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Simple sequence repeats (SSRs), simple tandem repeats (STRs) or microsatellites are short tandem repeats of 1–6 nucleotide motifs. They are twice as abundant as the protein coding DNA in the human genome and yet little is known about their functional relevance. Analysis of genomes across various taxa show that despite the instability associated with longer stretches of repeats, few SSRs with specific...
PAKs, p21-activated kinases, play central roles and act as converging junctions for discrete signals elicited on the cell surface and for a number of intracellular signaling cascades. PAKs phosphorylate a vast number of substrates and act by remodeling cytoskeleton, employing scaffolding, and relocating to distinct subcellular compartments. PAKs affect wide range of processes that are crucial to the...
Metastatic associated proteins (MTA) are integrators of upstream regulatory signals with the ability to act as master coregulators for modifying gene transcriptional activity. The MTA family includes three genes and multiple alternatively spliced variants. The MTA proteins neither have their own enzymatic activity nor have been shown to directly interact with DNA. However, MTA proteins interact with...
Current methods of transgenic animal production are afflicted by low efficiency and high cost. Recently, the electroporation aided sperm-mediated gene transfer (SMGT) emerges as a promising alternative with variable success rate. Among the domestic animal species, the electroporation-aided SMGT is less investigated in goats, except a few reports in which attempts have been made using the auto-uptake...
Simple sequence repeats (SSRs) or microsatellites are tandemly repeated short DNA sequence motifs found to be abundant in higher eukaryotes. Enrichment of SSRs with increasing genome complexity points to a positive selection and their functional relevance. We analyzed genomes of 24 organisms to find features that may help understand the functional relevance of SSRs. Of the 501 possible SSRs, only...
A highly thermostable mutant lipase was generated and characterized. Mutant enzyme demonstrated 144 fold enhanced thermostability over the wild type enzyme at 60°C. Interestingly, the overall catalytic efficiency (k cat/ K m ) of mutant was also enhanced (~20 folds). Circular dichroism spectroscopy, studied as function of temperature, demonstrated that the mutant lipase retained its...
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