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Oxidative Stress Biomarkers In Liver And Gill Tissues Of Spotted Barb (Capoeta Barroisi Lortet, 1894) Living In Ceyhan River, Adana-Turkey, Ergül Belge Kurutaş, Aysel Şahan, Tülay Altun Jan 2009

Oxidative Stress Biomarkers In Liver And Gill Tissues Of Spotted Barb (Capoeta Barroisi Lortet, 1894) Living In Ceyhan River, Adana-Turkey, Ergül Belge Kurutaş, Aysel Şahan, Tülay Altun

Turkish Journal of Biology

This study was carried out in an agricultural, industrial, domestic, and slaughterhouse area that is also a discharging region of the river Ceyhan just under the crest of the Aslantaş dam. Levels of pollution indicator parameters of the water were observed and their effects on various oxidative stress biomarkers in gill and liver tissues of spotted barb (Capoeta barroisi Lortet, 1894) were investigated. The oxidative stress biomarkers analyzed included superoxide dismutase (SOD), catalase (CAT), and glucose-6-phosphate dehydrogenase (G6PD). Levels of reduced glutathione (GSH) and lipid peroxidation (LPO) were also evaluated. High levels of CAT, G6PD, GST, and GSH activity were …

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Eicosanoids Act In Nodulation Reactions To Bacteria Serratia Marcescensin Hemipteran Pest, Eurygaster Integriceps, Hasan Tunaz Jan 2009

Eicosanoids Act In Nodulation Reactions To Bacteria Serratia Marcescensin Hemipteran Pest, Eurygaster Integriceps, Hasan Tunaz

Turkish Journal of Biology

In insects, nodulation is the first step in cellular defense reactions to bacterial, fungal, and some viral infections. The hypothesis was posed that the hemipteran pest E. integriceps produces melantoic nodulation reactions to bacterial challenge and that eicosanoids mediate these reactions. Treating the adult of E. integriceps with Serratia marcescens induced nodulation reactions in a challenge dose-dependent manner. Injecting the adult E. integriceps with eicosanoid biosynthesis inhibitors, immediately before intrahemocoelic injections of the bacterium Serratia marcescens, sharply reduced the nodulation response to bacterial challenges. Separate treatments with specific inhibitors including dexamethasone (a phospholipase A_2 inhibitor), indomethacin, naproxen, ibuprofen, piroxicam (cyclooxygenase …

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Hormonal Factors Of Anti-Mutagenesis Regulation, Mekhtizadeh Emin Rza Jan 2009

Hormonal Factors Of Anti-Mutagenesis Regulation, Mekhtizadeh Emin Rza

Turkish Journal of Biology

The genetic activity of phytohormones (Phs) was studied. The investigation was conducted with 4 plants (Allium fistulosum, Lycopersicon esculentum, Triticum aestivum, and Gossypium hirsutum). The action of Phs on plant genetic processes was evaluated by chromosome aberration testing. It was observed that the exogenic Phs exerted a stabilizing effect on spontaneous plant mutagenesis. The use of Phs before and after the action of mutagenic factors contributed to an increase in the anti-mutational or reparative function of the plants´ genes. It was observed that the Phs exhibited genoprotective or reparative activity. The absence of clearly expressed dependence of these effects on …

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C-Banded Karyotype And Nucleolar Organizer Regions (Nors) Of Wild Boar, Sus Scrofa (Artiodactyla: Suidae) From Anatolia, Ati̇lla Arslan, İrfan Albayrak Jan 2009

C-Banded Karyotype And Nucleolar Organizer Regions (Nors) Of Wild Boar, Sus Scrofa (Artiodactyla: Suidae) From Anatolia, Ati̇lla Arslan, İrfan Albayrak

Turkish Journal of Biology

The present study reports the karyotype, C-banding, and nucleolar organizer regions (NORs) of 6 Sus scrofa (Linnaeus, 1758) males from Anatolia. The karyotype of S. scrofa comprised (2n) 38 chromosomes, the number of chromosomal arms (FN) was 64, and the number of autosomal arms (FNa) was 60. C-positive regions appeared to be restricted to the centromeric regions of autosomes 1, and 13-18, and the entire long arm of the Y chromosome. Some autosomes had very slight C-bands. The X chromosome appeared to be entirely euchromatic. NORs were identified by the silver-staining technique and were observed on secondary constriction sites of …

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Antibacterial Activities Of Extracts From Some Turkish Endemic Plants On Common Fish Pathogens, Hakan Türker, Arzu Bi̇ri̇nci̇ Yildirim, Fatma Pehli̇van Karakaş, Hi̇lal Köylüoğlu Jan 2009

Antibacterial Activities Of Extracts From Some Turkish Endemic Plants On Common Fish Pathogens, Hakan Türker, Arzu Bi̇ri̇nci̇ Yildirim, Fatma Pehli̇van Karakaş, Hi̇lal Köylüoğlu

Turkish Journal of Biology

Antibacterial activities of 24 alcoholic and aqueous extracts from 8 endemic Turkish plants (Crocus abantensis, Crocus ancyrensis, Galanthus plicatus subsp. byzantinus, Paronychia chionaea, Astragalus gymnolobus, Trifolium pannonicum subsp.elongatum, Eryngium bithynicum, and Convolvulus galaticus) of 7 different families were screened. Antibacterial activity was carried out with 5 different fish pathogens (Aeromonas hydrophila, Yersinia ruckeri, Streptococcus agalactia, Lactococcus garvieae, and Enterococcus faecalis). Crude extracts of endemic plant extracts were applied against the bacteria using the disc diffusion method under in vitro conditions. A. hydrophila was the only inhibited bacteria from all alcoholic and aqueous extracts of C. ancyrensis, G. plicatus, T. pannonicum, …

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The Antibacterial And Antifungal Effects Of Rhododendron Derived Mad Honey And Extracts Of Four Rhododendron Species, Ömer Ertürk, Fatma Pehli̇van Karakaş, Derya Pehli̇van, Nurşah Nas Jan 2009

The Antibacterial And Antifungal Effects Of Rhododendron Derived Mad Honey And Extracts Of Four Rhododendron Species, Ömer Ertürk, Fatma Pehli̇van Karakaş, Derya Pehli̇van, Nurşah Nas

Turkish Journal of Biology

The antibacterial and antifungal activities of mad honey and the crude extracts (leaves and flowers) of Rhododendron ponticum L. subsp. ponticum, Rhododendron luteum L., Rhododendron smirnovii L., and Rhododendron caucasicum L. (Ericaceae) were investigated. A total of 17 microbial organisms belonging to 16 species of bacteria, namely Staphylococcus aureus, Streptococcus salivarius, Klebsiella pneumoniae, Escherichia coli, Salmonella enteritis, Streptococcus pneumoniae, Bacillus cereus, Listeria monocytogenes, Streptococcus mutans, Pseudomonas aeruginosa, Bacillus licheniformis, Micrococcus luteus, Bacillus subtilis, Proteus vulgaris, and Candida albicans were studied using a disk-diffusion and agar dilution (minimal inhibition concentration) method. The antimicrobial activity of the antibacterial and antifungal activity of …

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A Comparative Study On Pleurotus Ostreatus (Jacq.) P.Kumm. Cultivated On Different Agricultural Lignocellulosic Wastes, Abdurrahman Dündar, Abdunnasir Yildiz Jan 2009

A Comparative Study On Pleurotus Ostreatus (Jacq.) P.Kumm. Cultivated On Different Agricultural Lignocellulosic Wastes, Abdurrahman Dündar, Abdunnasir Yildiz

Turkish Journal of Biology

For the cultivation of Pleurotus ostreatus (Jacq.) P.Kumm. wheat stalk (WS), cotton stalk (CS), millet stalk (MS), and soybean stalk (SS) were used as the main material and oven-dried lentil straw (LS) was used as an additive material 100:10, 100:15, 100:20 w:w in weight for 100 g of main material (70% moisture). The shortest mycelium growing time (MGT) was 10.2 days, on the SS, while the longest was 18.8 days, on the CS. The shortest first harvest time (FHT) was 30 days, on SS + LS (90:10; w:w), and the longest was 46.4 days, on CS + LS (100:20; w:w). …

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Inhibitory Effects Of Ajowan (Trachyspermum Ammi) Ethanolic Extract On A. Ochraceus Growth And Ochratoxin Production, Pushpa S. Murthy, B. B. Borse, Hafeeza Khanum, P. Srinivas Jan 2009

Inhibitory Effects Of Ajowan (Trachyspermum Ammi) Ethanolic Extract On A. Ochraceus Growth And Ochratoxin Production, Pushpa S. Murthy, B. B. Borse, Hafeeza Khanum, P. Srinivas

Turkish Journal of Biology

Ajowan is an aromatic seed spice that has a medicinal value. In this paper Ajowan Ethanolic Extract (AEE), which was prepared from Ajowan seeds, was assessed for antibacterial and antifungal activity against selected pathogenic bacteria and fungi by agar well diffusion assay. AEE exhibited considerable inhibitory effects against all the organisms tested. Emphasis of the study was on the affect of AEE on the mycelial growth and spore germination of toxigenic fungi A. ochraceus. Cultures were incubated on yeast extract-sucrose (YES) broth, at concentrations of 50, 150, 250 ppm at 25°C. At 250 ppm, AEE completely inhibited germination of spores, …

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Small Rna-Directed Heterochromatin Formation In The Context Of Development: What Flies Might Learn From Fission Yeast, Kathryn Huisinga, Sarah C.R. Elgin Jan 2009

Small Rna-Directed Heterochromatin Formation In The Context Of Development: What Flies Might Learn From Fission Yeast, Kathryn Huisinga, Sarah C.R. Elgin

Biology Faculty Research

A link between the RNAi system and heterochromatin formation has been established in several model organisms including Schizosaccharomyces pombe and Arabidopsis thaliana. However, the data to support a role for small RNAs and the associated machinery in transcriptional gene silencing in animal systems is more tenuous. Using the S. pombe system as a model, we analyze the role of small RNA pathway components and associated small RNAs in regulating transposable elements and potentially directing heterochromatin formation at these elements in Drosophila melanogaster.

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Vegetation Response To Restoration Treatments In A Former Pine Plantation In North Florida, Ryan C. Meyer Jan 2009

Vegetation Response To Restoration Treatments In A Former Pine Plantation In North Florida, Ryan C. Meyer

UNF Graduate Theses and Dissertations

As the human population in Florida continues to expand, development follows, and tree farms give way to homes and businesses. As parks are established, restoration of these semi-natural plantations may provide critical habitat for species conservation. This study evaluates vegetation response to restoration treatments at two study sites, formerly tree farms, now preserves in NE Florida. Treatments included thinning, clearing, or control (no treatment) within 10m^2 plots. Thinning reduced tree canopy to 20% (2-3 pines/plot) and removed all other vegetation; clearing treatments removed all biomass to bare soil; no herbicides were used. Within these plots richness and abundance was assessed …

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Genetic Variation At Hair Length Candidate Genes In Elephants And The Extinct Woolly Mammoth, Alfred L. Roca, Yasuko Ishida, Nikolaidis Sergios, Sergios-Orestis Kolokotronis, Stephen Fratpietro, Kristin Stewardson, Shannon Hensley, Michele Tisdale, Gennady Boeskorov, Alex D. Greenwood Jan 2009

Genetic Variation At Hair Length Candidate Genes In Elephants And The Extinct Woolly Mammoth, Alfred L. Roca, Yasuko Ishida, Nikolaidis Sergios, Sergios-Orestis Kolokotronis, Stephen Fratpietro, Kristin Stewardson, Shannon Hensley, Michele Tisdale, Gennady Boeskorov, Alex D. Greenwood

Biological Sciences Faculty Publications

Background: Like humans, the living elephants are unusual among mammals in being sparsely covered with hair. Relative to extant elephants, the extinct woolly mammoth, Mammuthus primigenius, had a dense hair cover and extremely long hair, which likely were adaptations to its subarctic habitat. The fibroblast growth factor 5 (FGF5) gene affects hair length in a diverse set of mammalian species. Mutations in FGF5 lead to recessive long hair phenotypes in mice, dogs, and cats; and the gene has been implicated in hair length variation in rabbits. Thus, FGF5 represents a leading candidate gene for the phenotypic differences in hair length …

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A Standardized Rna Isolation Protocol For Yam (Dioscorea Alata L) Cdna Library Construction, Satya S. Narina, Ali I. Mohamed, Robert Asiedu, H. D. Mignouna Jan 2009

A Standardized Rna Isolation Protocol For Yam (Dioscorea Alata L) Cdna Library Construction, Satya S. Narina, Ali I. Mohamed, Robert Asiedu, H. D. Mignouna

Virginia Journal of Science

For the purpose of constructing yam cDNA libraries, attempts to isolate high quality RNA using several previously reported protocols were unsuccessful. Therefore a protocol was standardized for yam total RNA isolation by using guanidium buffer at the Department of Biology, Virginia State University. The RNA isolated using this standardized protocol was high in quality and led to successful good quality cDNA library construction and identification of functional ESTs in yam.

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Distribution And Host Specificity Of Erysiphe Cruciferarum (Powdery Mildew) Attacking Alliaria Petiolata (Garlic Mustard), In Southwestern Ohio, Victoria Lyn Ciola Jan 2009

Distribution And Host Specificity Of Erysiphe Cruciferarum (Powdery Mildew) Attacking Alliaria Petiolata (Garlic Mustard), In Southwestern Ohio, Victoria Lyn Ciola

Browse all Theses and Dissertations

Garlic mustard is an invasive Eurasian biennial that has rapidly spread throughout the United States. In Southwestern Ohio, many garlic mustard populations are infected with the powdery mildew Erysiphe cruciferarum that can reduce the growth and fitness of garlic mustard. E. cruciferarum was assessed using a Decision Tree in regards to its potential use as a biological control agent. I determined the distribution of E. cruciferarum on garlic mustard and I determined the potential risk of E. cruciferarum to native Brassicaceous species and selected crops. I surveyed 19 parks in Southwestern Ohio and recorded the number of diseased garlic mustard …

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Comparative Efficacy Of Bioud To Other Commercially Available Arthropod Repellants Against The Ticks Amblyomma Americanum And Dermacentor Variabilis On Cotton Cloth, Brooke W. Bissinger, Jiwei Zhu, Charles S. Apperson, Daniel E. Sonenshine, D. Wesley Watson, R. Michael Roe Jan 2009

Comparative Efficacy Of Bioud To Other Commercially Available Arthropod Repellants Against The Ticks Amblyomma Americanum And Dermacentor Variabilis On Cotton Cloth, Brooke W. Bissinger, Jiwei Zhu, Charles S. Apperson, Daniel E. Sonenshine, D. Wesley Watson, R. Michael Roe

Biological Sciences Faculty Publications

BioUD is an arthropod repellent that contains the active ingredient 2-undecanone originally derived from wild tomato plants. Repellency of BioUD was compared with five commercially available arthropod repellents against the ticks Amblyomma americanum (L.) and Dermacentor variabilis Say in two-choice bioassays on treated versus untreated cotton cheesecloth. Overall mean percentage repellency against both species was greatest for and did not differ significantly between BioUD (7.75% 2-undecanone) and products containing 98.1% DEET, 19.6% IR3535, and 30% oil of lemon eucalyptus. Products containing 5% and 15% Picaridin and 0.5% permethrin were also repellent compared with untreated controls but to a lesser degree …

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Native Fire Regime As A Reference For Establishing Management Practices, Brean Duncan Jan 2009

Native Fire Regime As A Reference For Establishing Management Practices, Brean Duncan

Electronic Theses and Dissertations

Our understanding of natural fire regimes in human-dominated landscapes is limited. Fire regimes operating in the pyrogenic ecosystems of Florida have been altered by fire suppression and fuel fragmentation. This is especially true of North Merritt Island, Florida, where human impacts have led to an incomplete knowledge of current fire regimes. We know that growing season fires frequently occurred within general return intervals and that many native terrestrial species require fire to remain viable. A 20-year plus period of fire suppression caused structural and compositional changes to vegetation/fuels that led to catastrophic fires and the decline of native species populations …

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Tissue Targeted Embryonic Chimeras: Zebrafish Gastrula Cell Transplantation, Elizabeth R. Deschene, Michael J. Barresi Jan 2009

Tissue Targeted Embryonic Chimeras: Zebrafish Gastrula Cell Transplantation, Elizabeth R. Deschene, Michael J. Barresi

Biological Sciences: Faculty Publications

Certain fundamental questions in the field of developmental biology can only be answered when cells are placed in novel environments or when small groups of cells in a larger context are altered. Watching how one cell interacts with and behaves in a unique environment is essential to characterizing cell functions. Determining how the localized misexpression of a specific protein influences surrounding cells provides insightful information on the roles that protein plays in a variety of developmental processes. Our lab uses the zebrafish model system to uniquely combine genetic approaches with classical transplantation techniques to generate genotypic or phenotypic chimeras. We …

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Timecourse Analysis Of The Effect Of Atrazine On Human Hepg2 Cells, Erin M. Schrunk Jan 2009

Timecourse Analysis Of The Effect Of Atrazine On Human Hepg2 Cells, Erin M. Schrunk

Honors Program Theses

Atrazine is one of the most abundantly used herbicides in the United States. It works by inhibiting photosynthesis in broad leaf and grassy weeds. Consequently, with its frequent use, atrazine can contaminate many drinking water sources due to run-off from treated fields. While many studies have shown detrimental effects occur in various model organisms using very high levels of atrazine, not much is known about what effects occur due to lower levels of atrazine exposure. The current research project analyzed the effects of atrazine on human liver cells (HepG2). Specifically, we focused on the proteins that regulate cell cycle progression …

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The Effects Of Oral Administration Of An Aqueous Extract Of Ficus Bengalensis Stem Bark On Some Hematological And Biochemical Parameters In Rats With Streptozotocin-Induced Diabetes, Mahalingam Gayathri, Krishnan Kannabiran Jan 2009

The Effects Of Oral Administration Of An Aqueous Extract Of Ficus Bengalensis Stem Bark On Some Hematological And Biochemical Parameters In Rats With Streptozotocin-Induced Diabetes, Mahalingam Gayathri, Krishnan Kannabiran

Turkish Journal of Biology

The effects of sub-chronic administration of an aqueous extract of Ficus bengalensis stem bark on hematological and biochemical parameters in rats with streptozotocin (STZ)-induced diabetes were evaluated. The possible protective effect of the F. bengalensis (500 mg/kg of body weight per day) extract on STZ-induced changes was evaluated over 12 weeks. The parameters evaluated were plasma proteins, including total protein albumin and globulin, non-protein nitrogenous substances, including urea, uric acid, and creatinine, and hematological indices, including total hemoglobin content, erythrocytes, leucocytes, and platelets counts. The aqueous extract had a significant (P < 0.05) protective effect against STZ-induced changes in terms of the markers of protein metabolism and hematological indices. Furthermore, increases in levels of non-protein nitrogenous substances were normalized in response to the administration of the extract. Thus, the aqueous extract of F. bengalensis had a significant protective effect on STZ-induced changes to biochemical and hematological parameters in the diabetic rats.

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Identification Of Lactococcus Lactis Subsp. Isolates Based On Their Cell Wall Protein Profiles And Plasmid Contents, Mehtap Üstün, Banu Özden, Ömer Şi̇mşek, Mustafa Akçeli̇k Jan 2009

Identification Of Lactococcus Lactis Subsp. Isolates Based On Their Cell Wall Protein Profiles And Plasmid Contents, Mehtap Üstün, Banu Özden, Ömer Şi̇mşek, Mustafa Akçeli̇k

Turkish Journal of Biology

In this study, among the total 50 lactococci isolates, 44% L. lactis subsp. lactis, 28% L. lactis subsp. lactis biovar. diacetylactis and 28% L. lactis subsp. cremoris strains were identified by their phenotypic characterization. According to the cell wall protein patterns, 8.6, 12.5, 14.7, 20.3, 23.4, 25.4, and 31.8 kDa proteins were found identical within 82% of isolates. Moreover 93% of L. lactis subsp. cremoris strains contained a unique 157.8 kDa protein; however, L. lactis subsp. lactis and L. lactis subsp. lactis biovar. diacetylactis had no unique protein in their groups. Also a key plasmid profile, which would be used …

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Antisalmonella Activity Of Selected Medicinal Plants, Chand Pasha, Shaik Sayeed, Sadath Ali, Ziaullah Khan Jan 2009

Antisalmonella Activity Of Selected Medicinal Plants, Chand Pasha, Shaik Sayeed, Sadath Ali, Ziaullah Khan

Turkish Journal of Biology

Antisalmonella activity of some important plants in the Ayurvedic system of traditional medicine used in India to treat enteric diseases was screened. The aqueous and methanol extracts of 47 medicinal plants were studied for their antibacterial activity against pathogenic Salmonella typhi, Salmonella paratyphi A, and Salmonella typhimurium. The in vitro antibacterial activity was performed by agar well diffusion method and the results are expressed as the average diameter of zone of inhibition of bacterial growth around the well. Of the herbal extracts tested, 33 plant extracts were found to have antibacterial activity against at least one of the salmonella strains …

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Antibacterial Activity Of Seed Extracts Of Commercial And Wild Lathyrus Species, Noor Afshan Khan, Sadaf Quereshi, Akhilesh Pandey, Ashutosh Srivastava Jan 2009

Antibacterial Activity Of Seed Extracts Of Commercial And Wild Lathyrus Species, Noor Afshan Khan, Sadaf Quereshi, Akhilesh Pandey, Ashutosh Srivastava

Turkish Journal of Biology

Butanolic extract of seeds from 2 different Lathyrus species (Lathyrus ratan [commercial variety] and L. aphaca [wild variety]), were investigated for their in vitro antibacterial activity. The antibacterial activity against plant and human pathogenic bacteria was evaluated on the basis of inhibition zones (IZs) measured by disc diffusion method. The maximum inhibition was shown by L. ratan against the gram-positive bacterium Staphylococcus aureus. L. aphaca seeds also showed inhibition but were inactive against Klebsiella pneumoniae. L. ratan extract was more active than L. aphaca. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values for both the seeds (in …

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The Toxicity And Teratogenicity Of Gibberellic Acid (Ga3) Based On The Frog Embryo Teratogenesis Assay-Xenopus (Fetax), Ayper Boğa, Seçi̇l Bi̇nokay, Yaşar Sertdemi̇r Jan 2009

The Toxicity And Teratogenicity Of Gibberellic Acid (Ga3) Based On The Frog Embryo Teratogenesis Assay-Xenopus (Fetax), Ayper Boğa, Seçi̇l Bi̇nokay, Yaşar Sertdemi̇r

Turkish Journal of Biology

This study investigated the developmental toxicity of a plant growth regulator (a type of pesticide) using the frog embryo teratogenesis assay-Xenopus (FETAX). Xenopus laevis embryos were exposed to 11 different concentrations of gibberellic acid (GA_3), from stage 8 to 11, for 96 h under static renewal test conditions. The median lethal concentration (LC_{50}), malformation (EC_{50}), non-observed adverse effect concentration (NOAEC), and lowest observed adverse effect concentration (LOAEC) were calculated. The corresponding LC_{50} and EC_{50} values determined for GA3 exposure were 1117.5 mg/L and 658 mg/L, respectively. The TI (LC50/EC50) value calculated for GA_3 was 1.69. Different anomalies occurred in the …

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The Effect Of Interaction Of Rauwolfia Vomitoria Root Bark Extract With Vitamin E On Rats’ Liver Enzymes, Monday I. Akpanabiatu, Friday E. Uboh, Theresa B. Ekanem, Imeh Ben Umoh, Eyong Ubana Eyong, Sylvanus O. Ukafia Jan 2009

The Effect Of Interaction Of Rauwolfia Vomitoria Root Bark Extract With Vitamin E On Rats’ Liver Enzymes, Monday I. Akpanabiatu, Friday E. Uboh, Theresa B. Ekanem, Imeh Ben Umoh, Eyong Ubana Eyong, Sylvanus O. Ukafia

Turkish Journal of Biology

In our previous paper we demonstrated the influence of Rauwolfia vomitoria root bark extract on cardiac enzymes of normal Wistar rats and the effectiveness of this root bark as a source of antihypertensive agent, as determined by the marker enzymes, would be a useful index for the toxicity of this plant in clinical application. In this paper we present the results of the effect of Rauwolfia vomitoria root bark extract and its interaction with vitamin E on the liver function enzymes, such as alkaline phosphatase (ALP), alanine amino transferase (ALT), aspartate amino transferase (AST), gamma glutamyl transferase (\gamma-GT), and the …

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Genotoxic Effects Of Herbicide Illoxan (Diclofop-Methyl) On Allium Cepa L., Deni̇z Yüzbaşioğlu, Fatma Ünal, Cengi̇z Sancak Jan 2009

Genotoxic Effects Of Herbicide Illoxan (Diclofop-Methyl) On Allium Cepa L., Deni̇z Yüzbaşioğlu, Fatma Ünal, Cengi̇z Sancak

Turkish Journal of Biology

The genotoxic potential of the commercial herbicide Illoxan (containing 284 g/L diclofop-methyl) was determined by using chromosome aberrations in Allium cepa root tip cells. The EC_{50} value was determined as 150.00 mg/L using a root growth inhibition test and then the roots were treated with 37.50, 75.00, and 150.00 mg/L concentrations for 12, 24, and 48 h. The results indicated that Illoxan significantly increased the abnormal cell frequency at all concentrations and treatment periods when compared with their controls, and this increase was dose-dependent for the 24 and 48 h treatments. On the other hand, Illoxan significantly decreased the mitotic …

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Inbreeding Effects On Sperm Production In Clam Shrimp (Eulimnadia Texana), Stephen C. Weeks, Sadie K. Reed, Donald W. Ott, Franca Scanabissi Jan 2009

Inbreeding Effects On Sperm Production In Clam Shrimp (Eulimnadia Texana), Stephen C. Weeks, Sadie K. Reed, Donald W. Ott, Franca Scanabissi

Biology Faculty Research

Hypothesis: Inbreeding depression is manifest in lower sperm production. Organism: Freshwater crustaceans (clam shrimp - Eulimnadia texana), from the southwestern United States, which have high levels of inbreeding. Methods: Comparisons of semi-thin sections of the male gonad among selfed and outcrossed siblings from four families. Results: There was a twofold reduction in sperm production in inbred relative to outcrossed males. Inbreeding depression in males was higher than previous estimates from hermaphrodites. Conclusions: Inbreeding markedly reduces sperm production. The observed low levels of sperm production can explain both the low average outcrossing rates as well as the variation in these rates …

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Vigilance Behavior And Land Use By Sandhill Cranes (Grus Canadensis), Trevor Eldred Jan 2009

Vigilance Behavior And Land Use By Sandhill Cranes (Grus Canadensis), Trevor Eldred

Master's Theses and Doctoral Dissertations

I investigated how vigilance in sandhill crane time budgets changed with behavioral, climatic, and anthropogenic factors. I measured two different postures that could be interpreted as vigilance. Cranes significantly altered the time spent in the alert investigative posture with differences in gender and modal non-vigilant behavior. They significantly altered the time spent in the tall alert posture with differences in gender, breeding status, time of day, traffic on the nearest road, and human disturbances. The southern Michigan populations of sandhill cranes nest closer to roads and houses than they have in the past and do not preferentially avoid them. They …

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Synthesis Of Fatty Acid Binding Protein Inhibitors: A New Approach For Diabetes Treatment, Shekelia Baccus, M. Perry Davis Jr, David R. Magnin Jan 2009

Synthesis Of Fatty Acid Binding Protein Inhibitors: A New Approach For Diabetes Treatment, Shekelia Baccus, M. Perry Davis Jr, David R. Magnin

Journal of the South Carolina Academy of Science

No abstract provided.

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Effect Of Thaw Temperature On Murine Blastocyst Development, Heather M. Barton, H. Lee Higdon Iii, Ph.D., Jennifer E. Graves-Herring M.S., William R. Boone, Ph.D. Jan 2009

Effect Of Thaw Temperature On Murine Blastocyst Development, Heather M. Barton, H. Lee Higdon Iii, Ph.D., Jennifer E. Graves-Herring M.S., William R. Boone, Ph.D.

Journal of the South Carolina Academy of Science

No abstract provided.

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Inheritance Of Shoulder Spotting In The Tetra, Hyphessobrycon Bentosi Characidae, Jack Frankel Jan 2009

Inheritance Of Shoulder Spotting In The Tetra, Hyphessobrycon Bentosi Characidae, Jack Frankel

Department of Biology Faculty Publications

The tetra (Hyphessobrycon bentosi) exhibits two phenotypes associated with shoulder spotting. Fish possess ei-ther a prominent black vertical spot located directly behind the operculum (H. b. bentosi,  bentosi  white  tip  tetra) or  lack  this spot (H. b. rosaceus, rosy tetra). Segregation patterns observed from the progenies of ten different crosses suggest that the  inheritance  of  these  phenotypes  is  controlled  by  two  autosomal  loci  acting  in  a complementary  fashion,  with  domi-nance at both loci required for the expression of the spotted phenotype. 

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Potential For Range Expansion Of The Invasive Green Mussel, Perna Viridis, In The Southeastern United States, Alyson Goodwin Urian Jan 2009

Potential For Range Expansion Of The Invasive Green Mussel, Perna Viridis, In The Southeastern United States, Alyson Goodwin Urian

UNF Graduate Theses and Dissertations

Cold temperatures are thought to be among the most important determining factors of geographic distribution for tropical and sub-tropical marine invertebrates. The Asian green mussel, Perna viridis, has been introduced into coastal waters of Florida where its current distribution is hypothesized to be limited by low temperatures during winter. Lethal and sublethal effects (heat shock protein/ Hsp70 expression) of cold water and air temperatures were analyzed in two size classes of P. viridis from Florida in an effort to determine the effects of current and forecasted temperatures on the potential for range expansion. Mussels were exposed to water temperatures …

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