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773 Matching Results
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Taxa-area Relationship (TAR) of Microbial Functional Genes with Long-TGerm Fertilization
Diversity and spatial patterns in plant and animal communities are well documented as a positive-power law of a taxa-area relationship (TAR). At present little is known whether this also applies to soil microbial communities and whether long-term fertilization has an influence on the underlying microbial diversity. To test the effects of long-term fertilization on above-ground botanical diversity and below-ground microbial diversity, a nested sampling approach on Park Grass plots (12d& 11/2c) of Rothamsted Reseach in United Kingdom, both at ~;; pH 5 but with plant diversities of between 42 and 13 respectively were used. GeoChip 3.0, covering approximately 57, 000 gene sequences of 292 gene families involved in nitrogen, carbon, sulfur and phosphorus cycling, metal reduction and resistance, and organic contaminant degradation, was used to determine the gene area relationships for both functional and phylogenetic groups and the relationship to plant diversity. Our analysis indicated that the microbial communities were separated by different plant diversity based on DCA. The soil microbial diversity was in accord with plant diversity. Soil microbial community exhibited different z value with different plant diversity, z = 0.0449 with higher plant diversity and z = 0.0583 with lower plant diversity (P< 0.0001). These results suggest that …
Date:
May 17, 2010
Creator:
Liang, Yuting; Wu, Liyou; Clark, Ian; Xue, Kai; Van Nostrand, Joy D.; Deng, Ye et al.
System:
The UNT Digital Library
Two Component Signal Transduction in Desulfovibrio Species
The environmentally relevant Desulfovibrio species are sulfate-reducing bacteria that are of interest in the bioremediation of heavy metal contaminated water. Among these, the genome of D. vulgaris Hildenborough encodes a large number of two component systems consisting of 72 putative response regulators (RR) and 64 putative histidinekinases (HK), the majority of which are uncharacterized. We classified the D. vulgaris Hildenborough RRs based on their output domains and compared the distribution of RRs in other sequenced Desulfovibrio species. We have successfully purified most RRs and several HKs as His-tagged proteins. We performed phospho-transfer experiments to verify relationships between cognate pairs of HK and RR, and we have also mapped a few non-cognate HK-RR pairs. Presented here are our discoveries from the Desulfovibrio RR categorization and results from the in vitro studies using purified His tagged D. vulgaris HKs and RRs.
Date:
May 17, 2010
Creator:
Luning, Eric; Rajeev, Lara; Ray, Jayashree & Mukhopadhyay, Aindrila
System:
The UNT Digital Library
Investigating the role of CheA-3 in Dusulfovibrio Vulgaris Hildenborough
Multiple sets of chemotaxis genes including three cheA homologs were identified in the genome sequence of the anaerobic bacterium Desulfovibrio vulgaris Hildenborough. Each CheA is a histidine kinase (HK) and part of a two component signal transduction system. Knock out mutants in the three cheA genes were created using single cross-over homologous recombination insertion. We studied the phenotypes of the cheA mutants in detail and discovered that ?cheA-3 has a non swarming/swimming phenotype both in the soft agar plates and Palleroni chamber assays. CheA-3 shows similarity to the Shewanella oneidensis CheA-3 and the Vibrio cholerae CheA-2 that are responsible for chemotaxis in the respective organisms. We did not find any morphological or structural differences between the three Delta cheA mutants and the wild type cells in electron microscopy. Our results from these studies are presented.
Date:
May 22, 2010
Creator:
Ray, Jayashee; Keller, Kimberley; Krierim, Bernhard; Auer, Manfred; Keasling, Jay; Wall, Judy et al.
System:
The UNT Digital Library
Fregadero de Tres Compartimientos
Poster depicting a three-compartment sink labelled with the purpose of each area. There is also information about sanitizing solutions and minimum required temperatures to meet Texas Health Department regulations.
Date:
June 2010
Creator:
Texas. Department of State Health Services.
System:
The Portal to Texas History
Three-Compartment Sink
Poster depicting a three-compartment sink labelled with the purpose of each area. There is also information about sanitizing solutions and minimum required temperatures to meet Texas Health Department regulations.
Date:
June 2010
Creator:
Texas. Department of State Health Services.
System:
The Portal to Texas History
The Human Spirit: Anxiety, Spirituality, and Depression in HIV+ Adults
This poster examines the relationships between anxiety, spirituality, and depression in persons living with HIV.
Date:
August 12, 2010
Creator:
Deaton, Kyle & Vosvick, Mark A.
System:
The UNT Digital Library
Positive States of Mind, Loneliness, and Anger: An Exploration of Resilience in the LGBT Community
This poster examines the association between positive states of mind, loneliness, anger, and resilience in LGBT individuals.
Date:
August 12, 2010
Creator:
Logan, Mandy Alene; Catalano, Denise E.; Vosvick, Mark A. & Chng, Chwee-Lye
System:
The UNT Digital Library
[Concert Poster: Drink to Victory, Drug Mountain, Dust Congress, Daniel Francis Doyle]
Poster advertising a concert by Drink to Victory, Dust Congress, Drug Mountain, and Daniel Francis Doyle on Saturday, August 28, 2010, at RGRS (Rubber Gloves Rehearsal Studios), Denton, Texas. Poster features a hand-drawn illustration of a unicorn, squirrel, and stars in light and dark purple ink, with event information in hand-drawn purple text written in the stars above the unicorn. Other text in chartreuse ink is scrawled, graffiti-like, across the image, reading "Do Not Attend This Blasphemy", "Repent! John 3:16", "wtf?!->", and "ACDC RULZ". The show was presented by Gutterth Productions and was advertised as a record release for both Drink to Victory and Dust Congress, and as the last show for Drug Mountain.
Date:
August 28, 2010
Creator:
Hill, Nevada
System:
The UNT Digital Library
[Concert Poster: Cats & Dogs]
Poster/flyer advertising a concert benefiting the Denton Humane Society featuring Greg Ginn & the Taylor Texas Corrugators, Shiny Around the Edges, Dust Congress, Brent Best, CS Flemmons, Dim Locator, Dear Human, RTB2, Holler Time, Spooky Folk, Video, Record Hop, New Science Projects, Delmore Pilcrow, and Sabra Laval on September 11, 2010, at Rubber Gloves Rehearsal Studio.
Date:
September 11, 2010
Creator:
unknown
System:
The UNT Digital Library
[Turtle Creek Chorale: A Night for Peace]
Poster from the Turtle Creek Chorale Collection for the choirs' "A Night for Peace" event which took place in 2010 at the Meyerson Symphony Center. The poster is decorated by a photograph of stained glass which is positioned above a photograph of the Turtle Creek men's choir.
Date:
October 18, 2010
Creator:
Turtle Creek Chorale
System:
The UNT Digital Library
[Turtle Creek Chorale: A Night for Peace]
Poster from the Turtle Creek Chorale Collection for their ' "A Night for Peace" concert which took place in 2010 at the Meyerson Symphony Center. The poster is decorated by a photograph of stained glass which is positioned above a photograph of the Turtle Creek Chorale.
Date:
October 18, 2010
Creator:
Turtle Creek Chorale
System:
The UNT Digital Library
[Concert Poster: One O'Clock Lab Band The Best College Band in the World!]
Poster advertising a concert by One O'Clock Lab Band and the Jazz Big Band from the CIT Cork School of Music on October 23, 2010, at CSM Curtis Auditorium.
Date:
October 23, 2010
Creator:
University of North Texas. College of Music. Division of Jazz Studies.
System:
The UNT Digital Library
[Concert Poster: We Shot JR is Dead]
Poster advertising a concert hosted by Fred Holston commemorating the end of the Denton blog We Shot JR. Bands performing include One Baptist General, White Drugs, Orange Coax, Early Lines, Fur, Geistheistler, Vulgar Fashion, Fungi Girls, Lychgate, Stelan Gonzalez, Cuckoo Byrds and Cygnus on October 30, 2010 at Rubber Gloves Rehearsal Studios in Denton, TX. Poster shows a painting of the lower half of a white horse with the stomach cut open and intestines showing against a stylized backdrop of the Dallas skyline. Colors are primarily red and white with blue accents.
Date:
October 30, 2010
Creator:
Hill, Nevada
System:
The UNT Digital Library
Reference set of regulons in Desulfovibrionales inferred by comparative genomics approach
in this study, we carried out large-scale comparative genomics analysis of regulatory interactions in Desulfovibrio vulgaris and 12 related genomes from Desulfovibrionales order using our recently developed web server RegPredict (http://regpredict.lbl.gov). An overall reference collection of 26 Desulfovibrionales regulogs can be accessed through RegPrecise database (http://regpredict.lbl.gov).
Date:
November 15, 2010
Creator:
Kazakov, Alexey E.; Rodionov, Dmitry A.; Price, Morgan N.; Arkin, Adam P.; Dubchak, Inna & Novichkov, Pavel S.
System:
The UNT Digital Library
Regulon inference without arbitrary thresholds: three levels of sensitivity
Reconstruction of transcriptional regulatory networks is one of the major challenges facing the bioinformatics community in view of constantly growing number of complete genomes. The comparative genomics approach has been successfully used for the analysis of the transcriptional regulation of many metabolic systems in various bacteria taxa. The key step in this approach is given a position weight matrix, find an optimal threshold for the search of potential binding sites in genomes. In our previous work we proposed an approach for automatic selection of TFBS score threshold coupled with inference of regulon content. In this study we developed two modifications of this approach providing two additional levels of sensitivity.
Date:
November 15, 2010
Creator:
Dubchak, Pavel Novichkov, Elena Stavrovskaya, Dmitry Rodionov, Andrey Mironov, Inna; Rodionov, Dmitry; Mironov, Andrey; Dubchak, Inna & Novichkov, P.S.
System:
The UNT Digital Library
In silico discovery of the dormancy regulons in a number of Actinobacteria genomes
Mycobacterium tuberculosis is a dangerous Actinobacteria infecting nearly one third of the human population. It becomes dormant and phenotypically drug resistant in response to stresses. An important feature of the M. tuberculosis pathogenesis is the prevalence of latent infection without disease, making understanding of the mechanisms used by the bacteria to exist in this state and to switch to metabolically active infectious form a vital problem to consider. M. tuberculosis dormancy is regulated by the three-component regulatory system of two kinases (DosT and DevS) and transcriprional regulator (DevR). DevR activates transcription of a set of genes, which allow the bacteria to survive long periods of anaerobiosis, and may be important for long-term survival within the host during latent infection. The DevR-regulon is studied experimentally in M. tuberculosis and few other phylogenetically close Mycobacteria spp. As many other two-component systems, the devRS operon is autoregulated. However, the mechanism of the dormancy is not completely clear even for these bacteria and there is no data describing the dormancy regulons in other species.
Date:
November 16, 2010
Creator:
Gerasimova, Anna; Dubchak, Inna; Arkin, Adam & Gelfand, Mikhail
System:
The UNT Digital Library
[Concert Poster: Zebras Fall Concert 2010]
Poster advertising a concert by Zebras on November 22,2010, at Kenton Hall. Poster shows a flamenco dancer in motion wearing a red dress with blue sleeves.
Date:
November 22, 2010
Creator:
University of North Texas. College of Music. Division of Jazz Studies.
System:
The UNT Digital Library
[Concert Poster: The Rolling Stones Project]
Poster advertising a concert by One O'Clock Lab Band with guest artists Bernard Fowler and Tim Ries on November 23, 2010, at Murchison Performing Arts Center.
Date:
November 23, 2010
Creator:
University of North Texas. College of Music. Division of Jazz Studies.
System:
The UNT Digital Library
[Turtle Creek Chorale: o holy Night]
Poster from the Turtle Creek Chorale Collection for their "O Holy Night" concert series which took place in December, 2010 at the Meyerson Symphony Center. A photograph of the chorale holding poinsettias on stage appears next to a photograph of a blurry Christmas tree.
Date:
December 2010
Creator:
Turtle Creek Chorale
System:
The UNT Digital Library
[Baruch the Scribe, Mother Falcon, Manned Missiles, Young & Brave, The Hope Trust, Peopleodian poster]
Poster advertising a concert by Baruch the Scribe, Mother Falcon, Manned Missiles, Young & Brave, The Hope Trust, and Peopleodian on Saturday, September 3, 2011, at Hailey's, Denton, Texas. Poster features event details and participating bands in large, multi-colored text overlaying an illustration of an analog alarm clock. Event was billed as a "Free Back 2 School Bash" presented by the Dentoneer.
Date:
2011
Creator:
Muzquiz, Ramon
System:
The UNT Digital Library
[The Black Angels, Sleepy Sun, True Widow poster]
Poster advertising a concert by The Black Angels, Sleepy Sun, and True Widow on May 21, 2011, at The Loft, Dallas, Texas. Poster by artist Nevada Hill features a multi-layered illustration and hand-drawn letters in red, blue, and green ink.
Date:
2011
Creator:
Hill, Nevada
System:
The UNT Digital Library
Breastmilk: Baby's First Immunization
A bi-lingual poster showing the recommended immunization schedule for children and how breastfeeding means immunizations are not required till later.
Date:
2011
Creator:
Texas. Bureau of WIC Nutrition.
System:
The Portal to Texas History
[Cats + Dogs benefit concert poster]
Poster advertising a benefit concert for the Denton Humane Society called Cats + Dogs, presented by Rubber Gloves on December 10, 2011 at Rubber Gloves, Denton, Texas. Musical performances included Greg Ginn, CS Flemmons, RTB2, On After Dark, Brent Best, The Treelines, Dust Congress, Adult Books, and Peopleodian. Black and white poster features an illustration of a cat and event details in hand-drawn text.
Date:
2011
Creator:
unknown
System:
The UNT Digital Library
[Cocky Americans, Bad Design, Phantom Caste, The Others poster]
Poster advertising a concert by Cocky Americans, Bad Design, Phantom Caste, and The Others on July 23, 2011, at The Chat Room Pub, Fort Worth, Texas. Poster depicts an illustration of a figure standing on a dock at night, looking back toward a house under a full moon, with event details in text across the bottom, printed in blue, black, and yellow ink.
Date:
2011
Creator:
unknown
System:
The UNT Digital Library