spore differentiation and tacrolimus production. A knockout of bulZ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-018-8979-4
更新日期:2018-06-01 00:00:00
abstract::Oil-producing fungus Mortierella alpina 1S-4 is an industrial strain. To determine its physiological properties and to clarify the biosynthetic pathways for polyunsaturated fatty acids, a transformation system for this fungus was established using a derivative of it, i.e., a ura5- mutant lacking orotate phosphoribosyl...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-004-1622-6
更新日期:2004-09-01 00:00:00
abstract::The activities of seven hydrolytic enzymes (L-alanine aminopeptidase, esterase, α-and β-glucosidase, phosphomonoesterase, phosphodiesterase, sulfatase) were monitored during 1 year in parallel and serial treatment units of the biological stage of a communal wastewater treatment plant. The spatial homogeneity of enzyme...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-016-7540-6
更新日期:2016-08-01 00:00:00
abstract::During the genomics era, the use of thermostable DNA polymerases increased greatly. Many were identified and described-mainly of the genera Thermus, Thermococcus and Pyrococcus. Each polymerase has different features, resulting from origin and genetic modification. However, the rational choice of the adequate polymera...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-013-5290-2
更新日期:2013-12-01 00:00:00
abstract::Eleutherosides, the phenylpropanoid and lignan glycosides, are the active ingredients accumulated in the roots and stems of Eleutherococcus species and in Eleutherococcus senticosus in particular. Syringin (=eleutheroside B) and (-) syringaresinol-di-O-β-D-glucoside (=eleutheroside E) appear as the most important bioa...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-014-5899-9
更新日期:2014-09-01 00:00:00
abstract::In the Funding section, the following statement is missing: The MACS cohort study was supported by the NIH, National Institute of Allergy and Infectious Diseases grant U01-AI35041. ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,已发布勘误
doi:10.1007/s00253-019-09911-y
更新日期:2019-07-01 00:00:00
abstract::The effects of pH control strategy and fermentative operation modes on the biosynthesis of pyrroloquinoline quinine (PQQ) were investigated systematically with Methylobacillus sp. CCTCC M2016079 in the present work. Firstly, the shake-flask cultivations and benchtop fermentations at various pH values ranging from 5.3 ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-017-8259-8
更新日期:2017-06-01 00:00:00
abstract::Termitomyces is a genus of edible mushrooms commonly consumed in Africa and Asia among the mushrooms collected from the wild. Termitomyces mushrooms grow as symbionts in the termite nests, where they produce various enzymes to help termites digest lignocellulosic substrates. Many species of Termitomyces are used by di...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-018-8991-8
更新日期:2018-06-01 00:00:00
abstract::The nutritional medium requirement for biomass and triterpenoid production by Antrodia cinnamomea AC0623 strain was optimized. Box-Behnken was applied to optimize biomass and triterpenoid production. According to response surface methodology (RSM), the optimum concentrations of N-source were determined. The results in...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-006-0325-6
更新日期:2006-10-01 00:00:00
abstract::It was found that benzothiazole, 2-oxybenzothiazole and 2-benzothiazolesulphonate were degraded in activated sludge systems. 2-Mercaptobenzothiazole (MBT) was more resistant, although the first step in MBT degradation seemed to be transformation to the sulphonate form. At higher MBT concentrations, it was transformed ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/BF00205064
更新日期:1993-07-01 00:00:00
abstract::Synthetic biology aims at manipulating biological systems by rationally designed and genetically introduced components. Efforts in photoactuator engineering resulted in microorganisms reacting to extracellular light-cues with various cellular responses. Some of them lead to the formation of macroscopically observable ...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-016-7384-0
更新日期:2016-04-01 00:00:00
abstract::The white button mushroom Agaricus bisporus is economically the most important commercially produced edible fungus. It is grown on carbon- and nitrogen-rich substrates, such as composted cereal straw and animal manure. The commercial mushroom production process is usually performed in buildings or tunnels under highly...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-017-8294-5
更新日期:2017-06-01 00:00:00
abstract::D-Danshensu (D-DSS), a traditional Chinese medicine, is used to treat cardiovascular and cerebrovascular diseases. However, current isolation protocols for D-DSS both natural and synthetic are not ideal; therefore, in this study, we have developed a whole-cell biotransformation method to produce D-DSS from L-DOPA. Thi...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s00253-019-09947-0
更新日期:2019-08-01 00:00:00
abstract::A flocculent Saccharomyces cerevisiae strain with the ability to express both the LAC4 (coding for beta-galactosidase) and LAC12 (coding for lactose permease) genes of Kluyveromyces marxianus was constructed. This recombinant strain is not only able to grow on lactose, but it can also ferment this substrate. To our kn...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
doi:10.1007/s002530051441
更新日期:1999-05-01 00:00:00
abstract::Plant-parasitic nematodes are estimated to cause global annual losses of more than US$ 100 billion. The number of registered nematicides has declined substantially over the last 25 years due to concerns about their non-specific mechanisms of action and hence their potential toxicity and likelihood to cause environment...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章,评审
doi:10.1007/s00253-015-7233-6
更新日期:2016-05-01 00:00:00