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Laurianne Leniaud - One of the best experts on this subject based on the ideXlab platform.
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evolution of Reproductive Traits in cataglyphis desert ants mating frequency queen number and thelytoky
Behavioral Ecology and Sociobiology, 2016Co-Authors: Serge Aron, Patrick Mardulyn, Laurianne LeniaudAbstract:Abstract: Cataglyphis desert ants display unique variation in their breeding systems, making this genus a particularly interesting model to study the evolution of derived Reproductive Traits in eusocial Hymenoptera. Colonies may be headed by a single or several queens, and queens may be singly or multiply mated. Furthermore, in a number of species, both the workers and queens do reproduce asexually by thelytokous parthenogenesis. We examined whether the variability in Reproductive Traits is the result of a single evolutionary transition or of multiple independent evolutionary transitions, per trait. First, we inferred a phylogenetic estimate for the genus by analyzing DNA sequence variation among several species at four independent loci. Our phylogenetic hypothesis confirms the monophyly of previously defined species groups. Second, we examined the evolution of four Reproductive Traits in the genus (queen mating frequency, colony queen number, as well as worker reproduction and queen reproduction by thelytokous parthenogenesis), by inferring the state of these Traits at the ancestral nodes. Our results show that polyandry and monogyny are the most likely conditions for the ancestor of the genus; the status of worker and queen thelytoky remains ambiguous. Genetic diversity within colonies may have been a major driver for the evolution of derived Reproductive Traits in Cataglyphis. Significance statement: Kinship among group members has long been recognized as a main factor promoting the evolution of sociality and Reproductive altruism. In eusocial Hymenoptera (ants, bees, wasps), at least three Reproductive characteristics were shown to profoundly affect colony kin structure and may have played a key role in the evolution and maintenance of Reproductive altruism: the queen mating frequency, the number of Reproductive queens in a colony, and reproduction by parthenogenesis. We infer the evolution of these three Reproductive Traits in Cataglyphis desert ants, a genus displaying considerable variation in Reproductive strategies. We propose a phylogenetic estimate for the genus, from variation at four loci. Then, we show that multiple evolutionary changes occurred for all three Reproductive characters studied. Our results suggest that selection for enhanced colony genetic diversity has driven the evolution of Reproductive Traits away from their ancestral state.
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evolution of Reproductive Traits in cataglyphis desert ants mating frequency queen number and thelytoky
Behavioral Ecology and Sociobiology, 2016Co-Authors: Serge Aron, Patrick Mardulyn, Laurianne LeniaudAbstract:Cataglyphis desert ants display unique variation in their breeding systems, making this genus a particularly interesting model to study the evolution of derived Reproductive Traits in eusocial Hymenoptera. Colonies may be headed by a single or several queens, and queens may be singly or multiply mated. Furthermore, in a number of species, both the workers and queens do reproduce asexually by thelytokous parthenogenesis. We examined whether the variability in Reproductive Traits is the result of a single evolutionary transition or of multiple independent evolutionary transitions, per trait. First, we inferred a phylogenetic estimate for the genus by analyzing DNA sequence variation among several species at four independent loci. Our phylogenetic hypothesis confirms the monophyly of previously defined species groups. Second, we examined the evolution of four Reproductive Traits in the genus (queen mating frequency, colony queen number, as well as worker reproduction and queen reproduction by thelytokous parthenogenesis), by inferring the state of these Traits at the ancestral nodes. Our results show that polyandry and monogyny are the most likely conditions for the ancestor of the genus; the status of worker and queen thelytoky remains ambiguous. Genetic diversity within colonies may have been a major driver for the evolution of derived Reproductive Traits in Cataglyphis. Kinship among group members has long been recognized as a main factor promoting the evolution of sociality and Reproductive altruism. In eusocial Hymenoptera (ants, bees, wasps), at least three Reproductive characteristics were shown to profoundly affect colony kin structure and may have played a key role in the evolution and maintenance of Reproductive altruism: the queen mating frequency, the number of Reproductive queens in a colony, and reproduction by parthenogenesis. We infer the evolution of these three Reproductive Traits in Cataglyphis desert ants, a genus displaying considerable variation in Reproductive strategies. We propose a phylogenetic estimate for the genus, from variation at four loci. Then, we show that multiple evolutionary changes occurred for all three Reproductive characters studied. Our results suggest that selection for enhanced colony genetic diversity has driven the evolution of Reproductive Traits away from their ancestral state.
Serge Aron - One of the best experts on this subject based on the ideXlab platform.
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evolution of Reproductive Traits in cataglyphis desert ants mating frequency queen number and thelytoky
Behavioral Ecology and Sociobiology, 2016Co-Authors: Serge Aron, Patrick Mardulyn, Laurianne LeniaudAbstract:Abstract: Cataglyphis desert ants display unique variation in their breeding systems, making this genus a particularly interesting model to study the evolution of derived Reproductive Traits in eusocial Hymenoptera. Colonies may be headed by a single or several queens, and queens may be singly or multiply mated. Furthermore, in a number of species, both the workers and queens do reproduce asexually by thelytokous parthenogenesis. We examined whether the variability in Reproductive Traits is the result of a single evolutionary transition or of multiple independent evolutionary transitions, per trait. First, we inferred a phylogenetic estimate for the genus by analyzing DNA sequence variation among several species at four independent loci. Our phylogenetic hypothesis confirms the monophyly of previously defined species groups. Second, we examined the evolution of four Reproductive Traits in the genus (queen mating frequency, colony queen number, as well as worker reproduction and queen reproduction by thelytokous parthenogenesis), by inferring the state of these Traits at the ancestral nodes. Our results show that polyandry and monogyny are the most likely conditions for the ancestor of the genus; the status of worker and queen thelytoky remains ambiguous. Genetic diversity within colonies may have been a major driver for the evolution of derived Reproductive Traits in Cataglyphis. Significance statement: Kinship among group members has long been recognized as a main factor promoting the evolution of sociality and Reproductive altruism. In eusocial Hymenoptera (ants, bees, wasps), at least three Reproductive characteristics were shown to profoundly affect colony kin structure and may have played a key role in the evolution and maintenance of Reproductive altruism: the queen mating frequency, the number of Reproductive queens in a colony, and reproduction by parthenogenesis. We infer the evolution of these three Reproductive Traits in Cataglyphis desert ants, a genus displaying considerable variation in Reproductive strategies. We propose a phylogenetic estimate for the genus, from variation at four loci. Then, we show that multiple evolutionary changes occurred for all three Reproductive characters studied. Our results suggest that selection for enhanced colony genetic diversity has driven the evolution of Reproductive Traits away from their ancestral state.
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evolution of Reproductive Traits in cataglyphis desert ants mating frequency queen number and thelytoky
Behavioral Ecology and Sociobiology, 2016Co-Authors: Serge Aron, Patrick Mardulyn, Laurianne LeniaudAbstract:Cataglyphis desert ants display unique variation in their breeding systems, making this genus a particularly interesting model to study the evolution of derived Reproductive Traits in eusocial Hymenoptera. Colonies may be headed by a single or several queens, and queens may be singly or multiply mated. Furthermore, in a number of species, both the workers and queens do reproduce asexually by thelytokous parthenogenesis. We examined whether the variability in Reproductive Traits is the result of a single evolutionary transition or of multiple independent evolutionary transitions, per trait. First, we inferred a phylogenetic estimate for the genus by analyzing DNA sequence variation among several species at four independent loci. Our phylogenetic hypothesis confirms the monophyly of previously defined species groups. Second, we examined the evolution of four Reproductive Traits in the genus (queen mating frequency, colony queen number, as well as worker reproduction and queen reproduction by thelytokous parthenogenesis), by inferring the state of these Traits at the ancestral nodes. Our results show that polyandry and monogyny are the most likely conditions for the ancestor of the genus; the status of worker and queen thelytoky remains ambiguous. Genetic diversity within colonies may have been a major driver for the evolution of derived Reproductive Traits in Cataglyphis. Kinship among group members has long been recognized as a main factor promoting the evolution of sociality and Reproductive altruism. In eusocial Hymenoptera (ants, bees, wasps), at least three Reproductive characteristics were shown to profoundly affect colony kin structure and may have played a key role in the evolution and maintenance of Reproductive altruism: the queen mating frequency, the number of Reproductive queens in a colony, and reproduction by parthenogenesis. We infer the evolution of these three Reproductive Traits in Cataglyphis desert ants, a genus displaying considerable variation in Reproductive strategies. We propose a phylogenetic estimate for the genus, from variation at four loci. Then, we show that multiple evolutionary changes occurred for all three Reproductive characters studied. Our results suggest that selection for enhanced colony genetic diversity has driven the evolution of Reproductive Traits away from their ancestral state.
Patrick Mardulyn - One of the best experts on this subject based on the ideXlab platform.
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evolution of Reproductive Traits in cataglyphis desert ants mating frequency queen number and thelytoky
Behavioral Ecology and Sociobiology, 2016Co-Authors: Serge Aron, Patrick Mardulyn, Laurianne LeniaudAbstract:Abstract: Cataglyphis desert ants display unique variation in their breeding systems, making this genus a particularly interesting model to study the evolution of derived Reproductive Traits in eusocial Hymenoptera. Colonies may be headed by a single or several queens, and queens may be singly or multiply mated. Furthermore, in a number of species, both the workers and queens do reproduce asexually by thelytokous parthenogenesis. We examined whether the variability in Reproductive Traits is the result of a single evolutionary transition or of multiple independent evolutionary transitions, per trait. First, we inferred a phylogenetic estimate for the genus by analyzing DNA sequence variation among several species at four independent loci. Our phylogenetic hypothesis confirms the monophyly of previously defined species groups. Second, we examined the evolution of four Reproductive Traits in the genus (queen mating frequency, colony queen number, as well as worker reproduction and queen reproduction by thelytokous parthenogenesis), by inferring the state of these Traits at the ancestral nodes. Our results show that polyandry and monogyny are the most likely conditions for the ancestor of the genus; the status of worker and queen thelytoky remains ambiguous. Genetic diversity within colonies may have been a major driver for the evolution of derived Reproductive Traits in Cataglyphis. Significance statement: Kinship among group members has long been recognized as a main factor promoting the evolution of sociality and Reproductive altruism. In eusocial Hymenoptera (ants, bees, wasps), at least three Reproductive characteristics were shown to profoundly affect colony kin structure and may have played a key role in the evolution and maintenance of Reproductive altruism: the queen mating frequency, the number of Reproductive queens in a colony, and reproduction by parthenogenesis. We infer the evolution of these three Reproductive Traits in Cataglyphis desert ants, a genus displaying considerable variation in Reproductive strategies. We propose a phylogenetic estimate for the genus, from variation at four loci. Then, we show that multiple evolutionary changes occurred for all three Reproductive characters studied. Our results suggest that selection for enhanced colony genetic diversity has driven the evolution of Reproductive Traits away from their ancestral state.
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evolution of Reproductive Traits in cataglyphis desert ants mating frequency queen number and thelytoky
Behavioral Ecology and Sociobiology, 2016Co-Authors: Serge Aron, Patrick Mardulyn, Laurianne LeniaudAbstract:Cataglyphis desert ants display unique variation in their breeding systems, making this genus a particularly interesting model to study the evolution of derived Reproductive Traits in eusocial Hymenoptera. Colonies may be headed by a single or several queens, and queens may be singly or multiply mated. Furthermore, in a number of species, both the workers and queens do reproduce asexually by thelytokous parthenogenesis. We examined whether the variability in Reproductive Traits is the result of a single evolutionary transition or of multiple independent evolutionary transitions, per trait. First, we inferred a phylogenetic estimate for the genus by analyzing DNA sequence variation among several species at four independent loci. Our phylogenetic hypothesis confirms the monophyly of previously defined species groups. Second, we examined the evolution of four Reproductive Traits in the genus (queen mating frequency, colony queen number, as well as worker reproduction and queen reproduction by thelytokous parthenogenesis), by inferring the state of these Traits at the ancestral nodes. Our results show that polyandry and monogyny are the most likely conditions for the ancestor of the genus; the status of worker and queen thelytoky remains ambiguous. Genetic diversity within colonies may have been a major driver for the evolution of derived Reproductive Traits in Cataglyphis. Kinship among group members has long been recognized as a main factor promoting the evolution of sociality and Reproductive altruism. In eusocial Hymenoptera (ants, bees, wasps), at least three Reproductive characteristics were shown to profoundly affect colony kin structure and may have played a key role in the evolution and maintenance of Reproductive altruism: the queen mating frequency, the number of Reproductive queens in a colony, and reproduction by parthenogenesis. We infer the evolution of these three Reproductive Traits in Cataglyphis desert ants, a genus displaying considerable variation in Reproductive strategies. We propose a phylogenetic estimate for the genus, from variation at four loci. Then, we show that multiple evolutionary changes occurred for all three Reproductive characters studied. Our results suggest that selection for enhanced colony genetic diversity has driven the evolution of Reproductive Traits away from their ancestral state.
Loeske E B Kruuk - One of the best experts on this subject based on the ideXlab platform.
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consistent within individual plasticity is sufficient to explain temperature responses in red deer Reproductive Traits
Journal of Evolutionary Biology, 2019Co-Authors: Hannah Froy, Loeske E B Kruuk, Alison Morris, Josephine M Pemberton, T H Cluttonbrock, Julien Martin, Katie V Stopher, Sean MorrisAbstract:Warming global temperatures are affecting a range of aspects of wild populations, but the exact mechanisms driving associations between temperature and phenotypic Traits may be difficult to identify. Here, we use a 36-year data set on a wild population of red deer to investigate the causes of associations between temperature and two important components of female reproduction: timing of breeding and offspring size. By separating within- versus between-individual associations with temperature for each trait, we show that within-individual phenotypic plasticity (changes within a female's lifetime) was entirely sufficient to generate the observed population-level association with temperature at key times of year. However, despite apparently adequate statistical power, we found no evidence of any variation between females in their responses (i.e. no "IxE" interactions). Our results suggest that female deer show plasticity in Reproductive Traits in response to temperatures in the year leading up to calving and that this response is consistent across individuals, implying no potential for either selection or heritability of plasticity. We estimate that the plastic response to rising temperatures explained 24% of the observed advance in mean calving date over the study period. We highlight the need for comparable analyses of other systems to determine the contribution of within-individual plasticity to population-level responses to climate change.
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inter and intrasexual variation in aging patterns across Reproductive Traits in a wild red deer population
The American Naturalist, 2009Co-Authors: Daniel H Nussey, Loeske E B Kruuk, Alison Morris, Michelle N Clements, Josephine M Pemberton, T H CluttonbrockAbstract:Abstract: In polygynous species, adult mortality is generally higher in males than in females, and theory predicts that this should result in the evolution of faster rates of senescence in males. Detailed investigations of sex differences in patterns of aging across the many and varied phenotypic characteristics associated with successful reproduction in wild populations of polygynous vertebrates are currently lacking. Here, we use longitudinal data collected from a wild red deer population to compare aging patterns across a range of life‐history, behavioral, and morphological Traits in both sexes. While males showed more rapid age‐related declines in annual breeding success than did females, there was evidence of variation in aging rates among Traits within each sex. Traits associated with male breeding performance showed a rapid decline in old age, whereas the morphology and phenology of antlers, a key male secondary sexual characteristic, showed minimal senescence. Female Reproductive Traits associated...
T H Cluttonbrock - One of the best experts on this subject based on the ideXlab platform.
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consistent within individual plasticity is sufficient to explain temperature responses in red deer Reproductive Traits
Journal of Evolutionary Biology, 2019Co-Authors: Hannah Froy, Loeske E B Kruuk, Alison Morris, Josephine M Pemberton, T H Cluttonbrock, Julien Martin, Katie V Stopher, Sean MorrisAbstract:Warming global temperatures are affecting a range of aspects of wild populations, but the exact mechanisms driving associations between temperature and phenotypic Traits may be difficult to identify. Here, we use a 36-year data set on a wild population of red deer to investigate the causes of associations between temperature and two important components of female reproduction: timing of breeding and offspring size. By separating within- versus between-individual associations with temperature for each trait, we show that within-individual phenotypic plasticity (changes within a female's lifetime) was entirely sufficient to generate the observed population-level association with temperature at key times of year. However, despite apparently adequate statistical power, we found no evidence of any variation between females in their responses (i.e. no "IxE" interactions). Our results suggest that female deer show plasticity in Reproductive Traits in response to temperatures in the year leading up to calving and that this response is consistent across individuals, implying no potential for either selection or heritability of plasticity. We estimate that the plastic response to rising temperatures explained 24% of the observed advance in mean calving date over the study period. We highlight the need for comparable analyses of other systems to determine the contribution of within-individual plasticity to population-level responses to climate change.
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inter and intrasexual variation in aging patterns across Reproductive Traits in a wild red deer population
The American Naturalist, 2009Co-Authors: Daniel H Nussey, Loeske E B Kruuk, Alison Morris, Michelle N Clements, Josephine M Pemberton, T H CluttonbrockAbstract:Abstract: In polygynous species, adult mortality is generally higher in males than in females, and theory predicts that this should result in the evolution of faster rates of senescence in males. Detailed investigations of sex differences in patterns of aging across the many and varied phenotypic characteristics associated with successful reproduction in wild populations of polygynous vertebrates are currently lacking. Here, we use longitudinal data collected from a wild red deer population to compare aging patterns across a range of life‐history, behavioral, and morphological Traits in both sexes. While males showed more rapid age‐related declines in annual breeding success than did females, there was evidence of variation in aging rates among Traits within each sex. Traits associated with male breeding performance showed a rapid decline in old age, whereas the morphology and phenology of antlers, a key male secondary sexual characteristic, showed minimal senescence. Female Reproductive Traits associated...
