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19 results for “infidelity”
Data from: Age-dependent changes in infidelity in Seychelles warblers
<p>Extra-pair paternity (EPP) is often linked to male age in socially monogamous vertebrates, i.e. older males are more likely to gain EPP and less likely to be cuckolded. However, whether this occurs because males improve at gaining paternity as they grow older, or because 'higher quality' males that live longer are preferred by females, has rarely been tested, despite being central to our understanding of the evolutionary drivers of female infidelity. Moreover, how extra-pair reproduction changes with age within females has received even less attention. Using 18 years of longitudinal data from an individually-marked population of Seychelles warblers (Acrocephalus sechellensis), we found considerable within-individual changes in extra-pair reproduction in both sexes, i.e. an early-life increase and a late-life decline. Furthermore, males were cuckolded less as they aged. Our results indicate that in this species age-related patterns of extra-pair reproduction are determined by within-individual changes with age, rather than differences among individuals in longevity. These results challenge the hypothesis – based on longevity reflecting intrinsic quality – that the association between male age and EPP is due to females seeking high quality paternal genes for offspring. Importantly, EPP accounted for up to half of male reproductive success, emphasising the male fitness benefits of this reproductive strategy. Finally, the occurrence of post-peak declines in extra-pair reproduction provides explicit evidence of senescence in infidelity in both males and females.</p>
Data from: Age-dependent changes in infidelity in Seychelles warblers
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Data from: Female Infidelity Is Constrained by El Niño Conditions in a Long-lived Bird
Explaining the remarkable variation in socially monogamous females' extra-pair (EP) behaviour revealed by decades of molecular paternity testing remains an important challenge. One hypothesis proposes that restrictive environmental conditions (e.g. extreme weather, food scarcity) limit females' resources and increase EP behaviour costs, forcing females to reduce EP reproductive behaviours. For the first time, we tested this hypothesis by directly quantifying within-pair and EP behaviours rather than inferring behaviour from paternity. We evaluated whether warmer sea surface temperatures depress total pre-laying reproductive behaviours, and particularly EP behaviours, in socially paired female blue-footed boobies (Sula nebouxii). Warm waters in the Eastern Pacific are associated with El Niño Southern Oscillation and lead to decreased food availability and reproductive success in this and other marine predators. With warmer waters, females decreased their neighbourhood attendance, total copulation frequency, and laying probability, suggesting that they contend with restricted resources by prioritizing self-maintenance and committing less to reproduction, sometimes abandoning the attempt altogether. Females were also less likely to participate in EP courtship and copulations, but when they did, rates of these behaviours were unaffected by water temperature. Females' neighbourhood attendance, total copulation frequency, and EP courtship probability responded to temperature differences at the between-season scale, and neighbourhood attendance and EP copulation probability were affected by within-season fluctuations. Path analysis indicated that decreased EP participation was not attributable to reduced female time available for EP activities. Together, our results suggest that immediate time and energy constraints were not the main factors limiting females' infidelity. Our study shows that El Niño conditions depress female boobies' EP participation and total reproductive activity. In addition to increasing general self-maintenance and reproductive costs, warm waters may increase costs specific to EP behaviours including divorce, reduced male parental care or pathogen exposure. Our results suggest that female boobies strategically refrained from EP behaviours to avoid these or other longer term costs, rather than being compelled by immediate constraints. This study demonstrates that current environmental conditions affect females' mating decisions, contributing to variation in EP behaviours, even in a long-lived, iteroparous species that can buffer against temporary adversity.
Data from: Inbreeding, inbreeding depression and infidelity in a cooperatively-breeding bird
Inbreeding depression plays a major role in shaping mating systems: in particular, inbreeding avoidance is often proposed as a mechanism explaining extra-pair reproduction in socially-monogamous species. This suggestion relies on assumptions which are rarely comprehensively tested: that inbreeding depression is present, that higher kinship between social partners increases infidelity, and that infidelity reduces the frequency of inbreeding. Here, we test these assumptions using 26 years of data for a cooperatively-breeding, socially-monogamous bird with high female infidelity, the superb fairy-wren (Malurus cyaneus). Although inbred individuals were rare (~6% of offspring), we found evidence of inbreeding depression in nestling mass (but not in fledgling survival). Mother-son social pairings resulted in 100% infidelity, but kinship between a social pair did not otherwise predict female infidelity. Nevertheless, extra-pair offspring were less likely to be inbred than within-pair offspring. Finally, the social environment (the number of helpers in a group) did not affect offspring inbreeding coefficients or inbreeding depression levels. In conclusion, despite some agreement with the assumptions that are necessary for inbreeding avoidance to drive infidelity, the apparent scarcity of inbreeding events and the observed levels of inbreeding depression seem insufficient to explain the ubiquitous infidelity in this system, beyond the mother-son mating avoidance.
Data from: Inbreeding, inbreeding depression and infidelity in a cooperatively-breeding bird
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Data from: Costly infidelity: low lifetime fitness of extra-pair offspring in a passerine bird
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Data from: Female Infidelity Is Constrained by El Niño Conditions in a Long-lived Bird
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Data from: Socio-ecological conditions and female infidelity in the Seychelles warbler
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Reduced Abd-B Hox function during kidney development results in lineage infidelity
GEO Series GSE109404. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
An androgen receptor switch underlies lineage infidelity to drive neuroendocrine prostate cancer
GEO Series GSE138460. Homo sapiens; Mus musculus. 41 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing.
Wounds That Never Heal? Stem Cell Lineage Infidelity at the Crossroads of Wound-Repair and Cancer
GEO Series GSE89928. Mus musculus. 25 samples. Type: Genome binding/occupancy profiling by high throughput sequencing; Expression profiling by high throughput sequencing.
Chronic alcohol metabolism results in DNA repair infidelity and cell-cycle-induced senescence in neurons
GEO Series GSE202183. Mus musculus. 12 samples. Type: Expression profiling by high throughput sequencing.
Single-cell analysis reveals innate lymphoid cell lineage infidelity in atopic dermatitis
GEO Series GSE180885. Homo sapiens. 7 samples. Type: Expression profiling by high throughput sequencing.
Interrelationships between replication infidelity and genome composition
GEO Series GSE56939. Saccharomyces cerevisiae. 72 samples. Type: Genome binding/occupancy profiling by high throughput sequencing; Other.
Acute Kidney Injury Transcriptional Profiles: Single Cell RNA Sequencing reveals Injury induced Renal Developmental program reactivation and Lineage Infidelity in adult kidney
GEO Series GSE139506. Mus musculus. 10 samples. Type: Expression profiling by high throughput sequencing.
Oxytocin Effects on the Tolerance of Infidelity
ClinicalTrials.gov study NCT02733237. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Genotoxicity induces epithelial hyperplasia and lineage infidelity via fibroblast IL-1β
GEO Series GSE139272. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
Mammalian mitochondrial translation infidelity leads to oxidative stress-induced cell cycle arrest and cardiomyopathy
GEO Series GSE232410. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
Dark, dissatisfied and disengaged: propensity towards marital infidelity, the Dark Triad, marital satisfaction and the mediating role of moral disengagement
<p><strong>Database of the study Dark, dissatisfied and disengaged: propensity towards marital infidelity, the Dark Triad, marital satisfaction and the mediating role of moral disengagement</strong></p>
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Allen Brain Atlas
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