The substitution then reverted in the two immediately descendent lineages, which were either bottlenecked at constant small population sizes on alternating hosts, or further evolved at constant large population sizes on PP.
Experiments in which endophyte laden callus tissue of A. canescens was used as inoculum for native grasses suggest Atriplex associated microbes may confer benefits to alternate host species [26], [27].
The cost is negligible since we alternate hosting our almost monthly meetings in our respective homes and we select books that are readily available at our local public libraries.
It has been hosting Formula One races only since 1970, however, and for the past few years it has alternated hosting the German Grand Prix every other year with the Nürburgring.
Here, we report the cloning of the entire Salmonella pathogenicity island 1 (SPI-1) type III secretion system on a single DNA fragment that is contained on a self-transmissible plasmid vector for convenient transfer to alternate hosts.
It also alternates hosts at different times of year.
Berkeley and Harvard will alternate hosting duties for eight weekly lectures ― double the number offered in the first semester.
The women would alternate hosting Gimjang, and by the end of a week or so, every family would have a copacetic amount of food to last the cold season.
They may be controlled by insecticides or by the destruction of hibernation spots and alternate host plants.
Such measures include crop rotation, destruction of the diseased plants, elimination of alternate host plants, pruning, disinfection, and heat treatments.
The woolly aphid can live indefinitely on the roots of apple trees but can exist only part of the year on elm, the alternate host.
