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https://www.readbyqxmd.com/read/29330088/the-flight-of-the-locus-of-selection-some-intricate-relationships-between-evolutionary-elements
#1
REVIEW
April M Becker
Selection has enriched our understanding of the world since it was first applied to the evolution of species. Selection stands as an alternative to essentialist thinking, as a generalized and multiply applicable concept, and as a causal explanation for current forms within biology and behavior. Attempts to describe selection processes in a generalizable way have provided clarity about their minimal elements, such as replicators and interactors. This paper discusses the interconnectedness among different levels of selection using evidence garnered from evolutionary biology, development, epigenetics, neuroscience, and behavior analysis...
January 9, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29321890/nature-versus-nurture-consequences-of-short-captivity-in-early-stages
#2
Jose L Horreo, America G Valiente, Alba Ardura, Aida Blanco, Claudia Garcia-Gonzalez, Eva Garcia-Vazquez
Biological changes occurring as a consequence of domestication and/or captivity are not still deeply known. In Atlantic salmon (Salmo salar), endangered (Southern Europe) populations are enhanced by supportive breeding, which involves only 6 months of captive rearing following artificial spawning of wild-collected adults. In this work, we assess whether several fitness-correlated life-history traits (migratory behavior, straying rate, age at maturity, and growth) are affected by early exposure to the captive environment within a generation, before reproduction thus before genetic selection...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29321524/phenotypic-divergence-despite-low-genetic-differentiation-in-house-sparrow-populations
#3
Shachar Ben Cohen, Roi Dor
Studying patterns of phenotypic variation among populations can shed light on the drivers of evolutionary processes. The house sparrow (Passer domesticus) is one of the world's most ubiquitous bird species, as well as a successful invader. We investigated phenotypic variation in house sparrow populations across a climatic gradient and in relation to a possible scenario of an invasion. We measured variation in morphological, coloration, and behavioral traits (exploratory behavior and neophobia) and compared it to the neutral genetic variation...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29314231/anorexia-nervosa-and-uric-acid-beyond-gout-an-idea-worth-researching
#4
Mladena Simeunovic Ostojic, Joyce Maas
Uric acid is best known for its role in gout-the most prevalent inflammatory arthritis in humans-that is also described as an unusual complication of anorexia nervosa (AN). However, beyond gout, uric acid could also be involved in the pathophysiology and psychopathology of AN, as it has many biological functions serving as a pro- and antioxidant, neuroprotector, neurostimulant, and activator of the immune response. Further, recent research suggests that uric acid could be a biomarker of mood dysfunction, personality traits, and behavioral patterns...
January 4, 2018: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29304159/invasion-strategies-in-round-goby-neogobius-melanostomus-is-bigger-really-better
#5
Joerg Brandner, Alexander F Cerwenka, Ulrich K Schliewen, Juergen Geist
Few studies have systematically investigated mid- or long-term temporal changes of biological characteristics in invasive alien species considering the different phases of an invasion. We studied the invasion performance of one of the most invasive species worldwide, the round goby Neogobius melanostomus, from total absence over first occurrence until establishment from 2010 to 2015 in the upper Danube River. After an upstream movement of the invasion front of about 30 river km within four years, the pattern that round goby pioneering populations significantly differ from longer established ones has been confirmed: Pioneering populations at the invasion front comprised more females than males, and adult specimens with a larger body size compared to those at longer inhabited areas...
2018: PloS One
https://www.readbyqxmd.com/read/29288628/mating-behavior-of-the-west-nile-virus-vector-culex-pipiens-role-of-behavioral-asymmetries
#6
Giovanni Benelli
Culex pipiens is a vector of West Nile, Rift Valley fever, Japanese encephalitis virus and Usutu viruses. In agreement with the criteria of Integrated Vector Management, several research efforts have been devoted to develop behavior-based control tools to fight mosquito vectors. However, our knowledge of mosquito mating biology and sexual communication is still patchy. Despite the high relevance of C. pipiens as a vector of medical and veterinary importance, no studies on its mating behavior and the factors routing mating success have been conducted...
December 27, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29279379/two-types-of-aggression-in-human-evolution
#7
Richard W Wrangham
Two major types of aggression, proactive and reactive, are associated with contrasting expression, eliciting factors, neural pathways, development, and function. The distinction is useful for understanding the nature and evolution of human aggression. Compared with many primates, humans have a high propensity for proactive aggression, a trait shared with chimpanzees but not bonobos. By contrast, humans have a low propensity for reactive aggression compared with chimpanzees, and in this respect humans are more bonobo-like...
December 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29244562/learning-to-cooperate-the-evolution-of-social-rewards-in-repeated-interactions
#8
Slimane Dridi, Erol Akçay
Understanding the behavioral and psychological mechanisms underlying social behaviors is one of the major goals of social evolutionary theory. In particular, a persistent question about animal cooperation is to what extent it is supported by other-regarding preferences-the motivation to increase the welfare of others. In many situations, animals adjust their behaviors through learning by responding to the rewards they experience as a consequence of their actions. Therefore, we may ask whether learning in social situations can be driven by evolved other-regarding rewards...
January 2018: American Naturalist
https://www.readbyqxmd.com/read/29235933/faster-ticking-rate-of-the-epigenetic-clock-is-associated-with-faster-pubertal-development-in-girls
#9
Alexandra M Binder, Camila Corvalan, Verónica Mericq, Ana Pereira, José Luis Santos, Steve Horvath, John Shepherd, Karin B Michels
Epigenetic age is an indicator of biological aging, capturing the impact of environmental and behavioral influences across time on cellular function. Deviance between epigenetic age and chronological age (AgeAccel) is a predictor of health. Pubertal timing has similarly been associated with cancer risk and mortality rate among females. We examined the association between AgeAccel and pubertal timing and adolescent breast composition in the longitudinal Growth and Obesity Cohort Study. AgeAccel was estimated in whole blood using the Horvath method at breast Tanner 2 (B2) and 4 (B4)...
December 13, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29228351/defensive-behaviors-of-the-new-mealybug-citrus-pest-delottococcus-aberiae-hemiptera-pseudococcidae-against-three-generalist-parasitoids
#10
Alejandro Tena, Eliana Nieves, Julieta Herrero, Alberto Urbaneja
Delottococcus aberiae De Lotto (Hemiptera: Pseudococcidae) is an invasive mealybug that has become a citrus pest in Europe. This mealybug species causes serious damage because it deforms the fruits. Here, we studied the defensive behavior of D. aberiae when it was attacked by three parasitoid species: Acerophagus angustifrons (Gahan), Anagyrus sp. near pseudoccoci (Girault), and Leptomastix algirica Trjapitzin (Hymenoptera: Encyrtidae). Anagyrus sp. near pseudoccoci and L. algirica detected and accepted nymphs and adult females of D...
December 8, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29213489/in-search-of-the-moral-psychological-and-neuroevolutionary-basis-of-political-partisanship
#11
REVIEW
Vitor Geraldi Haase, Isabella Starling-Alves
In many countries, a radical political divide brings several socially relevant decisions to a standstill. Could cognitive, affective and social (CAS) neuroscience help better understand these questions? The present article reviews the moral-psychological and neuroevolutionary basis of the political partisanship divide. A non-systematic literature review and a conceptual analysis were conducted. Three main points are identified and discussed: 1) Political partisan behavior rests upon deep moral emotions. It is automatically processed and impervious to contradiction...
January 2017: Dementia & Neuropsychologia
https://www.readbyqxmd.com/read/29199077/evolution-and-genetics-of-precocious-burrowing-behavior-in-peromyscus-mice
#12
Hillery C Metz, Nicole L Bedford, Yangshu Linda Pan, Hopi E Hoekstra
A central challenge in biology is to understand how innate behaviors evolve between closely related species. One way to elucidate how differences arise is to compare the development of behavior in species with distinct adult traits [1]. Here, we report that Peromyscus polionotus is strikingly precocious with regard to burrowing behavior, but not other behaviors, compared to its sister species P. maniculatus. In P. polionotus, burrows were excavated as early as 17 days of age, whereas P. maniculatus did not build burrows until 10 days later...
November 23, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/29198284/facilitating-autism-research
#13
Deborah Fein, Molly Helt
Early autism research focused on behavior and cognition. In recent decades, the pace of research has accelerated, and advances in imaging and genetics have allowed the accumulation of biological data. Nevertheless, a coherent picture of the syndrome at either phenotypic or biological level has not emerged. We see two fundamental obstacles to progress in basic understanding of autism. First, the two defining features (impairment in social interactions and communication, and restricted, repetitive behaviors and interests) are historically seen as integrally related...
October 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29197198/cardiovascular-disease-risk-factors-in-patients-with-posttraumatic-stress-disorder-ptsd-a-narrative-review
#14
Marina Šagud, Nenad Jakšić, Bjanka Vuksan-Ćusa, Mladen Lončar, Ivana Lončar, Alma Mihaljević Peleš, Davor Miličić, Miro Jakovljević
Posttraumatic stress disorder (PTSD) is a chronic condition related to severe stress and trauma. There is a mounting evidence about increased prevalence and mortality from cardiovascular diseases (CVD) in patients with PTSD. This review summarizes the current data on possible relations between PTSD and increased risks of CVD, including biological, psychological and behavioral factors. Biological factors refer to increased prevalence of metabolic syndrome (MetS), hypertension, elevation of pro-inflammatory cytokines and homocysteine levels...
December 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/29178831/software-for-rapid-time-dependent-chip-sequencing-analysis-tdca
#15
Mike Myschyshyn, Marco Farren-Dai, Tien-Jui Chuang, David Vocadlo
BACKGROUND: Chromatin immunoprecipitation followed by DNA sequencing (ChIP-seq) and associated methods are widely used to define the genome wide distribution of chromatin associated proteins, post-translational epigenetic marks, and modifications found on DNA bases. An area of emerging interest is to study time dependent changes in the distribution of such proteins and marks by using serial ChIP-seq experiments performed in a time resolved manner. Despite such time resolved studies becoming increasingly common, software to facilitate analysis of such data in a robust automated manner is limited...
November 25, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29162172/cumulative-prenatal-exposure-to-adversity-reveals-associations-with-a-broad-range-of-neurodevelopmental-outcomes-that-are-moderated-by-a-novel-biologically-informed-polygenetic-score-based-on-the-serotonin-transporter-solute-carrier-family-c6-member-4-slc6a4
#16
Patrícia P Silveira, Irina Pokhvisneva, Carine Parent, Shirong Cai, Anu Sathyan Sathyapalan Rema, Birit F P Broekman, Anne Rifkin-Graboi, Michael Pluess, Kieran J O'Donnell, Michael J Meaney
While many studies focus on the association between early life adversity and the later risk for psychopathology, few simultaneously explore diverse forms of environmental adversity. Moreover, those studies that examined the cumulative impact of early life adversity focus uniquely on postnatal influences. The objective of this study was to focus on the fetal period of development to construct and validate a cumulative prenatal adversity score in relation to a wide range of neurodevelopmental outcomes. We also examined the interaction of this adversity score with a biologically informed genetic score based on the serotonin transporter gene...
December 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/29150295/paternal-transmission-of-early-life-traumatization-through-epigenetics-do-fathers-play-a-role
#17
Enrique d'Harcourt Rowold, Lara Schulze, Sandra Van der Auwera, Hans Jörgen Grabe
Traumatizing events are known to have consequences for the victim which may lead to the development of several well-known mental disorders. Recent research has shown that traumatic events may affect not only the victims' lives, but also that of their progeny. It is generally accepted that this transmission of trauma occurs through parental behavior; however as has been recently discovered, the effects of trauma may also be inherited due to induced alterations in gene expression. These changes, so called epigenetic modifications, illuminate the interaction between genes and the environment...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29147618/programmed-cell-death-ligands-expression-in-phaeochromocytomas-and-paragangliomas-relationship-with-the-hypoxic-response-immune-evasion-and-malignant-behavior
#18
David J Pinato, James R Black, Sebastian Trousil, Roberto E Dina, Pritesh Trivedi, Francesco A Mauri, Rohini Sharma
The hypoxic response underlies the pathogenesis and malignant behavior of PCC/PGL. Regulation of PD-1 receptor-ligand signaling, a therapeutically actionable driver of the anti-tumor immune response, is a hypoxic-driven trait across malignancies. We evaluated the prognostic role of PD ligands in association with biomarkers of hypoxia and angiogenesis in patients with PCC/PGL. Tissue microarrays sections including consecutive cases diagnosed between 1983-2011 were stained for PD-L1 and 2, hypoxia inducible factor 1a (Hif-1a), Carbonic Anhydrase IX (CaIX), Vascular Endothelial Growth Factor-A (VEGF-A)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29142334/approaches-to-macroevolution-2-sorting-of-variation-some-overarching-issues-and-general-conclusions
#19
David Jablonski
Approaches to macroevolution require integration of its two fundamental components, within a hierarchical framework. Following a companion paper on the origin of variation, I here discuss sorting within an evolutionary hierarchy. Species sorting-sometimes termed species selection in the broad sense, meaning differential origination and extinction owing to intrinsic biological properties-can be split into strict-sense species selection, in which rate differentials are governed by emergent, species-level traits such as geographic range size, and effect macroevolution, in which rates are governed by organism-level traits such as body size; both processes can create hitchhiking effects, indirectly causing the proliferation or decline of other traits...
2017: Evolutionary Biology
https://www.readbyqxmd.com/read/29130219/-colorectal-cancer-heterogeneity-genotype-phenotype-and-clinical-manifestation
#20
Sanjun Cai, Junjie Peng, Fangqi Liu
Colorectal cancer is the third high-incidence of malignant tumors in the world, and also a kind of tumor with good biological behavior and good efficacy. Colorectal cancer heterogeneity is a very important trait of its biological behavior, which can be reflected in many different aspects, including tumor type, pathogenesis, molecular phenotyping and time-space heterogeneity. Different pathogenesis produces different tumor phenotypes, which are generated in the process of natural evolution and intervention. Various phenotypes show the difference among different individuals of colorectal cancer, in terms of clinical characteristics, treatment response and prognosis...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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