Thesis (D. Min.)--Beeson Divinity School, 1997. / Abstract and vita. Includes bibliographical references (leaves 141-148).

Texte remanié de: Ph. D.--Brown--University, 1985. / Contient le texte sanskrit et la traduction anglaise. Bibliogr. p. 485-495. Glossaire sanskrit-anglais p. 496-522. Index.

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Proporciona los pasos y procedimientos para acceder al recurso The European Journal of Orthodontics.

This diploma thesis deals with taxonomy independent methods for classification of metagenomic signals, aquired by a MinION sequencer. It describes the formation and character of metagenomic data and already existing methods of metagenomic data classification and their development. This thesis also evaluates an impact of the third generation sequencing techniques in the world of metagenomics and further specialises on the function of the Oxford Nanopore MinION sequencing device. Lastly, a custom method for metagenomic data classification, based on data obtained from a MinION sequencer, is proposed and compared with an already existing method of classification.

Microorganisms exist ubiquitously on Earth, yet their functions and ecological roles remain elusive. Investigating these microbes is accomplished by using culture-dependent and culture-independent methodologies. This study employs both methodologies to characterize: 1) the genomic potential of the novel deep-subsurface bacterial isolate Thermanaerosceptrum fracticalcis strain DRI-13T by combining next-generation and nanopore sequencing technologies and 2) the microbiome of the artificial marine environment for the Hawaiian Bobtail Squid in aquaculture using next-generation sequencing of 16S rRNA gene. Microbial ecology of the deep-subsurface remains understudied in terms of microbial diversity and function. The genomic information of DRI-13T revealed a potential for syntrophic relationships, diverse metabolic potential including prophages/antiviral defenses, and novel methylation motifs. Artificial marine environments housing marine the Hawaiian Bobtail Squid (Euprymna scolopes) contain microorganisms that can directly influence animal and aquaculture health. No studies presently show if bacterial communities of the tank environment correlate with the health and productivity of E. scolopes. This study sought to address this by sampling from a year of unproductive aquaculture yield and comparing the bacterial communities from productive cohorts. Bacterial communities from unproductive samples show less bacterial diversity and abundance coupled with shifts in bacterial composition. Nitrate and pH levels between the tanks were found to be strong influences on determining the bacterial populations of productive and unproductive cohorts.

The mapped area, in southeastern Idaho, includes part of the Bannock Range, on the west, and Cache Valley, on the east. It is centered about 13 miles northwest of Preston, Idaho, and measures 12 miles in the north-south direction and 8.5 miles in the east-west direction. The Bannock Range, in the western part of the mapped area, consists of Precambrian and Cambrian stratigraphic units. The Precambrian units are as follows: (1) lower Precambrian argillite, (2) Precambrian quartzite, and (3) upper Mutual Formation. The Brigham Formation, which overlies the Mutual, is probably of Cambrian age; however, the lower part may be Precambrian. The Langston, Ute, Blacksmith, Bloomington, and Nounan Formations, all of Cambrian age, crop out locally. The Wasatch and Salt Lake Formations bf Tertiary age overlap older rocks near the western margin of the area. The Salt Lake Formation overlaps older rocks in the foothills along the western side of Cache Valley. It is separated from Precambrian argillite, on the west, by a major north-south gravity fault. Arnphibolite plutons intrude the Precambrian argillite at three localities in the Oxford Peak area; basalt flows and volcanic breccia are also present in the Precambrian argillite. The amphibolite represents metamorphosed diabase. Both the metamorphism of the plutons and the presence of extrusive igneous rocks in the Precambrian argillite indicate that the plutons formed during Precambrian time. Two major thrust faults are present in the Bannock Range. The Oxford Peak thrust fault places the Brigham Formation of Cambrian age, as well as Precambrian quartzite and the Mutual Formation of Precambrian age, over Precambrian argillite. The Clifton thrust fault places carbonate formations of Cambrian age and also a lower Paleozoic undifferentiated unit on various older rocks. Near the northwestern corner of the mapped area, however, the Clifton thrust fault underlies the Brigham Formation. Both thrust faults dip westward except where locally folded; the direction of movement was presumably eastward. The thrust faulting is probably related to the Laramide orogeny which occurred during the Cretaceous Period and the early part of the Tertiary Period. A major gravity fault extends along the eastern side of the Bannock Range. It places Salt Lake Formation of Tertiary age, on the east, against Precambrian argillite, on the west. A relatively short gravity fault, also down on the east, offsets the two major thrust faults east of Oxford Peak. The relative collapse of Cache Valley, during the Tertiary Period, produced great relief and, as a consequence, a major landslide formed northeast of Oxford Peak. It transported Precambrian argillite and overlying Brigham Formation down over Precambrian argillite.

The northern part of the Oxford Quadrangle, Idaho, includes parts of the Bannock Range to the west and the Portneuf Range to the east. These ranges are separated by Marsh Valley to the north and Cache Valley to the south. Red Rock Pass, the outlet of glacial Lake Bonneville, divides the two valleys. The mapped area is north of Preston, Idaho, and south of Downey, Idaho. The north-south dimension of the mapped area is 5.2 miles and the east-west dimension is 6.4 miles. The stratigraphic units, within the mapped area, are Precambrian, Paleozoic, and Cenozic in age. The oldest rock unit is the Pocatello Formation of late Precambrian age. Other Precambrian units, in ascending order, are the Papoose Creek Formation and the Caddy Canyon Quartzite. The Precambrian units are dominantly argillite and quartzite with some extrusive and intrusive metaigneous rocks. The Cambrian formations, in ascending order, are the Langston, Ute, Blacksmith, Bloomington, Nounan, and St. Charles Formations. The Cambrian units are dominantly limestone and dolomite, with interbedded shale. Ordovician formations consist of the basal Garden City Formation which is limestone and the Swan Peak Formation which is quartzite. The Tertiary Salt Lake Formation is dominantly tuff and conglomerate. The Quaternary is represented by colluvial deposits, Lake Bonneville Group, and alluvial deposits. Major structural features, within the mapped area, are thrust faults and normal faults. A major thrust fault places Middle Cambrian rocks on Precambrian rocks and eliminates a significant part of the stratigraphic column. Thrust faults are also present between Papoose Creek Formation and Caddy Canyon Quartzite, Bloomington and Nounan Formations, St. Charles and Garden City Formations, and Garden City and Swan Peak Formations. The evidence, within the mapped area, indicates eastward thrusting. The normal faults postdate the thrust faults and offset Salt Lake Formation. The normal faults generally trend north-northwest. These structural features are the result of two separate events. The thrust faulting and related deformation is late Jurassic to Eocene in age. The Basin and Range normal faulting began in late Eocene and continued to Holocene.

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