Clonal-Diversity Patterns and Breeding-System Variation in Daphnia pulex, asexual-Sexual Complex

Evolution ◽  
1988 ◽  
Vol 42 (1) ◽  
pp. 147 ◽  
Author(s):  
Paul D. N. Hebert ◽  
Robert D. Ward ◽  
Lawrence J. Weider
Keyword(s):  
Breeding System ◽  
Daphnia Pulex ◽  
Clonal Diversity ◽  
Diversity Patterns

scholarly journals CLONAL-DIVERSITY PATTERNS AND BREEDING-SYSTEM VARIATION IN DAPHNIA PULEX , AN ASEXUAL-SEXUAL COMPLEX

Evolution ◽  
1988 ◽  
Vol 42 (1) ◽  
pp. 147-159 ◽  
Author(s):  
Paul D. N. Hebert ◽  
Robert D. Ward ◽  
Lawrence J. Weider
Keyword(s):  
Breeding System ◽  
Daphnia Pulex ◽  
Clonal Diversity ◽  
Diversity Patterns

Polyphyletic Origins of Asexuality in Daphnia pulex. I. Breeding-System Variation and Levels of Clonal Diversity

Evolution ◽  
1989 ◽  
Vol 43 (5) ◽  
pp. 1004 ◽  
Author(s):  
Paul D. N. Hebert ◽  
Margaret J. Beaton ◽  
Steven S. Schwartz ◽  
David J. Stanton
Keyword(s):  
Breeding System ◽  
Daphnia Pulex ◽  
Clonal Diversity

scholarly journals POLYPHYLETIC ORIGINS OF ASEXUALITY IN DAPHNIA PULEX . I. BREEDING-SYSTEM VARIATION AND LEVELS OF CLONAL DIVERSITY

Evolution ◽  
1989 ◽  
Vol 43 (5) ◽  
pp. 1004-1015 ◽  
Author(s):  
Paul D. N. Hebert ◽  
Margaret J. Beaton ◽  
Steven S. Schwartz ◽  
David J. Stanton
Keyword(s):  
Breeding System ◽  
Daphnia Pulex ◽  
Clonal Diversity

Parasitism and breeding system variation in North American populations of Daphnia pulex

2007 ◽  
Vol 23 (1) ◽  
pp. 235-240 ◽  
Author(s):  
Stuart C. Killick ◽  
Darren J. Obbard ◽  
Stuart A. West ◽  
Tom J. Little
Keyword(s):  
Breeding System ◽  
North American ◽  
Daphnia Pulex

scholarly journals Polygenic variation in sexual investment across an ephemerality gradient in Daphnia pulex

2021 ◽  
Author(s):  
Karen B Barnard-Kubow ◽  
Dörthe Becker ◽  
Connor S Murray ◽  
Robert Porter ◽  
Grace Gutierrez ◽  
...  
Keyword(s):  
Reproductive Strategy ◽  
Evolutionary Dynamics ◽  
Daphnia Pulex ◽  
Clonal Diversity ◽  
Basic Question ◽  
Male Production ◽  
Dynamic Nature ◽  
Quantitative Genetic ◽  
History Of ◽  
Polygenic Variation

Species across the tree of life can switch between asexual and sexual reproduction. In facultatively sexual species, the ability to switch between reproductive modes is often environmentally dependent and subject to local adaptation. However, the ecological and evolutionary factors that influence the maintenance and turnover of polymorphism associated with facultative sex remain unclear. To address this basic question, we studied the ecological and evolutionary dynamics of polymorphism in reproductive strategy in a metapopulation of the model facultative sexual, Daphnia pulex, located in the southern United Kingdom. We found that patterns of clonal diversity, but not genetic diversity varied with ephemerality. Reconstruction of a multi-year pedigree demonstrated the co-existence of clones that were found to differ in their investment into male production. Mapping of quantitative variation in male production using lab-generated and field-collected individuals identified multiple putative QTL underlying this trait, and we identified a plausible candidate gene. The evolutionary history of these QTL suggests that they are relatively young, and male limitation in this system is a rapidly evolving trait. Our work highlights the dynamic nature of the genetic structure and composition of facultative sex across space and time and suggests that quantitative genetic variation in reproductive strategy can undergo rapid evolutionary turnover.

Clonal Diversity in High-Arctic Populations of Daphnia pulex, A Polyploid Apomictic Complex

Evolution ◽  
1987 ◽  
Vol 41 (6) ◽  
pp. 1335 ◽  
Author(s):  
Lawrence J. Weider ◽  
Margaret J. Beaton ◽  
Paul D. N. Hebert
Keyword(s):  
Daphnia Pulex ◽  
Clonal Diversity ◽  
High Arctic
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