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Articles 1 - 30 of 225
Full-Text Articles in Life Sciences
Diversity Analyses Of Nonmarine Ostracods (Crustacea, Ostracoda) In Streams Andlakes In Turkey, Mehmet Yavuzatmaca
Diversity Analyses Of Nonmarine Ostracods (Crustacea, Ostracoda) In Streams Andlakes In Turkey, Mehmet Yavuzatmaca
Turkish Journal of Zoology
In order to compare species compositions of ostracods, 25 streams and 15 lakes were sampled in the spring, summer, and autumn seasons of 2018. A total of 26 ostracod species were found in lakes (18 spp.) and streams (12 spp.). The Shannon index (H') and evenness values of streams were higher than in lakes in all seasons. The highest H' values for all combined (lakes + streams) and lake data were reported in the autumn season, and in spring the highest values were in streams. According to the ß-diversity (ß) index values, the variability of ostracod species composition in lakes …
Genetic Polymorphism Of Alpha S1-Casein In Bulgarian Sheep Breeds And Its Effect On Milk Composition, Deyana Gencheva, Petya Veleva, Nikolina Naidenova, Darina Pamukova
Genetic Polymorphism Of Alpha S1-Casein In Bulgarian Sheep Breeds And Its Effect On Milk Composition, Deyana Gencheva, Petya Veleva, Nikolina Naidenova, Darina Pamukova
Turkish Journal of Veterinary & Animal Sciences
The genetic polymorphism of the alpha S1-casein (CSN1S1) was investigated in five sheep breeds reared in Bulgaria: Sofia (Elin-Pelin, SEPL), Copper-Red Shumen (CRSH), Local Karnobat (LKNB), Pleven Blackhead (PLBH), and Stara Zagora (STZG) sheep with an aim to establish the possible effect of a particular genotype on ovine milk composition. Based on nucleotide variation in exon III of the CSN1S1gene, two genetic variants (A and C) and three genotypes (AA, AC, and CC) have been identified using PCR-RFLP analysis on a total of 217 unrelated ewes. The allele frequencies determined a prevalence of the allele C (0.886) over the allele …
Clinical Results Of Triple Tibial Osteotomy Treatment In Cranial Cruciateligament-Deficient Dogs, Mustafa Volkan Yaprakci, Zülfükar Kadi̇r Saritaş
Clinical Results Of Triple Tibial Osteotomy Treatment In Cranial Cruciateligament-Deficient Dogs, Mustafa Volkan Yaprakci, Zülfükar Kadi̇r Saritaş
Turkish Journal of Veterinary & Animal Sciences
Canine cranial cruciate ligament ruptures have become common with improved nutrition and nonselective breeding strategies. This study assessed 7 dogs of various breeds and ages with the diagnosis of cranial cruciate ligament ruptures. The triple tibial osteotomy (TTO) method was used to treat the rupture. All of the dogs were admitted to the clinic for varying degrees of lameness. Diagnosis was confirmed using both clinical and radiologic examinations. Body weights of the dogs were between 12 and 65 kg. Informed consent was given by the owners prior to surgery. Postoperatively, early evaluations were made using periodic radiographs and clinical examinations, …
Applying Stable Isotopes Of Carbon (Δ$^{13}$C) And Nitrogen (Δ$^{15}$N) To Examine The Role Ofpikeperch (Sander Lucioperca Linnaeus, 1758) In Structuring The Food Web Oflake Eğirdir (Central Anatolia), Turkey, Meral Apaydin Yağci, Şenol Akin, Ahmet Alp, Abdulkadi̇r Yağci, Mehmet Cesur, Rahmi̇ Uysal, Fuat Bi̇lgi̇n, Vedat Yegen
Applying Stable Isotopes Of Carbon (Δ$^{13}$C) And Nitrogen (Δ$^{15}$N) To Examine The Role Ofpikeperch (Sander Lucioperca Linnaeus, 1758) In Structuring The Food Web Oflake Eğirdir (Central Anatolia), Turkey, Meral Apaydin Yağci, Şenol Akin, Ahmet Alp, Abdulkadi̇r Yağci, Mehmet Cesur, Rahmi̇ Uysal, Fuat Bi̇lgi̇n, Vedat Yegen
Turkish Journal of Zoology
The aim of this study was to examine the role of pikeperch (Sander lucioperca L., 1758) in structuring the seasonal food web of Lake Eğirdir using carbon (δ$^{13}$C) and nitrogen (δ$^{15}$N) stable isotopes. The samples for stable isotopes were collected during the spring and autumn seasons. Sander lucioperca, as expected, was determined as a top predator with a substantially higher trophic position during both seasons (3.96, spring, δ$^{15}$N (mean ± SE = 13.09 ± 0.17) and δ$^{13}$C (mean ± SE = -17.23 ± 0.19) (4.10, autumn, δ$^{15}$N (mean ± SE = 14.14 ± 0.19) and δ$^{13}$C (mean ± SE = …
Investigation On The Human Coronaviruses Origin (Bats And Pangolins): A Review, James Blackar Mawolo, Caselia Akiti, Harris Kollie Momo
Investigation On The Human Coronaviruses Origin (Bats And Pangolins): A Review, James Blackar Mawolo, Caselia Akiti, Harris Kollie Momo
Turkish Journal of Zoology
A coronavirus related to SARS-CoV-2 has been isolated from Malayan pangolins illegally imported into Guangdong Province. It is not the precursor of SARS-CoV-2, but a comparison of viral genome sequences provides further evidence that the virus currently infecting humans. Bats and pangolins have been suggested as the natural reservoirs of a large variety of viruses. Some researchers have given attention to other species as the origin of coronaviruses and none have referred to bats and pangolins as the two emerging coronaviruses origin, which have caused unexpected human disease outbreaks recently. Severe acute respiratory syndrome coronavirus (SARS-CoV) and the Middle East …
Effects Of Carvacrol Administration On Motor Function Following Spinal Ischemia Andreperfusion, Ayhan Çeti̇nkaya, Çağri Çamsari
Effects Of Carvacrol Administration On Motor Function Following Spinal Ischemia Andreperfusion, Ayhan Çeti̇nkaya, Çağri Çamsari
Turkish Journal of Zoology
The sensitivity of the medulla spinalis to ischemia and reperfusion has been shown in previous in vitro and in vivo studies. However, less is known about the effects of carvacrol administration following ischemia and reperfusion. It was hypothesized that carvacrol might have protective effects on motor neuron functionunder ischemia- and reperfusion-induced oxidative stress. A total of 24 adult Wistar rats were divided into three groups: group I (control group; n = 8), group II (spinal ischemia and reperfusion group; n = 8), and group III (spinal ischemia and reperfusion + carvacrol group; n = 8). Ischemia and reperfusion were performed …
Diurnal Time-Activity Budget And Foraging Techniques Of Red-Crested Pochards(Netta Rufina) Wintering At The Wetlands Of West Bengal, India, Arkajyoti Mukherjee, Sudin Pal, Subhra Kumar Mukhopadhyay
Diurnal Time-Activity Budget And Foraging Techniques Of Red-Crested Pochards(Netta Rufina) Wintering At The Wetlands Of West Bengal, India, Arkajyoti Mukherjee, Sudin Pal, Subhra Kumar Mukhopadhyay
Turkish Journal of Zoology
The present study aimed at recording the time-activity budget and feeding techniques of red-crested pochards (RCPs) to test the hypotheses that feeding techniques were influenced by the sexes and contrasting physical conditions of the habitat. The timeactivity budget was quantified using the scanned sample approach. In this study, the mean sex ratio of the RCPs was recorded as 0.655. Dominant behavior was sleeping or resting (42.8% in February to 47.0% in January), followed by swimming (27.1% in February to 29.8% in December), feeding (10.9% in December to 16.6% in February), and preening (9.0% in January to 12.1% in February). During …
On The Genus Lathrobium Gravenhorst, 1802 Of Kyrgyzstan: Two New Species And Newrecords (Coleoptera: Staphylinidae: Paederinae), Si̇nan Anlaş
Turkish Journal of Zoology
Lathrobium ovchinnikovi sp. nov. and L. klimenkoi sp. nov. from Kyrgyzstan (Fergana Mts.) are described, illustrated and distinguished from other congeners of Middle Asia. L. lackneri Assing, 2007 is reported for the first time since the original description. L. longulum Gravenhorst, 1802 and L. elongatum Linnaeus, 1767 are recorded from Kyrgyzstan for the first time. To date, nine species of the genus are known from Kyrgyzstan. Three of the nine species are endemic to the country; distributions of these species are mapped. A checklist of Lathrobium of Kyrgyzstan is provided.
On The Genus Lobrathium Mulsant & Rey, 1878 Of The Palaearctic Region: A New Speciesfrom Turkey And New Zoogeographic Data (Coleoptera, Staphylinidae: Paederinae), Si̇nan Anlaş
Turkish Journal of Zoology
In this paper, Palaearctic material of the genus Lobrathium Mulsant & Rey from many museums was studied. Lobrathium azizsancari sp. nov. from Turkey was described, illustrated, and distinguished from related congeners. Additional records of 14 Lobrathium species, among them four new country records, were reported. These were L. anale (Lucas) from Libya, L. multipunctum (Fauvel) from Montenegro, L. lederi (Eppelsheim) from Armenia, and L. rugipenne (Hochhuth) from Azerbaijan. Distributional map and a checklist of the Lobrathium species of Turkey were presented.
Genetic Diversity Of Codling Moth Cydia Pomonella L. (Lepidoptera: Tortricidae)Populations In Turkey, Akin Kuyulu, Hani̇fe Genç
Genetic Diversity Of Codling Moth Cydia Pomonella L. (Lepidoptera: Tortricidae)Populations In Turkey, Akin Kuyulu, Hani̇fe Genç
Turkish Journal of Zoology
The codling moth (Cydia pomonella L., Lepidoptera: Tortricidae) is a well-known pest worldwide and was first reported in 1952 in Turkey. It is traditionally controlled with several pesticide applications during each apple production season. The genetic diversity of codling moths was investigated in this study, based on the partial mitochondrial cytochrome oxidase subunite I gene. Twenty-two haplotypes from 9 populations were studied. The results showed an average haplotype and nucleotide diversity of 0.835 and 0.571, respectively. Phylogenetic analyses were indicated for 2 major clades using the maximum likelihood method. Median Joining Network analysis revealed that the 2 major clades are …
Mtdna D-Loop Genetic Diversity Of Common Quail (Coturnix Coturnix) Migratingthrough Ukraine And Spain, Dalius Butkauskas, Antonio Bea, Vadym Yanenko, Petras Prakas, Saulius Svazas, Daiva Vaitkuviene
Mtdna D-Loop Genetic Diversity Of Common Quail (Coturnix Coturnix) Migratingthrough Ukraine And Spain, Dalius Butkauskas, Antonio Bea, Vadym Yanenko, Petras Prakas, Saulius Svazas, Daiva Vaitkuviene
Turkish Journal of Zoology
Populations of common quail (Coturnix coturnix) have recently been declining in Europe. This is the first study of common quail in eastern Europe using molecular markers. The mtDNA D-loop genetic diversity of common quails migrating through Ukraine was analyzed and compared with that of birds migrating via northern Spain in 2017-2018. In samples from 77 birds, 32 polymorphic sites and 30 haplotypes (H1-H30) were identified, only 4 of which were common for birds sampled in both Ukraine and Spain. Phylogenetic analysis indicated 2 well-supported clades. Found were 3 haplotypes clustered in 1 phylogenetic clade only in common quails sampled in …
Impact Of Overwintering Cormorants (Phalacrocorax Carbo) On Springtail(Hexapoda: Collembola) Communities Of The Azov And Black Sea Coastal Forests, Ruslan A. Saifutdinov, Daniil I. Korobushkin
Impact Of Overwintering Cormorants (Phalacrocorax Carbo) On Springtail(Hexapoda: Collembola) Communities Of The Azov And Black Sea Coastal Forests, Ruslan A. Saifutdinov, Daniil I. Korobushkin
Turkish Journal of Zoology
Nesting water bird colonies may act as important drivers of aquatic-terrestrial nutrient turnover in coastal ecosystems. By depositing a large amount of guano, they induce changes in the structure of soils, flora, and fauna. However, little is known about how nesting water bird colonies influence soil fauna, especially in a Mediterranean type of coastal landscape. In this study, focus was placed on how time had elapsed since the last overwintering activity of cormorant colonies, as a factor that affects the structure of springtail communities and edaphic parameters in the Black and Azov Sea coastal forest ecosystems. Black Sea coastal forests …
Occurrence Of Microplastics In The Gastrointestinal Tracts Of Some Edible Fish Speciesalong The Turkish Coast, Sedat Gündoğdu, Cem Çevi̇k, Ni̇han Temi̇z Ataş
Occurrence Of Microplastics In The Gastrointestinal Tracts Of Some Edible Fish Speciesalong The Turkish Coast, Sedat Gündoğdu, Cem Çevi̇k, Ni̇han Temi̇z Ataş
Turkish Journal of Zoology
Plastics have become an inseparable part of modern life as a consequence of their versatility, low cost, durability, and lightweight. In this study, the presence of microplastics (MPs) in the stomachs and digestive tracts of 243 individuals of leaping mullet (Chelon saliens (Risso, 1810)), red mullet (Mullus barbatus barbatus Linnaeus, 1758), surmullet (Mullus surmuletus Linnaeus, 1758), Mediterranean horse mackerel (Trachurus mediterraneus (Steindachner, 1868)), and sand steenbras (Lithognathus mormyrus (Linnaeus, 1758)), collected along the Marmara, Aegean, and Mediterranean coasts of Turkey was examined microscopically and through μ-Raman analysis. A total of 283 MP particles were extracted. Among the examined species, the …
Comparing Landscape Suitability And Permeability With And Without Migration Data: Theinfluence Of Species Movement Behavior, Azita Rezvani, Shima Malakoutikhah, Sima Fakheran, Alireza Soffianian, Mahmoud-Reza Hemami, Josef Senn
Comparing Landscape Suitability And Permeability With And Without Migration Data: Theinfluence Of Species Movement Behavior, Azita Rezvani, Shima Malakoutikhah, Sima Fakheran, Alireza Soffianian, Mahmoud-Reza Hemami, Josef Senn
Turkish Journal of Zoology
Maintaining landscape connectivity through identifying movement corridors is the most recommended conservation strategy to reduce the negative impacts of habitat loss and isolation. The basis of most connectivity modelling approaches for modelling corridors is that species choose movement pathways based on the same criteria they used to choose habitats. However, species behave differently in using landscape elements for moving than for selecting habitat. In other words, suitability of a given landscape feature may differ between moving and habitat use stages. In this study, we evaluated how the availability of migration occurrence points for wild sheep (Ovis orientalis) could affect the …
Length-Weight Relationships Of Invasive Mosquitofish(Gambusia Holbrooki Girard, 1859) In 23 River Basins Of Turkey, Irmak Kurtul, Hasan Musa Sari
Length-Weight Relationships Of Invasive Mosquitofish(Gambusia Holbrooki Girard, 1859) In 23 River Basins Of Turkey, Irmak Kurtul, Hasan Musa Sari
Turkish Journal of Zoology
Gambusia holbrooki Girard, 1859 has established very strong populations in freshwater resources in Turkey after being introduced into Amik Lake (Hatay/Antakya) at the beginning of the 1920s. In this study, it was aimed to determine the female:male ratios and length-weight relationships of G. holbrooki populations in Turkey, which are considered as a threat, especially for endemic species. G. holbrooki specimen were sampled at total of 66 locations, including 39 lentic and 27 lotic locations, between 2016 and 2017. The female:male ratio was 1:0.39 for all of the investigated localities. Length-weight relationships were investigated at 44 sampling locations for the females …
Preliminary Contributions Toward A Revision Of The Ant Genus Temnothorax Mayr(Hymenoptera: Formicidae) From Pakistan, Muhammad Tariq Rasheed, Imran Bodlah, Yusupov Zalimkhan Magomedovich, Ammara Gull E Fareen, Muhammad Adnan Bodlah, Matthew Prebus, Aijaz Ahmad Wachkoo
Preliminary Contributions Toward A Revision Of The Ant Genus Temnothorax Mayr(Hymenoptera: Formicidae) From Pakistan, Muhammad Tariq Rasheed, Imran Bodlah, Yusupov Zalimkhan Magomedovich, Ammara Gull E Fareen, Muhammad Adnan Bodlah, Matthew Prebus, Aijaz Ahmad Wachkoo
Turkish Journal of Zoology
Temnothorax pakistanensis sp. n., a new ant species from Khyber Pakhtunkhwa from the Himalayan range of Pakistan is described based on the worker caste and queen. An identification key and distribution map of the known Pakistani Temnothorax is presented. Summaries of the taxonomic history and biology of the three Temnothorax species of Pakistan is included.
Three New Species Of The Clubiona Corticalis-Group From Southern China(Araneae: Clubionidae), Jianshuang Zhang, Hao Yu
Three New Species Of The Clubiona Corticalis-Group From Southern China(Araneae: Clubionidae), Jianshuang Zhang, Hao Yu
Turkish Journal of Zoology
The present paper reveals three new sac spider species. All of them are distributed in southern China and can be placed in the Clubiona corticalis-group: Clubiona caohai sp. nov. from Guizhou, Clubiona dakong sp. nov. from Tibet and Clubiona yanzhii sp. nov. from Hunan. Diagnosis, detailed descriptions, illustrations and distribution map of these three species are provided.
A Procedure For Taxon Assessment Based On Morphological Variation In European Water Frogs (Pelophylax Esculentus Complex), Katarina Breka, Imre Krizmanic, Tanja Vukov, Srdjan Stamenkovic
A Procedure For Taxon Assessment Based On Morphological Variation In European Water Frogs (Pelophylax Esculentus Complex), Katarina Breka, Imre Krizmanic, Tanja Vukov, Srdjan Stamenkovic
Turkish Journal of Zoology
Methods for morphological identification of water frogs from the Pelophylax esculentus complex have changed over the decades. Still, without resort to genetic analyses, water frogs remain among the most difficult European amphibians to distinguish due to their hybrid nature. The aim of this study was to identify a reliable set of quantitative and qualitative morphological characters that objectively resolve species? identification in the Pelophylax esculentus complex and provide a rapid and robust procedure for taxon identification. Our results showed a substantial difference in morphological characteristics among taxa. The shape and size of the metatarsal tubercle along with the coloration of …
Length-Weight Relationships And Condition Factor Of Five Endemic Fish Species Fromnandu And Wanquan Rivers In Hainan Island, China, Zhice Liang, Xingwei Cai
Length-Weight Relationships And Condition Factor Of Five Endemic Fish Species Fromnandu And Wanquan Rivers In Hainan Island, China, Zhice Liang, Xingwei Cai
Turkish Journal of Zoology
Length-weight relationships (LWRs), length-length relationships (LLRs), and condition factor were estimated for Puntius semifasciolatus (Günther, 1868), Acrossocheilus iridescens (Nichols and Pope, 1927), Plesiomyzon baotingensis (Zheng and Chen, 1980), Hemibagrus hainanensis (Tchang, 1935) and Glyptothorax hainanensis (Nichols and Pope, 1927) obtained from Nandu and Wanquan Rivers in Hainan Island during June 2017 to April 2019. Fish samples were collected by a combination of methods including multinet gillnets (20 m in length, 1.5 m in height, there monofilament panels of mesh sizes: 1.0, 6.0, 12.5 cm), benthic large bag nets (5 meters long, stretching mesh size: 0.5 cm). The LWRs and LLRs …
Mosquito (Diptera: Culicidae) Fauna Of The Velyka Dobron' Game Reserve (West Ukraine) With New Distribution Data And Medical Risk Assessment, Kálmán Szanyi, Antal Nagy, Attila Molnár, László József Szabó, Szabolcs Szanyi
Mosquito (Diptera: Culicidae) Fauna Of The Velyka Dobron' Game Reserve (West Ukraine) With New Distribution Data And Medical Risk Assessment, Kálmán Szanyi, Antal Nagy, Attila Molnár, László József Szabó, Szabolcs Szanyi
Turkish Journal of Zoology
The distribution of mosquito species in the Transcarpathian part of Ukraine is poorly studied. Here we present the results of a four-year survey carried out in the Velyka Dobron' Game Reserve, and provide the actualized checklist of the Transcarpathian Culicidae fauna containing 32 species. Four of the sampled species have not been formerly known in Transcarpathia: Anopheles hyrcanus, Ochlerotatus cataphylla, Ochlerotatus nigrinus, Uranotaenia unguiculata. Based on quantitative composition of studied assemblage, vector potential of species and distribution of transmitted pathogens we evaluate the medical and veterinary risk caused by mosquitoes in Transcarpathian region.
A Faunistic Overview Of Temelucha Förster (Hym., Ichneumonidae, Cremastinae) In Iran, Maryam Zardouei Heydari, Ehsan Rakhshani, Azizollah Mokhtari, Martin Schwarz
A Faunistic Overview Of Temelucha Förster (Hym., Ichneumonidae, Cremastinae) In Iran, Maryam Zardouei Heydari, Ehsan Rakhshani, Azizollah Mokhtari, Martin Schwarz
Turkish Journal of Zoology
Species of the genus Temelucha Förster, 1869 (Hymenoptera, Ichneumonidae, Cremastinae) in Iran are taxonomically overviewed. Sampling was done using Malaise traps and sweeping nets in natural grasslands, forests, orchards and field crops during 2013-2017. Fifteen species are recorded and reviewed, among them 5 species Temelucha albipennis (Zetterstedt, 1838), T. flavia Vas, 2016, T.ophthalmica (Holmgren, 1860), T. pseudocaudata Kolarov, 1982, and T. variipes (Szépligeti, 1899) are new records for the fauna of Iran. T. convergence Zardouei & Rakhshani sp. nov. is described and illustrated. A key to the known species is generated. For all species, brief illustrated diagnoses are also provided.
A New Epigean Pseudoscorpion Species (Pseudoscorpiones: Neobisiidae) From Northeast Of Iran, With An Identification Key To The Species Of The Family Neobisiidae From Iran, Zahra Latifi, Mahrad Nassirkhani, Omid Mirshamsi
A New Epigean Pseudoscorpion Species (Pseudoscorpiones: Neobisiidae) From Northeast Of Iran, With An Identification Key To The Species Of The Family Neobisiidae From Iran, Zahra Latifi, Mahrad Nassirkhani, Omid Mirshamsi
Turkish Journal of Zoology
A new epigean species? Roncus khorasanicus sp.n.-is described on the basis of the description of the adult stage (males) found in north-eastern Iran. A detailed description of the selected morphological characters and accurate illustrations of several diagnostic characters of the new species are provided. Moreover, an identification key to the species of the family Neobisiidae from Iran is presented.
Transmission Of Microsporidium Sp. Between Different Generations Of Crepidopdera Aurata (Coleoptera: Chrysomelidae), Mustafa Yaman
Transmission Of Microsporidium Sp. Between Different Generations Of Crepidopdera Aurata (Coleoptera: Chrysomelidae), Mustafa Yaman
Turkish Journal of Zoology
Microsporidia are mostly very small, intracellular, spore-forming pathogens classified as Protista and reported in every major group of animals. Insects are one of the most widely distributed hosts for microsporidia. Many entomopathogenic microsporidia cause chronic infections in insects and their effects appear as reduced fertility and pupal weight, reduced fecundity and shortened longevity. Crepidopdera aurata (Coleoptera; Chrysomelidae) is one of the most destructive pests in poplar nurseries. The host-parasite relation in microsporidium infections is of great importance to understand the possibilities to use microsporidia in the host?s biological control. In the present study, the transmission of the microsporidian pathogen Microsporidium …
Rotifera Of Various Aquatic Environments Of Costa Rica In Reference To Central American Rotifer Fauna, Natalia Kuczynska-Kippen, Jolanta Ejsmont-Karabin
Rotifera Of Various Aquatic Environments Of Costa Rica In Reference To Central American Rotifer Fauna, Natalia Kuczynska-Kippen, Jolanta Ejsmont-Karabin
Turkish Journal of Zoology
Detailed surveys on rarely examined aquatic ecosystems often lead to the discovery of new species of high conservation value. This study directed towards the recognition of a variety of aquatic environments in Costa Rica (40 habitats, including lakes, wetlands, and small aquatic systems, e.g., ponds, ditches, puddles, tree holes, and bromeliads) established the presence of 105 species of Monogononta representing 33 genera. In total, 91 species and 19 genera were found to be new for Costa Rica, including 29 species recorded for the first time in Central America (e.g., Ascomorpha klementi, Beauchampia crucigera, Brachionus mirabilis, Cephalodella panarista, Filinia saltator, Horaella …
Dna Damage, Oxidative Stress, Decreased Viability And Motility In Common Carp (Cyprinuscarpio L.) Spermatozoa Induced By Tryptophan, Phenylalanine And Cysteine Amino Acids During Short-Term Storage, Mahi̇r Kanyilmaz, Burak Evren İnanan
Dna Damage, Oxidative Stress, Decreased Viability And Motility In Common Carp (Cyprinuscarpio L.) Spermatozoa Induced By Tryptophan, Phenylalanine And Cysteine Amino Acids During Short-Term Storage, Mahi̇r Kanyilmaz, Burak Evren İnanan
Turkish Journal of Zoology
Free amino acids are found in spermatozoa and seminal plasma. Their qualitative and quantitative presence have been affected by many factors. Under in vitro storage conditions, their effects on spermatozoa in animal species and also human have been concerned over the last decades. In this study, the effects of tryptophan, phenylalanine and cysteine on DNA integrity, lipid peroxidation, viability and motility parameters in spermatozoa of the common carp (Cyprinuscarpio) were assessed during short-term storage. Spermatozoa were incubated at 1, 5, 25, and 50 mM of these amino acids in vitro at 4 °C in a time?dependent manner (6, 24, and …
Effect Of Mound Size On Intranest Thermoregulation In The Red Wood Ants Formicarufa And F. Polyctena (Hymenoptera, Formicidae), Stanislav Stukalyuk, Yuri Radchenko, Maksym Netsvetov, Alexey Gilev
Effect Of Mound Size On Intranest Thermoregulation In The Red Wood Ants Formicarufa And F. Polyctena (Hymenoptera, Formicidae), Stanislav Stukalyuk, Yuri Radchenko, Maksym Netsvetov, Alexey Gilev
Turkish Journal of Zoology
Red wood ants are capable of active thermoregulation in the nest, which allows them to achieve a high number of workers and a dominant position in biocenoses. We investigated the features of the spring warm-up and the ability for active thermoregulation of the mounds of the ants Formica polyctena and F. rufa in the vicinity of Kyiv, Ukraine. We have proposed a model of thermoregulation of the mound, which takes into account the heat flow from the sun, heat exchange with air and soil, and endogenous heat generated by the antcolony. The calculation of the model for specific values showed …
The Effect Of Grazing By Geese, Goats, And Fallow Deer On Soil Mites (Acari), Sylwiusz Pacek, Anna Seniczak, Radomir Graczyk, Boguslaw Chachaj, Barbara Waldon-Rudzionek
The Effect Of Grazing By Geese, Goats, And Fallow Deer On Soil Mites (Acari), Sylwiusz Pacek, Anna Seniczak, Radomir Graczyk, Boguslaw Chachaj, Barbara Waldon-Rudzionek
Turkish Journal of Zoology
The study investigated the effects of grazing by geese, goats, and fallow deer on soil mites. It included a total of 360 samples collected in the spring, summer, and autumn of 2016 and 2017 in north-central Poland. Study plots were situated in three pastures grazed by geese, goats, and fallow deer, and three meadows near the pastures served as controls. All study plots were fenced. In total 22,561 mites (Acari) were obtained, including 15,641 Oribatida (69.3%), 4926 Mesostigmata (21.8%), and 1994 other mites (8.9%). Only the abundance of Oribatida (therefore, also total Acari) differed significantly in pastures grazed by different …
Investigation Of Protective Effects Of Lithium Borate On Spermatogenesis And Testes Histopathology Against Cadmium-Induced Acute Toxicity In Rats, Serkan Yildirim, Fati̇h Çağlar Çeli̇kezen, Saadet Belhan, Gökhan Oto, Gi̇zem Eser, Emi̇n Şengül, Dursunali̇ Çinar
Investigation Of Protective Effects Of Lithium Borate On Spermatogenesis And Testes Histopathology Against Cadmium-Induced Acute Toxicity In Rats, Serkan Yildirim, Fati̇h Çağlar Çeli̇kezen, Saadet Belhan, Gökhan Oto, Gi̇zem Eser, Emi̇n Şengül, Dursunali̇ Çinar
Turkish Journal of Zoology
In this study, protective effects of lithium borate (LTB) on spermatogenesis as well as histopathological and immunohistochemical findings of testes in experimentally induced acute Cadmium (Cd) toxicity in rats were determined. Twenty-eight male Wistar albino rats, were used, weighing 200-220 g. Rats were randomly divided into 4 groups: Control, Cd, LTB, and LTB + Cd. Rats were anesthetized with ketamine at the end of the sixth day, blood was taken from their hearts, and the rats were decapitated. Typically, the control and LTB groups exhibited similar values. Compared with those observed for the control group, the sperm morphology (i.e. abnormal …
Evaluation Of Nickel-Induced Brain Injuries In Rats Via Oxidative Stress And Apoptosis:Attenuating Effects Of Hyperoside, Gülşah Yildiz Deni̇z, Serdar Altun
Evaluation Of Nickel-Induced Brain Injuries In Rats Via Oxidative Stress And Apoptosis:Attenuating Effects Of Hyperoside, Gülşah Yildiz Deni̇z, Serdar Altun
Turkish Journal of Zoology
The purpose of this study was to examine whether the administration of nickel (Ni) was associated with cell apoptosis and also to evaluate whether post acute oral exposure to hyperoside would cause histopathologic alterations in rats. Four groups of male Sprague- Dawley rats (n = 7) used in this study were as follows: a control group and groups treated with Ni (as NiCI$_{2}$, 13 mg/kg), hyperoside (Hyp) (50 mg/kg), and Ni + Hyp. Routine histopathological examination methods such as hematoxylin and eosin (H&E), periodic acid-Schiff (PAS), and Congo red staining for amyloid deposits were applied at the end of the …
The Employment Of A Conformal Polydopamine Thin Layer Reduces The Cytotoxicity Ofsilver Nanoparticles, Asli Yilmaz
The Employment Of A Conformal Polydopamine Thin Layer Reduces The Cytotoxicity Ofsilver Nanoparticles, Asli Yilmaz
Turkish Journal of Zoology
Silver nanoparticles (AgNPs) with their unique properties represent great promise in biological applications. However, the high toxicity of AgNPs still remains a major bottleneck and hinders their basic usage. In the present study, to improve the cytotoxicity of AgNPs, a thin layer of polydopamine (PDOP) was proposed as shell material. For this, the as-prepared citrate-stabilized AgNPs were dispersed in dopamine solution under alkaline conditions. The thickness of the PDOP layer could be manipulated simply by tuning the polymerization time. It was indicated that all NP systems (PDOP, AgNP, and AgNP@PDOP) were efficiently synthesized in the desired size and morphology. Cytotoxicity …