Yazar "Sevim, Ali" için listeleme
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Antimicrobial activity of Bacillus strains isolated from spring water and a novel bacteriocin: RS108
The aim of this research was to investigate the bacteriocins produced by Bacillus strains isolated from the spring water of Rize, in Turkey. Bacillus cereus RS108 was identified by both conventional and molecular methods, ... -
Bacteria from Ips sexdentatus (Coleoptera: Curculionidae) and their biocontrol potential
Sevim, Ali; Gökçe, Cihan; Erbaş, Zeynep; Özkan, Filiz (Wiley, 2012)Ips sexdentatus (Coleoptera: Curculionidae) is one of the most destructive pests of the spruce trees in Europe. In this study, we have isolated and characterized culturable bacteria from I. sexdentatus and tested their ... -
Characterization of tetracycline resistance genes in tetracycline-resistant Enterobacteriaceae obtained from a coliform collection
Sandallı, Cemal; Özgümüş, Osman Birol; Sevim, Ali (Springer, 2010)Tetracycline resistance has been used as the key determinant to monitor resistance genes in natural environments such as rivers, lakes or seawater. The aim of this study was evaluate the frequency of tetA, tetB, tetC, tetD ... -
Class 1 and class 2 integrons and plasmid-mediated antibiotic resistance in coliforms isolated from ten rivers in northern Turkey
We aimed to determine the molecular mechanisms of antibiotic resistance in coliforms isolated from ten rivers in northern region of Turkey. A total of 183 isolates were tested for antimicrobial susceptibility by disk ... -
Culturable bacterial microbiota of Plagiodera versicolora (L.) (Coleoptera: Chrysomelidae) and virulence of the isolated strains
Demirci, Meryem; Sevim, Elif; Demir, İsmail; Sevim, Ali (Springer, 2013)Plagiodera versicolora (Laicharting, 1781) (Coleoptera: Chrysomelidae) is an important forest pest which damages many trees such as willow, poplar, and hazelnut. in order to find new microbes that can be utilized as a ... -
Çay üretim aşamalarından izole edilen mayaların tanımlanması
Çay Dünya'da sudan sonra tüketilen en önemli içecektir. Bu çalışmada, çay yapraklarının tarladan fabrikaya gelişi ile başlayan çay işleme aşamalarından ve poşetlenen siyah çaydan izole edilen mayaların tanımlanması ve bir ... -
Determination of the bacterial flora as a microbial control agent of Toxoptera aurantii (Homoptera: Aphididae)
Sevim, Elif; Çelebi, Ömer; Sevim, Ali (Springer, 2012)Toxoptera aurantii (Homoptera: Aphididae) is one of the most important pests of many agricultural plants such as camellia, cocoa and coffee worldwide. The culturable bacterial flora of the pest was determined to find new ... -
Determination of the microflora, quality and mineral substance contents of black tea (Camellia sinensis)
The black tea is produced from different varieties of Camellia sinensis (Linneaus) O. Kutzeafter withering, rolling, fermantation, drying, classification and packing stages of green tea leaves, buds and the parts of fresh ... -
Essential oil compositions of four mushrooms: Scleroderma verrucosum, Cortinarius infractus, Hypholama capnoides and Hypholama fasciculare from Turkey
The chemical composition of the essential oils obtained from four varieties of Mushrooms, ie. Scleroderma verrucosum, Cortinarius infractus, Hypholama capnoides and Hypholama fasciculare were analyzed by GC-MS. 13, 36, 8 ... -
Genetic variability of Beauveria bassiana and Metarhizium anisopliae var. anisopliae isolates obtained from the Eastern Black Sea Region of Turkey
Sevim, Ali; Höfte, Monica; Demirbağ, Zihni (Scientific and Technical Research Council of Turkey, 2012)Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae var. anisopliae (Metschnikoff) Sorokin are the most common entomopathogenic fungi used in microbial control programs all over the world. Assessments of the ... -
Hydrophobin genes of the entomopathogenic fungus, Metarhizium brunneum, are diVerentially expressed and corresponding mutants are decreased in virulence
Sevim, Ali; Donzelli, B.G.G.; Wu, Dongliang; Demirbağ, Zihni; Gibson, Donna M; Turgeon, B Gillian (Springer, 2012)Hydrophobins are small, cysteine-rich, secreted proteins, ubiquitously produced by Wlamentous fungi that are speculated to function in fungal growth, cell surface properties, and development, although this has been rigorously ... -
The internal bacterial diversity of stored product pests
Sevim, Ali; Sevim, Elif; Demirci, Meryem; Sandallı, Cemal (Bmc, 2016)Symbiotic bacteria associated with insects play important roles in different physiological processes such as digestion, insect behavior, defense and providing essential nutrition in insect gut. in addition, these bacteria ... -
Investigation of antibiotic resistance profile and TEM-type β-lactamase gene carriage of ampicillin-resistant Escherichia coli strains isolated from drinking water
Karaoğlu, Şengül Alpay; Özgümüş, Osman Birol; Sevim, Elif; Kolaylı, Fetiye; Sevim, Ali; Yeşilgil, Pınar (Springer Verlag, 2007)Fifty-five ampicillin-resistant (Ampr) Escherichia coli strains were isolated from 51 drinking water points in Rize region containing abundant fresh water sources in Turkey during the years 2000 to 2002 and from January ... -
Investigation of the internal bacterial flora of Eurygaster integriceps (Hemiptera: Scutelleridae) and pathogenicity of the flora members
Çelebi, Ömer; Sevim, Elif; Sevim, Ali (Springer, 2014)Eurygaster integriceps (Hemiptera: Scutelleridae) is one of the most serious pest of wheat and other cereal crops throughout the Near and Middle East including Turkey. To contribute biological control of this pest, we ... -
An investigation on the bacterial flora of Agriotes lineatus (Coleoptera: Elateridae) and pathogenicity of the flora members
Danışmazoğlu, Mehtap; Demir, İsmail; Sevim, Ali; Demirbağ, Zihni; Nalçacıoğlu, Remziye (Elsevier, 2012)The wireworm Agriotes lineatus (L.) (Coleoptera: Elateridae) is a serious agricultural pest of various vegetables and fruits throughout the world. To find an effective and safe biological control agent against this pest, ... -
Isolation and characterization of entomopathogenic fungi from hazelnut-growing region of Turkey
Sevim, Ali; Demir, İsmail; Höfte, Monica; Humber, Richard A.; Demirbağ, Zihni (Springer Link, 2010)Although Turkey is the first among all hazelnut-producing countries, yield per unit area of this crop is low in comparison to other countries, mainly because many insect species seriously damage hazelnut trees and their ... -
Isolation and virulence of entomopathogenic fungi against the great spruce bark beetle, Dendroctonus micans (Kugelann) (Coleoptera: Scolytidae)
Tanyeli, Elif; Sevim, Ali; Demirbağ, Zihni; Eroğlu, Mahmut; Demir, İsmail (Taylor & Francis Online, 2010)Twelve fungal strains including Lecanicillium muscarium (Petch.) Zare and Gams, Isaria farinosa (Holmsk.) Fr., Fusarium sp., Beauveria bassiana Sensu Lato and Beauveria sp. were isolated from larvae and adults of D. micans. ... -
Isolation, characterization and virulence of bacteria from Ostrinia nubilalis (Lepidoptera: Pyralidae)
Seçil, Emrah Sami; Sevim, Ali; Demirbağ, Zihni; Demir, İsmail (Springer, 2012)Isolation, characterization and virulence of the culturable bacteria from entire tissues of larval Ostrinia nubilalis (Hubner) (Lepidoptera: Pyralidae) were studied to obtain new microbes for biological control. A total ... -
Molecular characterization and virulence of beauveria spp. from the pine processionary moth, thaumetopoea pityocampa (Lepidoptera: Thaumetopoeidae)
Sevim, Ali; Demir, İsmail; Demirbağ, Zihni (Springer Link, 2010)The pine processionary moth Thaumetopoea pityocampa (Den. & Schiff.) is one of the most harmful pests to pine species in Mediterranean countries including Turkey. Caterpillars of T. pityocampa are not only significantly ... -
Molecular characterization of antibiotic resistant Escherichia coli strains isolated from tap and spring waters in a coastal region in Turkey
A hundred and seventeen antibiotic-resistant Escherichia coli strains were isolated from public tap and spring waters which were polluted by fecal coliforms. There were no significant differences between two water sources ...
