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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 1699 for “"SPP"”.
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Coevolution of Heliconius spp. and Passiflora spp. : a phylogenetic comparison
Although a substantial amount of research has been done on all aspects ofHeliconius biology and their ecological interactions with Passiflora, there has not hitherto been a phylogenetic examination of this association for coevolution. To test the HeliconiuslPassilfora association for coevolutionary …
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Farmakognostická studie Alnus spp.
… diplomové práce: Farmakognostická studie Alnus spp. Student: Jakub Chlebek Abstrakt Diplomová práce Farmakognostická studie Alnus spp. se skládá z teoretické a experimentální části. Teoretická část obsahuje botanickou charakteristiku třech domácích druhů (Alnus glutinosa, Alnus incana, Alnus …
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Biodegradation of RDX in Rhodococcus spp.
The manufacture, use and storage of explosives over decades have seriously contaminated the environment. Hexa-hydro-1,3,5-trinitro-1,3,5-triazine (Royal Demolition Explosive - RDX) is one of the most widely used explosives. RDX is a man-made compound, recalcitrant to degradation and proven to be …
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Conservation Genetics of Gar (Atractosteus spp.)
<p>The alligator gar (<em>Atractosteus spatula</em>) is a large-bodied species of fish that historically was widely distributed in coastal drainages around the Gulf of Mexico and well north in the Mississippi River basin. Currently this species is experiencing population declines across much of its …
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Nachweis von Salmonella spp. bei Landschildkröten
In the present study an efficient procedure for detecting salmonellas in feces of tortoises should be established. First of all a survey of occurrence of salmonellas in reptiles and their importance for reptiles as well as for man is given. Next an appropriate incubation temperature for multiplying …
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Trimethylamine-N-oxide reduction by alteromonas spp.
… in typical fish spoilage bacteria, Alteromonas spp., and comparisons made with that of E.coli. TMAO reduction was shown to be a property of several Gram negative bacteria and it supported anaerobic growth. It was not confined to marine bacteria and only certain marine species could reduce TMAO. …
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Lipoic acid protein ligases in Plasmodium spp.
… part for any cell's metabolism. In Plasmodium spp. the lipoic acid dependent enzyme complexes are found in the apicoplast, a plastid related organelle, and in the mitochondrion and thus two organelle specific lipoylation pathways are present in these parasites. Biosynthesis of the cofactor …
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Degradation of xylan by rumen Prevotella SPP
Item reinstated by Sarah Shreeves (sshreeve@illinois.edu) on 2012-05-15T10:00:36Z Item was in collections: University of Illinois Dissertations and Theses (ID: 204) Dissertations - Microbiology (ID: 748) No. of bitstreams: 4 Dodd.Dissertation.Final.pdf: 11501575 bytes, checksum: …
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Methylobacterium spp.: Emerging Opportunistic Premise Plumbing Pathogens
… in low oxygen conditions. Methylobacterium spp. have been recognized as an emerging OPPP, so the purpose of this study was to investigate these waterborne bacteria in more detail to determine whether they have all characteristics of OPPPs. Seven Methylobacterium spp. strains were studied to …
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Identificação de características fisiológicas relacionadas à tolerância ao déficit hídrico em clones comerciais de Eucalyptus spp. e Corymbia spp..
O déficit hídrico é o maior limitante à produtividade de Eucalipto, portanto, faz-se necessário incluir análises que permitam a seleção de indivíduos superiores em programas de melhoramento genético com o objetivo de aumentar a produtividade. Contudo, existem muitas variáveis relacionadas à …
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High-throughput phenotyping and genetic mapping of drought stress related traits in setaria (Setaria spp) and rice (Oryza spp)
Drought stress is one of the most important and complex abiotic stresses limiting crop yield. Therefore, it is essential to dissect this complex trait and understand mechanisms of drought resistance in the field. In this research, experiments were conducted in Setaria, a model C4 crop, and rice, a …
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Determination of the Presence of <i>Rickettsia</i> Spp. and <i>Borrelia</i> Spp. Carried by Tortoise Ticks from Madagascar
… assay for the presence of <em>Rickettsia</em> spp. and Borrelia spp., amplifying the rickettsial 17 kDA and <em>Borrelia</em> 16S rRNA gene, respectively. Those positive for either pathogen were analyzed to determine the specific species via end-point PCR and sequencing. One hundred …
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Biocontrôle de la pourriture grise chez le cannabis par des pseudomonas spp. et bacillus spp. et étude des mécanismes impliqués
… donc d’identifier des souches de Pseudomonas spp. et de Bacillus spp. possédant un potentiel de biocontrôle contre la maladie de la pouriture grise, ainsi que d’élucider l’implication de certains mécanismes pouvant contribuer à ce biocontrôle. Les mécanismes étudiés comprenaient, d’une part, …
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The impacts of alder (alnus spp.) and salmon (oncorhynchus spp.) on aquatic nutrient dynamics and microbial communities in southwestern Alaska
… ecology. Nitrogen (N)-fixation by alder (Alnus spp.) and Pacific salmon (Oncorhynchus spp.) provide key nutrient subsidies to freshwater systems. Southwestern (SW) Alaska supports some of the greatest salmon runs in the world. Alder is also a prevalent constituent of the regional vegetation. The …
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Control and eradication of Plasmodium spp. in man
Typescript, etc.
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Solar drying of green oak (Quercus spp.) lumber
A comparison was made of the rates and quality of solar and air drying from the green condition of a mixture of red and white oak 5/4 inch lumber during winter conditions in Blacksburg, Virginia. The solar kiln was of a semi-greenhouse type, having a capacity of 150 board feet and provided with an …
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Genetics and physiology of motility by Photorhabdus spp
<p>Photorhabdus is a bacterial symbiont of soil nematodes and a lethal pathogen of insects. Many pathogenic or symbiotic bacteria utilize various methods of motility to reach favorable conditions, colonize a host, or have motility genes that also regulate virulence expression. It is not known how …
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Recognition in burying beetles (Nicrophorus spp., Silphidae, Coleoptera)
Burying beetles (Nicrophorus spp.) meet potential partners on carcasses. The aim of this study was to determine how males and females are able to determine potential partners from individuals of different species. The cuticular hydrocarbons of various species of European and Canadian burying …
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Metabólitos produzidos por Streptomyces spp. com atividade antitumoral.
Cancer is a disease with a high mortality rate, which affects millions of people each year around the world and these numbers are increasing steadily, rising costs of hospitalization and treatment. Therefore, it is of great importance the isolation of active substances against cancer from natural …
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