نتایج جستجو برای: biolistic
تعداد نتایج: 324 فیلتر نتایج به سال:
Transient expression via particle bombardment is widely used as a means of gene transfer to bacteria, yeast, animals, and plants. In this study we describe the use of the Hepta adaptor for the PDS-1000/He biolistic system for transformation and transient expression of Mlo in single epidermal cells of detached barley leaves. Barley Mlo is known to dampen plant defense and its expression in singl...
Rice stripe virus (RSV) is the type member of the genus Tenuivirus. RSV has four single-stranded RNAs and causes severe disease in rice fields in different parts of China. To date, no reports have described how RSV spreads within host plants or the viral and/or host factor(s) required for tenuivirus movement. We investigated functions of six RSV-encoded proteins using trans-complementation expe...
We have constructed a small and highly efficient binary Ti vector pSiM24 for plant transformation with maximum efficacy. In the pSiM24 vector, the size of the backbone of the early binary vector pKYLXM24 (GenBank Accession No. HM036220; a derivative of pKYLX71) was reduced from 12.8 kb to 7.1 kb. The binary vector pSiM24 is composed of the following genetic elements: left and right T-DNA border...
The transfection of cardiac myocytes is difficult, and so most of the data regarding the regulation of trafficking and targeting of cardiac ion channels have been obtained using heterologous expression systems. Here we apply the fast biolistic transfection procedure to adult cardiomyocytes to show that biolistically introduced exogenous voltage-gated potassium channel, Kv1.5, is functional and,...
Chicken embryos kept in culture medium were bombarded using a high helium gas pressure biolistic device. To optimize the factors that affect transformation efficiency, the lacZ gene under control of the human cytomegalovirus immediate early enhancer/promoter was used as a reporter gene. There was an inverse relationship between survival rate and transformation efficiency. The best conditions ob...
The vast majority of transformation protocols for filamentous fungi are based on permeabilizing cell membranes with polyethylene glycol (PEG) or electroporation. Both methods typically require preparing protoplasts or osmotically sensitive cells prior to transformation (Herzog et al., 1996; Goldman et al., 1990; a detailed review of fungal transformation systems is given by Lemke and Peng, 1995...
The delivery of proteins instead of DNA into plant cells allows for a transient presence of the protein or enzyme that can be useful for biochemical analysis or genome modifications. This may be of particular interest for genome editing, because it can avoid DNA (transgene) integration into the genome and generate precisely modified "nontransgenic" plants. In this work, we explore direct protei...
Here we report preparation and properties of positively charged gold microparticles, and their use for biolistic DNA delivery. Micron-sized gold microparticles were modified by building self-assembling polyethylenimine monolayers on their surfaces, which enabled their electrostatic interaction with negatively charged molecules such as DNA. One milligram of the surface-modified microparticles wa...
By means of a transient transonic helium jet generated by a convergent-divergent conical nozzle, a unique biolistic method of accelerating microparticle formulations of DNA vaccines or drugs to penetrate the outer layer of human skin or mucosal tissue to elicit an physiological response for the treatment of a range of diseases. In this paper, Computational Fluid Dynamics is utilized to predict ...
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