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Wyświetlanie 1-15 z 116
Tytuł:
The reactive nitrogen species affect potato immunity to Phytophthora infestans
Autorzy:
Arasimowicz-Jelonek, M.
Floryszak-Wieczorek, J.
Abramowski, D.
Izbianska, K.
Powiązania:
https://bibliotekanauki.pl/articles/81084.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
reactive nitrogen species
nitric oxide
peroxynitrite
potato
Phytophthora infestans
gene coding
thioredoxin 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:
Effect of temperature on oxidative stress induced by lead in the leaves of Plantago major L.
Autorzy:
Balakhnina, T.I.
Borkowska, A.
Nosalewicz, M.
Nosalewicz, A.
Wlodarczyk, T.M.
Kosobryukhov, A.A.
Fomina, I.R.
Powiązania:
https://bibliotekanauki.pl/articles/24178.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
temperature effect
oxidative stress
lead
heat stress
oxidative destruction
leaf
Plantago major
ascorbate peroxidase
glutathione reductase
Źródło:
International Agrophysics; 2016, 30, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A comparison of the effects of drought on proline accumulation and peroxidases activity in leaves of Festuca rubra L. and Lolium perenne L.
Autorzy:
Bandurska, H
Jozwiak, W.
Powiązania:
https://bibliotekanauki.pl/articles/58679.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
red fescue
grass
drought
proline accumulation
peroxidase
enzyme activity
leaf
Festuca rubra
Lolium perenne
lipid peroxidation
rye-grass
Opis:
The effect of soil drought on leaf water content, proline content, and the activity of guaiacol (GuPX) and ascorbate (APX) peroxidases as well as the level of lipid peroxidation were investigated in leaves of drought resistant red fescue (Festuca rubra) and drought sensitive perennial ryegrass (Lolium perenne). Plants were grown under glasshouse conditions in soil pot culture. 26 day-old grasses were exposed to drought by withholding irrigation for 18 days. Water content in leaves of perennial ryegrass decreased more than in red fescue throughout the experimental period. On the other hand, proline content (PC) was higher in red fescue. The activity of APX and GuPX increased in leaves of red fescue, while it did not change in perennial ryegrass. Our data demonstrate that both red fescue and perennial ryegrass were able to survive applied drought, as shown by a lack of stress-induced lipid peroxidation and hence no evidence of oxidative damage. We speculate, that the observed drought stress tolerance at cellular level was associated with the ability to accumulate proline, and to maintain high activity of APX and GuPX, resulting in protection against oxidative damage and lipid peroxidation. It seems that this mechanism works better in red fescue.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 2; 111-116
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Signalling via reactive oxygen species – why and how?
Autorzy:
Bartosz, G.
Powiązania:
https://bibliotekanauki.pl/articles/79914.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
signalling
reactive oxygen species
intracellular signalling
extracellular signalling
microorganism
animal
plant
hydrogen peroxide
protein tyrosine phosphatase
NADPH oxidase
cell wall
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:
Lichen peroxidases have both pro- and antioxidant roles
Autorzy:
Beckett, R.
Minibayeva, F.
Liers, C.
Powiązania:
https://bibliotekanauki.pl/articles/81039.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
lichen
peroxidase activity
prooxidative property
antioxidative property
hydrogen peroxide
reactive oxygen species
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:
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:
The role of ascorbate during cadmium-induced oxidative stress in Arabidopsis thaliana
Autorzy:
Bielen, A.
Remans, T.
Vangronsveld, J.
Cuypers, A.
Powiązania:
https://bibliotekanauki.pl/articles/79901.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
cadmium
oxidative stress
reactive oxygen species
cellular level
antioxidant defense system
stress condition
ascorbate peroxidase
Arabidopsis thaliana
ascorbate-glutathione cycle
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:
Removal of a textile dye (RBBR) from the water environment by fungi isolated from lignocellulosic composts
Autorzy:
Bohacz, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/204714.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
water environment
textil dye
Trichoderma sp
peroxidase activity
Remazol Brilliant Blue R.
Opis:
A representative group of hydrophilic fungi from the genus Trichoderma isolated from lignocellulose composts with varying degrees of maturity was analyzed for their ability to biodegrade a harmful anthraquinone dye, i.e. Remazol Brilliant Blue R (RBBR). In RBBR-containing post-culture liquids, there were determined the degree of RBBR decolorization, horseradish peroxidase-like, superoxide dismutase-like, and xylanase activities, and the concentrations of low-molecular phenolic compounds. The study results demonstrated that Trichoderma asperellum, T. harzianum, and T. lixii strains isolated from compost containing larger amounts of easily available lignocellulose fractions, i.e. grasses, exhibit higher RBBR decolorization efficiency ranging from 0.3 to 62% than T. citrinoviride strains isolated from compost II, which contained greater quantities of hardly degradable lignocellulose. The decolorization of remazol blue R by the investigated Trichoderma strains intensified significantly with the increase in peroxidase activity and it was correlated with a decline in the content of low-molecular phenolic compounds. The dynamics of changes in the horseradish peroxidase-like, superoxide dismutase, and xylanase activities in the aqueous post-culture liquids of the investigated fungal strains depended largely on the duration of the culture. Given their ability to adapt to water environments, e.g. wastewater, and to decolorize and detoxify the RBBR anthraquinone dye, Trichoderma fungi can be used for bioremediation of such environments.
Źródło:
Archives of Environmental Protection; 2020, 46, 2; 12-20
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Response to chilling in cucumber (Cucumis sativus L.) plants treated with triacontanol and Asahi SL
Reakcja na chłód roślin ogórka traktowanych triakontanolem i Asahi SL
Autorzy:
Borowski, E.
Powiązania:
https://bibliotekanauki.pl/articles/28418.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
plant protection
triacontanol
Asahi SL preparation
plant response
chilling
cucumber plant
Cucumis sativus
plant stress
biostimulator
proline
catalase
peroxidase
photosynthetic pigment
gas exchange
Opis:
In pot experiments on cucumber cv. Śremski F1, the effect of short-term chilling on plants earlier treated with triacontanol (TRIA) and Asahi SL was investigated. These plants were grown in a phytotron at an air temperature of 27/22ºC (day/night), using fluorescent light with far flux density of 220 μmol x m-2 x s-1, with a photoperiod 16/8. At the 4th true leaf stage, the respective experimental series were sprayed with: 1) H2O – control, 2) TRIA 0.01, 3) TRIA 0.1, 4) TRIA 1.0 mg x dm-3, 5) Asahi SL 0.2, 6) Asahi SL 0.3%. After 24 hours one half of the plants from each experimental series was treated for a period of 3 days at a temperature of 12/6ºC, with all the other growth conditions unchanged. The obtained results have shown that short-term chilling stress caused a significant increase in electrolyte leakage, free proline content and in the activity of guaiacol peroxidase in leaves, but a decrease in chlorophyll a+b content, stomatal conductance, transpiration, photosynthesis, leaf area and in the activity of catalase in leaves. The application of TRIA or ASAHI SL on leaves in the pre-stress period reduced the values of the traits which had been increased as a result of chilling and increased those which had reduced. Generally, TRIA was most effective at a concentration of 0.1 mg x dm-3, and Asahi SL at a concentration of 0.3%.
W doświadczeniach wazonowych prowadzonych na ogórku odm. Śremski F1 badano wpływ okresowego chłodu na rośliny wcześniej traktowane triakontanolem (TRIA) i Asahi SL. Rośliny rosły w fitotronie w temp. powietrza 27/22ºC (dzień/noc), korzystając ze światła fluorescencyjnego o gęstości strumienia FAR 220 μmol x m-2 x s-1, przy fotoperiodzie 16/8. W fazie 4-tego liścia właściwego odpowiednie serie doświadczalne opryskano: 1) H2O – kontrola, 2) TRIA 0.01, 3) TRIA 0.1, 4) TRIA 1.0 mg x dm-3, 5) Asahi SL 0.2, 7) Asahi SL 0.3%. Po 24 godzinach połowę roślin z każdej serii doświadczalnej traktowano przez okres 3 dni temp. 12/6ºC przy niezmienionych pozostałych warunkach wzrostu. Uzyskane wyniki wykazały, że okresowy chłód wywołał istotny wzrost stopnia wypływu elektrolitów, zawartości wolnej proliny i aktywności peroksydazy gwajakolowej w liściach, spadek zaś zawartości chlorofilu „a+b”, przewodności szparkowej, transpiracji, fotosyntezy, powierzchni liści i aktywności w nich katalazy. Aplikacja na liście w okresie przedstresowym TRIA lub ASAHI SL obniżyła wartość tych cech, które w wyniku chłodu uległy podwyższeniu, a podwyższyła te które uległy obniżeniu. Na ogół najbardziej skuteczny był TRIA w stężeniu 0.1 mg x dm-3, a Asahi SL w stężeniu 0.3%.
Źródło:
Acta Agrobotanica; 2009, 62, 2
0065-0951
2300-357X
Pojawia się w:
Acta Agrobotanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of the method of application and concentration of Asahi SL on the response of cucumber plants to chilling stress
Wpływ sposobu aplikacji i stężenia Asahi SL na reakcję roślin ogórka na chłód
Autorzy:
Borowski, E.
Powiązania:
https://bibliotekanauki.pl/articles/27885.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
application method
concentration
Asahi SL preparation
plant response
cucumber plant
chilling stress
plant stress
electrolyte
proline
catalase
peroxidase
photosynthetic pigment
gas exchange
Opis:
In pot experiments conducted on cucumber cv. Śremski F1, the effect was studied of short-term chilling stress on plants which had grown from seeds germinating in the solution of Asahi SL or treated with this biostimulator during the early growth period. The plants were grown in a phytotron at an air temperature of 27/22ºC (day/night), using fluorescent light with FAR flux density of 220 μmol x m-2 x s-1 and with a photoperiod of 16/8. The biostimulator was applied using the following methods: a) germination of seeds in 0.01% and 0.05% solution, b) watering of plants twice with 0.01% or 0.05% solution, c) spraying leaves with 0.3% or 0.5% solution. Plants sprayed with distilled water were the control. After 24 hours from foliar or root application of Asahi SL, one half of the plants from each experimental series was treated for a period of 3 days at a temperature of 12/6ºC, with all the other growth conditions unchanged. The obtained results show that short-term chilling stress caused a significant increase in electrolyte leakage, free proline content and in the activity of ascorbate peroxidase in leaves, but a decrease in the content of chlorophyll, its maximum fluorescence (Fm) and quantum yield (Fv/Fm), carotenoid content, stomatal conductance, transpiration, photosynthesis, leaf biomass and in the activity of catalase in leaves. Foliar or root application of Asahi SL in the pre-stress period decreased the values of the traits which increased as a result of chilling or increased those which decreased. Higher concentrations of the biostimulator solutions, applied using this method, were more effective. The application of the biostimulator during seed germination did not result in significant changes in the response of plants to chilling stress.
Źródło:
Acta Agrobotanica; 2010, 63, 2
0065-0951
2300-357X
Pojawia się w:
Acta Agrobotanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Deuterium isotope effects in oxidation of dopamine and norepinephrine catalyzed by horseradish peroxidase
Autorzy:
Byszewska, W.
Pająk, M.
Kańska, M.
Powiązania:
https://bibliotekanauki.pl/articles/146852.pdf
Data publikacji:
2013
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
deuterium
dopamine (DA)
norepinephrine
isotope effects
oxidation
peroxidase
Opis:
Deuterium kinetic isotope effects (KIE’s) in the reaction of oxidation of dopamine (DA) catalyzed by the enzyme horseradish peroxidase (HRP, EC 1.11.1.7) was determined using a non-competitive spectrophotometric method. For kinetic studies, the deuterium ring labelled isotopomer [2’,5’,6’-2H3]-dopamine was synthesized using acid catalyzed isotopic exchange between authentic dopamine and heavy water. Deuterium solvent isotope effects (SIE’s) for dopamine and norepinephrine were determined separately for the enzymatic oxidation carried out in the presence or absence of hydrogen peroxide. Some mechanistic details of enzymatic oxidation of dopamine and norepinephrine to corresponding catecholchromes catalyzed by HRP were discussed.
Źródło:
Nukleonika; 2013, 58, 4; 475-479
0029-5922
1508-5791
Pojawia się w:
Nukleonika
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:
Wpływ kwasu siarkawego na reakcję utleniania kwasu L-askorbinowego przez peroksydazę w obecności nadtlenku wodoru
Vlijanie sernistojj kisloty na reakciju okislenija L-askorbinovojj kisloty dejjspleviem peroksidaza v prisutstvii perekosi vodorosta
Influence of sulfurous acid on oxidation of L-ascorbic acid by peroxidase in the presence of hydrogen peroxide
Autorzy:
Chmielnicka, J.
Powiązania:
https://bibliotekanauki.pl/articles/876744.pdf
Data publikacji:
1963
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
kwas L-askorbinowy
utlenianie
peroksydaza
nadtlenek wodoru
kwas siarkowy
L-ascorbic acid
oxidation
peroxidase
hydrogen peroxide
sulphuric acid
Źródło:
Roczniki Państwowego Zakładu Higieny; 1963, 14, 5
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of phenolics from woody plants on activity of grain aphid oxidases
Autorzy:
Chrzanowski, G.
Leszczynski, B.
Sempruch, C.
Sytykiewicz, H.
Sprawka, I.
Powiązania:
https://bibliotekanauki.pl/articles/54949.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
sour cherry
walnut
peroxidase
leaf
woody plant
biopesticide
phenolics
plant pest
polyphenol oxidase
grain aphid
black currant
aphid
Opis:
Changes in activity of the grain aphid peroxidase (Px) and polyphenol oxidase (PPO) towards phenolics isolated from leaves of black currant, sour cherry and walnut were examined. Slight increase in activity of peroxidase was found within insect tissues after 24 h of walnut extract treatment, whereas black currant and sour cherry strongly inhibited activity of this enzyme. Later on, the walnut extract reduced activity of the enzyme, finally about 30%. The other extracts showed slight changes in Px activity. The grain aphid’s polyphenol oxidase was stimulated during the first 24 h of the experiment. Further treatment with the phenolics extracts reduced activity of the grain aphid polyphenol oxidase. Generally, phenolics isolated from the black currant and sour cherry were more effective in reducing activity of the aphid peroxidase, whereas phenolics from walnut reduced the polyphenol oxidase activity. Possible application of the phenolics isolated from the woody plants as modern biopesticides towards the grain aphid is discussed.
Źródło:
Pestycydy; 2009, 1-4; 63-70
0208-8703
Pojawia się w:
Pestycydy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Grain discoloration in different genotypes of durum wheat (Triticum durum L.) in Argentina: associated mycobiota and peroxidase activity
Autorzy:
Cipollone, M.J.
Moya, P.
Martinez, I.
Saparrat, M.
Sisterna, M.
Powiązania:
https://bibliotekanauki.pl/articles/2084746.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
durum wheat
grain discoloration
mycobiota
peroxidase activity
Opis:
Wheat grain discoloration, a worldwide disease that lowers grain quality and decreases grain yield, does not have a single etiology. It has been proposed that it is a consequence of an abiotic mechanism, a response to environmental conditions or enzymatic activity. It has also been suggest that it is a biotic mechanism, a fungal infection principally by Alternaria spp. and Bipolaris sorokiniana. The present work was carried out to analyze the possible etiology of this disease in nine durum wheat genotypes from two localities of southern Buenos Aires province (Argentina) on two sowing dates. Incidence (percentage of grain discoloration) was recorded and mycobiota associated with this pathology was registered following ISTA rules. Peroxidase activity in an extract obtained from grains belonging to genotypes of the locality that showed the highest incidence was measured. The incidence among genotypes, localities and sowing dates varied, although the genotypes with the higher and lower values of incidence were the same for all the variables tested. The fungus Alternaria spp. was isolated the most frequently followed by Fusarium spp., while Bipolaris sorokiniana was found the least frequently. Peroxidase activity showed that all the treatments had similar levels of enzymatic activity, but there was no clear differentiation between controls either between genotypes with the lowest or the highest incidence values. This suggests that peroxidase activity did not have a clear relationship with grain discoloration. In this research, it is presumed that fungal infection is the main cause of this disease.
Źródło:
Journal of Plant Protection Research; 2020, 60, 1; 14-20
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 116

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