نتایج جستجو برای: lacz reporter gene
تعداد نتایج: 1151966 فیلتر نتایج به سال:
Background: HTLV-1 (Human T_cell lymphotropic virus type), with about 20 million individuals infected worldwide, is a global health problem and is endemic in certain area such as Japan and Khorasan province of Iran. HTLV-1 is the causative agent of progressive diseases, Adult T cell Leukemia (ATL), and HTLV-I Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP) which have no ...
Regulation of gene expression is critical for the ability of Borrelia burgdorferi to adapt to different environments during its natural infectious cycle. Reporter genes have been used successfully to study gene regulation in multiple organisms. We have introduced a lacZ gene into B. burgdorferi, and we show that B. burgdorferi produces a protein with detectable β-galactosidase activity in both ...
the green fluorescent protein (gfp) was originally isolated from the jellyfish aequorea victoria that fluoresces green when exposed to blue light. gfp protein is composed of 238 amino acids with the molecular mass of 26.9 kd. the gfp gene is frequently used in cellular and molecular biology as a reporter gene. to date, many bacterial, yeast , fungal, plants, fly and mammalian cells, including h...
The lin-12 gene encodes a receptor that mediates certain cell-cell interactions during Caenorhabditis elegans development. We have examined the expression of a lin-12::lacZ reporter gene in individual cells during the development of C. elegans hermaphrodites. lin-12::lacZ is expressed in a discrete spatial and temporal pattern during development and teh lin-12::lacZ reporter gene will provide a...
We have used the bacterial beta-galactosidase gene (lacZ) as a reporter gene for the rapid measurement of T-cell antigen receptor (TCR)-mediated activation of individual T cells. The reporter construct contained the lacZ gene under the control of the nuclear factor of activated T cells (NF-AT) element of the human interleukin 2 enhancer [Fiering, S., Northrop, J. P., Nolan, G. P., Matilla, P., ...
Expression of the platelet-derived growth factor A-chain gene (Pdgfa) occurs widely in the developing mouse, where it is mainly localized to various epithelial and neuronal structures. Until now, in situ mRNA hybridization (ISH) has been the only reliable method to identify Pdgfa expression in tissue sections or whole mount preparations. Validated protocols for in situ detection of PDGF-A prote...
Sequence data for genes encoding 16S rRNA indicated that the marine strain previously named Pseudomonas sp. strain S9 would be better identified as a Pseudoalteromonas sp. By use of transposon mutagenesis, a chitinase-negative mutant of S9 with a lacZ reporter gene insertion was isolated. Part of the interrupted gene was cloned and sequenced. The deduced amino acid sequence had homology to sequ...
The ability to reliably express fluorescent reporters or other genes of interest is important for using human pluripotent stem cells (hPSCs) as a platform for investigating cell fates and gene function. We describe a simple expression system, designated GAPTrap (GT), in which reporter genes, including GFP, mCherry, mTagBFP2, luc2, Gluc, and lacZ are inserted into the GAPDH locus in hPSCs. Indep...
Single-copy gene fusions between the lacZ reporter gene and Escherichia coli strains containing promoters induced by cold shock (cspA), cytoplasmic stress (ibp), or protein misfolding in the cell envelope (P3rpoH) were constructed and tested to determine their ability to detect antibacterial agents while simultaneously providing information on their cellular targets. Antibiotics that affect pro...
In order to screen for developmentally active chromosomal domains during zebrafish embryogenesis, we generated transgenic fish by microinjecting two different lacZ reporter constructs into fertilized eggs. Transgenic fish were screened among the progeny of injected fish (F0) crossed to non-injected fish. Groups of 15 to 20 progeny of each cross were tested for lacZ expression and/or transmissio...
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