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Full-Text Articles in Life Sciences
Evaluation Of Intra-Species Diversity Of Oxalobacter Formigenes Strains Using Pulsed-Field Gel Electrophoresis (Pfge) And Multiplex Pcr, Nivedita Pareek
Evaluation Of Intra-Species Diversity Of Oxalobacter Formigenes Strains Using Pulsed-Field Gel Electrophoresis (Pfge) And Multiplex Pcr, Nivedita Pareek
Masters Theses
Oxalobacter formigenes is a beneficial, strict anaerobic gut bacterium that plays an important role in the prevention of kidney stone disease with a unique characteristic of using only oxalate as a carbon and energy source. To date, twenty-one strains of O. formigenes have been isolated which are further divided into two groups based on differences in the patterns of cell membrane lipids, cellular proteins, and nucleic acid fragments. The objective of the study was to evaluate intra-species diversity of O. formigenes strains using pulsed-field gel electrophoresis (PFGE) and multiplex PCR.
Nine pure cultures of O. formigenes strains (5 strains group …
An Assessment Of Night Time And Seasonal Electrofishing In The Lower Wabash River, Eric Christopher Hine
An Assessment Of Night Time And Seasonal Electrofishing In The Lower Wabash River, Eric Christopher Hine
Masters Theses
Large rivers are highly important systems; being exploited both commercially and recreationally. Because of this usage by humans, close monitoring of the ecology of theses rivers is of the utmost importance. The Long-Term Electrofishing project (LTEF) monitors the fish communities of the Illinois, Mississippi, Wabash, and Ohio rivers using day time, pulsed-DC electrofishing during the late Spring through the early Fall each year. Given that previous studies have noted diel and seasonal changes in catch and composition of fish communities, the addition of night time electrofishing may be beneficial to the overarching goals of the LTEF. This study sought to …
Genetic Structure And Diversity Of Channel Catfish (Ictalurus Punctatus) In Three Large Midwestern Rivers, Vaclav Alexei Sotola
Genetic Structure And Diversity Of Channel Catfish (Ictalurus Punctatus) In Three Large Midwestern Rivers, Vaclav Alexei Sotola
Masters Theses
Little information is available regarding the genetic structure and diversity of sportfishes in large rivers, which can be vital to continuing the sustainable exploitation of these fisheries. Additionally, impoundments often have vast impacts on riverine systems. These impacts include altering the flow regime, changing the nutrient load, and preventing migratory fish from reaching their spawning grounds. If fishes are prevented from reaching their spawning grounds, their genetic diversity and structuring could begin to change relative to historic measures, potentially decreasing their fitness and ability to survive. I screened microsatellite loci to assess the genetic population structure and diversity of channel …
Comparisons Of Genetic Variance And Physiological Responses In Two Populations Of Western Mosquitofish, Gambusia Affinis, Brett Egger
Masters Theses
The study was conducted to determine the effects of lowered genetic variance in the Western mosquitofish (Gambusia affinis) on the physiological parameters of critical thermal maximum and minimum pH. Mosquitofish were obtained from two small central Illinois ponds, Lost Pond and Shadow Pond, by seines and dip nets. Once caught, fish were returned to the laboratory and acclimated for a minimum of five days at a temperature of 27°C and a pH of 8.25. At the beginning of each experimental run, fish were subjected to the physiological experiments for determination of critical thermal maximum and minimum pH, and then measured …
A Study Of The Lichens At Rocky Branch Nature Preserve, Clark County, Illinois, Eric B. Grunder
A Study Of The Lichens At Rocky Branch Nature Preserve, Clark County, Illinois, Eric B. Grunder
Masters Theses
In 1971, a graduate student at Eastern Illinois University, James E. Wiedman, studied the lichen flora of Rocky Branch Nature Preserve, Clark County, Illinois. During his study he collected, identified, and recorded a total of 64 lichen species. Since 1971, Rocky Branch Nature Preserve has experienced a dramatic increase in use by people and a concomittant decline in the quality of lichen habitats. In order to assess the decline of suitable lichen habitats and the reduction of lichen species a second study of the lichens at Rocky Branch Nature Preserve was undertaken. As part of this study, ten habitat sites …
Small Mammal Community Structure In Restored Prairies, Kathleen A. Falout
Small Mammal Community Structure In Restored Prairies, Kathleen A. Falout
Masters Theses
The Illinois Department of Natural Resources currently manages approximately 4,000 hectares of natural prairie. High human impacts coupled with small patch size result in challenging management decisions for prairie conservation. The ideal restored prairie would consist of a mosaic of habitats varying in vegetation from forb-grass dominated areas to oak savannas, with concurrent stages of vegetative succession occurring across the habitats. A study was conducted at the Middle Fork State Fish and Wildlife Area located in Vermillion County, IL, to analyze small mammal diversity and community composition among three different stages of prairie restoration.
The three treatment categories were: fallow …
Vegetation Analysis Of Three Zones Of Belmont Prairie, Dupage County, Illinois, Susan Eckert Ruta
Vegetation Analysis Of Three Zones Of Belmont Prairie, Dupage County, Illinois, Susan Eckert Ruta
Masters Theses
Belmont Prairie is located in Downers Grove, DuPage County, Illinois, and is one of the few preserves of a native tall grass prairie. It is located in the Morainal section of the Northeastern Morainal Division, and harbors over 100 species of native prairie plants which are typical of the community type. Three vegetation zones were sampled for species composition and both frequency and relative frequency. These areas are as follows: Dry mesic upland area, sedge meadow, and transitional area.
The upland dry mesic zone had diverse vegetation including forb and grass species such as Parthenium integrifolium, Silphium laciniatum, …
Seasonal Diversities Of Lotic And Lentic Benthic Insect Populations, Jerry E. Bindel
Seasonal Diversities Of Lotic And Lentic Benthic Insect Populations, Jerry E. Bindel
Masters Theses
The benthic insect populations from Lake Charleston and the Embarras River above and below Lake Charleston were examined twice monthly for seasonal differences in number of organisms, number of taxa and species diversity from October 13, 1976 to February 16, 1977. The water quality parameters of alkalinity, carbon dioxide, dissolved oxygen, pH and temperature were also examined for each site to determine if any parameter showed a sufficient deviation as to exert an influence on the benthic insect populations. Low dissolved oxygen and high carbon dioxide values were noted and occurred at times corresponding to lower numbers of taxa and …