نتایج جستجو برای: protoplast cell
تعداد نتایج: 1684812 فیلتر نتایج به سال:
Leaves and storage roots of sweet potato plants (Ipomea batatas) showed the same qualitative isoperoxidase patterns and a similar distribution of distinctive isoperoxidases between the cell protoplast and cell wall free, ionically bound, and covalently bound fractions. No changes in the qualitative isoenzyme spectrum were found in relation to age, mechanical injury, or ethylene action. Thus, as...
saffron (crocus sativus l.) protoplasts were isolated from the cells of a suspension culture or calli with a solution of cellulase, pectinase and hemicellulase and embedded in ca-alginate beads. they were cultured with or without nurse cells in ms medium supplemented with 2,4-d and 6-benzylaminopurine at 25°c. after several changes of medium, cell-clusters appeared on the surface of the ca-algi...
Novozym 234 (Novo lndustri A/S, Bagsraerd, Denmark) is a comparatively cheap and highly effective commercial preparation, derived from the fungus 7richoderma harziunum, which is used for the enzymic degradation of the cell wall in many yeasts and filamentous fungi in order to release protoplasts [ 1 , 21. The factors involved in protoplast isolation using this system have been investigated by C...
Plant protoplasts are significant for plant cell culture, somatic fusion, genetics, and breeding studies. In addition, in vitro regeneration has great importance developmental biology, manifesting potential applications agriculture biotechnology. this regard, we present a well-established protocol regarding protoplast isolation, culture fusion of Jasminum spp. particular, different tissues sama...
BACKGROUND Differentiated plant cells can retain the capacity to be reprogrammed into pluripotent stem cells during regeneration. This capacity is associated with both cell cycle reactivation and acquisition of specific cellular characters. However, the molecular mechanisms underlying the reprogramming of protoplasts into stem cells remain largely unknown. Protoplasts of the moss Physcomitrella...
Method for production and regeneration of Acetobacter pasterianus protoplasts is described. The protoplasts were obtained by treatment of cells with lysozyme in protoplast buffer at pH 8.0 with different osmotic stabilizers. The protoplasts were regenerated on Acetobacter medium with various osmotic stabilizers. Maximum protoplast formation was obtained in protoplast buffer with NaCl (0.5M) as ...
The inhibitory allelopathic activity of Pueraria montana (Kudzu), and activities two putative allelochemical isoflavones, puerarin daidzein, were evaluated using the protoplast co-culture method with digital image analysis lettuce as a recipient (DIA-PP method). Cotyledon protoplasts Kudzu isolated Cellulase R10 Driselase 20 in 0.6 M mannitol solution. Optimal hormonal condition density for gro...
Factors Influencing Protoplast Viability of Suspension-Cultured Rice Cells during Isolation Process.
Callus cells of rice (Oryza sativa L.) that were actively dividing in suspension culture had lost the ability to divide during the isolation process of protoplasts. Factors influencing the protoplast viability were examined using highly purified preparations of cellulase C(1), xylanase, and pectin lyase, which were essential enzymes for the isolation of protoplasts from the rice cells. The trea...
In recent years, dielectrophoresis based microfluidics systems have been used to manipulate colloids, inert particles, and biological microparticles, such as red blood cells, white blood cells, platelets, cancer cells, bacteria, yeast, microorganisms, proteins, DNA, etc. In the current study the governing electric potential equations have been solved in the presence of cell for the purpose of ...
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