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This commentary highlights the article by Grumaz et al that describes the use of molecular sequencing for fast detection of pathogens directly from blood samples from septic patients.Polyamines and polyamides have a fundamental role in the biology of plants, and the presence of NO seems compulsory to account for their actions. In general, the NO production has claimed to occur through an enzymatic process, but not involving polyamines and polyamides. Nevertheless, a non-enzymatic mechanism, such as an electron transfer process among polyamines or polyamides and an acid nitrite solution, could account for rapid production of NO, even in anoxic conditions. EPR experiments, carried out with these substrates, proved the formation of NO. This evidence supports a non-enzymatic mechanism as an alternative source of NO, even in plants. So, since the NO production seems directly dependent on polyamines or polyamides presence, and these responsible for many activities in plants, it comes plausibly to consider crucial the involvement of NO in their actions. Furthermore, as for mammals, these results would confirm that, even in plants, NO production can occur through both enzymatic and non-enzymatic mechanisms.Although taste is an important aspect of fruit quality, an understanding of its genetic control remains elusive in apple and other fruit crops. In this study, we conducted genomic sequence analysis of 497 Malus accessions and revealed erosion of genetic diversity caused by apple breeding and possible independent domestication events of dessert and cider apples. Signatures of selection for fruit acidity and size, but not for fruit sugar content, were detected during the processes of both domestication and improvement. Furthermore, we found that single mutations in major genes affecting fruit taste, including Ma1, MdTDT, and MdSOT2, dramatically decrease malate, citrate, and sorbitol accumulation, respectively, and correspond to important domestication events. Interestingly, Ma1 was identified to have pleiotropic effects on both organic acid content and sugaracid ratio, suggesting that it plays a vital role in determining fruit taste. Fruit taste is unlikely to have been negatively affected by linkage drag associated with selection for larger fruit that resulted from the pyramiding of multiple genes with minor effects on fruit size. Collectively, our study provides new insights into the genetic basis of fruit quality and its evolutionary roadmap during apple domestication, pinpointing several candidate genes for genetic manipulation of fruit taste in apple.Previously, six miRNAs were identified from the microsporidian parasite Nosema ceranae. By taking advantage of the recently updated N. ceranae and honey bee genome assemblies, we re-analyzed the deep sequencing datasets. Three novel miRNAs were identified, which were further validated by plasmid cloning and sequencing. The miRNAs correlated with significantly higher number of genes from the parasite than the host. Our data suggest the parasitic miRNAs are involved in self-regulation during the proliferation.The polymorphic nature of merozoite surface protein 1(MSP1) raises doubts whether it may serve as a vaccine target against Plasmodium vivax malaria. This study analyses the impact of genetic variability on the epitope organization of different Pvmsp1 blocks. Ten blood samples collected from P. vivax infected malaria patients from West Bengal, India were used to analyze sequence and antigenic diversities of block 2 region of Pvmsp1. An additional 48 block 2 sequences from other countries were also analyzed. Global genetic framework of Pvmsp1 block 2 was represented by 12 indel clusters & 33 haplotypes (haplotype diversiy = 0.965 ± 0.024). Parasite sequences pertaining to other Pvmsp1 modules, namely block 6 and 10 displayed 14 & 29 (haplotype diversiy = 0.975 ± 0.003) and 22 & 30 indel clusters and haplotypes (haplotype diversiy = 0.947 ± 0.004), respectively. In spite of this remarkable genetic diversity, a small number of conserved epitopes were detected in all three PvMSP1 blocks. This novel finding substantiates that MSP1 could serve as a promising vaccine candidate against vivax malaria.Non-diphtherial Corynebacterium species or diphtheroids were previously considered as the mere contaminants of clinical samples. Of late, they have been reckoned as the formidable infection causing agents of various diseases. While the scientific database is filled with articles that document whole genome analysis of individual isolates, a comprehensive comparative genomic analysis of diphtheroids alongside Corynebacterium diphtheriae is expected to enable us in understanding their genomic as well as evolutionary divergence. Here, we have analysed the whole genome sequences of forty strains that were selected from a range of eleven Corynebacterium species (pathogenic and non-pathogenic). A statistical analysis of the pan and core genomes revealed that even though the core genome is saturated, the pan genome is yet open rendering scope for newer gene families to be accumulated in the course of evolution that might further change the pathogenic behavior of these species. Every strain had bacteriophage components integrated in its genome and some of them were intact and consisted of toxins. The presence of diversified genomic islands was observed across the dataset and most of them consisted of genes for virulence and multidrug resistance. Moreover, the phylogenetic analysis showed that a diphtheroid is the last common ancestor of all the Corynebacterium species. The current study is a compilation of genomic features of pathogenic as well as non-pathogenic Corynebacterium species which provides insights into their virulence potential in the times to come.Foot-and-mouth disease is one of the devastating transboundary animal diseases causing heavy losses to the livestock industry. Different vaccines based on the inactivated FMD virus are used against this disease, but lack of immunological memory and the need for high biocontainment are the major drawbacks of these vaccines. A novel vaccine comprising recombinant antigenic regions is effective, as they lack viruses for production. Considering the fact, capsid proteins vp4, vp2, vp3, and vp1 with 3C protease of FMDV serotype Asia-1 were analyzed through reverse vaccinology approaches in this study. https://www.selleckchem.com/products/Cladribine.html The sequence and structural analysis of the proteins is carried out through various bioinformatic tools and the sequence analysis has figured out the acidic nature and thermal stability of the proteins, likewise, the phylogenetic analysis helped us to trace the FMDV isolates, elucidating that selected proteins belong to the strain (Group VII), which is currently circulating in Pakistan. Next, the B-cell and MHC Class-I epitopes are identified from the antigenic proteins by immunoinformatic tools.
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