Güncel Gönderiler: Biyoloji-Makale Koleksiyonu
Toplam kayıt 495, listelenen: 181-200
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Mutation of active site residues Asn67 to Ile, Gln92 to Val and Leu204 to Ser in human carbonic anhydrase ii: influences on the catalytic activity and affinity for inhibitors
(Pergamon-Elsevier Science Ltd, 2012)Site-directed mutagenesis has been used to change three amino acid residues involved in the binding of inhibitors (Asn67Ile; Gln92Val and Leu204Ser) within the active site of human carbonic anhydrase (CA, EC 4.2.1.1) II ... -
Seasonal variations in the length of zooplankton related to certain physicochemical variables in two freshwater reservoirs
(Brill Academic Publishers, 2012)Seasonal variations in the body length of zooplankton were studied in relation to water temperature, nitrate (NO3), soluble reactive phosphorus (SRP), total chlorophyll, Secchi disk depth, pH, conductivity, and oxidation-reduction ... -
Influence of abscisic acid on the biology and hemocytes of the model ınsect galleria mellonella (lepidoptera: pyralidae)
(Oxford Univ Press, 2016)Concerns over the ecological impacts of insecticides have led researchers to look for environmentally friendly plant-derived pest control compounds such as plant growth regulators. Here we investigate whether the plant ... -
Kinetic properties of polyphenol oxidase obtained from various olives (Olea europa L.)
(Asian Journal of Chemistry, 2012)In this study, the biochemical properties of olive polyphenol oxidase (PPO) which are known to be the primary reason for enzymatic browning, have been investigated. The polyphenol oxidase of Olea europaea L. cultivars ... -
Composition and in vitro antimicrobial and antioxidant activities of the essential oils of four Thymus species in Turkey
(Asian Journal of Chemistry, 2012)The genus Thymus (Lamiaceae) is represented in Turkey by 38 species. Aerial parts of Thymus canoviridis Jalas (I and II). T cilicicus Boiss. & Bal., T comptus Friv. and T. revolutus Celak. collected from different localities ... -
Comparative anatomical studies on the two stachys species (sect. eriostomum, subsect. germanicae) growing in Turkey
(Academic Journals, 2012)In this study, comparative anatomical studies on the two Stachys species (sect. Eriostomum, subsect. Germanicae) in Turkey were carried out on the plants collected from their type localities. These species are Stachys ... -
Crimean-Congo hemorrhagic fever virus in various ixodid tick species from a highly endemic area
(Elsevier Science Bv, 2012)Ticks are are major vectors of numerous diseases affecting animals and humans. Presence of various tick-borne pathogens such as Crimean-Congo hemorrhagic fever virus (CCHFV) in various tick species was documented. CCHF is ... -
Active constituents of some Satureja L. species and their biological activities
(Academic Journals, 2012)Methanol extracts from the aerial parts of three Satureja L. spp. belonging to the family Lamiaceae were studied. S. cilicica is endemic to Turkey; S. icarica and S. coerulea extend to West Anatolia; S. icarica extends to ... -
Antibacterial activity of selected cameroonian dietary spices ethno-medically used against strains of mycobacterium tuberculosis
(Elsevier Ireland Ltd, 2012)Ethnopharmacological relevance: Tuberculosis (TB) is considered as a re-emerging disease and one of the most important public health problems worldwide. The use or (in most cases) misuse of existint antituberculosis drugs ... -
First record of caligus diaphanus nordmann, 1832 from Turkish marine habitats
(Inst Pesca, 2016)Caligus diaphanus Nordmann,1832 (Copepoda; Caligidae) was reported for the first time from the gill chambers and inner faces of opercula of Chelidonichthys lucerna (Triglidae) from Aegean Sea Coasts in Turkey. Some ... -
Two tridentate Schiff base ligands and their mononuclear cobalt (III) complexes: Synthesis, characterization, antibacterial and antifungal activities
(Pergamon-Elsevier Science Ltd, 2012)Two Schiff base ligands (HL1, HL2) and their Co(III) complexes, [Co(HL1)(L1)] (1) and [Co(HL2)(L2)] (2) [where HL1 = 2-((E)-(2-hydroxyethylimino)methyl)-4-chlorophenol and HL2 = 2-((E)-(2-hydroxyethylimino)methyl)-4-bromophenol] ... -
Purification and characterization of prophenoloxidase from Galleria mellonella L.
(Informa Healthcare, 2012)Prophenoloxidase (PPO) was purified from Galleria mellonella L. A 67-fold purification of the proenzyme with 352% yield was achieved by using a Sepharose 4B-L-tyrosine-p-amino benzoic acid affinity column. The purified ... -
Effects of some metals on paraoxonase activity from shark Scyliorhinus canicula
(Taylor & Francis Ltd, 2012)Paraoxonase (PON) is an organophosphate hydrolyser enzyme which also has antioxidant properties in metabolism. Due to its crucial functions, the inhibition of the enzyme is undesirable and very dangerous. PON enzyme activity ... -
Chemical composition of endemic thymus spathulifolius hausskn. and velen. essential oil and its antimicrobial and antioxidant activity from Turkey
(Taylor & Francis Ltd, 2012)The aim of present study was to compare the antimicrobial and antioxidant activity of Thymus spathulifolius on the basis of the chemical composition of oil obtained by hydrodistillation. The essential oil was analyzed by ... -
Taxonomical notes on Stachys sect. Eriostomum (Lamiaceae) in Turkey
(Tubitak Scientific & Technical Research Council Turkey, 2012)As a part of a revisional study of Stachys L. sect. Eriostomum (Hoffmanns. & Link) Dumort. (Lamiaceae), 4 taxa [S. tymphaea Hausskn., S. thracica Davidov, S. cretica L. subsp. cretica, and S. cretica L. subsp. salviifolia ... -
Antimycobacterial activity some different lamiaceae plant extracts containing flavonoids and other phenolic compounds
(Intech Europe, 2012)Özet Yok -
A new species of cirsium section epitrachys (Asteraceae: Cardueae) from Turkey
(Oxford Univ Press, 2008)Cirsium ekimianum Yildiz & Dirmenci is described from Erzurum province, east Anatolia, Turkey. The diagnostic and morphological characteristics that distinguish it from the allied species C. ellenbergii Bornm. and C. ... -
Length-weight relationships of freshwater fishes of Croatia
(Wiley-Blackwell, 2008)Length–weight relationships (LWRs) are needed in fishery management and conservation. Here we report length-weight relationship parameters for 41 fish species from Croatian freshwaters, including 10 species for which ... -
A pseudo-beta-glucosidase in arabidopsis thaliana: Correction by site-directed mutagenesis, heterologous expression, purification, and characterization
(Maik Nauka/Interperiodica/Springer, 2008)Since At2g25630 is an intronless gene with a premature stop codon, its cDNA encoding the predicted mature beta-glucosidase isoenzyme was synthesized from the previously isolated Arabidopsis thaliana genomic DNA. The stop ... -
Spatial and temporal dynamics of the steady-state phytoplankton assemblages in a temperate shallow hypertrophic lake (Lake Manyas, Turkey)
(Springer Japan KK, 2008)Spatial and temporal dynamics of phytoplankton biomass and species composition in the shallow hypertrophic Lake Manyas, Turkey, were studied biweekly from January 2003 to December 2004 to determine steady-state phases in ...
