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Lerch BA, Zipple MN, Gesquiere LR, Sloan ET, Beehner JC, Alberts SC. Male-mediated early maturation unlikely to evolve via adaptive evolution. Anim Behav 2024; 214:219-240. [PMID: 39035706 PMCID: PMC11259042 DOI: 10.1016/j.anbehav.2024.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
The Vandenbergh effect, or male-mediated maturation, occurs when females reach sexual maturation upon exposure to a novel male. Male-mediated maturation is found across mammals, including in geladas, Theropithecus gelada, where it may be an adaptive counterstrategy to infanticide that follows the immigration of a new male; maturing after male immigration maximizes a female's chances of weaning her first offspring before the next infanticidal male immigrates (the 'optimal timing hypothesis'). Alternatively, the nonadaptive 'Bruce effect by-product hypothesis' posits that male-mediated maturation in geladas (and possibly other mammals) is triggered by the same physiological changes that, in pregnant females, produce spontaneous abortion (the Bruce effect). We test both hypotheses using theory and observational data. We show that neither male-mediated maturation nor its associated hormonal changes occur in baboons (Papio cynocephalus × P. anubis), a primate without the Bruce effect. An individual-based model suggests that male-mediated maturation should not evolve via adaptive evolution in either geladas or baboons. Finally, we derive the selection coefficient for male-mediated maturation and show it is likely to be very small because male-mediated maturation yields only marginal potential benefits unless the system is extremely fine-tuned. We conclude that male-mediated maturation in geladas is a by-product of the Bruce effect and more broadly that the Vandenbergh effect may be nonadaptive.
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Affiliation(s)
- Brian A. Lerch
- Department of Biology, University of North Carolina Chapel Hill, NC, U.S.A
| | - Matthew N. Zipple
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, U.S.A
| | | | - Evan T. Sloan
- Plant Conservation and Population Biology Group, Department of Biology, KU Leuven, Leuven, Belgium
| | - Jacinta C. Beehner
- Department of Psychology, University of Michigan, Ann Arbor, MI, U.S.A
- Department of Anthropology, University of Michigan, Ann Arbor, MI, U.S.A
| | - Susan C. Alberts
- Department of Biology, Duke University, Durham, NC, U.S.A
- Department of Evolutionary Anthropology, Duke University, Durham, NC, U.S.A
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2
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Vodjerek L, Erixon F, Mendes Ferreira C, Fickel J, Eccard JA. The role of male quality in sequential mate choice: pregnancy replacement in small mammals? ROYAL SOCIETY OPEN SCIENCE 2024; 11:240189. [PMID: 39076357 PMCID: PMC11285816 DOI: 10.1098/rsos.240189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 03/26/2024] [Accepted: 06/06/2024] [Indexed: 07/31/2024]
Abstract
Females mainly increase their reproductive success by improving the quality of their mates and need to be discriminative in their mate choices. Here, we investigate whether female mammals can trade up sire quality in sequential mate choice during already progressed pregnancies. A male-induced pregnancy termination (functional 'Bruce effect') could thus have an adaptive function in mate choice as a functional part of a pregnancy replacement. We used bank voles (Myodes glareolus) as a model system and exchanged the breeding male in the early second trimester of a potential pregnancy. Male quality was determined using urine marking values. Females were offered a sequence of either high- then low-quality male (HL) or a low- then high-quality male (LH). The majority of females bred with high-quality males independent of their position in the sequence, which may indicate a pregnancy replacement in LH but not in HL. The body size of the second male, which could have been related to the coercion of females by males into remating, did not explain late pregnancies. Thus, pregnancy replacement, often discussed as a counterstrategy to infanticide, may constitute adaptive mate choice in female mammals, and female choice may induce pregnancy replacement in mammals.
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Affiliation(s)
- Lea Vodjerek
- Animal Ecology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Filippa Erixon
- Animal Ecology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Clara Mendes Ferreira
- Animal Ecology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Jörns Fickel
- Molecular Ecology and Evolution, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
- Department of Evolutionary Genetics, Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
| | - Jana A. Eccard
- Animal Ecology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Berlin, Germany
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3
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Vogt CC, Zipple MN, Sprockett DD, Miller CH, Hardy SX, Arthur MK, Greenstein AM, Colvin MS, Michel LM, Moeller AH, Sheehan MJ. Female behavior drives the formation of distinct social structures in C57BL/6J versus wild-derived outbred mice in field enclosures. BMC Biol 2024; 22:35. [PMID: 38355587 PMCID: PMC10865716 DOI: 10.1186/s12915-024-01809-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/02/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Social behavior and social organization have major influences on individual health and fitness. Yet, biomedical research focuses on studying a few genotypes under impoverished social conditions. Understanding how lab conditions have modified social organizations of model organisms, such as lab mice, relative to natural populations is a missing link between socioecology and biomedical science. RESULTS Using a common garden design, we describe the formation of social structure in the well-studied laboratory mouse strain, C57BL/6J, in replicated mixed-sex populations over 10-day trials compared to control trials with wild-derived outbred house mice in outdoor field enclosures. We focus on three key features of mouse social systems: (i) territory establishment in males, (ii) female social relationships, and (iii) the social networks formed by the populations. Male territorial behaviors were similar but muted in C57 compared to wild-derived mice. Female C57 sharply differed from wild-derived females, showing little social bias toward cage mates and exploring substantially more of the enclosures compared to all other groups. Female behavior consistently generated denser social networks in C57 than in wild-derived mice. CONCLUSIONS C57 and wild-derived mice individually vary in their social and spatial behaviors which scale to shape overall social organization. The repeatable societies formed under field conditions highlights opportunities to experimentally study the interplay between society and individual biology using model organisms.
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Affiliation(s)
- Caleb C Vogt
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA.
| | - Matthew N Zipple
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Daniel D Sprockett
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, 14853, USA
| | - Caitlin H Miller
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Summer X Hardy
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Matthew K Arthur
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Adam M Greenstein
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Melanie S Colvin
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Lucie M Michel
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
| | - Andrew H Moeller
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, 14853, USA
| | - Michael J Sheehan
- Laboratory for Animal Social Evolution and Recognition, Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA.
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4
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Bergman TJ, Beehner JC. Information Ecology: an integrative framework for studying animal behavior. Trends Ecol Evol 2023; 38:1041-1050. [PMID: 37820577 DOI: 10.1016/j.tree.2023.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 05/17/2023] [Accepted: 05/24/2023] [Indexed: 10/13/2023]
Abstract
Information is simultaneously a valuable resource for animals and a tractable variable for researchers. We propose the name Information Ecology to describe research focused on how individual animals use information to enhance fitness. An explicit focus on information in animal behavior is far from novel - we simply build on these ideas and promote a unified approach to how and why animals use information. The value of information to animals favors the theoretically rich adaptive approach of field-based research. Simultaneously, our ability to manipulate information lends itself to the strong methods of laboratory-based research. Information Ecology asks three questions: What information is available? How is it used (or not)? And, why is it used (or not)?
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Affiliation(s)
- Thore J Bergman
- Department of Psychology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Jacinta C Beehner
- Department of Psychology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Anthropology, University of Michigan, Ann Arbor, MI 48109, USA
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5
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Morris DW. Sex‐dependent habitat selection modulates risk management by meadow voles. Ecosphere 2023. [DOI: 10.1002/ecs2.4378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Affiliation(s)
- Douglas W. Morris
- Department of Biology Lakehead University Thunder Bay Ontario Canada
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6
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Morrison RE, Hirwa JP, Ndagijimana F, Vecellio V, Eckardt W, Stoinski TS. Cascading effects of social dynamics on the reproduction, survival, and population growth of mountain gorillas. Anim Conserv 2022. [DOI: 10.1111/acv.12830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- R. E. Morrison
- Dian Fossey Gorilla Fund, Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund Kinigi Rwanda
- Centre for Research in Animal Behaviour, Department of Psychology University of Exeter Exeter UK
| | - J. P. Hirwa
- Dian Fossey Gorilla Fund, Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund Kinigi Rwanda
| | - F. Ndagijimana
- Dian Fossey Gorilla Fund, Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund Kinigi Rwanda
| | - V. Vecellio
- Dian Fossey Gorilla Fund, Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund Kinigi Rwanda
| | - W. Eckardt
- Dian Fossey Gorilla Fund, Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund Kinigi Rwanda
| | - T. S. Stoinski
- Dian Fossey Gorilla Fund, Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund Kinigi Rwanda
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7
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Breeding Seasonality in Female Vervet Monkeys (Chlorocebus pygerythrus) Living in an Anthropogenic Landscape. INT J PRIMATOL 2022. [DOI: 10.1007/s10764-022-00313-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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8
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Bartoš L, Putman R, Pluháček J, Dušek A, Bartošová J. Bruce effect, pregnancy block and disruption or feticide: proposal of a new term ‘effect of nonsire male's presence’. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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9
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10
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Miller CM, Snyder-Mackler N, Nguyen N, Fashing PJ, Tung J, Wroblewski EE, Gustison ML, Wilson ML. Extragroup paternity in gelada monkeys, Theropithecus gelada, at Guassa, Ethiopia and a comparison with other primates. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.05.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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11
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Zipple MN, Roberts EK, Alberts SC, Beehner JC. The Bruce effect should be defined by function, not mechanism: comments on ‘How to escape male infanticide: mechanisms for avoiding or terminating pregnancy in mammals’. Mamm Rev 2021. [DOI: 10.1111/mam.12250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | - Eila K. Roberts
- Department of Integrative Biology Michigan State University East Lansing MI48824USA
| | - Susan C. Alberts
- Department of Biology Duke University Durham NC27708USA
- Department of Evolutionary Anthropology Duke University Durham NC27708USA
| | - Jacinta C. Beehner
- Departments of Psychology and Anthropology University of Michigan Ann Arbor MI48109USA
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12
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Contrasting effects of male immigration and rainfall on rank-related patterns of miscarriage in female olive baboons. Sci Rep 2021; 11:4042. [PMID: 33597555 PMCID: PMC7889879 DOI: 10.1038/s41598-021-83175-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 01/27/2021] [Indexed: 01/15/2023] Open
Abstract
In mammalian species with prolonged maternal investment in which high-ranking males gain disproportionate numbers of mating opportunities, males that quickly ascend the hierarchy may benefit from eliminating the dependent offspring of their competitors. In savanna baboons, high-ranking females are the most profitable targets of infanticide or feticide, because their offspring have higher survival rates and their daughters reach sexual maturity at a younger age. However, such patterns may be obscured by environmental stressors that are known to exacerbate fetal losses, especially in lower-ranking females. Using 30 years of data on wild olive baboons (Papio anubis) in Gombe National Park, Tanzania, we found evidence that rapidly-rising immigrant males induced miscarriages in high-ranking females outside of drought conditions. However, miscarriage rates were largely reversed during prolonged periods of low rainfall, suggesting that low-ranking females are particularly vulnerable to low food availability and social instability. Infanticide did not emerge as a recurrent male strategy in this population, likely because of the protective behavior of resident males towards vulnerable juveniles.
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13
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Lu A, Feder JA, Snyder-Mackler N, Bergman TJ, Beehner JC. Male-Mediated Maturation in Wild Geladas. Curr Biol 2021; 31:214-219.e2. [DOI: 10.1016/j.cub.2020.10.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/25/2020] [Accepted: 10/01/2020] [Indexed: 01/18/2023]
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14
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Rozenkrantz L, Weissgross R, Weiss T, Ravreby I, Frumin I, Shushan S, Gorodisky L, Reshef N, Holzman Y, Pinchover L, Endevelt-Shapira Y, Mishor E, Soroka T, Finkel M, Tagania L, Ravia A, Perl O, Furman-Haran E, Carp H, Sobel N. Unexplained repeated pregnancy loss is associated with altered perceptual and brain responses to men's body-odor. eLife 2020; 9:e55305. [PMID: 32988456 PMCID: PMC7524551 DOI: 10.7554/elife.55305] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 08/18/2020] [Indexed: 01/24/2023] Open
Abstract
Mammalian olfaction and reproduction are tightly linked, a link less explored in humans. Here, we asked whether human unexplained repeated pregnancy loss (uRPL) is associated with altered olfaction, and particularly altered olfactory responses to body-odor. We found that whereas most women with uRPL could identify the body-odor of their spouse, most control women could not. Moreover, women with uRPL rated the perceptual attributes of men's body-odor differently from controls. These pronounced differences were accompanied by an only modest albeit significant advantage in ordinary, non-body-odor-related olfaction in uRPL. Next, using structural and functional brain imaging, we found that in comparison to controls, most women with uRPL had smaller olfactory bulbs, yet increased hypothalamic response in association with men's body-odor. These findings combine to suggest altered olfactory perceptual and brain responses in women experiencing uRPL, particularly in relation to men's body-odor. Whether this link has any causal aspects to it remains to be explored.
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Affiliation(s)
- Liron Rozenkrantz
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Reut Weissgross
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Tali Weiss
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Inbal Ravreby
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Idan Frumin
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Sagit Shushan
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
- Department of Otolaryngology & Head and Neck Surgery, Edith Wolfson Medical Center, Holon, Israel
| | - Lior Gorodisky
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Netta Reshef
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Yael Holzman
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Liron Pinchover
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Yaara Endevelt-Shapira
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Eva Mishor
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Timna Soroka
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Maya Finkel
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Liav Tagania
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Aharon Ravia
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Ofer Perl
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
| | - Edna Furman-Haran
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
- Life Sciences Core Facilities, Weizmann Institute of Science, Rehovot, Israel
| | - Howard Carp
- Department of Obstetrics & Gynecology, Sheba Medical Center, Tel Hashomer, Israel
| | - Noam Sobel
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
- The Azrieli National Institute for Human Brain Imaging and Research, Rehovot, Israel
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15
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Bartoš L, Dušek A, Bartošová J, Pluháček J, Putman R. How to escape male infanticide: mechanisms for avoiding or terminating pregnancy in mammals. Mamm Rev 2020. [DOI: 10.1111/mam.12219] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Luděk Bartoš
- Department of Ethology Institute of Animal Science Praha Uhříněves10400 Czech Republic
- Department of Ethology and Companion Animal Science Faculty of Agrobiology, Food and Natural Resources Czech University of Life Sciences in Prague Praha 6‐Suchdol16500 Czech Republic
| | - Adam Dušek
- Department of Ethology Institute of Animal Science Praha Uhříněves10400 Czech Republic
| | - Jitka Bartošová
- Department of Ethology Institute of Animal Science Praha Uhříněves10400 Czech Republic
- Department of Ethology and Companion Animal Science Faculty of Agrobiology, Food and Natural Resources Czech University of Life Sciences in Prague Praha 6‐Suchdol16500 Czech Republic
| | - Jan Pluháček
- Department of Ethology Institute of Animal Science Praha Uhříněves10400 Czech Republic
| | - Rory Putman
- Institute of Biodiversity, Animal Health and Comparative Medicine University of Glasgow Glasgow UK
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16
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Zipple MN. When will the Bruce effect evolve? The roles of infanticide, feticide and maternal death. Anim Behav 2020. [DOI: 10.1016/j.anbehav.2019.11.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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17
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18
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Lu A, Petrullo L, Carrera S, Feder J, Schneider-Crease I, Snyder-Mackler N. Developmental responses to early-life adversity: Evolutionary and mechanistic perspectives. Evol Anthropol 2019; 28:249-266. [PMID: 31498945 DOI: 10.1002/evan.21791] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 03/28/2019] [Accepted: 06/11/2019] [Indexed: 02/06/2023]
Abstract
Adverse ecological and social conditions during early life are known to influence development, with rippling effects that may explain variation in adult health and fitness. The adaptive function of such developmental plasticity, however, remains relatively untested in long-lived animals, resulting in much debate over which evolutionary models are most applicable. Furthermore, despite the promise of clinical interventions that might alleviate the health consequences of early-life adversity, research on the proximate mechanisms governing phenotypic responses to adversity have been largely limited to studies on glucocorticoids. Here, we synthesize the current state of research on developmental plasticity, discussing both ultimate and proximate mechanisms. First, we evaluate the utility of adaptive models proposed to explain developmental responses to early-life adversity, particularly for long-lived mammals such as humans. In doing so, we highlight how parent-offspring conflict complicates our understanding of whether mothers or offspring benefit from these responses. Second, we discuss the role of glucocorticoids and a second physiological system-the gut microbiome-that has emerged as an additional, clinically relevant mechanism by which early-life adversity can influence development. Finally, we suggest ways in which nonhuman primates can serve as models to study the effects of early-life adversity, both from evolutionary and clinical perspectives.
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Affiliation(s)
- Amy Lu
- Department of Anthropology, Stony Brook University, Stony Brook, New York
| | - Lauren Petrullo
- Interdepartmental Doctoral Program in Anthropological Sciences, Stony Brook University, Stony Brook, New York
| | - Sofia Carrera
- Department of Psychology, University of Michigan, Ann Arbor, Michigan
| | - Jacob Feder
- Interdepartmental Doctoral Program in Anthropological Sciences, Stony Brook University, Stony Brook, New York
| | - India Schneider-Crease
- Department of Anthropology, Stony Brook University, Stony Brook, New York.,Department of Psychology, University of Washington, Seattle, Washington
| | - Noah Snyder-Mackler
- Department of Psychology, University of Washington, Seattle, Washington.,Center for Studies in Demography and Ecology, University of Washington, Seattle, Washington
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