Review
Biology
Darren P. Croft, Michael N. Weiss, Mia L. K. Nielsen, Charli Grimes, Michael A. Cant, Samuel Ellis, Daniel W. Franks, Rufus A. Johnstone
Summary: This article discusses the importance of kinship dynamics and their impact on social behavior and life history evolution, highlighting new insights brought by the kinship dynamics approach in behavior and life history evolution, and exploring new research directions that analyzing kinship dynamics could provide.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Article
Psychology, Multidisciplinary
Ashraf Atta M. S. Salem, Mahfouz Abdelsattar, Mosaad Abu Al-Diyar, Amthal H. H. Al-Hwailah, Esraa Derar, Nadiah A. H. Al-Hamdan, Shouket Ahmad Tilwani
Summary: This study investigates the relationship between cooperation and altruistic behavior among gifted adolescents in three universities in Egypt and Kuwait. It found a significant positive relationship between altruism and cooperation among these adolescents, as well as differences between genders and seniority levels in both altruism and cooperation.
FRONTIERS IN PSYCHOLOGY
(2022)
Article
Ecology
Patrick Kennedy, Andrew N. Radford
Summary: The evolution of altruism often involves conflicts of interest between recipients and actors. One possibility is that a recipient may limit its own options in order to coerce others into providing more care or help. This type of coercion, such as blackmail, can potentially drive reproductive division of labor among kin.
AMERICAN NATURALIST
(2021)
Article
Biology
Qiao-Qiao He, Xiu-Deng Zheng, Ruth Mace, Yi Tao, Ting Ji
Summary: This study investigates the evolutionary dynamics of cooperation in a finite kin population, considering both kin selection and kin competition. The results show the conditions under which Hamilton's rule still applies in the presence of kin competition, as well as the biological mechanism driving the evolution of cooperation in a limited kin population.
JOURNAL OF THEORETICAL BIOLOGY
(2021)
Article
Computer Science, Interdisciplinary Applications
Silvana Stefani, Marcel Ausloos, Concepcion Gonzalez-Concepcion, Adeyemi Sonubi, Ma Candelaria Gil-Farina, Celina Pestano-Gabino, Enrico Moretto
Summary: This paper proposed a new dynamic mathematical model describing leadership emergence or disappearance in agent-based networks. Through a generalized model, the stability solutions of a triad of agents in a market were investigated, showing the crucial importance of the leader's survival for system stability.
MATHEMATICS AND COMPUTERS IN SIMULATION
(2021)
Article
Multidisciplinary Sciences
Trey J. Scott
Summary: By comparing cooperative and private loci in Pseudomonas aeruginosa, it was found that cooperative loci tend to be more pleiotropic than private loci in terms of protein-protein interactions, gene ontology terms, and gene expression specificity. These findings suggest that pleiotropy may be a general mechanism to limit cheating and that cooperation may shape pleiotropy in the genome.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Biology
Kalyani Z. Twyman, Andy Gardner
Summary: This article investigates how kin selection drives the evolution of dormancy and how dormancy modulates the evolution of altruism. The study finds that kin selection favors dormancy as a means of reducing competition between relatives, and when individuals can adjust their dormancy behavior based on local density, there is more dormancy in high-density neighborhoods and a corresponding 'constant non-dormant principle'.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2023)
Article
Multidisciplinary Sciences
D. B. Krupp, Wes Maciejewski
Summary: Research shows that extraordinary self-sacrifice can evolve in structured populations when individuals have close kin as neighbors, and extraordinary spite can evolve when individuals have non-kin as neighbors.
SCIENTIFIC REPORTS
(2022)
Article
Ecology
Constantinos Xenophontos, W. Stanley Harpole, Kirsten Kuesel, Adam Thomas Clark
Summary: Cheaters in microbial communities can stabilize the community and potentially be a precursor to cooperation rather than extinction.
FRONTIERS IN ECOLOGY AND EVOLUTION
(2022)
Review
Biology
Evgeniy R. Galimov, David Gems
Summary: Research suggests that in certain populations, such as clonal, viscous ones, programmed organismal death may promote fitness through social benefits. Adaptive death may also exist in certain semelparous fish, and in these cases, the death is more often caused by kin selection rather than self-destructive mechanisms.
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Article
Psychology, Biological
Francisco R. Gomez Jimenez, Paul L. Vasey
Summary: Male androphilia is an evolutionary puzzle, but the kin selection hypothesis suggests that genes for male androphilia can be maintained if the reproduction of kin is enhanced. Research among the Istmo Zapotec in Mexico found that transgender and cisgender male androphiles exhibited more altruistic tendencies towards kin and received more childcare support from their muxe siblings, providing support for the kin selection hypothesis in explaining the evolutionary paradox of male androphilia.
EVOLUTION AND HUMAN BEHAVIOR
(2022)
Article
Biology
Jeff Smith, R. Fredrik Inglis
Summary: Kin selection and multilevel selection theory are often used to interpret experiments about the evolution of cooperation and social behavior among microbes, but they are mostly used as conceptual heuristics. This study evaluates how these theories perform as quantitative analysis tools, finding that the classical fitness models of both theories are often unsuitable for microbial systems due to strong selection and non-additive effects. Analyzing both individual and group fitness outcomes can help clarify the biology of selection and reveal untapped potential for understanding social evolution in all branches of life.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Article
Multidisciplinary Sciences
Jun Abe, Ryosuke Iritani, Koji Tsuchida, Yoshitaka Kamimura, Stuart A. West
Summary: Melittobia australica females exhibit a sophisticated sex ratio behavior, producing consistently female-biased offspring sex ratios when they have not dispersed and adjusting their sex ratio based on the number of females laying eggs when they have dispersed. This indicates that dispersal status serves as an indirect cue for relatedness and influences their sex ratio adjustments.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Evolutionary Biology
Ryosuke Iritani, Stuart A. West, Jun Abe
Summary: Hamilton's theory of local mate competition explains female-biased sex ratios in various organisms, but in some wasp species, the bias is more extreme than predicted. Research shows that cooperation between related females can result in even more female-biased sex ratios, especially when cooperation occurs between mothers and offspring before dispersal. This suggests that additional factors, such as cooperative interactions, play a role in determining sex ratio biases in certain species.
Article
Zoology
Zhibing Li, Xinwei Da, Xin Lu
Summary: Altruism is difficult to explain evolutionarily and requires quantifying the benefits and costs to altruists. Hamilton's theory of kin selection suggests that altruism can persist if the costs are offset by indirect fitness benefits from helping relatives. However, helping non-relatives is also common and in such cases, the costs must be compensated by direct benefits.
Article
Ecology
Jeff Smith, Joan E. Strassmann, David C. Queller
Article
Evolutionary Biology
Jeff Smith, David C. Queller, Joan E. Strassmann
BMC EVOLUTIONARY BIOLOGY
(2014)
Article
Microbiology
Susanne DiSalvo, Debra A. Brock, Jeff Smith, David C. Queller, Joan E. Strassmann
Article
Ecology
Jeff Smith
Editorial Material
Ecology
Jeff Smith
Article
Ecology
Jeff Smith
Article
Multidisciplinary Sciences
Jeff Smith, J. David Van Dyken, Peter C. Zee
Article
Biology
Jeff Smith, R. Fredrik Inglis
Summary: Kin selection and multilevel selection theory are often used to interpret experiments about the evolution of cooperation and social behavior among microbes, but they are mostly used as conceptual heuristics. This study evaluates how these theories perform as quantitative analysis tools, finding that the classical fitness models of both theories are often unsuitable for microbial systems due to strong selection and non-additive effects. Analyzing both individual and group fitness outcomes can help clarify the biology of selection and reveal untapped potential for understanding social evolution in all branches of life.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Article
Ecology
Jeff Smith
AMERICAN NATURALIST
(2007)
Article
Biology
J Smith
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2001)
Article
Biochemistry & Molecular Biology
JS Smith, EP Nikonowicz