Multiple lineages of mutants competed for the same space.
Smith, V. S. et al. Multiple lineages of lice pass through the K-Pg boundary.
In other words, there wasn't a single ancestor who evolved an eye that all other eyes developed from, but multiple ancestors in multiple lineages of animal.
Multiple lineages of avian malaria parasites (Plasmodium) in the Galapagos Islands and evidence for arrival via migratory birds.
However, it is known that multiple lineages of H5N1 are already resistant to another class of drugs, adamantane derivatives, and a few lineages are resistant to oseltamivir.
In particular, there is a dearth of data on the prevalence and clinical differentiation of Lassa virus disease (LVD) in febrile children in endemic areas of Nigeria, which has multiple lineages of the virus.
Additionally, a major challenge in selecting appropriate swine IAV vaccine strains is the co-circulation of multiple lineages of viruses in the same region, requiring multivalent or broadly cross-reacting antigens.
Z. Ding, S. Weissmann, M. Wang, L. Wang, L. Huang, C.R. Myers, T.P. Brutnell, Q. Sun, P. Li, "Identification of photosynthesis-associated C₄ candidate genes through comparative leaf gradient transcriptome in multiple lineages of C₃ and C₄ species", PLoS ONE 10(10): e0100629.
Rather than excluding or minimizing the contribution of regulatory cells to the development of transplantation tolerance, we suggest the possibility that multiple lineages of cells exert regulatory effects that contribute to the development of tolerance, that these regulatory effects are not constant but vary over time, and that the role of regulatory cells varies based on the organ transplanted.
Human immunodeficiency virus type 1 (HIV-1) impacts the activation state of multiple lineages of hematopoietic cells.
For H7, it is well known that multiple lineages of the novel human-infecting avian-origin H7N9 influenza virus obtained their internal genes from H9N2 independently (Fig. 2C).
