Sentence examples for serial bottlenecks from inspiring English sources
Serial bottlenecks are eliminated with no additional memory usage.
Additional diversity may be lost due to serial bottlenecks [40] if island populations, already constrained to be small by island size, are repeatedly reduced due to demographic stochasticity.
The process of colonisation is usually associated with a loss of genetic diversity towards the leading edge of the colonizing front, caused by founder effects and serial bottlenecks [20].
If L. leucozonium spread across NA via additional small founder events, creating serial bottlenecks, we would expect to see a much stronger signature of genetic drift in our dataset, such as significant population structure, isolation by distance, and reductions of genetic diversity from the initial introduction site (the east coast) to the colonizing front [32], [37]; these patterns are absent.
In previous studies "in vitro" by our group, we documented a rapid HIV-1 fitness decrease after serial bottlenecks passages [3], and also rapid fitness recovery attained when the virus was subjected to large population passages [3], [4], [14], [15], [16].
For example, one could use blockwise data to fit scenarios of population expansion, serial bottlenecks, or more general models of multiple merger coalescence (Coop and Ralph 2012).
This phenomenon has been termed the 'serial founder effect': quite literally serial bottlenecking due to the sequential reduction of within-group genetic variance as effective population sizes become progressively smaller with each dispersal event.
According to the refuge theory [ 25, 34], rapid population expansion from refugia during interglacial periods would have entailed serial bottlenecking with progressive loss of allelic diversity, resulting in less population genetic diversity among the most recently colonised places.
Although recent studies [ 38, 39] questioned the validity of serial bottleneck accounts, a majority of AB theories, e.g., the two-stage model by Chun and Potter [ 14] or the central interference model by Jolicoeur and Dell'Acqua [ 28], attribute the AB effect to a delay of T2 consolidation in working memory, which is elicited by T1 encoding.
Dr Ariën believes that in this case the attenuation could be the result of what he calls "serial genetic bottlenecks" during transmission from host to host.
In addition, demographic history of a serial of bottlenecks prior to the Holocene has been proposed to explain the difference between pedigree and population-level substitution rates [14].
