Modeling the evolution of flower colour in snapdragons

Published on 2014-06-052898 Views

Nicholas Barton

Species are often subdivided into distinct populations, which are separated by narrow zones of hybridisation. These can be modelled using reaction-diffusion equations, yielding estimates of quantities

Kolokviji na Institutu "Jožef Stefan"

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Genetics

Presentation

Modeling the evolution of flower colour in snapdragons00:00

Team07:26

Antirrhinum species08:14

Antirrhinum majus pseudomajus09:04

Genotype → Phenotype09:37

Types12:01

Genotype frequencies12:16

Diffusion of genes - 115:27

Diffusion of genes - 218:36

Diffusion of genes - 318:48

Diffusion of genes - 419:29

A hybrid zone in Podisma pedestris20:54

Diffusion of genes - 521:16

Diffusion of genes - 621:24

Hybrid zones are common - 123:21

Hybrid zones are common - 224:23

Hybrid zones are common - 324:56

Hybrid zones are common - 424:57

Local phenotype frequencies imply assortment - 126:15

Local phenotype frequencies imply assortment - 226:39

Local phenotype frequencies imply assortment - 328:20

Narrow clines → Strong selection?28:49

Back to the snapdragons31:04

Hybrid index31:53

Width across the genome - 132:29

Width across the genome - 232:35

Upper and lower lines33:41

Narrow clines indicate strong selection, but may also arise by chance - 134:38

Narrow clines indicate strong selection, but may also arise by chance - 234:39

Heterogeneous patterns of genomic divergence between linked loci controlling flower colour37:05

Is excess Fst due to: - 137:17

Is excess Fst due to: - 237:20

Process of mixing37:21

Whole genome sequencing ROS eluta region38:17

The A-team38:55