Exact(51)
There was no significant correlation between the mutation frequencies and resistance levels in the resistant populations, indicating that other mutations may contribute to this variation.
Other important mechanisms that could stabilize resistant populations are no-cost resistance mutations (25 ) and genetic linkage with adjacent genes.
If most resistance is costly for bacteria, resistant populations should decline once the selective antimicrobial pressure is removed.
This demonstrates that the LG8 resistance locus is likely shared across multiple resistant populations from a broad geography.
To investigate whether resistance entailed a cost, we measured the performance of resistant populations in the ancestral environment.
"If you make repeated sprays over years, there is potential for resistant populations to develop," he said, referencing the well-known resistance resulting from the ongoing use of pesticides in Africa to combat malaria.
Similar(9)
Carbetamide-resistant populations had a higher level of resistance than atrazine-resistant populations (T6 = 4.854, P < 0.01).
The spatial distribution and population frequency of the two B2M mutations suggest that a tumor lineage diverged early, developed B2M LOH, and branched into two separate CPB-resistant populations, each with a distinct early frameshift in B2M.
These distinct responses between the insecticide-resistant populations are probably related to the length and intensity of field-selection with insecticides.
Insecticide-resistant populations of Colorado potato beetle (CPB), with insensitive acetylcholinesterase (AChE) have recently been reported from commercial potato fields of Hamedan province in west of Iran.
Detection of minor drug-resistant populations by parallel allele-specific sequencing.
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