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Wyszukujesz frazę "Peroxidase" wg kryterium: Temat


Tytuł:
Cadmium-induced changes in antioxidant enzymes in suspension culture of soybean cells.
Autorzy:
Sobkowiak, Robert
Rymer, Katarzyna
Rucińska, Renata
Deckert, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1043349.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
ascorbate peroxidase
superoxide dismutase
peroxidase
soybean cell suspension culture
catalase
cadmium
Opis:
Cadmium (Cd), similarly to other heavy metals, inhibits plant growth. We have recently showed that Cd2+ either stimulates (1-4 μM) or inhibits (ł 6 μM) growth of soybean (Glycine max L.) cells in suspension culture (Sobkowiak & Deckert, 2003, Plant Physiol Biochem. 41: 767-72). Here, soybean cell suspension cultures were treated with various concentrations of Cd2+ (1-10 μM) and the following enzymes were analyzed by native electrophoresis: superoxide dismutase (SOD), catalase (CAT), peroxidase (POX) and ascorbate peroxidase (APOX). We found a significant correlation between the cadmium-induced changes of soybean cell culture growth and the isoenzyme pattern of the antioxidant enzymes. The results suggest that inhibition of growth and modification of antioxidant defense reactions appear in soybean cells when Cd2+ concentration in culture medium increases only slightly, from 4 to 6 μM.
Źródło:
Acta Biochimica Polonica; 2004, 51, 1; 219-222
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Differential response of antioxidant enzymes to cadmium stress in tolerant and sensitive cell line of cucumber (Cucumis sativus L.)
Autorzy:
Gzyl, Jarosław
Rymer, Katarzyna
Gwóźdź, Edward
Powiązania:
https://bibliotekanauki.pl/articles/1040497.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
cell suspension
cadmium
tolerance
superoxide dismutase
catalase
ascorbate peroxidase
guaiacol peroxidase
Opis:
Previously, a stable cell suspension of cucumber tolerant to 100 µM CdCl2 was obtained (Gzyl & Gwóźdź, 2005, Plant Cell Tissue Organ Cult 80: 59-67). In this study, the relationship between the activity of antioxidant enzymes and cadmium tolerance of cucumber cells was analyzed. A cadmium-sensitive and the cadmium-tolerant cell lines were exposed to 100 µM and 200 µM CdCl2 and the activities of superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APOX) and guaiacol peroxidase (POX) were determined. In the sensitive cell line, a decrease of total activity of SOD and POX was observed, whereas the activity of CAT and APOX significantly increased in metal-supplemented medium. By contrast, in the tolerant cells, the total activity of antioxidant enzymes decreased (SOD, CAT) or was maintained at approximately the same level (APOX, POX). Moreover, a different pattern of isoenzyme activity was observed in the tolerant and sensitive cells. These results suggest that an enhanced activity of antioxidant enzymes is not directly involved in the increased tolerance to cadmium of the selected cucumber cell line.
Źródło:
Acta Biochimica Polonica; 2009, 56, 4; 723-727
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of nanosilver on physiological performance of pelargonium plants exposed to dark storage
Autorzy:
Hatami, M.
Ghorbanpour, M.
Powiązania:
https://bibliotekanauki.pl/articles/1826.pdf
Data publikacji:
2013
Wydawca:
Instytut Ogrodnictwa
Tematy:
Pelargonium
Pelargonium x hortorum
nanosilver
leaf senescence
storage
antioxidative enzyme
lipid peroxidation
ascorbate peroxidase
guaiacol peroxidase
Źródło:
Journal of Horticultural Research; 2013, 21, 1
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The properties of peroxisomal ascorbate peroxidase from sugar beet (Beta vulgaris ) and expressed in E. coli
Autorzy:
Kurnik, K.
Skorupa-Klaput, M.
Tyburski, J.
Powiązania:
https://bibliotekanauki.pl/articles/80526.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
ascorbate peroxidase
sugar-beet
Beta vulgaris
Escherichia coli
expression
peroxidase activity
protein extract
BL21 cell
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
Artykuł
Tytuł:
Bundle sheath-specific expression of the ascorbate peroxidase 2 affects photosynthesis in whole plant
Autorzy:
Gorecka, M.
Alvarez Fernandez, R.
Bialasek, M.
Mulleineaux, P.
Karpinski, S.
Powiązania:
https://bibliotekanauki.pl/articles/951327.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
sheath-specific expression
ascorbate peroxidase
hydrogen peroxide
photosynthesis
cytosolic peroxidase
fluorescence
electron transport chain
gene encoding
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
Artykuł
Tytuł:
Effect of priming of seeds of Medicago sativa "Bami" with gibberellic acid on germination, seedlings growth and antioxidant enzymes activity under salinity stress
Autorzy:
Younesi, O.
Moradi, A.
Powiązania:
https://bibliotekanauki.pl/articles/1828.pdf
Data publikacji:
2014
Wydawca:
Instytut Ogrodnictwa
Tematy:
salinity
seed priming
Medicago sativa
gibberellic acid
germination
seedling growth
growth
antioxidative enzyme
alfalfa
guaiacol peroxidase
catalase
ascorbate peroxidase
glutathione reductase
Źródło:
Journal of Horticultural Research; 2014, 22, 2
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes of antioxidant enzymes of mung bean [Vigna radiata (L.) R. Wilczek] in response to host and non-host bacterial pathogens
Autorzy:
Farahani, A.S.
Taghavi, M.
Powiązania:
https://bibliotekanauki.pl/articles/65764.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
antioxidative enzyme
enzyme
mung bean
Vigna radiata
plant response
host pathogen
non-host pathogen
resistance
bacterial pathogen
ascorbate peroxidase
catalase
peroxidase
superoxide dismutase
Opis:
The natural resistance against the majority of potential pathogens that exist in most plant species is known as non-host resistance. Several reports suggest the role of antioxidant enzymes in non-host resistance. We assayed the expression or activity of four scavenging enzymes during non-host pathogen-plant interaction (Xanthomonas hortorum pv. pelargonii/mung bean) and host pathogen-plant interaction (Xanthomonas axonopodis pv. phaseoli/mung bean). The expression of superoxide dismutase (SOD) and ascorbate peroxidase (APX) and the enzyme activity of catalase (CAT) and peroxidase (POX) were investigated. The activities of CAT and POX were higher during non-host pathogen invasion vs. host pathogen attack. The expression of SOD and APX were also different between compatible and incompatible interactions. The expression of SOD and APX were higher in the incompatible compared to the compatible interaction. Additionally, induction of the antioxidant enzymes in response to non-host pathogen was earlier than induction in response to host pathogen. Such information is important for plant breeders, and useful when looking for alternative control strategies as well.
Źródło:
Journal of Plant Protection Research; 2016, 56, 1
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antioxidant defence in maize cultivars triggered by the two-spotted spider mite attack and soil drought – a comparative study
Autorzy:
Czapla, A.
Grudkowska, M.
Miazek, A.
Zagdanska, B.
Kielkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/80869.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
antioxidant defense
maize cultivar
two-spotted spider mite
Tetranychus urticae
soil drought
oxidative stress
ascorbate peroxidase
catalase
glutathione reductase
peroxidase
polyphenol oxidase
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
Artykuł
Tytuł:
Redox state modulation in rice and its implications for plant development and stress responses
Autorzy:
Caverzan, A.
Ribeiro, C.
Lazzarotto, F.
Passaia, G.
Rosa, S.
Garighan, J.
Piovesana, M.
Carvalho, F.
Albenisio, J.
Margis, R.
Margis-Pinheiro, M.
Powiązania:
https://bibliotekanauki.pl/articles/79908.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
reactive oxygen species
scavenging enzyme
detoxification
redox state
rice
plant development
stress response
plant cell
biochemical property
antioxidative enzyme
ascorbate peroxidase
glutathione peroxidase
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
Artykuł
Tytuł:
Changes in the ascorbate-glutathione system during storage of recalcitrant seeds of Acer saccharinum L.
Autorzy:
Ratajczak, E
Pukacka, S.
Powiązania:
https://bibliotekanauki.pl/articles/57429.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
ascorbate-glutathione system
ascorbate peroxidase
storage
seed
Acer saccharinum
monodehydroascorbate reductase
Opis:
Two seed lots of Acer saccharinum (recalcitrant), with an initial moisture content of 50% and 55%, were stored at +3oC for 6 months. After this time, their viability (measured as germinability) reached 100% and 30%, respectively. In embryo axes and cotyledons extracted from seeds, two major low molecular antioxidants were assayed: ascorbate (ASA and DHA) and glutathione (GSH and GSSG); and activities of enzymes of the ascorbate-glutathione cycle were measured: ascorbate peroxidase (APO) (E.C. 1.11.1.11), monodehydroascorbate reductase (MR) (E.C. 1.6.5.4), dehydroascorbate reductase (DHAR) (E.C. 1.8.5.1), and glutathione reductase (GR) (E.C. 1.6.4.2.). GSH and GSSG contents of embryo axes of stored seeds decreased, as compared to the control (fresh, non-stored seeds), but a larger decrease was observed in seeds with 30% viability. In cotyledons, a particularly high increase in the GSH content in relation to the control was observed in seeds with 100% viability, while the GSSG content was significantly lower in both stored seed lots than in the control. The ASA level was twice as high in seeds with 30% viability as in the control, both in embryo axes and in cotyledons. The activity of enzymes of the ascorbate-glutathione cycle was higher in embryo axes than in cotyledons. In embryo axes of seeds with 100% viability, enzyme activities were slightly lower than in the control, while in those of seeds with 30% viability, their activities were higher than in the control. The observed changes in activities of enzymes of the ascorbate-glutathione cycle and in ascorbate and glutathione levels suggest that the stored seeds of A. saccharinum have an active antioxidant system, which plays an important role in maintaining their viability during storage.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 1; 23-27
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Functional analysis of peroxiredoxin isoforms in Euglena gracilis
Autorzy:
Tamaki, S.
Maruta, T.
Sawa, Y.
Shigeoka, S.
Ishikawa, T.
Powiązania:
https://bibliotekanauki.pl/articles/81160.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
Euglena gracilis
catalase
ascorbate peroxidase
cytosol
gene expression
peroxiredoxin
reactive oxygen species
functional 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
Artykuł
Tytuł:
Antioxidant defence system in the leaves and roots of A. thaliana under long-term S deficiency
Autorzy:
Ostaszewska, M.
Juszczuk, I.M.
Powiązania:
https://bibliotekanauki.pl/articles/79954.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
antioxidant defense system
Arabidopsis thaliana
leaf
root
photosynthetic pigment
carotenoid
superoxide dismutase
ascorbate peroxidase
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
Artykuł
Tytuł:
Dual regulation of cytosolic ascorbate peroxide (APX) by tyrosine nitration and S-nitrosylation
Autorzy:
Begara-Morales, J.
Sanchez-Calvo, B.
Chaki, M.
Valderrama, R.
Mata-Perez, C.
Lopez-Jaramillo, J.
Carreras, A.
Padilla, M.
Corpas, F.
Barroso, J.
Powiązania:
https://bibliotekanauki.pl/articles/80378.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
post-translational modification
nitric oxide
target protein
ascorbate peroxidase
tyrosine nitration
S-nitrosylation
salinity stress
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
Artykuł
Tytuł:
Examining organic acid root exudate content and function for leafy vegetables under water-stressed conditions
Autorzy:
Kasukawa, N.
Miyazawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/1077275.pdf
Data publikacji:
2020
Wydawca:
Instytut Ogrodnictwa
Tematy:
leaf vegetable
cabbage
abiotic stress
drought stress
organic acid
root exudate
antioxidant enzyme
catalase
ascorbate peroxidase
Opis:
At the plants’ exposal to abiotic stress, organic acids, including citric acid, are exuded through their roots. Previous studies have suggested that the exogenous application of citric acid increases antioxidant activity within the plant. Thus, we postulated that organic acids released into the surroundings during times of environmental stress may function as signaling molecules to increase antioxidant enzyme activity. To gain further insight into this phenomenon, we identified individual organic acids exuded from the roots of leafy vegetables under drought stress. We then analyzed enzyme activity and the root/shoot lengths of seedlings after treatment with the types of organic acids found to be exuded from the studied leafy vegetables, including acetic, citric, lactic, and tartaric acids. There was a significant increase in catalase and ascorbate peroxidase enzyme activity in Napa cabbage (Brassica rapa var. pekinensis) after exogenous citric acid application. Root lengths of cabbage (Brassica oleracea var. capitata) and Napa cabbage seedlings were significantly longer in citric and lactic acids pretreated seedlings compared to those of the control. The above results support the conclusion that exogenous application of citric acid alleviates drought stress. However, there is insufficient evidence to prove that organic acids act as signaling molecules to prime neighboring plants for upcoming stress.
Źródło:
Journal of Horticultural Research; 2020, 28, 2; 83-90
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of ethylene antagonist silver thiosulphate on the flower longevity of Clarkia pulchella Pursh.
Autorzy:
Dar, R.A.
Tahir, I.
Powiązania:
https://bibliotekanauki.pl/articles/1920.pdf
Data publikacji:
2018
Wydawca:
Instytut Ogrodnictwa
Tematy:
silver thiosulphate
flower longevity
Clarkia pulchella
bud
antioxidant
catalase
lipoxygenase
superoxide dismutase
lipid peroxidation
ascorbate peroxidase
Źródło:
Journal of Horticultural Research; 2018, 26, 1
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł

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