This review considers available evidence for mechanisms of conferred adaptive advantages in the face of specific infectious *** short,we explore a number of genetic conditions,which carry some benefits in adverse circ...
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This review considers available evidence for mechanisms of conferred adaptive advantages in the face of specific infectious *** short,we explore a number of genetic conditions,which carry some benefits in adverse circumstances including exposure to infectious *** examples discussed are conditions known to result in resistance to a specific infectious disease,or have been proposed as being associated with resistance to various infectious *** infectious diseasedgenetic disorder pairings include malaria and hemoglobinopathies,cholera and cystic fibrosis,tuberculosis and Tay-Sachs disease,mycotic abortions and phenylketonuria,infection by enveloped viruses and disorders of glycosylation,infection by filoviruses and NiemannePick C1 disease,as well as rabies and myasthenia *** also discuss two genetic conditions that lead to infectious disease hypersusceptibility,although we did not cover the large number of immunologic defects leading to infectious disease *** of the resistance-associated pairings(malaria/hemogloginopathies,cholera/cystic fibrosis,tuberculosis/Tay-Sachs,and mycotic abortions/phenylketonuria)appear to be a result of selection pressures in geographic regions in which the specific infectious agent is *** other pairings do not appear to be based on selection pressure and instead may be ***,research investigating these relationships may lead to treatment options for the aforementioned diseases by exploiting established mechanisms between genetically affected cells and infectious *** may prove invaluable as a starting point for research in the case of diseases that currently have no reliably curative treatments,e.g.,HIV,rabies,and Ebola.
Cultivated potato is a clonally propagated autotetraploid species with a highly heterogeneous *** assemblies of six cultivars including two chromosome-scale phased genome assemblies revealed extensive allelic diversit...
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Cultivated potato is a clonally propagated autotetraploid species with a highly heterogeneous *** assemblies of six cultivars including two chromosome-scale phased genome assemblies revealed extensive allelic diversity,including altered coding and transcript sequences,preferential allele expression,and structural variation that collectively result in a highly complex transcriptome and predicted proteome,which are distributed across the homologous *** species contribute to the extensive allelic diversity in tetraploid cultivars,demonstrating ancestral introgressions predating modern breeding *** a clonally propagated autotetraploid that undergoes limited meiosis,dysfunctional and deleterious alleles are not purged in tetraploid *** a quarter of the loci bore mutations are predicted to have a high negative impact on protein function,complicating breeder’s efforts to reduce genetic *** StCDF1 locus controls maturity,and analysis of six tetraploid genomes revealed that 12 allelic variants of StCDF1 are correlated with maturity in a dosage-dependent *** of the complexity of the tetraploid potato genome with its rampant structural variation and embedded deleterious and dysfunctional alleles will be key not only to implementing precision breeding of tetraploid cultivars but also to the construction of homozygous,diploid potato germplasm containing favorable alleles to capitalize on heterosis in F1 hybrids.
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