Güncel Gönderiler: FEF, Biyoloji Bölümü Koleksiyonu
Toplam kayıt 559, listelenen: 181-200
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Nitric oxide could allay arsenic phytotoxicity in tomato (Solanum lycopersicum L.) by modulating photosynthetic pigments, phytochelatin metabolism, molecular redox status and arsenic sequestration
(Elsevier France-Editions Scientifiques Medicales, 2021)Plants do not always have the genetic capacity to tolerate high levels of arsenic (As), which may not only arrest their growth but pose potential health risks through dietary bioaccumulation. Meanwhile, the interplay between ... -
Status of the invasive mosquito species Aedes aegypti (L., 1762) and Aedes albopictus (Skuse, 1895) (Diptera: Culicidae) in Turkey
(Türkiye Entomoloji Derneği, 2021)Aedes aegypti (L., 1762) and Aedes albopictus (Skuse, 1895) (Diptera: Culicidae) are important vectors of arboviruses. In Turkey, Ae. albopictus eggs were detected in the Thrace area of northwestern Turkey for the first ... -
Genetic diversity and population structure of Tarek (Alburnus tarichi), an endemic species to the Lake Van basin, Turkey
(ADP Sciences, 2021)In this study, the genetic relationships of 804 tarek (Alburnus tarichi) samples from a total of 18 populations, including the potamodromus and resident individuals from Lake Van basin in eastern Turkey, were studied by ... -
Synthesis and antimicrobial, antiproliferative evaluation of novel quinolone and conazole analogues via conventional and microwave techniques
(Wiley, 2021)1,2,4-Triazole-3-one (3), acquired from cinnamaldehyde was converted to the corresponding carbox(thio)amides via several steps (6 a-c). Their reaction with sodium hydroxide gave the 1,2,4-triazole derivatives (7 a-c). ... -
Antimicrobial, cytotoxic, antiviral wffects, and apectroscopic characterization of metabolites produced by fusarium oxysporum YP9B
(ACG Publications, 2021)The goal of the work is to determine the bioactive pharmaceutical metabolites produced by the Fusarium oxysporum YP9B isolate. Ten new natural compounds were isolated from the ethyl acetate extract of the F. oxysporum YP9B ... -
New chlorogenic acid derivatives and triterpenoids from Scorzonera aucheriana
(The Scientific and Technological Research Council of Turkey-TUBİTAK, 2021)Chromatographic separation of n-hexane and ethyl acetate fraction of a crude methanol extract obtained from aerial parts of the Scorzonera aucheriana DC collected from Sivas province of Turkey yielded nine natural compounds; ... -
Design and microwave-assisted synthesis of a novel Mannich base and conazole derivatives and their biological assessment
(Walter de Gruyter, 2021)4-Amino-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (1) was converted to the corresponding Schiff base (2) by treatment with salicylaldehyde. 1,2,4-Triazoles were then converted to the corresponding Mannich bases containing ... -
Toxic efficacy of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plant crude extracts against nymphs and adults of Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae) under laboratory conditions
(Entomological Society of Turkey, 2021)The planthopper, Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae), is an important agricultural pest of grapevine, kiwifruit and tea in Asia and in some countries of Eastern Europe. The efficacy of the crude ... -
Essential oil composition, antimicrobial and antioxidant activities of Salvia staminea
(2018)Volatile constituents of the essential oil which was obtained by hydrodistillation (HD) in a Clevengertype apparatus from the air-dried Salvia staminea Montbret & Aucher ex Bentham (Lamiaceae) collected from Bayburt (North ... -
The lowland meadow vegetation of the central Black Sea Region of Turkey
(2014)Türkiye'nin Orta Karadeniz Bölgesinde ova alanların çayır vejetasyonu Braun-Blanquet metodu veTWINSPAN kümeleme, CCA ve DECORANA ordinasyon yöntemleriyle analiz edilmiştir. Araştırmaalanında üç yeni bitki birliği tanımlanmıştır. ... -
Tragopogon abbreviatus (Asteraceae): a little-known species inferred from morphological and molecular analysis
(2020)Tragopogon porrifolius occurs in Turkey with 3 taxonomically confused subspecies: T. porrifolius subsp. eriospermus, T. porrifolius subsp. longirostris, and T. porrifolius subsp. abbreviatus. In the present paper, T. ... -
Synthesis and biological evaluation of a new series of 4-alkoxy-2-arylquinoline derivatives as potential antituberculosis agents
(2015)Three new series of 33 quinolone compounds, 2-(2-, 3-, and 4-fluorophenyl)-4-O-alkyl(C5−15) quinolines (7a– k, 8a–k, and 9a–k), were synthesized from 2-(2-, 3-, and 4-fluorophenyl)-2,3-dihydroquinolin-4(1H )-one (4, ... -
Antibacterial activity of bryophyte species against Paenibacillus larvae isolates
(2017)This study was performed to determine the antibacterial activity of methanol extracts of 23 bryophyte species against Paenibacillus larvae isolates that cause American foulbrood diseases in honeybee larvae. The honey and ... -
Chemical composition and antimicrobial activity of the essential oils of five Scrophularia L. Species from Turkey
(2017)The essential oils of the five Scrophularia species; Scrophularia chrysantha Jaub. et Spach, Scrophularia kotschyana Benth., Scrophularia olympica Boiss., Scrophularia cinerascens Boiss. and Scrophularia zuvandica Grossh. ... -
Cloning, expression, and characterization of a novel CTP synthase gene from Anoxybacillus gonensis G2
(2014)The cytidine-5'-triphosphate (CTP) synthase (EC 6.4.3.2) gene (pyrG) was cloned and sequenced from the thermophilic bacterium Anoxybacillus gonensis G2 (Ago). The gene is 1590 bp in length and encodes a protein of 530 amino ... -
Composition of the essential oil of Salvia montbretii Benth. from Turkey
(2018)The composition of the essential oil produced from aerial parts of Salvia montbretii Benth.(Lamiaceae), was analyzed by GC and GC-MS. Forty-six compounds constituting about 97.7% of the essential oil were characterized.The ... -
Antimicrobial activity and composition of rindera lanata (LAM.) bunge var. canescens (A.D.C.) Kosn. essential oil obtained by hydrodistillation and microwave assisted sistillation
(2017)The composition of essential oils of Rindera lanata (LAM). Bunge var. canescens (A.D.C) Kosn. obtained by hydro-distillation (HD) and microwave assisted distillation (MW) by GC, GC/MS. Thirty three and thirty nine compounds ... -
Determination of the microflora, quality and mineral substance contents of black tea (Camellia sinensis)
(2016)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 ... -
Some toxic effects of ammonium sulfate fertilizer to rana macrocnemis tadpoles from Rize (black sea region), Turkey
(2017)The aim of this study was to investigate the toxic effects of ammonium sulfate in Rana macrocnemis tadpoles. So, the animals were exposed to six different concentrations of ammonium sulfate (50, 75, 100, 150, 250 and 500 ... -
The chemical composition of the essential oil, SPME and antimicrobial activity of rhododendron caucasicum pall
(2019)The aim of this research was to investigate the effect of different extraction methods and chemical composition of the essential oil and solid-phase microextraction (SPME) from Rhododendrum caucasium Pall. The volatiles ...