List of works - Jaroslav Flegr

A Possible Role of Intracellular Isoelectric Focusing in the Evolution of Eukaryotic Cells and Multicellular Organisms

A Virtue Made of Necessity: Is the Increasing Hierarchical Complexity of Sexual Clades an Inevitable Outcome of Their Declining (Macro)evolutionary Potential?

A comprehensive allometric analysis of 2nd digit length to 4th digit length in humans.

scientific article published in June 2017

A virtue made of necessity: Is the increasing hierarchical complexity of sexual clades an inevitable outcome of their declining (macro)evolutionary potential?

An elevated blood glucose level and increased incidence of gestational diabetes mellitus in pregnant women with latent toxoplasmosis

scientific article published on 21 September 2015

Banning paraphylies and executing Linnaean taxonomy is discordant and reduces the evolutionary and semantic information content of biological nomenclature

Brief Communication: Latent toxoplasmosis and salivary testosterone concentration--important confounding factors in second to fourth digit ratio studies

scientific article

Cat scratches, not bites, are associated with unipolar depression--cross-sectional study

scientific article

Cattle pathogen tritrichomonas foetus (Riedmüller, 1928) and pig commensal Tritrichomonas suis (Gruby & Delafond, 1843) belong to the same species

scientific article

Changes in the personality profile of young women with latent toxoplasmosis

scientific article

Clonal turnover versus clonal decay: a null model for observed patterns of asexual longevity, diversity and distribution

scientific article

Contrasting effect of prepulse signals on performance of Toxoplasma-infected and Toxoplasma-free subjects in an acoustic reaction times test

scientific article

Critical analysis of the topology and rooting of the parabasalian 16S rRNA tree

scientific article published in September 2004

Cryptic species within the Tetratrichomonas gallinarum species complex revealed by molecular polymorphism

scientific article published on 16 December 2004

Decreased level of novelty seeking in blood donors infected with Toxoplasma

scientific article published in October 2005

Decreased level of psychobiological factor novelty seeking and lower intelligence in men latently infected with the protozoan parasite Toxoplasma gondii Dopamine, a missing link between schizophrenia and toxoplasmosis?

scientific article

Depressiveness and Neuroticism in Bartonella Seropositive and Seronegative Subjects - Preregistered Case-Controls Study

article published in 2018

Difference of neuro- and immunomodulatory steroids and selected hormone and lipid concentrations between Toxoplasma-free and Toxoplasma-infected but not CMV-free and CMV-infected schizophrenia patients

scientific article published on January 2014

Differences in cognitive functions between cytomegalovirus-infected and cytomegalovirus-free university students: a case control study.

scientific article

Differences in cognitive functions between cytomegalovirus-infected and cytomegalovirus-free university students: a case-control study

Differences in onset of disease and severity of psychopathology between toxoplasmosis-related and toxoplasmosis-unrelated schizophrenia

scientific article published on 05 November 2012

Differences in the 2nd to 4th digit length ratio in humans reflect shifts along the common allometric line

scientific article

Direct evidence of Toxoplasma-induced changes in serum testosterone in mice

scientific article published on 31 March 2011

Do differences in Toxoplasma prevalence influence global variation in secondary sex ratio? Preliminary ecological regression study

scientific article published on August 2016

Does Toxoplasma infection increase sexual masochism and submissiveness? Yes and no.

scientific article published on 28 November 2017

Does the prevalence of latent toxoplasmosis and frequency of Rhesus-negative subjects correlate with the nationwide rate of traffic accidents?

scientific article published on December 2014

Dominance, submissivity (and homosexuality) in general population: testing of evolutionary hypothesis of sadomasochism by Internet-trap-method.

scientific article published in December 2006

Effect of Partnership Status on Preferences for Facial Self-Resemblance

scientific article published on 14 June 2016

Effects of latent toxoplasmosis on autoimmune thyroid diseases in pregnancy

scientific article

Effects of toxoplasma on human behavior

scientific article

Elastic, not plastic species: frozen plasticity theory and the origin of adaptive evolution in sexually reproducing organisms

scientific article (publication date: 13 January 2010)

Eye color predicts but does not directly influence perceived dominance in men

article by Karel Kleisner et al published July 2010 in Personality and Individual Differences

Fatal attraction phenomenon in humans: cat odour attractiveness increased for toxoplasma-infected men while decreased for infected women

scientific article (publication date: November 2011)

Friends with malefit. The effects of keeping dogs and cats, sustaining animal-related injuries and Toxoplasma infection on health and quality of life

scientific article published on 22 November 2019

Frozen Evolution

book by Jaroslav Flegr

Gender differences in behavioural changes induced by latent toxoplasmosis

scientific article

General Environmental Heterogeneity As The Explanation Of Sexuality? Comparative Study Shows That Ancient Asexual Taxa Are Associated With Both Biotically And Abiotically Homogeneous Environments

General environmental heterogeneity as the explanation of sexuality? Comparative study shows that ancient asexual taxa are associated with both biotically and abiotically homogeneous environments

scientific article

Health Status By Gender, Hair Color, And Eye Color: Red-Haired Women Are The Most Divergent With The Lowest Viability And The Highest Fertility

article

Health status by gender, hair color, and eye color: Red-haired women are the most divergent

scientific article published on 28 December 2017

Heterozygote Advantage Probably Maintains Rhesus Factor Blood Group Polymorphism: Ecological Regression Study

scientific article published on 26 January 2016

Higher Extraversion and Lower Conscientiousness in Humans Infected with Toxoplasma

Higher perceived dominance in Toxoplasma infected men--a new evidence for role of increased level of testosterone in toxoplasmosis-associated changes in human behavior.

scientific article published in April 2007

How and why Toxoplasma makes us crazy ⬇️

scientific article published on February 20, 2013

How much is our fairness worth? The effect of raising stakes on offers by Proposers and minimum acceptable offers in Dictator and Ultimatum Games

scientific article

Impaired health status and increased incidence of diseases in Toxoplasma-seropositive subjects - an explorative cross-sectional study

scientific article

Increased 25(OH)D3 level in redheaded people: Could redheadedness be an adaptation to temperate climate?

scientific article published on 01 June 2020

Increased incidence of traffic accidents in Toxoplasma-infected military drivers and protective effect RhD molecule revealed by a large-scale prospective cohort study

scientific article

Increased pregnancy weight gain in women with latent toxoplasmosis and RhD-positivity protection against this effect.

scientific article published on 6 July 2010

Increased risk of traffic accidents in subjects with latent toxoplasmosis: a retrospective case-control study

scientific article

Inference of the phylogenetic position of oxymonads based on nine genes: support for metamonada and excavata.

scientific article

Influence of latent 'asymptomatic' toxoplasmosis on body weight of pregnant women.

scientific article published in September 2005

Influence of latentToxoplasmainfection on human personality, physiology and morphology: pros and cons of theToxoplasma–human model in studying the manipulation hypothesis ⬇️

scientific article published on January 1, 2013

Is there a relation between the manipulative activity of Toxoplasma and personalized medicine?

scientific article published on 13 December 2017

Justine effect: punishment of the unduly self-sacrificing cooperative individuals

scientific article

Latent toxoplasmosis and olfactory functions of Rh positive and Rh negative subjects

scientific article published in PLoS ONE

Latent toxoplasmosis reduces gray matter density in schizophrenia but not in controls: voxel-based-morphometry (VBM) study.

scientific article published on 23 May 2011

Longer pregnancy and slower fetal development in women with latent "asymptomatic" toxoplasmosis

scientific article

Lower performance of Toxoplasma-infected, Rh-negative subjects in the weight holding and hand-grip tests.

scientific article published on 12 July 2018

Masterpiece of epigenetic engineering - how Toxoplasma gondii reprogrammes host brains to change fear to sexual attraction

scientific article

Microevolutionary, macroevolutionary, ecological and taxonomical implications of punctuational theories of adaptive evolution ⬇️

scientific article (publication date: 16 January 2013)

Modulation of immunity in mice with latent toxoplasmosis—the experimental support for the immunosuppression hypothesis of Toxoplasma-induced changes in reproduction of mice and humans

scientific article published on 19 August 2010

Molecular phylogeny of diplomonads and enteromonads based on SSU rRNA, alpha-tubulin and HSP90 genes: implications for the evolutionary history of the double karyomastigont of diplomonads

scientific article

Morphological and molecular diversity of the monocercomonadid genera Monocercomonas, Hexamastix, and Honigbergiella gen. nov.

scientific article

Neurological and Neuropsychiatric Consequences of Chronic Toxoplasma Infection

Neurophysiological effect of the Rh factor. Protective role of the RhD molecule against Toxoplasma-induced impairment of reaction times in women

scientific article

New approach and new permutation tests with R programs for analyses of false-negative-contaminated data in medicine and biology

scientific article published on 23 January 2020

New evolutionary lineages, unexpected diversity, and host specificity in the parabasalid genus Tetratrichomonas

scientific article published on 10 February 2006

No Evidence of Association between Toxoplasma gondii Infection and Financial Risk Taking in Females

scientific article published on 24 September 2015

Non-monophyly of Retortamonadida and high genetic diversity of the genus Chilomastix suggested by analysis of SSU rDNA.

scientific article published on 3 May 2008

Parasitism as the main factor shaping peptide vocabularies in current organisms.

scientific article published on 28 February 2017

Perceived intelligence is associated with measured intelligence in men but not women

scientific article

Phylogenetic position of Karotomorpha and paraphyly of Proteromonadidae

scientific article

Phylogenetic position of Protoopalina intestinalis based on SSU rRNA gene sequence

scientific article

Positive effects of multiple gene control on the spread of altruism by group selection

scientific article published on 23 May 2011

Potential immunomodulatory effects of latent toxoplasmosis in humans ⬇️

scientific article published on October 18, 2011

Predictors of Toxoplasma gondii infection in Czech and Slovak populations: the possible role of cat-related injuries and risky sexual behavior in the parasite transmission

scientific article

Probable neuroimmunological link between Toxoplasma and cytomegalovirus infections and personality changes in the human host

scientific article

Registered Replication Report: Rand, Greene, and Nowak (2012)

scientific article published in March 2017

Rhesus factor modulation of effects of smoking and age on psychomotor performance, intelligence, personality profile, and health in Czech soldiers

scientific article

Rhesus-minus phenotype as a predictor of sexual desire and behavior, wellbeing, mental health, and fecundity

scientific article published on 20 July 2020

Schizophrenia and Toxoplasma gondii: an undervalued association?

scientific article published on 31 May 2015

Skin fairness is a better predictor for impaired physical and mental health than hair redness

scientific article published on 02 December 2019

SlowFaster, a user-friendly program for slow-fast analysis and its application on phylogeny of Blastocystis

scientific article

Slower postnatal motor development in infants of mothers with latent toxoplasmosis during the first 18 months of life

scientific article published on 19 July 2012

Specificity and nature of the associations of twenty-four neuropsychiatric disorders with contacts with cats and dogs

scientific article

Stability-based sorting: The forgotten process behind (not only) biological evolution

scientific article

Stability-based sorting: The forgotten process behind (not only) biological evolution

Testosterone and cortisol levels in university students reflect actual rather than estimated number of wrong answers on written exam

scientific article published on January 1, 2010

The Relation of Toxoplasma Infection and Sexual Attraction to Fear, Danger, Pain, and Submissiveness

article

The distribution of Toxoplasma gondii cysts in the brain of a mouse with latent toxoplasmosis: implications for the behavioral manipulation hypothesis.

scientific article

The dsRNA of Trichomonas vaginalis is associated with virus-like particles and does not correlate with metronidazole resistance

scientific article published in January 1987

The effects of the phase of the menstrual cycle, hormonal contraception, pregnancy, and the marital and the parenthood status on partner preferences

The evolutionary history of testicular externalization and the origin of the scrotum

scientific article

The influence of RhD phenotype on toxoplasmosis- and age-associated changes in personality profile of blood donors.

scientific article

The influence of latent toxoplasmosis on women's reproductive function: four cross-sectional studies

scientific article published on 28 July 2015

The phylogenetic position of enteromonads: a challenge for the present models of diplomonad evolution

scientific article

The relation of cortisol and sex hormone levels to results of psychological, performance, IQ and memory tests in military men and women

scientific article published on January 1, 2012

The role of balancing selection in maintaining human RhD blood group polymorphism: A preregistered cross-sectional study

scientific article published on 27 November 2020

Toxoplasma-infected subjects report an Obsessive-Compulsive Disorder diagnosis more often and score higher in Obsessive-Compulsive Inventory.

scientific article published on 16 December 2016

Toxoplasmosis can be a sexually transmitted infection with serious clinical consequences. Not all routes of infection are created equal

scientific article

Toxoplasmosis, but not borreliosis, is associated with psychiatric disorders and symptoms.

scientific article published on 17 February 2018

Toxoplasmosis--a global threat. Correlation of latent toxoplasmosis with specific disease burden in a set of 88 countries

scientific article published in 2014

Toxoplasmosis-associated difference in intelligence and personality in men depends on their Rhesus blood group but not ABO blood group

scientific article published on 10 April 2013

Trustworthy-looking face meets brown eyes

scientific article

Use of random amplified polymorphic DNA (RAPD) analysis for the identification of Giardia intestinalis subtypes and phylogenetic tree construction

scientific article published in May 2003

Was Lysenko (partly) right? Michurinist biology in the view of modern plant physiology and genetics.

scientific article

What flowers do we like? The influence of shape and color on the rating of flower beauty

scientific article published on 07 June 2016

Why Drosophila is not Drosophila any more, why it will be worse and what can be done about it?

scientific article (publication date: 27 November 2013)

Why do some women prefer submissive men? Hierarchically disparate couples reach higher reproductive success in European urban humans

scientific article

Women's preference for dominant male odour: effects of menstrual cycle and relationship status

scientific article

Worse Health Status and Higher Incidence of Health Disorders in Rhesus Negative Subjects

scientific article published on 23 October 2015

Evoluční biologie

book edition published in 2018

Milí pokusní králíci ⬇️

book edition published in 2017

Milý Micíku, aneb, Covid v Kocourkově

book edition published in 2022

Zamrzlá evoluce, aneb, Je to jinak, pane Darwin

book edition published in 2016

List of works by Jaroslav Flegr

A Possible Role of Intracellular Isoelectric Focusing in the Evolution of Eukaryotic Cells and Multicellular Organisms

A Virtue Made of Necessity: Is the Increasing Hierarchical Complexity of Sexual Clades an Inevitable Outcome of Their Declining (Macro)evolutionary Potential?

A comprehensive allometric analysis of 2nd digit length to 4th digit length in humans.

A virtue made of necessity: Is the increasing hierarchical complexity of sexual clades an inevitable outcome of their declining (macro)evolutionary potential?

An elevated blood glucose level and increased incidence of gestational diabetes mellitus in pregnant women with latent toxoplasmosis

Banning paraphylies and executing Linnaean taxonomy is discordant and reduces the evolutionary and semantic information content of biological nomenclature

Brief Communication: Latent toxoplasmosis and salivary testosterone concentration--important confounding factors in second to fourth digit ratio studies

Cat scratches, not bites, are associated with unipolar depression--cross-sectional study

Cattle pathogen tritrichomonas foetus (Riedmüller, 1928) and pig commensal Tritrichomonas suis (Gruby & Delafond, 1843) belong to the same species

Changes in the personality profile of young women with latent toxoplasmosis

Clonal turnover versus clonal decay: a null model for observed patterns of asexual longevity, diversity and distribution

Contrasting effect of prepulse signals on performance of Toxoplasma-infected and Toxoplasma-free subjects in an acoustic reaction times test

Critical analysis of the topology and rooting of the parabasalian 16S rRNA tree

Cryptic species within the Tetratrichomonas gallinarum species complex revealed by molecular polymorphism

Decreased level of novelty seeking in blood donors infected with Toxoplasma

Decreased level of psychobiological factor novelty seeking and lower intelligence in men latently infected with the protozoan parasite Toxoplasma gondii Dopamine, a missing link between schizophrenia and toxoplasmosis?

Depressiveness and Neuroticism in Bartonella Seropositive and Seronegative Subjects - Preregistered Case-Controls Study

Difference of neuro- and immunomodulatory steroids and selected hormone and lipid concentrations between Toxoplasma-free and Toxoplasma-infected but not CMV-free and CMV-infected schizophrenia patients

Differences in cognitive functions between cytomegalovirus-infected and cytomegalovirus-free university students: a case control study.

Differences in cognitive functions between cytomegalovirus-infected and cytomegalovirus-free university students: a case-control study

Differences in onset of disease and severity of psychopathology between toxoplasmosis-related and toxoplasmosis-unrelated schizophrenia

Differences in the 2nd to 4th digit length ratio in humans reflect shifts along the common allometric line

Direct evidence of Toxoplasma-induced changes in serum testosterone in mice

Do differences in Toxoplasma prevalence influence global variation in secondary sex ratio? Preliminary ecological regression study

Does Toxoplasma infection increase sexual masochism and submissiveness? Yes and no.

Does the prevalence of latent toxoplasmosis and frequency of Rhesus-negative subjects correlate with the nationwide rate of traffic accidents?

Dominance, submissivity (and homosexuality) in general population: testing of evolutionary hypothesis of sadomasochism by Internet-trap-method.

Effect of Partnership Status on Preferences for Facial Self-Resemblance

Effects of latent toxoplasmosis on autoimmune thyroid diseases in pregnancy

Effects of toxoplasma on human behavior

Elastic, not plastic species: frozen plasticity theory and the origin of adaptive evolution in sexually reproducing organisms

Eye color predicts but does not directly influence perceived dominance in men

Fatal attraction phenomenon in humans: cat odour attractiveness increased for toxoplasma-infected men while decreased for infected women

Friends with malefit. The effects of keeping dogs and cats, sustaining animal-related injuries and Toxoplasma infection on health and quality of life

Frozen Evolution

Gender differences in behavioural changes induced by latent toxoplasmosis

General Environmental Heterogeneity As The Explanation Of Sexuality? Comparative Study Shows That Ancient Asexual Taxa Are Associated With Both Biotically And Abiotically Homogeneous Environments

General environmental heterogeneity as the explanation of sexuality? Comparative study shows that ancient asexual taxa are associated with both biotically and abiotically homogeneous environments

Health Status By Gender, Hair Color, And Eye Color: Red-Haired Women Are The Most Divergent With The Lowest Viability And The Highest Fertility

Health status by gender, hair color, and eye color: Red-haired women are the most divergent

Heterozygote Advantage Probably Maintains Rhesus Factor Blood Group Polymorphism: Ecological Regression Study

Higher Extraversion and Lower Conscientiousness in Humans Infected with Toxoplasma

Higher perceived dominance in Toxoplasma infected men--a new evidence for role of increased level of testosterone in toxoplasmosis-associated changes in human behavior.

How and why Toxoplasma makes us crazy ⬇️

How much is our fairness worth? The effect of raising stakes on offers by Proposers and minimum acceptable offers in Dictator and Ultimatum Games

Impaired health status and increased incidence of diseases in Toxoplasma-seropositive subjects - an explorative cross-sectional study

Increased 25(OH)D3 level in redheaded people: Could redheadedness be an adaptation to temperate climate?

Increased incidence of traffic accidents in Toxoplasma-infected military drivers and protective effect RhD molecule revealed by a large-scale prospective cohort study

Increased pregnancy weight gain in women with latent toxoplasmosis and RhD-positivity protection against this effect.

Increased risk of traffic accidents in subjects with latent toxoplasmosis: a retrospective case-control study

Inference of the phylogenetic position of oxymonads based on nine genes: support for metamonada and excavata.

Influence of latent 'asymptomatic' toxoplasmosis on body weight of pregnant women.

Influence of latentToxoplasmainfection on human personality, physiology and morphology: pros and cons of theToxoplasma–human model in studying the manipulation hypothesis ⬇️

Is there a relation between the manipulative activity of Toxoplasma and personalized medicine?

Justine effect: punishment of the unduly self-sacrificing cooperative individuals

Latent toxoplasmosis and olfactory functions of Rh positive and Rh negative subjects

Latent toxoplasmosis reduces gray matter density in schizophrenia but not in controls: voxel-based-morphometry (VBM) study.

Longer pregnancy and slower fetal development in women with latent "asymptomatic" toxoplasmosis

Lower performance of Toxoplasma-infected, Rh-negative subjects in the weight holding and hand-grip tests.

Masterpiece of epigenetic engineering - how Toxoplasma gondii reprogrammes host brains to change fear to sexual attraction

Microevolutionary, macroevolutionary, ecological and taxonomical implications of punctuational theories of adaptive evolution ⬇️

Modulation of immunity in mice with latent toxoplasmosis—the experimental support for the immunosuppression hypothesis of Toxoplasma-induced changes in reproduction of mice and humans

Molecular phylogeny of diplomonads and enteromonads based on SSU rRNA, alpha-tubulin and HSP90 genes: implications for the evolutionary history of the double karyomastigont of diplomonads

Morphological and molecular diversity of the monocercomonadid genera Monocercomonas, Hexamastix, and Honigbergiella gen. nov.

Neurological and Neuropsychiatric Consequences of Chronic Toxoplasma Infection

Neurophysiological effect of the Rh factor. Protective role of the RhD molecule against Toxoplasma-induced impairment of reaction times in women

New approach and new permutation tests with R programs for analyses of false-negative-contaminated data in medicine and biology

New evolutionary lineages, unexpected diversity, and host specificity in the parabasalid genus Tetratrichomonas

No Evidence of Association between Toxoplasma gondii Infection and Financial Risk Taking in Females

Non-monophyly of Retortamonadida and high genetic diversity of the genus Chilomastix suggested by analysis of SSU rDNA.

Parasitism as the main factor shaping peptide vocabularies in current organisms.

Perceived intelligence is associated with measured intelligence in men but not women

Phylogenetic position of Karotomorpha and paraphyly of Proteromonadidae

Phylogenetic position of Protoopalina intestinalis based on SSU rRNA gene sequence

Positive effects of multiple gene control on the spread of altruism by group selection

Potential immunomodulatory effects of latent toxoplasmosis in humans ⬇️

Predictors of Toxoplasma gondii infection in Czech and Slovak populations: the possible role of cat-related injuries and risky sexual behavior in the parasite transmission

Probable neuroimmunological link between Toxoplasma and cytomegalovirus infections and personality changes in the human host

Registered Replication Report: Rand, Greene, and Nowak (2012)