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Wyświetlanie 1-2 z 2
Tytuł:
Isolation and molecular identifcation of laccase-producing saprophytic/ phytopathogenic mushroom-forming fungi from various ecosystems in Michoacan State, Mexico
Autorzy:
Mukhtar, I.
Arredondo-Santoyo, M.
Vazquez-Garciduenas, S.
Vazquez-Marrufo, G.
Powiązania:
https://bibliotekanauki.pl/articles/2196365.pdf
Data publikacji:
2019-06-06
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
molecular identification
isolation
laccase production
saprophyte
phytopathogen
Basidiomycetes
guaiacol
geographic region
Mexico
Opis:
The aim of this study was isolation and molecular identification of laccase-producing saprophytic/phytopathogen Basidiomycetes species from different geographic regions with dominant vegetation of Pinus, Abies, and Quercus spp. in the state of Michoacán, Mexico. Soil samples and visible mycelial aggregates were collected for fungal isolations. Soil samples were processed using a soil particle washing technique, where a selective Ascomycetes inhibitor and guaiacol, as an indicator of saprophytic Basidiomycetes growth, were used. Most of the isolates were obtained from samples collected in Parque Nacional, José Ma. Morelos (Km 23), Charo, Michoacán, Mexico. Based on sequence comparisons and phylogenetic analysis of internal transcribed spacer regions (ITS1-5.8S-ITS4) with respect to reference taxa, identification of saprophytic/phytopathogen Basidiomycetes species was carried out. In total, 15 isolates from 12 genera (i.e., Bjerkandera, Coriolopsis, Ganoderma, Hexagonia, Irpex, Limonomyces, Psathyrella, Peniophora, Phlebia, Phlebiopsis, Trametes, and Trichaptum) and one species from family Corticiaceae were identified. This study will be useful for further investigations on biodiversity of soil Basidiomycetes in different ecosystems. At present, these isolates are being used in our various lab experiments and can be useful in different industrial and bioremediation applications.
Źródło:
Acta Mycologica; 2019, 54, 1; 1119
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Betacyanin accumulation and guaiacol peroxidase activity in Beta vulgaris L. leaves following copper stress
Autorzy:
Morales, J.M.L.
Rodriguez-Monroy, M.
Sepulveda-Jimenez, G.
Powiązania:
https://bibliotekanauki.pl/articles/57381.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
betacyanin accumulation
guaiacol peroxidase activity
Beta vulgaris
red beet
leaf
copper stress
oxidative stress
betacyanin
abiotic stress
antioxidant compound
lipid peroxidation
copper
Opis:
The effect of copper stress on betacyanin accumulation and guaiacol peroxidase (GPOD) activity in leaves of different age was evaluated in red beet (Beta vulgaris L. var. Crosby Egyptian) plants. In hydroponic culture, plants were treated with 0.3 μM (control), 50 μM, 100 μM, and 250 μM of CuSO4 for 6 days. Copper was taken up and accumulated in old roots but was not translocated to leaves. However in young leaves, the increase of lipid peroxidation and reduction of growth were evident from day 3 of copper exposure; whereas in old leaves, the lipid peroxidation and growth were the same from either copper-treated or control plants. In response to copper exposure, the betacyanin accumulation was evident in young leaves by day 3, and continued to increase until day 6. Betacyanin only were accumulated in old leaves until day 6, but the contents were from 4 to 5 times lower than those observed in young leaves at the same copper concentrations. GPOD activity increased 3.3- and 1.4-fold in young and old leaves from day 3 of copper treatment respectively, but only in the young leaves was sustained at the same level until day 6. Old roots shown betacyanin in the control plants, but the betacyanin level and growth were reduced with the copper exposure. In contrast, young roots emerged by copper effect also accumulated copper and showed the highest betacyanin content of all plant parts assayed. These results indicate that betacyanin accumulation and GPOD activity are defense responses to copper stress in actively growing organs.
Źródło:
Acta Societatis Botanicorum Poloniae; 2012, 81, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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