Mate choice and reproductive strategies in recently diverged populations of the house mouse (Mus musculus domesticus) [Elektronische Ressource] / vorgelegt von Inka Montero

Montero

Sujets

• Biologie

Informations

• Publié par: christian-albrechts-universitat_zu_kiel
• Publié le: 01 janvier 2010
• Nombre de lectures: 89
• Langue: English

Extrait

Mate choice and reproductive strategies
in recently diverged populations of
the house mouse
(Mus musculus domesticus)






Dissertation




zur Erlangung des Doktorgrades
der Mathematisch-Naturwissenschaftlichen Fakultät
der Christian-Albrechts-Universität zu Kiel

vorgelegt von



Inka Montero




Plön, 2010


































Referent: Prof. Dr. Diethard Tautz
Koreferent: Prof. Dr. Hinrich Schulenburg

Tag der mündlichen Prüfung: 12. 01. 2011

Zum Druck genehmigt: 18. 01. 2011

gez:


2List of Contents
List of Contents

List of Contents ............................................................................................................1

List of Figures and Tables............................................................................................3

Danksagung........................................................5

Zusammenfassung..............................................7

Abstract........................................................................................................................9

Declaration........................................................11

1 General Introduction...........................................................................................12
1.1 Studying mate choice in the context of population divergence ..................
1.2 The house mouse..............................13
1.2.1 The European Western house mouse as a model organism for
evolutionary studies ...................................13
1.2.2 Mouse phylogeny...............................................................................14
1.2.3 Life history of the house mouse..........................................................15
1.3 Aim of the study.........................................................................16

2 Mate choice between individuals of two separated house mouse populations (M.
m. domesticus)..................................................17
2.1 Introduction........................17
2.2 Methods......................................................................................................19
2.2.1 Long-term Experiment................
2.2.2 Controlled female choice in a cage system ........................24
2.3 Results from the Long-term Experiment.....................................................26
2.3.1 Population development.....................................................................26
2.3.2 Paternity assignment..........................................................................28
2.3.3 Assortative mate choice29
2.3.4 Reproductive success........................................................................35
2.3.5 Multiple mating frequencies................................................................47
2.3.6 Social partner choice ..48
2.3.7 Social status..............................49
2.4 Results from the Controlled Cage Experiment ...........................................52
2.5 Discussion.................................................................................53
2.5.1 Paternity analysis......................
2.5.2 Population Development....................................................54
2.5.3 Assortative mating.....................55
2.5.4 Reproductive success........................................................................56
2.5.5 Relative fertilization success ..............................................................
2.5.6 Relative testis weight.................57
2.5.7 Multiple paternity...............................................................
2.5.8 Communal breeding as a measure for social partner choice .............57
2.5.9 Fitness.......................................58
2.6 Conclusion.................




1List of Contents
3 The role of different molecular parameters for mate choice and individual
reproductive strategies...............................................................................................59
3.1 Introduction................59
3.1.1 Background and focus of the investigation.........................................
3.1.2 Mate choice and its benefits in house mice................59
3.1.3 Strategies related to reproduction ......................................60
3.1.4 Genetic parameters involved in mate choice......................................62
3.2 Methods........................................................................................64
3.3 Results.......................................................................................................67
3.3.1 Communal breeding..................
3.3.2 Multiple mating..........................70
3.3.3 Effects of the t haplotype....................................................................76
3.3.4 Parameters correlating with male reproductive success ....................83
3.4 Discussion.........................................85
3.4.1 Communal breeding..................
3.4.2 Multiple paternity...............................................................87
3.4.3 Effects of the t Haplotype...............89
3.4.4 Parameters correlating with reproductive success .............................91
3.5 Conclusion.........................................92

References........................................................93

Supplement..............................................................................................................101
Supplement 1: Description Access Database ......................................................101
Overview tables.......................................101
Detailed description tblMice ....................101

Digital Supplement..........................................104

Erklärung..................................................................................................................105

Lebenslauf.......................................................................106

2List of Figures and Tables
List of Figures and Tables

Figures

Figure 1.1: Colonization history of Mus musculus domesticus. ................................14
Figure 2.1: Allele sharing tree, migration route of house mice.................17
Figure 2.2: Schematic figure of animals in F0 and F1 generations..........19
Figure 2.3: Enclosures used for the experiments......................................................21
Figure 2.4: Experimental setup of the controlled cage experiment. ..........................25
Figure 2.5: Sex ratio in the four replicates: ...............................................................27
Figure 2.6: Sex ratio of offspring...............................................................................27
Figure 2.7: Relative proportion of “pure” and “mixed” animals..................................28
Figure 2.8: Mating events between individuals of F0................................................30
Figure 2.9: Matings between F0 animals, excluding t haplotype animals.................31
Figure 2.10: Number of successful mating events between F1 animals...31
Fi1: Relative number of mating events between F1......................................32
Figure 2.12: Mating events female F0, male F1.........................................................33
Fi3venle F1, male F0.33
Figure 2.14: Father related assortative mating pattern for F1 females/F0 males ......34
Fi5iving pattern: Pairs....................................34
Figure 2.16: Reproductive success of F0 males...............36
Fi7uccess of F1 males.........................................37
Figure 2.18tive success of males born in the enclosure...........................38
Fi9: Reproducuccess of F0 females.....................................................39
Figure 2.20tive success of F1 females40
Fi1uccess for females born in the enclosure ......................41
Figure 2.22: Individual average of fertilization success..............................................43
Figure 2.23: Relative fertilization success in intra- versus inter-population matings..44
Figure 2.24: Relative fertiln su in matings related to father ......................44
Fi5: Female attractiveness............................................................45
Figure 2.26: Male attractiveness.......................46
Fi7: Relative Testis Weight ..47
Figure 2.28: Monitoring records separated for sexes.................................................50
Fi9: Monitoring records of F0 population ......................................................50
Figure 2.30: Monitoring records (relative) for males born in the enclosure................51
Fi1: Individual condition recorded during monitoring ....................................51
Figure 2.32: Female preferences in the cage experiment..........................................52
Figure 3.1: Genetic map of chromosome 17 of wild-type