The essential DNA polymerases delta and epsilon are involved in repair of UV-damaged DNA in the yeast Saccharomyces cerevisiae.

abstract：:The activity of the pyruvate dehydrogenase complex (PDC) purified from pig kidney medulla was affected by K+, Na+, Cl-, HCO3-, HPO4(2-) and changes in ionic strength. Increased ionic strength influenced the activity of PDC from medulla by decreasing the Vmax and S0.5 for pyruvate and increasing the Hill coefficient. T...

journal_title：Acta biochimica Polonica

authors： Pawełczyk T,Olson MS

更新日期：1993-01-01 00:00:00

abstract：:Mitochondria were prepared from rat liver, solubilized with Triton X-100 and submitted to chromatography on dry hydroxylapatite. The pass-through from the column, containing a mixture of mitochondrial carriers, was processed further by triazine dye affinity chromatography and optimal conditions for binding and elution...

journal_title：Acta biochimica Polonica

authors： Szewczyk A,Poddana H,Nałecz MJ

更新日期：1990-01-01 00:00:00

abstract：:People are exposed to heavy metals both in an occupational and natural environment. The most pronounced effects of heavy metals result from their interaction with cellular genetic material packed in form of chromatin. Heavy metals influence chromatin, mimicking and substituting natural microelements in various process...

journal_title：Acta biochimica Polonica

authors： Sas-Nowosielska H,Pawlas N

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Tunneled catheters are becoming increasingly used as a permanent dialysis access. Easy way of insertion and good long-term patency make them competitive to fistulas in some groups of patients. METHODS:Late complications and survival of 180 tunneled catheters inserted from June 2010 to December 2013 in 171 u...

journal_title：Acta biochimica Polonica

authors： Weber E,Liberek T,Wołyniec W,Gruszecki M,Rutkowski B

更新日期：2016-01-01 00:00:00

abstract：:Some properties of the sulphate transport system and the isolation of sulphate permease mutants in E. coli K12 are described. The gene coding for sulphate permease is located in the same region as the cysA gene in Salmonella typhimurium. ...

journal_title：Acta biochimica Polonica

authors： Karbonowska H,Wiater A,Hulanicka D

更新日期：1977-01-01 00:00:00

abstract：:Mushroom foraging is very popular in some regions of the world. Sometimes toxic and edible mushrooms are mistaken by mushroom collectors, leading to serious human poisoning. The group of mushrooms highly dangerous for human health includes Amanita phalloides. This mushroom produces a toxic octapeptide called α-amaniti...

journal_title：Acta biochimica Polonica

authors： Muszyńska K,Ostrowska D,Bartnicki F,Kowalska E,Bodaszewska-Lubaś M,Hermanowicz P,Faulstich H,Strzałka W

更新日期：2017-01-01 00:00:00

abstract：:The myosin heavy chain (MHC) was studied by biochemical methods in the slow-twitch (soleus) and two fast-twitch leg muscles of the triiodothyronine treated (hyperthyroid), thyroidectomized (hypothyroid) and euthyroid (control) rats. The changes in the contents of individual MHC isoforms(MHC-1, MHC-2A, MHC-2B and MHC-2...

journal_title：Acta biochimica Polonica

authors： Jakubiec-Puka A,Ciechomska I,Mackiewicz U,Langford J,Chomontowska H

更新日期：1999-01-01 00:00:00

abstract：:Oxalate oxidase was identified in mycelial extracts of a basidiomycete Abortiporus biennis strain. Intracellular enzyme activity was detected only after prior lowering of the pH value of the fungal cultures by using oxalic or hydrochloric acids. This enzyme was purified using size exclusion chromatography (Sephadex G-...

journal_title：Acta biochimica Polonica

authors： Grąz M,Rachwał K,Zan R,Jarosz-Wilkołazka A

更新日期：2016-01-01 00:00:00

abstract：:Cytosine nucleoside deaminase (EC 3.5.4.5) from Salmonella typhimurium LT2 catalyses the deamination of ribo-, deoxyribo- and arabinosyl nucleosides of cytosine alkylated at the C-5, but not at the N3 or exocyclic N4, of the pyrimidine ring. The enzyme was inert towards analogues etherified at the 3'-OH and 5'-OH of t...

journal_title：Acta biochimica Polonica

authors： Krajewska E,Shugar D

更新日期：1975-01-01 00:00:00

abstract：:Signalling concerns the transfer of information from one body, a source, to another, a receiver in order to stimulate activity. The problem arises with the word information. It is defined as what is transferred in a sequence of things, say between people, e.g. words or signs. The idea of signalling between people is t...

journal_title：Acta biochimica Polonica

authors： Williams RJ

更新日期：2004-01-01 00:00:00

abstract：:Tautomerism of the cytosine molecule is discussed in connection with recent experimental matrix-isolation infrared spectroscopic measurements and recent ab initio calculations of relative stabilities of tautomers and of IR spectra for different tautomeric forms of the compound. Experimental IR spectra in the N-H and O...

journal_title：Acta biochimica Polonica

authors： Kwiatkowski JS,Person WB,Szczepaniak K,Szczesniak M

更新日期：1987-01-01 00:00:00

abstract：:The urinary tract is vulnerable to frequent challenges from environmental microflora. Uropathogenic Escherichia coli (UPEC) makes a major contribution to urinary tract infection (UTI). Previous studies have characterized positive roles of non-histone nuclear protein HMGN2 in lung epithelial innate immune response. In ...

journal_title：Acta biochimica Polonica

authors： Tian H,Miao J,Zhang F,Xiong F,Zhu F,Li J,Wang X,Chen S,Chen J,Huang N,Wang Y

更新日期：2018-01-01 00:00:00

abstract：:Little is known about the molecular background of clinical variability of Charcot-Marie-Tooth type 1A (CMT1A) disease and hereditary neuropathy with liability to pressure palsies (HNPP). The CMT1A and HNPP disorders result from duplication and deletion of the PMP22 gene respectively. In a series of studies performed o...

journal_title：Acta biochimica Polonica

authors： Sinkiewicz-Darol E,Kabzińska D,Moszyńska I,Kochański A

更新日期：2010-01-01 00:00:00

abstract：:Adenylate deaminase (EC 3.5.4.6) has been isolated from the hearts of healthy rats and from the rats with cardionecrosis induced by administration of vitamin D in high doses. Crude extract from the necrotic hearts catalysed adenylate deamination with a higher maximum velocity and a higher apparent Km value than the ex...

journal_title：Acta biochimica Polonica

authors： Zydowo M,Walentynowicz O,Wrzołkowa T

更新日期：1980-01-01 00:00:00

abstract：:The biodegradability and biocompatibility properties of ε-caprolactone homopolymers place it as a valuable raw material, particularly for controlled drug delivery and tissue engineering applications. However, the usefulness of such materials is limited by their low hydrophilicity and slow biodegradation rate. In order...

journal_title：Acta biochimica Polonica

authors： Todea A,Badea V,Nagy L,Kéki S,Boeriu CG,Péter F

更新日期：2014-01-01 00:00:00

abstract：:The VEGF family members are important factors in promoting angiogenesis and lymphangiogenesis in malignant processes. The aim of this study was to investigate plasma concentrations of VEGF-A, VEGF-B and their soluble VEGFR-1 receptor and their diagnostic utility and potency as compared to CA 15-3 in breast cancer pati...

journal_title：Acta biochimica Polonica

authors： Zajkowska M,Lubowicka E,Malinowski P,Szmitkowski M,Ławicki S

更新日期：2018-12-13 00:00:00

abstract：:In this study we investigated the level of 8-oxo-2'-deoxyguanosine (8-oxodG) in DNA of Cardamine pratensis plants subjected to different growth conditions trying to answer the question whether factors like light and water accessibility or low temperature may have an impact on the total DNA oxidative damage. The level ...

journal_title：Acta biochimica Polonica

authors： Białkowski K,Oliński R

更新日期：1999-01-01 00:00:00

abstract：:Aspergillus fumigatus is one of the most prevalent airborne fungal pathogens causing infections worldwide. Most A. fumigatus strains are susceptible to azoles, which are administered as the first line therapeutics. However, during last decade the acquired resistance to triazoles by these species has been described. Th...

journal_title：Acta biochimica Polonica

authors： Brillowska-Dąbrowska A,Mroczyńska M,Nawrot U,Włodarczyk K,Kurzyk E

更新日期：2015-01-01 00:00:00

abstract：:Recent reports indicate that minichromosomes and other small genetic entities may occur in the nuclei of uninfected higher plants. They become especially abundant under some special growth conditions and, sometimes, resemble extrachromosomal genes of ciliated protozoa. An example of such gene-sized DNA species was iso...

journal_title：Acta biochimica Polonica

authors： Buchowicz J

更新日期：1997-01-01 00:00:00

abstract：:Monoclonal antibodies (MAb 1-7-1) directed against the isoenzymes of rat liver cytochrome P-450 induced by methylcholanthrene, inhibited benzo(a)pyrene hydroxylase less strongly at low (0.04 mM) than at high (2 mM) NADH concentration. Inhibition of NADPH dependent hydroxylation was the same irrespective of NADPH conce...

journal_title：Acta biochimica Polonica

authors： Brauze D,Mikstacka R,Pelkonen O

更新日期：1990-01-01 00:00:00

abstract：:A role of carotenoids as modulators of physical properties of model and biological membranes has been already postulated. However, there is a lack of information on the influence of these pigments on interactions between the lipids which form such membranes. This paper applies atomic force microscopy (AFM) in to study...

journal_title：Acta biochimica Polonica

authors： Augustyńska D,Jemioła-Rzemińska M,Burda K,Strzałka K

更新日期：2012-01-01 00:00:00

abstract：:The object of this paper is to review briefly the studies on the interaction of red blood cell membrane skeletal proteins and their non-erythroid analogues with lipids in model systems as well as in natural membranes. An important question to be addressed is the physiological significance and possible regulatory molec...

journal_title：Acta biochimica Polonica

authors： Sikorski AF,Hanus-Lorenz B,Jezierski A,Dluzewski AR

更新日期：2000-01-01 00:00:00

abstract：:Description of the recognition specificity between proteins and nucleic acids at the level of molecular interactions is one of the most challenging tasks in biophysics. It is key to understanding the course and control of gene expression and to the application of the thus acquired knowledge in chemotherapy. This revie...

journal_title：Acta biochimica Polonica

authors： Stolarski R

更新日期：2003-01-01 00:00:00

abstract：:1. Susceptibility to inhibitors of neutral protease from calf thymus chromatin has been compared with that of trypsin. The chromatin protease reacts stoichiometrically with the inhibitors specific for trypsin (diisopropylfluorophosphate, tosyl-lysyl chloromethane, soybean trypsin inhibitor and Kunitz basic inhibitor f...

journal_title：Acta biochimica Polonica

authors： Kowalska-Loth B,Zieleński J,Toczko K,Chmielewska I

更新日期：1976-01-01 00:00:00

abstract：:1. The insoluble collagen from Guerin epithelioma was isolated and its chemical composition was determined. The unusually high histidine content is accompanied in tumour collagen by a relatively small amount of lysine and arginine. 2. The isolated protein was strongly bound to glycoprotein, which could not be removed ...

journal_title：Acta biochimica Polonica

authors： Bańkowski E,Galasiński W,Gindzieẃski A,Rzeczycki W

更新日期：1975-01-01 00:00:00

abstract：:Nano- and microemulsions containing as the oil phase caprylic/capric propylene glycol diesters (Crodamol PC) were investigated as potential vehicle for controlled release of geranic acid. The influence of emulsifiers and co-surfactants on stability of the emulsions was investigated. Different kind of polysorbates (eth...

journal_title：Acta biochimica Polonica

authors： Jaworska M,Sikora E,Ogonowski J,Konieczna M

更新日期：2015-01-01 00:00:00

abstract：:The aim of this study was to determine the level of antibodies against hemagglutinin of influenza viruses in the sera of people in the seven age groups in the epidemic season 2018/2019 in Poland. The level of anti-hemagglutinin antibodies was determined by hemagglutination inhibition test (HAI). 1050 clinical samples ...

journal_title：Acta biochimica Polonica

authors： Hallmann-Szelińska E,Szymański K,Łuniewska K,Kondratiuk K,Brydak LB

更新日期：2020-03-17 00:00:00

abstract：:The present study was undertaken to evaluate the protective effects of Linum usitatissimum oil (LuO) against sub-chronic Roundup (RDP)-induced toxicity and oxidative stress in rats. Rats were divided into four groups: control group (no treatment), RDP group (Roundup at 269.9 mg/kg b.w.), LuO group (0.5 g/kg b.w. of Lu...

journal_title：Acta biochimica Polonica

authors： Djaber N,Ounaceur LS,Moubine BN,Khaldi T,Rouag M,Berrouague S,Amara H,Taibi F,Boumendjel M,Boumendjel A,Messarah M

更新日期：2020-03-18 00:00:00

abstract：:Pseudomonas aeruginosa is the most common cause of chronic and recurrent lung infections in patients with cystic fibrosis (CF) whose sputa contain copious quantities of P. aeruginosa toxin, pyocyanin. Pyocyanin triggers tissue damage mainly by its redox cycling and induction of reactive oxygen species (ROS). The react...

journal_title：Acta biochimica Polonica

authors： Cheluvappa R,Shimmon R,Dawson M,Hilmer SN,Le Couteur DG

更新日期：2008-01-01 00:00:00

abstract：:Dendrimers are a new class of polymeric materials. They are highly branched, monodisperse macromolecules. The structure of these materials has a great impact on their physical and chemical properties. As a result of their unique behaviour dendrimers are suitable for a wide range of biomedical and industrial applicatio...

journal_title：Acta biochimica Polonica

authors： Klajnert B,Bryszewska M

更新日期：2001-01-01 00:00:00