نتایج جستجو برای: s alleles
تعداد نتایج: 772785 فیلتر نتایج به سال:
: The MNS blood group system, International Society of Blood Transfusion (ISBT) 002, is second after the ABO system. GYPA and GYPB genes encode antigens carried on glycophorin A (GPA), B (GPB), or variant glycophorins. third gene, GYPE, produce E (GPE) but not expressed. arise from several genetic mechanisms. Single nucleotide variants (SNVs) contribute to diversity new antigen SUMI (MNS50), p....
The self-incompatibility (S) genes of flowering plants are, with the fungal incompatibility and mammalian major histocompatibility (MHC) loci, among the most highly polymorphic loci known. In Oenothera organensis, for example, 35 alleles have been detected [1] by laborious compatibility tests between plants of this endemic species, the total population size of which may not exceed 5000 [2]. Dif...
Association analysis was conducted in a core collection of 94 genotypes of Solanum pimpinellifolium to identify variations linked to salt tolerance traits (physiological and yield traits under salt stress) in four candidate genes viz., DREB1A, VP1.1, NHX1, and TIP. The candidate gene analysis covered a concatenated length of 4594 bp per individual and identified five SNP/Indels in DREB1A and VP...
BACKGROUND West Nile virus (WNV) infection is asymptomatic in most individuals, with a minority developing symptoms ranging from WNV fever to serious neuroinvasive disease. This study investigated the impact of host HLA on the outcome of WNV disease. METHODS A cohort of 210 non-Hispanic mostly white WNV(+) subjects from Canada and the U.S. were typed for HLA-A, B, C, DP, DQ, and DR. The study...
We have studied differences in the number of Drosophila pseudoobscura produced in a culture when the flies differ with respect to two alleles (F and S) at the Mdh-2 locus, which codes for a malate dehydrogenase enzyme. The studies were done at low and at high density in two- and three-genotype combinations (S/S, F/F and S/F), with one-genotype cultures as controls.--Density affects the fitness ...
BACKGROUND The eukaryotic translation initiation factor 4E was shown to be involved in resistance against several potyviruses in plants, including pea. We combined our knowledge of pea germplasm diversity with that of the eIF4E gene to identify novel genetic diversity. METHODOLOGY/PRINCIPAL FINDINGS Germplasm of 2803 pea accessions was screened for eIF4E intron 3 length polymorphism, resultin...
During the honeybee breeding project in central Iran, sex alleles homozygoty and sex alleles number in the third generation of 364 colonies were studied in 2003. Sex alleles homozygoty was measured based on Ruttner (1988) and Tarpy and Page (2002) methods. The total area of worker brood area, stored pollen, and drone brood area were measured on the combs. The whole extracted honey weight and re...
The nucleotide sequences of the lytA gene from 29 pneumococcal isolates of various serotypes and 22 additional streptococci of the mitis group (including two Streptococcus pseudopneumoniae strains) have been compared and found to correspond to 19 typical (927-bp-long) and 20 atypical (921-bp-long) alleles. All the Streptococcus pneumoniae strains harbored typical lytA alleles, whereas nonpneumo...
Pathogenesis and transmission of the prion disorders (transmissible spongiform encephalopathies, TSEs) are mediated by a modified isoform of the prion protein (PrP). Prion protein gene (PRNP) alleles associated with relative susceptibility to TSE have been identified in sheep, humans and possibly elk. Comparable data have not been derived for mule deer, a species susceptible to the TSE chronic ...
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