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Inclusive fitness maximization: an axiomatic approach [PDF]

open access: yes, 2013
Kin selection theorists argue that evolution in social contexts will lead organisms to behave as if maximizing their inclusive, as opposed to personal, fitness. The inclusive fitness concept allows biologists to treat organisms as akin to rational agents
WAYMARK, John A.   +2 more
core   +1 more source

Self-sacrifice in 'desperado' contests between relatives

open access: yesFrontiers in Zoology, 2010
Intra-specific competition occurs in all animal species and can lead to escalated conflict. Overt fighting entails the risk of injury or death, and is usually avoided through the use of conventions or pre-fight assessments. However, overt fighting can be
Monnin Thibaud, Cronin Adam L
doaj   +1 more source

Formalizing Darwinism and inclusive fitness theory [PDF]

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2009
Inclusive fitness maximization is a basic building block for biological contributions to any theory of the evolution of society. There is a view in mathematical population genetics that nothing is caused to be maximized in the process of natural selection, but this is explained as arising from a misunderstanding about the meaning ...
openaire   +3 more sources

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

open access: yesFEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri   +5 more
wiley   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

Inversión parental: una lectura desde la psicología evolucionista

open access: yesRevista Latinoamericana en Ciencias Sociales, Niñez y Juventud, 2011
The aim of this paper is to present some contributions of evolutionary theory to the study of childrearing,for which it took like central axis the theory of parental investment and its role in the care, protection and guidanceof child development.
Eduardo Aguirre-Dávila
doaj  

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

open access: yesFEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav   +2 more
wiley   +1 more source

Inclusive Fitness does not Impact the Survival Processing Effect

open access: yesAnimal Behavior and Cognition, 2019
Natural selection acts upon learning and memory processes, much as it does with other physical and behavioral characteristics. For example, numerous lines of inquiry using nonhuman species hypothesize adaptive specializations of Pavlovian conditioned ...
Mark A. Krause   +5 more
doaj   +1 more source

Inclusive Fitness 101: Math Not Required [PDF]

open access: yesTrends in Ecology & Evolution, 2016
Inclusive fitness theory delivers a clever solution to the problem of altruism, especially the case of sterile worker castes in social insects. The idea behind the inclusive fitness theory is straight forward and contemporary: if you can somehow outsource reproduction, then you may reduce (or stop) personal reproduction.
openaire   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

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