Artykuły naukowe | Articles: Ostatnio dodane
Wyświetlanie pozycji 121-140 z 164
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Application of the dendrite analysis in the discussion on the biogeography of the Antarctic
Siciński, Jacek
(Państwowe Wydawnictwo Naukowe, 1986)
The method of construction and division of dendrites proposed by Florek et al. (1951) was used for defining of the Antarctic biojjeographic areas. The affinity matrices of Knox and Lowry (1977) resulting from the analysis ... -
Amphipod crustaceans in the diet of pygoscelid penguins of the King George Island, South Shetland Islands, Antarctica
(Państwowe Wydawnictwo Naukowe, 1981)Information is presented concerning amphipod crustaceans eaten by three penguin species breeding on King George Island: Pygoscelis adeliae, P. antarctica and P. papua. In their stomachs 10 gammaridean and 3 hyperiidean ... -
Tributyltin (TBT) biodegradation induces oxidative stress of Cunninghamella echinulata
(Elsevier Science Limited, 2016-02)Tributyltin (TBT) is one of the most deleterious compounds introduced into natural environment by humans. The ability of Cunninghamella echinulata to degrade tributyltin (TBT) (5 mg l-1) as well as the effect of the ... -
The effect of EDTA and EDDS on lead uptake and localization in hydroponically grown Pisum sativum L.
(Springer, 2013-10-23)Pisum sativum plants were treated for 3 days with an aqueous solution of 100 lM Pb(NO3)2 or with a mixture of lead nitrate and ethylenediaminetetraacetic acid (EDTA) or [S,S]-ethylenediaminedisuccinic acid (EDDS) at ... -
Salt-mediated changes in leaf mesophyll cells of Lycopersicon esculentum Mill. plants
(Faculty of Agriculture, University of Zagreb, 2014-01-01)Five-week-old tomato plants (Lycopersicon esculentum) cv. Perkoz grown in pots containing garden soil in a growth chamber were submitted to 50 or 150 mM NaCl for 1 h, 2 and 5 days. Tomato leaf anatomy generally did not ... -
Changes in the silver fir forest vegetation 50 years after cessation of active management
; Kopeć, Dominik (Polish Botanical Society, 2015-07-03)
Knowledge of the vegetation and the monitoring of its changes in preserved areas is an essential part of effective conservation policy and management. The aim of this study was to assess the effectiveness of traditional ... -
Winter Bird Assemblages in Rural and Urban Environments: A National Survey
(PLOS, 2015-06-18)Urban development has a marked effect on the ecological and behavioural traits of many living organisms, including birds. In this paper, we analysed differences in the numbers of wintering birds between rural and urban ... -
Patterns of year-to-year variation in haemoglobin and glucose concentrations in the blood of nestling Pied Flycatchers Ficedula hypoleuca
Glądalski, Michał; ; ; ; ; ; ; Bańbura, Jerzy (Springer Berlin Heidelberg, 2015-03-17)
Physiological tools can be used to identify the sources and consequences of stressors on animals. Understanding the influences of variation in habitat quality and anthropogenic disturbance on organism condition and ... -
Selected reactive oxygen species and antioxidant enzymes in common bean after Pseudomonas syringae pv. phaseolicola and Botrytis cinerea infection
(Springer, 2014-11-30)Phaseolus vulgaris cv. Korona plants were inoculated with the bacteria Pseudomonas syringae pv. phaseolicola (Psp), necrotrophic fungus Botrytis cinerea (Bc) or with both pathogens sequentially. The aim of the experiment ... -
Immunolocalization of dually phosphorylated MAPKs in dividing root meristem cells of Vicia faba, Pisum sativum, Lupinus luteus and Lycopersicon esculentum
; Żabka, Aneta; Bernasińska, Joanna ; ; (Springer, 2015-02-05)
Key message In plants, phosphorylated MAPKs display constitutive nuclear localization; however, not all studied plant species show co-localization of activated MAPKs to mitotic microtubules. Abstract The mitogen-activated ... -
RNase HI Is Essential for Survival of Mycobacterium smegmatis
(Public Library of Science, 2015-05-12)RNases H are involved in the removal of RNA from RNA/DNA hybrids. Type I RNases H are thought to recognize and cleave the RNA/DNA duplex when at least four ribonucleotides are present. Here we investigated the importance ... -
Determination of the Primary Molecular Target of 1,2,4-Triazole-Ciprofloxacin Hybrids
(Molecular Diversity Preservation International,, 2015-04-09)We have synthesized and examined the antibacterial activity, toxicity and affinity towards bacterial type II topoisomerases of a series of 1,2,4-triazole-ciprofloxacin hybrids. A number of these compounds displayed ... -
Bacteria homologus to Aeromonas capable of microcystin degradation
(DE GRUYTER, 2014-08-20)Water blooms dominated by cyanobacteria are capable of producing hepatotoxins known as microcystins. These toxins are dangerous to people and to the environment. Therefore, for a better understanding of the biological ... -
Spatial distribution and reduction of PCDD/PCDF Toxic Equivalents along three shallow lowland reservoirs
(Springer Berlin Heidelberg, 2013-12-12)Reservoirs situated along a river continuum are ecosystems where rates of transfer of suspended matter and associated micropollutants are reduced due to sedimentation, accumulation, and biological and physical transformation ... -
Who bullies whom at a garden feeder? Interspecific agonistic interactions of small passerines during a cold winter
(Springer Verlag, 2015-03-11)Interspecific agonistic interactions are important selective factors for maintaining ecological niches of different species, but their outcome is difficult to predict a priori. Here, we examined the direction and intensity ... -
Gene and protein expression of glucose transporter 1 and glucose transporter 3 in human laryngeal cancer—the relationship with regulatory hypoxia-inducible factor-1α expression, tumor invasiveness, and patient prognosis
; ; ; Bryś, Magdalena; ; ; (Springer Netherlands, 2014-11-21)
Increased glucose uptake mediated by glucose transporters and reliance on glycolysis are common features of malignant cells. Hypoxia-inducible factor-1α supports the adaptation of hypoxic cells by inducing genes related ... -
Relationship between therapeutic efficacy of doxorubicin-transferrin conjugate and expression of P-glycoprotein in chronic erythromyeloblastoid leukemia cells sensitive and resistant to doxorubicin
Szwed, Marzena; ; (International Society for Cellular Oncology, IOS Press, 2014-11-20)
Background Conjugation of anti-neoplastic agents with human proteins is a strategy to diminish the toxic side effects of anthracycline antibiotics. We have developed a novel doxorubicin-transferrin (DOX-TRF) conjugate ... -
Distinct or similar? Soft bottom polychaete diversity in Arctic and Antarctic glacial fjords
(Springer International Publishing AG, 2014-08-03)The main aim of this study was to compare the polychaete communities in two similar polar areas: an Arctic fjord, Hornsund (Svalbard) and an Antarctic fjord, Ezcurra Inlet (South Shetlands). This is the first attempt to ... -
Alachlor oxidation by the filamentous fungus Paecilomyces marquandii
(Elsevier Science Limited, 2013-06-24)Alachlor, a popular chloroacetanilide herbicide, can be a potential health risk factor. Soil microorganisms are primarily responsible for conversion and migration of alachlor in natural environment, but knowledge concerning ... -
Intracellular proteome expression during 4-n-nonylphenol biodegradation by the filamentous fungus Metarhizium robertsii
(Elsevier, 2014-04-30)4-n-nonylphenol (4-n-NP) is an endocrine disrupting compound (EDC); pollutants that cause serious disturbances in the environment. This study shows the degradation pathway and initial proteome analysis in cultures of a ...