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Global assessment of effective population sizes: Consistent taxonomic differences in meeting the 50/500 rule

Author(s): Clarke SH; Lawrence ER; Matte JM; Gallagher BK; Salisbury SJ; Michaelides SN; Koumrouyan R; Ruzzante DE; Grant JWA; Fraser DJ; ...

Effective population size (Ne) is a particularly useful metric for conservation as it affects genetic drift, inbreeding and adaptive potential within populations. Current guidelines recommend a min ...

Article GUID: 38613250


Macrogenetics reveals multifaceted influences of environmental variation on vertebrate population genetic diversity across the Americas

Author(s): Lawrence ER; Pedersen EJ; Fraser DJ;

The broad scale distribution of population-specific genetic diversity (GDP ) across taxa remains understudied relative to species diversity gradients, despite its relevance for systematic conservation planning. We used nuclear DNA data collected from 3678 v ...

Article GUID: 37365672


Demographic resilience of brook trout populations subjected to experimental size-selective harvesting

Author(s): Clarke SH; McCracken GR; Humphries S; Ruzzante DE; Grant JWA; Fraser DJ;

Sustainable management of exploited populations benefits from integrating demographic and genetic considerations into assessments, as both play a role in determining harvest yields and population persistence. This is especially important in populations subj ...

Article GUID: 36426123


Potential epigenetic mechanisms in psychotherapy: a pilot study on DNA methylation and mentalization change in borderline personality disorder

Author(s): Quevedo Y; Booij L; Herrera L; Hernández C; Jiménez JP;

Genetic and early environmental factors are interwoven in the etiology of Borderline Personality Disorder (BPD). Epigenetic mechanisms offer the molecular machinery to adapt to environmental conditions. There are gaps in the knowledge about how epigenetic m ...

Article GUID: 36171872


DNA methylation as a mediator in the association between prenatal maternal stress and child mental health outcomes: Current state of knowledge

Author(s): Azar N; Booij L;

Background: Prenatal maternal stress is increasingly recognized as a risk factor for offspring mental health challenges. DNA methylation may be a mechanism, but few studies directly tested mediation. These few integrative studies are reviewed along with stu ...

Article GUID: 36113690


Population demography maintains biogeographic boundaries

Author(s): Schmidt C; Muñoz G; Lancaster LT; Lessard JP; Marske KA; Marshall KE; Garroway CJ;

Global biodiversity is organised into biogeographic regions that comprise distinct biotas. The contemporary factors maintaining differences in species composition between regions are poorly understood. Given evidence that populations with sufficient genetic ...

Article GUID: 35753949


DNA methylation in people with Anorexia Nervosa: Epigenome-wide patterns in actively ill, long-term remitted, and healthy-eater women

Author(s): Steiger H; Booij L; Thaler L; St-Hilaire A; Israël M; Casey KF; Oliverio S; Crescenzi O; Lee V; Turecki G; Joober R; Szyf M; Breton É; ...

bjectives: Recent studies have reported altered methylation levels at disorder-relevant DNA sites in people who are ill with Anorexia Nervosa (AN) compared to findings in people with no eating diso ...

Article GUID: 35703085


Dissecting cell fate dynamics in pediatric glioblastoma through the lens of complex systems and cellular cybernetics

Author(s): Abicumaran Uthamacumaran

Cancers are complex dynamic ecosystems. Reductionist approaches to science are inadequate in characterizing their self-organized patterns and collective emergent behaviors. Since current approaches to single-cell analysis in cancer systems rely primarily on ...

Article GUID: 35678918


Immunoinflammatory processes: Overlapping mechanisms between obesity and eating disorders?

Author(s): Breton E; Fotso Soh J; Booij L;

Obesity and eating disorders are conditions that involve eating behaviors and are sometimes comorbid. Current evidence supports alterations in immunoinflammatory processes in both obesity and eating disorders. A plausible hypothesis is that immunoinflammato ...

Article GUID: 35594735


Corticostriatal suppression of appetitive Pavlovian conditioned responding

Author(s): Villaruel FR; Martins M; Chaudhri N;

The capacity to suppress learned responses is essential for animals to adapt in dynamic environments. Extinction is a process by which animals learn to suppress conditioned responding when an expected outcome is omitted. The infralimbic cortex (IL) to nucle ...

Article GUID: 34880119


The trade-off between pulse duration and power in optical excitation of midbrain dopamine neurons approximates Bloch's law

Author(s): Pallikaras V; Carter F; Velazquez-Martinez DN; Arvanitogiannis A; Shizgal P;

Optogenetic experiments reveal functional roles of specific neurons. However, functional inferences have been limited by widespread adoption of a restricted set of stimulation parameters. Broader exploration of the parameter space can deepen insight into th ...

Article GUID: 34864162


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