Temat: Arabidopsis thaliana - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The plant Nudix hydrolase family
Autorzy:: Kraszewska, Elżbieta
Powiązania:: https://bibliotekanauki.pl/articles/1040666.pdf
Data publikacji:: 2008
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: Nudix
MutT
Arabidopsis thaliana
plant
pyrophosphohydrolase
hydrolase
Opis:: Nudix hydrolases are a family of proteins defined by a conserved amino-acid sequence GX5-EX7REUXEEXGU, where U is a hydrophobic residue. These enzymes are widely distributed among all classes of organisms and catalyze, with varying degrees of substrate specificity, the hydrolysis of a variety of nucleoside diphosphate derivatives: nucleoside di- and triphosphates and their oxidized forms, dinucleoside polyphosphates, nucleotide sugars, NADH, coenzyme A and the mRNA cap. Nudix proteins are postulated to control the cellular concentration of these compounds. The genome of the model plant Arabidopsis thaliana contains 29 genes coding for putative Nudix hydrolases. Recently, several Arabidopsis Nudix genes have been cloned and their products characterized. This review summarizes current knowledge on these plant enzymes and discusses their possible cellular functions.
Źródło:: Acta Biochimica Polonica; 2008, 55, 4; 663-671
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A diadenosine 5',5''-P1P4 tetraphosphate (Ap4A) hydrolase from Arabidopsis thaliana that is activated preferentially by Mn2+ ions
Autorzy:: Szurmak, Blanka
Wysłouch-Cieszyńska, Aleksandra
Wszelaka-Rylik, Małgorzata
Bal, Wojciech
Dobrzańska, Marta
Powiązania:: https://bibliotekanauki.pl/articles/1040832.pdf
Data publikacji:: 2008
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: Nudix
Ap_4A hydrolase
Arabidopsis thaliana
manganese
Opis:: Asymmetrical diadenosine 5',5''-P1P4 tetraphosphate (Ap4A) hydrolases are key enzymes controlling the in vivo concentration of Ap4A - an important signaling molecule involved in regulation of DNA replication and repair, signaling in stress response and apoptosis. Sequence homologies indicate that the genome of the model plant Arabidopsis thaliana contains at least three open reading frames encoding presumptive Ap4A hydrolases: At1g30110, At3g10620, and At5g06340. In this work we present efficient overexpression and detailed biochemical characteristics of the AtNUDX25 protein encoded by the At1g30110 gene. Aided by the determination of the binding constants of Mn(Ap4A) and Mg(Ap4A) complexes using isothermal titration calorimetry (ITC) we show that AtNUDX25 preferentially hydrolyzes Ap4A in the form of a Mn2+ complex.
Źródło:: Acta Biochimica Polonica; 2008, 55, 1; 151-160
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The effect of bisphenol A on growth, pigment composition and photosystem II activity of Arabidopsis thaliana
Autorzy:: Rąpała, Michał
Pluciński, Bartosz
Jedynak, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/1038576.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: BPA
bisphenol A
Arabidopsis thaliana
seedlings
plants
chlorophyll
Opis:: Bisphenol A (BPA) is a widely used chemical, that can potentially be toxic to plants. In this study we examined the toxicity of 5-50 mg/l of BPA on Arabidopsis thaliana. Additionally, the effects of 0.5-5 mg/l of BPA were examined after four weeks of development. BPA had no effect on the germination rate and the chlorophyll a/b ratio. The chlorophyll a and carotenoid content was significantly elevated in seedlings treated with 5 mg/l of BPA. In 4-week-old plants there was no change in the chlorophyll and carotenoid content and photosynthetic parameters (Fv/Fm, Fv/F0 and PI) were unaffected, which suggests no photoinhibition. No oxidative stress symptoms were observed. BPA significantly decreased leaf protein content. A low concentration of BPA seems to have no significant effect on A. thaliana flowering, but further investigation is needed. The results obtained indicate that a low concentration of BPA has no negative effect on the growth and development of A. thaliana.
Źródło:: Acta Biochimica Polonica; 2017, 64, 3; 407-413
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Exogenous steroid hormones stimulate full development of autonomous endosperm in Arabidopsis thaliana
Autorzy:: Rojek, J.
Pawelko, L.
Kapusta, M.
Naczk, A.
Bohdanowicz, J.
Powiązania:: https://bibliotekanauki.pl/articles/59176.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: steroid hormone
endosperm
Arabidopsis thaliana
apomixis
DNA methylation
Opis:: Most flowering plants, including important crops, require double fertilization to form an embryo and endosperm, which nourishes it. Independence from fertilization is a feature of apomictic plants that produce seeds, from which the plants that are clones of the mother plant arise. The phenomenon of apomixis occurs in some sexual plants under specific circumstances. Since the launch of a fertilization-independent mechanism is considered a useful tool for plant breeding, there have been efforts to artificially induce apomixis. We have been able to produce fertilization-independent endosperm in vitro in Arabidopsis over the last few years. This paper demonstrates the methods of improving the quality of the endosperm obtained using plant and mammalian steroid hormones. Additionally, it shows the study on the autonomous endosperm (AE) formation mechanism in vitro. This paper examines the effect of exogenous steroid hormones on unfertilized egg and central cell divisions in culture of unpollinated pistils of Arabidopsis Col-0 wild-type andfie-1 mutant. All media with hormones used (estrone, androsterone, progesterone, and epibrassinolide) stimulated central cell divisions and fertilization-independent endosperm development. The stages of AE development followed the pattern of Arabidopsis thaliana wild type after fertilization. Subsequent stages of AE were observed from 2-nuclear up to cellular with the most advanced occurring on medium with 24-epibrassinolide and progesterone. The significant influence of mammalian sex hormones on speed of AE development and differentiation was noticed. Using restriction analysis, the changes in methylation of FIE gene was established under in vitro condition. The authors of this paper showed that Arabidopsis thaliana has a high potency to fertilization-independent development.
Źródło:: Acta Societatis Botanicorum Poloniae; 2015, 84, 2
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Cadmium-treated Arabidopsis thaliana reveal a regulatory role of glutathione in superoxide dismutase
Autorzy:: Jozefczak, M.
Keunen, E.
Schat, H.
Remans, T.
Vangronsveld, J.
Cuypers, A.
Powiązania:: https://bibliotekanauki.pl/articles/80828.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
cadmium
Arabidopsis thaliana
glutathione
superoxide dismutase
phytochelatin
ascorbate
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: The location of fusion protein AUX1-YFP in a transgenic callus of Arabidopsis thaliana
Autorzy:: Fautynowicz, L.
Tretyn, A.
Wisniewska, J.
Powiązania:: https://bibliotekanauki.pl/articles/951189.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: fusion protein
auxin
Arabidopsis thaliana
P-glycoprotein
indole-3-acetic acid
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Abscisic acid does not influence the subcellular distribution of the HYL1 protein from Arabidopsis thaliana
Autorzy:: Lesicka-Górecka, Joanna
Szarzyńska, Bogna
Sawczak, Marta
Bagdiul, Ivona
Górski, Paweł
Jarmołowski, Artur
Szweykowska-Kulińska, Zofia
Powiązania:: https://bibliotekanauki.pl/articles/1040709.pdf
Data publikacji:: 2008
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: subcellular distribution
abscisic acid
Arabidopsis thaliana
expression profile
HYL1 protein
Opis:: HYL1 is a nuclear protein involved in the processing of miRNAs but its exact function remains unknown. Arabidopsis thaliana hyl1 mutants exhibit hypersensitivity to ABA. We decided to answer the question whether ABA affects the HYL1 protein localization within the cell and show that it does not. We also studied the expression of HYL1 in different tissues and organs. In this paper we show for the first time the expression profile of the HYL1 protein using anti-HYL1 antibodies. The protein is present in seedlings and mature plants in all organs studied, with the highest amount in inflorescences. A. thaliana HYL1 protein has several repetitions of a 28-amino-acid sequence at the C-terminus that confer protein instability. Our bioinformatic analysis of HYL1 homologs in different Brassica species shows that this repetition is typical only for Arabidopsis. This may suggest a relatively late evolutionary acquisition of the C-terminal domain.
Źródło:: Acta Biochimica Polonica; 2008, 55, 3; 517-524
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Cucumber HMA5A and HMA5B are two tonoplast-localized homologs of Arabidopsis thaliana heavy metal ATPase HMA5 involved in cellular heavy metal homeostasis
Autorzy:: Migocka, M.
Papierniak, A.
Posyniak, E.
Powiązania:: https://bibliotekanauki.pl/articles/81291.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
Arabidopsis thaliana
ATPase
homeostasis
heavy metal
gene encoding
tonoplast membrane
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Stabilization of actin filaments with phalloidin has no influence on chloroplast movement in Arabidopsis mesophyll cells
Autorzy:: Krzeszowiec, W.
Jagiello-Flasinska, D.
Gabrys, H.
Powiązania:: https://bibliotekanauki.pl/articles/79834.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
actin cytoskeleton
chloroplast
angiosperm
Arabidopsis thaliana
mesophyll cell
actin filament
phalloidin
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Identification of new Arabidopsis thaliana pri-miRNAs and mature miRNAs responsive to drought conditions
Autorzy:: Barciszewska-Pacak, M.
Skorupa, K.
Bielewicz, D.
Dolata, J.
Jarmolowski, A.
Szweykowska-Kulinska, Z.
Powiązania:: https://bibliotekanauki.pl/articles/80445.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
microRNA
gene expression
Arabidopsis thaliana
soil moisture
water content
expression level
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Elevated CO2 mitigates the impact of a combination of heat wave and drought in Arabidopsis thaliana
Autorzy:: Zinta, G.
AbdElgawad, H.
Domagalska, M.
Vergauwen, L.
Nijs, I.
Beemster, G.
Asard, H.
Janssens, I.
Powiązania:: https://bibliotekanauki.pl/articles/80475.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
carbon dioxide
heat wave
drought stress
Arabidopsis thaliana
photosynthesis
microarray analysis
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Priming through H2O2-mediated signalling in Arabidopsis thaliana
Autorzy:: Balazadeh, S.
Shahnejat-Bushehri, S.
Muller-Rober, B.
Powiązania:: https://bibliotekanauki.pl/articles/80697.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
molecular mechanism
hydrogen peroxide
stress condition
transcription factor
Arabidopsis thaliana
signalling
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Arabidopsis thaliana MKKK18 is involved in abscisic acid signalling
Autorzy:: Mitula, F.
Tajdel, M.
Sadowski, J.
Ludwikow, A.
Powiązania:: https://bibliotekanauki.pl/articles/81146.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
Arabidopsis thaliana
abscisic acid
MAP kinase inhibitor
signal transduction
gfp gene
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Abscisic acid and blue light signaling pathways in chloroplast movements in Arabidopsis mesophyll
Autorzy:: Eckstein, Aleksandra
Krzeszowiec, Weronika
Banaś, Agnieszka
Janowiak, Franciszek
Gabryś, Halina
Powiązania:: https://bibliotekanauki.pl/articles/1038761.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: abscisic acid
abscisic acid mutants
Arabidopsis thaliana
blue light
chloroplast movement
phototropins
Opis:: Abscisic acid (ABA) and phototropins act antagonistically to control stomatal movements. Here, we investigated the role of ABA in phototropin-directed chloroplast movements in mesophyll cells of Arabidopsis thaliana. We analyzed the expression of phototropins at mRNA and protein level under the influence of ABA. PHOT1 mRNA level was decreased by ABA in the dark while it was insensitive to ABA in light. PHOT2 mRNA level was independent of the hormone treatment. The levels of phototropin proteins were down-regulated by ABA, both in darkness and light. No impact of exogenous ABA on amplitudes and kinetics of chloroplast movements was detected. Chloroplast responses in wild type Arabidopsis and three mutants, abi4, abi2 (abscisic acid insensitive4, 2) and aba1 (abscisic acid1), were measured to account for endogenous ABA signaling. The chloroplast responses were slightly reduced in abi2 and aba1 mutants in strong light. To further investigate the effect, abi2 and aba1 mutants were supplemented with exogenous ABA. In the aba1 mutant, the reaction was rescued but in abi2 it was unaffected. Our results show that ABA is not directly involved in phototropin-controlled chloroplast responses in mature leaves of Arabidopsis. However, the disturbance of ABA biosynthesis and signaling in mutants affects some elements of the chloroplast movement mechanism. In line with its role as a stress hormone, ABA appears to enhance plant sensitivity to light and promote the chloroplast avoidance response.
Źródło:: Acta Biochimica Polonica; 2016, 63, 3; 449-458
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Effect of Medicago sativa Mhb1gene expression on defense response of Arabidopsis thaliana plants
Autorzy:: Maassen, Anna
Hennig, Jacek
Powiązania:: https://bibliotekanauki.pl/articles/1039900.pdf
Data publikacji:: 2011
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: Arabidopsis thaliana
pathogen infection
nitrotyrosine
nitric oxide
peroxidase activity
non-symbiotic hemoglobin
Opis:: Besides the previously described nitric oxide-detoxification activity we identified new features of class-1 non-symbiotic hemoglobin from Medicago sativa (Mhb1). Under in vitro conditions, using peroxidase in-gel activity assay, the Mhb1 protein was shown to possess also peroxidase-like activity. Due to this activity, in the presence of nitrite and hydrogen peroxide, the protein can mediate autonitration and nitration of other proteins at tyrosine residues, as revealed by tandem mass spectrometry and immune assay approaches. Mhb1 through its multifunctional activities can affect different components of signal transduction cascades operating during plant response to infections. This influence is manifested by Mhb1-mediated selective up-regulation of expression of certain pathogen inducible genes in Pseudomonas syringae infected Arabidopsis thaliana plants which overproduce Mhb1, as revealed by reverse transcription-quantitative real-time PCR analysis. Changes in expression level of these genes can influence such processes as synthesis of secondary metabolites, protein degradation and biosynthesis of ethylene. They can also result in alteration of pathogen-induced defense response of Mhb1 transgenic plants.
Źródło:: Acta Biochimica Polonica; 2011, 58, 3; 427-432
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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