نتایج جستجو برای: شاخص اطمینانپذیری fri
تعداد نتایج: 75253 فیلتر نتایج به سال:
A differential pattern in the RAPD profile of Eucalyptus F1 natural hybrids FRI-4 (E. terticornis x E. camaldulensis), FRI-5 (E. camaldulensis X E. tereticornis) and controlled reciprocal crosses FRI-14 (E. torelliana X E. citriodora) along with their parental combinations was assessed through Polymerase Chain Reaction using commercially available primers. After electrophoresis of PCR product t...
Allopolyploidy is formed by combining two or more divergent genomes and occurs throughout the evolutionary history of many plants and some animals. Transcriptome analysis indicates that many genes in various biological pathways, including flowering time, are expressed nonadditively (different from the midparent value). However, the mechanisms for nonadditive gene regulation in a biological path...
After a brief introduction to the morphological properties of FRI radio sources, we discuss the possibility that FRI jets are relativistic at their bases and decelerate quickly to non-relativistic velocities. From two-frequency data we determine spectral index distributions and consequently the ages of FRI sources. We show that in the large majority of cases synchrotron theory provides unambigu...
The floral inhibitor FLOWERING LOCUS C (FLC) is a crucial regulator of flowering time in Arabidopsis, and is positively regulated by the FRIGIDA (FRI) gene in late-flowering winter-annual accessions. In rapid-cycling accessions, FLC expression is suppressed by the autonomous floral-promotion pathway (AP); thus AP mutants contain high levels of FLC and are late flowering. Previous work has shown...
The latest influenza A (H1N1) pandemic attracted worldwide attention and called for the urgent development of novel antiviral drugs. Here, seven tripeptides are designed and explored as neuraminidase (NA) inhibitors on the structural basis of known inhibitors. Their interactions with NA are studied and compared with each other, using flexible docking and molecular dynamics simulations. The vari...
BACKGROUND In 2007, a US Air Force training facility reported a cluster of severe respiratory illnesses associated with a rare human adenovirus (Ad) serotype, Ad14. We investigated this outbreak to better understand its epidemiology, clinical spectrum, and associated risk factors. METHODS Data were collected from ongoing febrile respiratory illness (FRI) surveillance and from a retrospective ...
Protein-nucleic acid complexes are important for many cellular processes including the most essential functions such as transcription and translation. For many protein-nucleic acid complexes, flexibility of both macromolecules has been shown to be critical for specificity and/or function. The flexibility-rigidity index (FRI) has been proposed as an accurate and efficient approach for protein fl...
We know how the hepatitis A virus (HAV) is spread, but foodborne enteric viruses remain a difficult problem to control. An outbreak affecting 153 schoolchildren and staff in Michigan this spring emphasizes the need for continued vigilance. The frozen strawberries implicated in this outbreak were grown in Mexico and then packaged in a California plant before being distributed to schools (1). The...
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