Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"OTU"”.
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Ecology of Lactobacillus in the gastrointestinal tract of the weanling piglet
… were defined as operational taxonomic units (OTU). The phenotypically typed bacteria, and data based on OTU were used as the basis for the calculation of Shannon, Simpson, and evenness indices as well as for a comparison of lactobacilli composition (based on phenotype and OTU) between …
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Culture-independent analysis of the bacterial community shifts in a macroalgal disease
… rRNA gene detected operational taxonomic units (OTUs) matching with 100% identity and coverage to both in vitro pathogens in two natural disease events. The OTU analysis further revealed that members of the families Rhodobacteraceae and Flavobacteraceae strongly contribute to the difference in …
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Phylometagenomics: a new framework for uncovering microbial community diversity
… 16S tags shows that Operational Taxonomic Unit (OTU) abundances can be approximated by a gamma distribu- tion, which suggests structuring around small numbers of highly abundant OTUs and a large proportion of rare OTUs. The current methods used to characterize how communities are structured rely …
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Spatial and non-spatial patterns of genetic diversity in Neotropical bats
… nucleotide diversity per bat species or OTU, and compared it to 19 environmental factors, two vegetation indices, five ecological traits, and phylogenetic family membership. In the spatial analyses, I used the same bioclimatic environmental variables, vegetation indices, and one measure …
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OTULIN's Novel Regulatory Mechanisms in Genotoxic and Inflammatory NF-kB Signaling
… signaling transduction upon genotoxic stress. OTU deubiquitinase with linear linkage specificity (OTULIN) is known to cleave linear ubiquitin chains exclusively. The purpose of this dissertation is to investigate whether OTULIN can counteract LUBAC-mediated NF-</p>
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Metagenomica applicata allo studio del microbioma delle piante
… l'applicazione del metodo di clustering delle OTU. L’analisi delle reti microbiche, basata sui risultati delle OTU, ha rivelato un elevato rewiring delle interazioni microbiche delle piante sottoposte a inoculazione del patogeno rispetto a quelle non inoculate. Inoltre, il metodo di clustering …
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Biophysical Characterization of the vOTU Proteases from the CCHF and Dugbe Nairoviruses
… the ovarian tumor domain protease superfamily (vOTU) from nairoviruses, and the structural reasons for their specificities. The vOTU from the Crimean-Congo Hemorrhagic Fever Virus (CCHFV) has been implicated in the down-regulation of the innate immune response through its ability to cleave …
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Microbiology of marine sponges: from community structure to symbiont function
… (Illumina MiSeq). Different factors for OTU selection were then considered to generate a set of different core communities, including percentage occurrence, minimum abundance threshold and sample set selection. Alpha- and beta- diversity analyses conducted on the core communities were …
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Transcriptomic and metagenomic impacts of dietary energy of milk replacer in pre-weaned Holstein heifers
… Illumina HiSeq 2500. Operational taxonomic unit (OTU) clustering analysis was conducted using the 16s rRNA Greengenes reference. A PERMANOVA analysis was conducted in R to determine OTU populations for age and treatment. There was no difference in microbiome composition between pre-weaning and …
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From metacommunity dynamics to rapid biodiversity assessment: DNA-based approaches expand horizons in both fundamental and applied ecology
… beta diversity information, and reference-based OTU-picking is demonstrated to be a useful approach where there is interest in the responses of a particular set of species. Potential applications and current limitations are discussed in Chapter 8.
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Bacterial Assemblages And Microbial Enzyme Activity In The Major Tributaries Of The Lower Mississippi River
… into 30,211 operational taxonomic units (otus), although many of these otus were of very low proportional abundance. The most abundant individual otu was identified as being related to the dominant marine alphaproteobacteria pelagibacter/sar11 and was found in all rivers. The most abundant …
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Comparative studies of the microbial composition and diversity of container-dwelling mosquitoes
… but not by pesticide treatment. Bacterial OTU richness was highest in larval samples receiving malathion and permethrin treatments, intermediate in the water and larval samples from the atrazine treatment, and lowest in adult samples irrespective of the treatment. Finally, the microbiota …
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The house dust microbiota in the Drakenstein Child Health Study
… were assigned to Operational Taxonomic Units (OTU). R software together with RStudio software was used for all statistical analysis and graphical representations of the data.
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Blockchain with smart contract for reverse shopping of retail industry branded plastic packaging
Retail industries use an enormous number of plastics, especially packaging. "Reverse Shopping," that is, the returning of branded plastic packaging to the point of purchase (respective retail brands) by deploying blockchain with smart contracts, is our research focus. Employing a local blockchain, …
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Tertiary education experiences of students with visual impairment
An increasing number of students with disabilities are attending tertiary education institutions in New Zealand. Understanding the experiences of students with disabilities will enable education providers to develop policies and practices that promote the inclusion of these students. This study …
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Developing Methods to Study Pathogenesis and Immune Response to HSV-2 in the Guinea Pig Model
In order to develop an effective vaccine for HSV-2 it is important to adequately understand the immune response in the proper animal model. Guinea pigs fully recapitulate human HSV-2 disease, but reagents and assays available for this animal are limited. Consequently, many reagents and assays used …
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Developing Methods to Study Pathogenesis and Immune Response to HSV-2 in the Guinea Pig Model
In order to develop an effective vaccine for HSV-2 it is important to adequately understand the immune response in the proper animal model. Guinea pigs fully recapitulate human HSV-2 disease, but reagents and assays available for this animal are limited. Consequently, many reagents and assays used …
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Contestations and conflicts over land access between smallholder settler farmers and nomadic Fulani cattle herdsmen in the Kwahu Afram Plains South District, Ghana
The study examines the contestations and conflicts over land access between smallholder settler farmers and nomadic cattle herders in the Kwahu Afram Plains South District. Current studies on the farmer-herder conflict in Ghana have emphasised the conflict between indigenous farmers and nomadic …
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Performance and metagenomic microbial analysis of a novel, pilot-scale reactor with rotating algal contactors used to treat anaerobic digester sludge filtrate containing high total ammonia
… changed significantly over the study period. Ten OTUs, most of which were identified to the genus level, accounted for over 75% of the total individuals counted. Nitrosomonas, the common ammonia-oxidizing bacterial genus, was the 10th most abundant OTU and although ubiquitous, it was more …
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