نتایج جستجو برای: transient gus expression
تعداد نتایج: 982779 فیلتر نتایج به سال:
Seasonal changes in the transient expression of Beta-glucuronidase gene (GUS) driven by a constitutive 35S CaMV-promoter in Scots pine (Pinus sylvestris L.) buds were studied by the microprojectile DNA-delivery method. Buds were collected from 5-, 15- and 50-year-old trees. In buds from all age groups the amount of transient expression was dependent on the season; the highest values were found ...
Post-transcriptional gene silencing is commonly observed in polyploid species and often poses a major limitation to plant improvement via biotechnology. Five plant viral suppressors of RNA silencing were evaluated for their ability to counteract gene silencing and enhance the expression of the Enhanced Yellow Fluorescent Protein (EYFP) or the β-glucuronidase (GUS) reporter gene in sugarcane, a ...
A method for preparing elicitor-responsive protoplasts from grapevine cells kept in suspension culture was established. The protoplasts were employed in order to perform transient gene expression experiments produced by externally added plasmids. Using the gene coding for bacterial beta-glucuronidase as the reporter gene, the transient expression under the control of various promoters of stilbe...
Agrobacterium mediated transformation of Vigna sesquipedalis was achieved using cotyledonary node explants prepared from 5 days old seedlings germinated on B5 basal medium, and transformed using Agrobacterium tumefaciens strain EHA101, carrying the phosphinothricin-N-acetyltransferase gene and neomycin-3-phosphotransferase-II gene as selectable markers and GUS gene as a screenable marker. Gene ...
Cotton leaf curl Burewala virus (CLCuBuV), belonging to the genus Begomovirus, possesses single-stranded monopartite DNA genome. The bidirectional promoters representing Rep and coat protein (CP) genes of CLCuBuV were characterized and their efficacy was assayed. Rep and CP promoters of CLCuBuV and 35S promoter of Cauliflower mosaic virus (CaMV) were fused with β-glucuronidase (GUS) and green f...
Cell-specific and light-regulated expression of the beta-glucuronidase (GUS) reporter gene from maize cab-m1 and rbcS-m3 promoter sequences was studied in maize leaf segments by using an in situ transient expression microprojectile bombardment assay. The cab-m1 gene is known to be strongly photoregulated and to be expressed almost exclusively in mesophyll cells (MC) but not in bundle sheath cel...
A stable Agrobacterium-mediated transformation system was established using bialaphos as the selective agent in soybeans [Glycine max (L.) Merr.]. The cotyledonary node explants of the soybean cultivar ‘NY-1001’ were inoculated with the Agrobacterium tumefaciens strain EHA105, harboring the vector pCAMBIA3301 containing the gus gene as the reporter gene and the bar gene conferring bialaphos res...
Nucleotide positions conserved on the 3' side of the initiator codon ATG and the corresponding N-terminal amino acid residues in a number of highly abundant plant proteins were identified by computational analysis of a dataset of highly expressed plant genes. The reporter genes uidA and gfp were modified to introduce these features. Insertion of GCT TCC TCC after the initiator codon ATG augment...
Mature Luffa Leaves (Luffa cylindrica L.) as a Tool for Gene Expression Analysis by Agroinfiltration
We exploited the potential of cucurbits for ectopic gene expression. Agroinfiltration is a simple and commonly used method to obtain transient expression of foreign genes in plants. In contrast to in vitro transformation techniques, agroinfiltration can be used for genetic modification of mature plant tissues. Although the cucurbits are commonly used as model plants for molecular biology and bi...
The vsp1 gene of Arabidopsis thaliana encodes a storage protein that accumulates in vegetative organs. Transgenic plants expressing a vsp1 promoter-gus (beta-glucuronidase) gene fusion were found to contain high GUS activity when challenged with jasmonate, a volatile plant hormone. The induction of vsp1-gus expression by jasmonate could be measured in tobacco mesophyll protoplasts, after transi...
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