Abstract:
:Bacteria play important roles in mineral weathering and soil formation. However, few reports of mineral weathering bacteria inhabiting subsurfaces of soil profiles have been published, raising the question of whether the subsurface weathering bacteria are fundamentally distinct from those in surface communities. To address this question, we isolated and characterized mineral weathering bacteria from two contrasting soil profiles with respect to their role in the weathering pattern evolution, their place in the community structure, and their depth-related changes in these two soil profiles. The effectiveness and pattern of bacterial mineral weathering were different in the two profiles and among the horizons within the respective profiles. The abundance of highly effective mineral weathering bacteria in the Changshu profile was significantly greater in the deepest horizon than in the upper horizons, whereas in the Yanting profile it was significantly greater in the upper horizons than in the deeper horizons. Most of the mineral weathering bacteria from the upper horizons of the Changshu profile and from the deeper horizons of the Yanting profile significantly acidified the culture media in the mineral weathering process. The proportion of siderophore-producing bacteria in the Changshu profile was similar in all horizons except in the Bg2 horizon, whereas the proportion of siderophore-producing bacteria in the Yanting profile was higher in the upper horizons than in the deeper horizons. Both profiles existed in different highly depth-specific culturable mineral weathering community structures. The depth-related changes in culturable weathering communities were primarily attributable to minor bacterial groups rather than to a change in the major population structure.
journal_name
Appl Environ Microbioljournal_title
Applied and environmental microbiologyauthors
Huang J,Sheng XF,Xi J,He LY,Huang Z,Wang Q,Zhang ZDdoi
10.1128/AEM.02335-13subject
Has Abstractpub_date
2014-01-01 00:00:00pages
29-42issue
1eissn
0099-2240issn
1098-5336pii
AEM.02335-13journal_volume
80pub_type
杂志文章abstract::Protoplasts of Claviceps purpurea were prepared by treatment of mycelium with a lytic mixture of snail gut enzyme and cellulase from Trichoderma viride. Such protoplasts could be efficiently lysed by Triton X-100 treatment at high osmotic pressure without Ca or Mg, allowing the release of intact vacuoles in high yield...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.47.4.710-714.1984
更新日期:1984-04-01 00:00:00
abstract::Lactobacillus iners is often associated with vaginal dysbiosis and bacterial vaginosis (BV), which are risk factors for adverse gynecological and obstetric outcomes. To discover natural inhibitors of L. iners, cell-free culture supernatants (CFSs) from 77 vaginal human Lactobacillus strains and 1 human intestinal stra...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01594-20
更新日期:2020-10-01 00:00:00
abstract::The first DNA sequences obtained from arbuscular endomycorrhizal fungi are reported. They were obtained by directly sequencing overlapping amplified fragments of the nuclear genes coding for the small subunit rRNA. These sequences were used to develop a polymerase chain reaction primer (VANS1) that enables the specifi...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.58.1.291-295.1992
更新日期:1992-01-01 00:00:00
abstract::3'-Phosphoadenosine-5'-phosphatase (PAPase) is required for the removal of toxic 3'-phosphoadenosine-5'-phosphate (PAP) produced during sulfur assimilation in various eukaryotic organisms. This enzyme is a well-known target of lithium and sodium toxicity and has been used for the production of salt-resistant transgeni...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.72.1.245-251.2006
更新日期:2006-01-01 00:00:00
abstract::Growth of Lactococcus lactis subsp. lactis biovar diacetylactis was observed on media with citrate as the only energy source. At pH 5.6, steady state was achieved in a chemostat on a citrate-containing medium in the absence of a carbohydrate. Under these conditions, pyruvate, acetate, and some acetoin and butanediol w...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.59.12.4216-4222.1993
更新日期:1993-12-01 00:00:00
abstract::The effects of pulsed electric field (PEF) treatment and processing factors on the inactivation kinetics of Listeria innocua NCTC 11289 were investigated by using a pilot plant PEF unit with a flow rate of 200 liters/h. The electric field strength, pulse length, number of pulses, and inlet temperature were the most si...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.65.12.5364-5371.1999
更新日期:1999-12-01 00:00:00
abstract::Simian rotavirus SA-11 was concentrated from tap water by adsorption to and elution from microporous filters, followed by organic flocculation. Two types of filters were compared for their ability to concentrate the virus. Both Zeta Plus 60S and Cox AA type M-780 filters were efficient for virus adsorption, but the ef...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.45.3.850-855.1983
更新日期:1983-03-01 00:00:00
abstract::The yeast Torulaspora delbrueckii, which propagates as a haploid, was made into a diploid by treatment with dimethyl sulfoxide (DMSO) on the regeneration of protoplasts. The diploid state was stably inherited; the cell volume was three times that of the parent strain and the cellular DNA content was two times that of ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.53.7.1504-1511.1987
更新日期:1987-07-01 00:00:00
abstract::Piriformospora indica (Hymenomycetes, Basidiomycota) is a newly described cultivable endophyte that colonizes roots. Inoculation with the fungus and application of fungal culture filtrate promotes plant growth and biomass production. Due to its ease of culture, this fungus provides a model organism for the study of be...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.65.6.2741-2744.1999
更新日期:1999-06-01 00:00:00
abstract::Phylogeny and the distribution of symbiotic bacteria in the mixed segment of the wood-eating termite Nasutitermes takasagoensis (Shiraki) were studied. Bacterial 16S rRNA genes (rDNA) were amplified from the mixed segment of the gut by PCR, and two kinds of sequences were identified. The phylogenetic tree was construc...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.66.5.2199-2207.2000
更新日期:2000-05-01 00:00:00
abstract::The fate of selenium in the environment is controlled, in part, by microbial selenium oxyanion reduction and Se(0) precipitation. In this study, we identified a genetic regulator that controls selenate reductase activity in the Se-reducing bacterium Enterobacter cloacae SLD1a-1. Heterologous expression of the global a...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.02542-06
更新日期:2007-03-01 00:00:00
abstract::White rot basidiomycetes were able to biodegrade styrene (1-phenylethene) graft copolymers of lignin containing different proportions of lignin and polystyrene [poly(1-phenylethylene)]. The biodegradation tests were run on lignin-styrene copolymerization products which contained 10.3, 32.2, and 50.4% (wt/wt) lignin. T...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.58.10.3225-3232.1992
更新日期:1992-10-01 00:00:00
abstract::Safe and effective nuclear waste disposal, as well as accidental radionuclide releases, necessitates our understanding of the fate of radionuclides in the environment, including their interaction with microorganisms. We examined the sorption of Pu(IV) and Pu(V) to Pseudomonas sp. strain EPS-1W, an aerobic bacterium is...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.02572-16
更新日期:2016-11-21 00:00:00
abstract::The changes in motility, chemotactic responsiveness, and flagellation of Rhizobium meliloti RMB7201, L5-30, and JJ1c10 were analyzed after transfer of the bacteria to buffer with no available C, N, or phosphate. Cells of these three strains remained viable for weeks after transfer to starvation buffer (SB) but lost al...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.64.5.1708-1714.1998
更新日期:1998-05-01 00:00:00
abstract::Large numbers of bacteriophages (2 x 10(7) to 1 x 10(8)/ml) were present in ruminal fluid from sheep and cattle. Twenty-six distinct types were identified and placed in three morphological groups; several phages possessed unusual structural features. The large numbers and diversity of phages observed indicates a possi...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.54.6.1637-1641.1988
更新日期:1988-06-01 00:00:00
abstract::The cytopathology for rat neuroblastoma cells (B-103) and the pathogenicity for B6C3F1 mice of four species of Naegleria have been compared. Both live amoebae and cell-free extracts of N. australiensis, N. fowleri, N. gruberi, and N. lovaniensis added to 51Cr-labeled B-103 cells caused release of radiolabel. All four ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.51.5.1133-1137.1986
更新日期:1986-05-01 00:00:00
abstract::Micro-Raman spectroscopy is a fast and sensitive tool for the detection, classification, and identification of biological organisms. The vibrational spectrum inherently serves as a fingerprint of the biochemical composition of each bacterium and thus makes identification at the species level, or even the subspecies le...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.02481-09
更新日期:2010-05-01 00:00:00
abstract::The genus of Marinobacter is one of the most ubiquitous in the global oceans and assumed to significantly impact various biogeochemical cycles. The genome structure and content of Marinobacter aquaeolei VT8 was analyzed and compared with those from other organisms with diverse adaptive strategies. Here, we report the ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01866-10
更新日期:2011-04-01 00:00:00
abstract::Spatial and temporal variations in sediment microbial community structure in a eutrophic lake polluted with inorganic mercury were identified using polar lipid fatty acid (PLFA) analysis. Microbial community structure was strongly related to mercury methylation potential, sediment organic carbon content, and lake loca...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.66.4.1479-1488.2000
更新日期:2000-04-01 00:00:00
abstract::Lysostaphin (Lst) is a potent bacteriolytic enzyme that kills Staphylococcus aureus, a common bacterial pathogen of humans and animals. With high activity against both planktonic cells and biofilms, Lst has the potential to be used in industrial products, such as commercial cleansers, for decontamination. However, Lst...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00693-18
更新日期:2018-07-02 00:00:00
abstract::[This corrects the article on p. 4430 in vol. 63.]. ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:
更新日期:1998-03-01 00:00:00
abstract::The ability of terminal restriction fragment (T-RFLP or TRF) profiles of 16S rRNA genes to provide useful information about the relative diversity of complex microbial communities was investigated by comparison with other methods. Four soil communities representing two pinyon rhizosphere and two between-tree (interspa...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.66.7.2943-2950.2000
更新日期:2000-07-01 00:00:00
abstract::Cyanobacterial glycogen-deficient mutants display impaired degradation of light-harvesting phycobilisomes under nitrogen-limiting growth conditions and secrete a suite of organic acids as a putative reductant-spilling mechanism. This genetic background, therefore, represents an important platform to better understand ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01751-15
更新日期:2015-09-01 00:00:00
abstract::In Agrobacterium tumefaciens, the balance between acquiring enough iron and avoiding iron-induced toxicity is regulated in part by Fur (ferric uptake regulator). A fur mutant was constructed to address the physiological role of the regulator. Atypically, the mutant did not show alterations in the levels of siderophore...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00531-07
更新日期:2007-08-01 00:00:00
abstract::In this study, we compared different methods-including transmission electron microscopy-and various nucleic acid labeling methods in which we used the fluorochromes 4',6'-diamidino-2-phenylindole (DAPI), 4-[3-methyl-2,3-dihydro-(benzo-1, 3-oxazole)-2-methylmethyledene]-1-(3'-trimethyl ammoniumpropyl)-quinilinium diioi...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.66.6.2283-2289.2000
更新日期:2000-06-01 00:00:00
abstract::Cyanobacterial blooms are potential health hazards in water supply reservoirs. This paper reports analyses of a cyanobacterial bloom by use of PCR-based methods for direct detection and identification of strains present and determination of their toxigenicity. Serial samples from Malpas Dam, in the New England region ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.68.12.6070-6076.2002
更新日期:2002-12-01 00:00:00
abstract::Caldalkalibacillus thermarum strain TA2.A1 grew in pH-controlled batch culture containing a fermentable growth substrate (i.e., sucrose) from pH 7.5 to 10.0 with no significant change in the specific growth rate, suggesting that this bacterium was a facultative alkaliphile. However, when strain TA2.A1 was grown on a n...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01639-09
更新日期:2009-12-01 00:00:00
abstract::Culture-independent (PCR with Crenarchaeota-specific primers and subsequent denaturing gradient gel electrophoresis) and culture-dependent approaches were used to study the diversity of Crenarchaeota in terrestrial hot springs of the Kamchatka Peninsula and the Lake Baikal region (Russia) and of Iceland. Among the phy...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00972-08
更新日期:2008-12-01 00:00:00
abstract::Five autoagglutinating Aeromonas hydrophila isolates recovered from eels and humans were assigned to serogroups O:14 and O:81 of the Sakazaki and Shimada (National Institutes of Health) scheme. They had the following properties in common: positive precipitation after boiling, moderate surface hydrophobicity (salt-aggr...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.70.10.5898-5904.2004
更新日期:2004-10-01 00:00:00
abstract::A bacterial strain, designated KSM-7358, that can use alpha-cedrene for growth was isolated. The strain was identified as a member of the genus Rhodococcus and catalyzed the novel allylic oxidation of alpha-cedrene regiospecifically to produce (R)-10-hydroxycedrene (sec-cedrenol) with a very high yield. alpha-Curcumen...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.59.5.1336-1341.1993
更新日期:1993-05-01 00:00:00