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Wyświetlanie 1-15 z 35
Tytuł:
Comparison of plant regeneration of Miscanthus sinensis, M. sacchariflorus and M. × giganteus in in vitro culture
Autorzy:
Kopec, P.
Plazek, A.
Dubert, F.
Powiązania:
https://bibliotekanauki.pl/articles/951222.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
plant regeneration
Miscanthus sinensis
Miscanthus sacchariflorus
Miscanthus x giganteus
in vitro culture
chemical composition
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
Artykuł
Tytuł:
Biosynthesis of zinc oxide nanoparticles using Fumaria parviflora extract and evaluation of their antibacterial and antioxidant activities
Autorzy:
Dousti, B.
Habibi, A.
Nabipor, F.
Powiązania:
https://bibliotekanauki.pl/articles/2096350.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ZnONPs
Fumaria parviflora
antibacterial
antioxidant
green method
Opis:
Green synthesis is a biocompatible and stable method of producing zinc oxide nanoparticles (ZnONPs).In the present study, ZnONPs were biosynthesized using Fumaria parviflora extract by the green method, and the antibacterial and antioxidant properties of these NPs were evaluated. The characteristics of the synthesized ZnONPs were determined by ultraviolet-visible spectrophotometry (UV-VIS), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The antioxidant activity of the NPs was tested by the α-diphenyl-β-picrylhydrazyl (DPPH) method. Antibacterial properties of the synthesized ZnONPs were evaluated against Staphylococcus aureus and Escherichia coli by disc diffusion and microdilution methods. The results of UV-VIS spectroscopy revealed an absorption peak at 370 nm. XRD results showed the formation of a hexagonal wurtzite structure, and SEM analyses demonstrated that ZnONPs had a spherical shape with an average size 42 to 60 nm. Free radical scavenging capacity of ZnONPs was assessed using the DPPH assay with varying concentrations of ZnONPs, and scavenging activity was observed with IC50 of 30.86 μg/ml. In the antibacterial assay, the inhibition zone of the synthesized NPs at 100 μg/ml concentration for S. aureus (24.6 ± 0.72) was greater than that of the antibiotics vancomycin (23 ± 0.51) and a mikacin (13 ± 0.40) and was greater for E. coli (13.2 ± 0.81)than that of vancomycin (12 ± 0.41) (P # 0.05). The minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) values of ZnONPs for S. aureus and E. coli were 1.56 and 3.125 μg/ml, and 6.25 and 12.5 μg/ml, respectively. The biosynthesized ZnONPs showed strong antibacterial and antioxidant activities.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2021, 102, 1; 65-73
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gene-to-metabolite network for coumarins biosynthesis in natural accessions of Arabidopsis thaliana
Autorzy:
Siwinska, J.
Olry, A.
Hehn, A.
Bourgaud, F.
Lojkowska, E.
Ihnatowicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/80417.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
coumarin
secondary metabolite
biosynthesis
antimicrobial activity
antioxidative activity
biotic stress
abiotic stress
Arabidopsis thaliana
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:
Oxidative stress induced autophagic cell death in plants
Autorzy:
Minibayeva, F.
Ryabovol, V.
Ponomareva, A.
Dmitrieva, S.
Sulkarnayeva, A.
Powiązania:
https://bibliotekanauki.pl/articles/79946.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
oxidative stress
cell death
autophagy
transmission electron microscopy
plant cell
disruption
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:
Powdery mildew resistance graft-transmitted from cherry pepper to sweet pepper correlates with superoxide accumulation
Autorzy:
Kunstler, A.
Lantos, F.
Kiraly, Z.
Kiraly, L.
Powiązania:
https://bibliotekanauki.pl/articles/81139.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
powdery mildew
Leveillula taurica
graft transmission
sweet pepper
cherry pepper
Capsicum annuum
reactive oxygen species
nitroblue tetrazolium
NADPH 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:
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
Artykuł
Tytuł:
Effect of biotic elicitors on polyphenol production in Cayratia trifolia cell suspension cultures analyzed by HPLC
Autorzy:
Arora, J.
Joshi, A.
Kanthaliya, B.
Khan, F.
Powiązania:
https://bibliotekanauki.pl/articles/2096955.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Cayratia trifolia
fungal elicitors
gum
suspension culture
Opis:
Cayratia trifolia Linn. Domin Syn. Vitis trifolia (family: Vitaceae ) contains polyphenols as major bioactive compounds. Plant polyphenolics, such as stilbenes, possess a broad spectrum of pharmacological and therapeutic effects, including antioxidative, anticancerous, antiatherosclerotic, cardioprotective, hepatoprotective, and neuroprotective effects. Elicitation is one of the important strategies to enhance secondary metabolite production in cell suspension cultures. In the present study, the effect of two biotic elicitors, namely one fungal (Fusarium sp., and Helminthosporium sp.) extract and another higher plant-originated gum (Anogeissus latifolia ), was evaluated for enhanced production of stilbenes in cell suspension culture of C. trifolia. For the fungal elicitor, the cell suspension cultures of C. trifolia were treated with varying concentrations of Fusarium extract (FE) and Helminthosporium extract (HE) on the 7th day of culture. Increasing concentration of FE in the medium resulted in slightly decreased cell growth but increased the production of stilbenes, with the optimal concentration at 1000 mg/l. This increase in the yield of stilbenes was -5 times (9.30 mg/l) higher than the control value. HE was less effective than FE in increasing stilbene production at optimal concentrations. The addition of 50 mg/l A. latifolia plant gum sieved through a 150 mesh (0.1 mm) to C. trifolia cell culture enhanced stilbene accumulation and yield by 8- to 9-fold over the control value.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 1; 35-43
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring photosynthetic electron transport during stress responses in Arabidopsis
Autorzy:
Shapiguzov, A.
Cui, F.
Overmyer, K.
Kangasjarvi, J.
Powiązania:
https://bibliotekanauki.pl/articles/80094.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
monitoring
plant cell
chloroplast
reactive oxygen species
signal receptor
immune response
electron transfer chain
plant stress
Arabidopsis
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:
Dynamics of phenolic compounds in leaves of Fragaria ananassa Duch. after treatment with different forms of chitosan
Autorzy:
Subin, O.V.
Likhanov, A.F.
Sereda, O.V.
Klyuvadenko, A.A.
Melnychuk, M.D.
Powiązania:
https://bibliotekanauki.pl/articles/2097098.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chitosan
HPLC
Fragaria ananassa
tannins
response reactions
Opis:
The article considers the effect of chitosans of different origin, molecular weight, and degree of deacetylation on the dynamics of phenolic substances in the leaves of Fragaria ananassa Duch. These substances potentially act as agents in plant responses to biotic stresses. We showed that the daily variations in individual phenolic compounds are most pronounced in the group of ellagitannins and kaempferol-3-b-D-[6-O-(E)-coumaroyl]-glucopyranoside. The most stable indicators were concentrations of kaempferol glycoside and ellagic acid pentoside. The strongest plant response to leaf treatment with low- and high-molecular-weight chitosans was a significant increase in the concentration of hexahydroxydiphenyl (HHDP)-glucose in leaves, peaking at 12 h after treatment. Treatment of F. ananassa with various forms of chitosans resulted in different concentrations of the basic phenolic substances. In particular, the plant response to a single treatment with 0.4% low-molecular-weight chitosan (LMC) was accompanied by a significant decrease in the ellagic acid concentration, after a slight increase in the first hour after treatment. The opposite effect was observed in plants after treatment with high-molecular-weight chitosan (HMC). We also determined the daily dynamics for the quantitative and qualitative composition of phenolic compounds in the control group of plants. By using the Biplot analysis, we showed a clear difference between phenol concentrations in the evening (0, 24, and 48 h) and in the morning (12 h). The strongest difference was an increase in the concentration of HHDP-glucose, galloylquinic acid, ellagic acid pentoside, kaempferol glycoside, and ellagic acid in leaves in the morning, followed by a decrease in the evening and nighttime, due to the physiological reactions of plants to external abiotic and biotic factors.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 3; 227-237
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bioconversion of novel and renewable agro-industry by-products into a biodegradable poly(3-hydroxybutyrate) by marine Bacillus megaterium UMTKB-1 strain
Autorzy:
Yatim, A.F.M.
Syafiq, I.M.
Huong, K.H.
Amirul, A.-A.A.
Effendy, A.W.M.
Bhubalan, K.
Powiązania:
https://bibliotekanauki.pl/articles/81142.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Bacillus megaterium
polyhydroxyalkanoate
poly[3]hydroxybutyrate
biodegradability
agro-food industry
biosynthesis
bioconversion
gas chromatography
marine sponge
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ephedrine production from suspension cultures of Ephedra alata L. callus
Autorzy:
Hegazi, G.A.
Ghareb, H.E.
Gabr, M.F.
Powiązania:
https://bibliotekanauki.pl/articles/2096962.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
shake-flask culture
in vitro
alkaloid
biotic elicitor
Aspergillus niger
yeast extract
Opis:
Ephedra alata is an important Egyptian medicinal plant with enormous applications in pharmaceutical industry. Shake-flask suspension cultures of E. alata were established from internodal segment-derived callus. The suspension cultures were treated with two biotic elicitors, namely Aspergillus niger and yeast extract, to enhance the synthesis of ephedrine – the bioactive constituent of E. alata. Ephedrine was quantified using the high performance liquid chromatography technique. Ephedrine concentration was not directly related to biomass production. Aspergillus niger and yeast extract enhanced the production of ephedrine by 2.5- to 7-fold after different durations of incubation as compared to ephedrine content in the mother plant. Treatment with the fungal elicitor A. niger extract induced the maximum accumulation of ephedrine at the concentration of 1.67%; it also increased ephedrine biosynthesis by 7-fold in 24-day-old culture as compared to the ephedrine content in the mother plant and caused higher ephedrine biosynthesis than that in the control treatment without elicitors. The present protocol could be applicable for the large-scale production of ephedrine from E. alata.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 1; 25-33
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preparation, characterization and optimization of cross-linked fructosyltransferase aggregates for the production of prebiotic fructooligosaccharides
Autorzy:
Ademakinwa, A.N.
Ayinla, Z.A.
Omitogun, O.G.
Agboola, F.K.
Powiązania:
https://bibliotekanauki.pl/articles/81247.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
fructosyltransferase
Aureobasidium pullulans
fructooligosaccharide
prebiotic
statistical optimization
scanning electron microscopy
X-ray spectroscopy
Fourier transform infrared spectroscopy
biotransformation
chemometric analysis
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2018, 99, 4
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards the production of microalgae biofuels: the effect of the culture medium on lipid deposition
Autorzy:
Cuellar Garcia, D.J.
Rangel-Basto, Y.A.
Barajas-Solano, A.F.
Munoz-Penalosa, Y.A.
Urbina-Suarez, N.A.
Powiązania:
https://bibliotekanauki.pl/articles/80961.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biomass production
biofuel
microalga
alga
Chlorella vulgaris
Scenedesmus obliquus
renewable source
culture medium
lipid accumulation
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2019, 100, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
S-nitrosylation promotes functional and structural changes in the mitochondrial psPrxII F protein
Autorzy:
Camejo, D.
Lazaro, J.
Romero-Puertas, M.
Lazaro-Payo, A.
Sevilla, F.
Jimenez, A.
Powiązania:
https://bibliotekanauki.pl/articles/80481.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
peroxiredoxin
reactive oxygen species
nitric oxide
signal transduction
post-translational modification
salt stress
functional change
structural change
S-nitrosylation
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:
Genetic characterization and analysis of the population of selected Sarawak rice cultivars using simple sequence repeat markers
Autorzy:
Razak, S.A.
Saidon, S.A.
Yusof, M.F.M.
Ismail, S.N.
Powiązania:
https://bibliotekanauki.pl/articles/79865.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
genetic characteristics
population analysis
genetic marker
SSR marker
rice cultivar
Sarawak cultivar
genetic similarity
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2018, 99, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 35

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