David Sadílek
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View article: New estimates of genome size in Orthoptera and their evolutionary implications
New estimates of genome size in Orthoptera and their evolutionary implications Open
Animal genomes vary widely in size, and much of their architecture and content remains poorly understood. Even among related groups, such as orders of insects, genomes may vary in size by orders of magnitude–for reasons unknown. The larges…
View article: Karyotype differentiation and male meiosis in European clades of the spider genus Pholcus (Araneae, Pholcidae)
Karyotype differentiation and male meiosis in European clades of the spider genus Pholcus (Araneae, Pholcidae) Open
Haplogyne araneomorphs are a diverse spider clade. Their karyotypes are usually predominated by biarmed (i.e., metacentric and submetacentric) chromosomes and have a specific sex chromosome system, X 1 X 2 Y. These features are probably an…
View article: New estimates of genome size in Orthoptera and their evolutionary implications
New estimates of genome size in Orthoptera and their evolutionary implications Open
Animal genomes vary widely in size, and much of their architecture and content remains poorly understood. Even among related groups, such as orders of insects, genomes may vary in size by orders of magnitude – for reasons unknown. The larg…
View article: Evolution of chromosome number in grasshoppers (Orthoptera: Caelifera: Acrididae)
Evolution of chromosome number in grasshoppers (Orthoptera: Caelifera: Acrididae) Open
Orthoptera have some of the largest genomes of all insects. At the same time, the architecture of their genomes remains poorly understood. Comparative cytological data across a wide range of taxa, even for basic parameters such as chromoso…
View article: Correction to: Evolutionary pattern of karyotypes and meiosis in pholcid spiders (Araneae: Pholcidae): implications for reconstructing chromosome evolution of araneomorph spiders
Correction to: Evolutionary pattern of karyotypes and meiosis in pholcid spiders (Araneae: Pholcidae): implications for reconstructing chromosome evolution of araneomorph spiders Open
View article: Evolutionary pattern of karyotypes and meiosis in pholcid spiders (Araneae: Pholcidae): implications for reconstructing chromosome evolution of araneomorph spiders
Evolutionary pattern of karyotypes and meiosis in pholcid spiders (Araneae: Pholcidae): implications for reconstructing chromosome evolution of araneomorph spiders Open
View article: Additional file 1 of Evolutionary pattern of karyotypes and meiosis in pholcid spiders (Araneae: Pholcidae): implications for reconstructing chromosome evolution of araneomorph spiders
Additional file 1 of Evolutionary pattern of karyotypes and meiosis in pholcid spiders (Araneae: Pholcidae): implications for reconstructing chromosome evolution of araneomorph spiders Open
Additional file 1: Table S1. Species under study, male karyotype data (including standard deviation). Abbreviations: EX = product of event X (X = number of event), phase = phase of mitotic/meiotic division used to obtain data on chromosome…
View article: Karyotypes of water scavenger beetles (Coleoptera: Hydrophilidae): new data and review of published records
Karyotypes of water scavenger beetles (Coleoptera: Hydrophilidae): new data and review of published records Open
This study summarizes available data on karyotypes of water scavenger beetles (Coleoptera: Hydrophiloidea: Hydrophilidae), based on newly acquired data of 23 genera and 64 species. We combine these data with previously published data, whic…
View article: Patterns of Sex Chromosome Differentiation in Spiders: Insights from Comparative Genomic Hybridisation
Patterns of Sex Chromosome Differentiation in Spiders: Insights from Comparative Genomic Hybridisation Open
Spiders are an intriguing model to analyse sex chromosome evolution because of their peculiar multiple X chromosome systems. Y chromosomes were considered rare in this group, arising after neo-sex chromosome formation by X chromosome-autos…
View article: Distribution of 18S rDNA clusters in Central European harvestmen of the suborder Eupnoi (Arachnida: Opiliones)
Distribution of 18S rDNA clusters in Central European harvestmen of the suborder Eupnoi (Arachnida: Opiliones) Open
rDNA clusters are an important cytogenetic marker for studying karyotype evolution and chromosomal changes. The variability of this cytogenetic characteristic is, however, still almost unknown in the karyotypes of the entire class Arachnid…
View article: Genome Size and Sex Chromosome Variability of Bed Bugs Feeding on Animal Hosts Compared to <i>Cimex lectularius</i> Parasitizing Human (Heteroptera: Cimicidae)
Genome Size and Sex Chromosome Variability of Bed Bugs Feeding on Animal Hosts Compared to <i>Cimex lectularius</i> Parasitizing Human (Heteroptera: Cimicidae) Open
Genome size and chromosome number of five Cimicidae species were compared with the similar data recently received from Cimex lectularius parasitizing human. The average nuclear DNA content (males) was 2C = 1.47 pg in C. hemipterus , 2C = 1…
View article: Nuclear Genome Size in Contrast to Sex Chromosome Number Variability in the Human Bed Bug, <i>Cimex lectularius</i> (Heteroptera: Cimicidae)
Nuclear Genome Size in Contrast to Sex Chromosome Number Variability in the Human Bed Bug, <i>Cimex lectularius</i> (Heteroptera: Cimicidae) Open
The human bed bug Cimex lectularius is one of the most prevalent human ectoparasites in temperate climate zones. The cytogenetic features of this resilient pest include holokinetic chromosomes, special chromosome behavior in meiosis, and n…
View article: Comparison of different cytogenetic methods and tissue suitability for the study of chromosomes in Cimex lectularius (Heteroptera, Cimicidae)
Comparison of different cytogenetic methods and tissue suitability for the study of chromosomes in Cimex lectularius (Heteroptera, Cimicidae) Open
In the article we summarize the most common recent cytogenetic methods used in analysis of karyotypes in Heteroptera. We seek to show the pros and cons of the spreading method compared with the traditional squashing method. We discuss the …
View article: Comparison of different cytogenetic methods and tissue suitability for the study of chromosomes in Cimex lectularius (Heteroptera, Cimicidae)
Comparison of different cytogenetic methods and tissue suitability for the study of chromosomes in Cimex lectularius (Heteroptera, Cimicidae) Open
In the article we summarize the most common recent cytogenetic methods used in analysis of karyotypes in Heteroptera. We seek to show the pros and cons of the spreading method compared with the traditional squashing method. We discuss the …
View article: Investigation of the midgut structure and ultrastructure in Cimex lectularius and Cimex pipistrelli (Hemiptera: Cimicidae)
Investigation of the midgut structure and ultrastructure in Cimex lectularius and Cimex pipistrelli (Hemiptera: Cimicidae) Open
View article: Molecular cytogenetics of<i>Androctonus</i>scorpions: an oasis of calm in the turbulent karyotype evolution of the diverse family Buthidae
Molecular cytogenetics of<i>Androctonus</i>scorpions: an oasis of calm in the turbulent karyotype evolution of the diverse family Buthidae Open
Recent cytogenetic and genomic studies suggest that morphological and molecular evolution is decoupled in the basal arachnid order Scorpiones. Extraordinary karyotype variation has been observed particularly in the family Buthidae, which i…