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Virus-like particles (VLPs) are potential candidates in developing biological containers for packaging therapeutic or biologically active agents. Here, we expressed Macrobrachium rosenbergii nodavirus (MrNv) capsid protein (encoding amino acids M1-N371 with 6 histidine residuals) in an Escherichia coli BL21(DE3). These easily purified capsid protein(More)
HIV causes rapid CD4+ T cell depletion in the gut mucosa, resulting in immune deficiency and defects in the intestinal epithelial barrier. Breakdown in gut barrier integrity is linked to chronic inflammation and disease progression. However, the early effects of HIV on the gut epithelium, prior to the CD4+ T cell depletion, are not known. Further, the(More)
In this study we demonstrated that Macrobrachium rosenbergii nodavirus (MrNV) was able to internalize and replicate in Sf9 insect cells, with levels of infection altered by substances affecting the caveolin-(CAV) mediated endocytosis pathway. The use of Sf9 cells for efficient MrNV replication and propagation was demonstrated by confocal microscopy and PCR(More)
Our aim has been to determine whether carbohydrate distribution in the oviducts of progesterone-treated animals is comparable with that of seasonal breeders in Rana tigrina. Like many other anurans, R. tigrina oviduct exhibits a short straight portion (pars recta, pr) at the beginning followed by a long, highly coiled portion (pars convoluta, pc).(More)
We have shown that Macrobrachium rosenbergii nodavirus (MrNV) was able to infect Sf9 cells and that MrNV virus-like particles (MrNV-VLPs) were capable nanocontainers for delivering nucleic acid-based materials. Here, we demonstrated that chymotryptic removal of a C-terminal peptide and its truncated variant (F344-MrNV-VLPs) exhibited a drastically reduced(More)
We report the presence of trypsin-like enzymes preferring Boc-QAR-MCA substrate in sperm collected from different portions of male reproductive tracts of the giant freshwater prawn, Macrobrachium rosenbergii and compare enzyme activities before and after an A23187 calcium ionophore treatment. Fluorogenic enzyme assays revealed that testicular sperm lysates(More)
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