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https://www.selleckchem.com/screening/natural-product-library.html Salinity is one of the biggest challenges that need to be faced in crop production. Citrus is highly sensitive to salt stress and obtaining rootstocks with improved resistance to salinity is key for the citrus growing industry. In this study, five mutants of Citrus macrophylla rootstock, obtained through gamma radiation and in vitro pre-selected for their resistance to salinity, were irrigated with a solution containing 100 mM of NaCl. After 8 weeks of exposure, the mutants were evaluated for their performance (growth, visual leaf damage) and chlorophyll, proline, starch, soluble sugars and ion contents to determine their degree of resistance to this salinity level. In the saline conditions assayed, all the mutants showed better performance and less leaf damage than Citrus macrophylla. Our data suggest that this improved resistance to salinity was based on their capacity to accumulate less Na (MM4B and MMN1) or Cl- (MM1A, MM4A and MM3B). Besides having the lowest Cl- content, the mutants MM1A, MM4A and MM3B, had the highest NO3- concentrations in salinity. Furthermore, mutants did not show chlorophyll degradation and showed less leaf damage and acceptable plant growth. Other parameters including proline and soluble sugars, did not prove decisive in the salinity resistance of these genotypes. The microtubule-associated protein tau (MAPT) gene is considered a strong genetic risk factor for Parkinson's disease (PD) in Caucasians. MAPT is located within an inversion region of high linkage disequilibrium designated as H1 and H2 haplotype, and contains eight other genes which have been implicated in neurodegeneration. The aim of the current study was to identify common coding variants in strong linkage disequilibrium (LD) within the associated loci on chr17q21 harboring MAPT. Sanger sequencing of coding exons in 90 Caucasian late-onset PD (LOPD) patients was performed. Specific gene sequencing for LRRC37A,

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