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Fouqueau L, Polechová J. Eco-evolutionary dynamics in changing environments: integrating theory with data. J Evol Biol 2024; 37:579-587. [PMID: 38941551 DOI: 10.1093/jeb/voae067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 05/23/2024] [Accepted: 05/31/2024] [Indexed: 06/30/2024]
Affiliation(s)
- Louise Fouqueau
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Jitka Polechová
- Department of Mathematics, University of Vienna, Vienna, Austria
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2
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Urban JM, Bateman JR, Garza KR, Borden J, Jain J, Brown A, Thach BJ, Bliss JE, Gerbi SA. Bradysia (Sciara) coprophila larvae up-regulate DNA repair pathways and down-regulate developmental regulators in response to ionizing radiation. Genetics 2024; 226:iyad208. [PMID: 38066617 PMCID: PMC10917502 DOI: 10.1093/genetics/iyad208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023] Open
Abstract
The level of resistance to radiation and the developmental and molecular responses can vary between species, and even between developmental stages of one species. For flies (order: Diptera), prior studies concluded that the fungus gnat Bradysia (Sciara) coprophila (sub-order: Nematocera) is more resistant to irradiation-induced mutations that cause visible phenotypes than the fruit fly Drosophila melanogaster (sub-order: Brachycera). Therefore, we characterized the effects of and level of resistance to ionizing radiation on B. coprophila throughout its life cycle. Our data show that B. coprophila embryos are highly sensitive to even low doses of gamma-irradiation, whereas late-stage larvae can tolerate up to 80 Gy (compared to 40 Gy for D. melanogaster) and still retain their ability to develop to adulthood, though with a developmental delay. To survey the genes involved in the early transcriptional response to irradiation of B. coprophila larvae, we compared larval RNA-seq profiles with and without radiation treatment. The up-regulated genes were enriched for DNA damage response genes, including those involved in DNA repair, cell cycle arrest, and apoptosis, whereas the down-regulated genes were enriched for developmental regulators, consistent with the developmental delay of irradiated larvae. Interestingly, members of the PARP and AGO families were highly up-regulated in the B. coprophila radiation response. We compared the transcriptome responses in B. coprophila to the transcriptome responses in D. melanogaster from 3 previous studies: whereas pathway responses are highly conserved, specific gene responses are less so. Our study lays the groundwork for future work on the radiation responses in Diptera.
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Affiliation(s)
- John M Urban
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, RI 02912, USA
- Department of Embryology, Carnegie Institution for Science, Howard Hughes Medical Institute Research Laboratories, 3520 San Martin Drive, Baltimore, MD 21218, USA
| | - Jack R Bateman
- Biology Department, Bowdoin College, Brunswick, ME 04011, USA
| | - Kodie R Garza
- Biology Department, Bowdoin College, Brunswick, ME 04011, USA
| | - Julia Borden
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, RI 02912, USA
| | - Jaison Jain
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, RI 02912, USA
| | - Alexia Brown
- Biology Department, Bowdoin College, Brunswick, ME 04011, USA
| | - Bethany J Thach
- Biology Department, Bowdoin College, Brunswick, ME 04011, USA
| | - Jacob E Bliss
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, RI 02912, USA
| | - Susan A Gerbi
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, RI 02912, USA
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3
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Nagao K, Tanaka Y, Kajitani R, Toyoda A, Itoh T, Kubota S, Goto Y. Bioinformatic and fine-scale chromosomal mapping reveal the nature and evolution of eliminated chromosomes in the Japanese hagfish, Eptatretus burgeri, through analysis of repetitive DNA families. PLoS One 2023; 18:e0286941. [PMID: 37639389 PMCID: PMC10461843 DOI: 10.1371/journal.pone.0286941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023] Open
Abstract
In the Japanese hagfish, Eptatretus burgeri, approximately 21% of the genomic DNA in germ cells (2n = 52) consists of 16 chromosomes (eliminated [E]-chromosomes) that are eliminated from presumptive somatic cells (2n = 36). To uncover the eliminated genome (E-genome), we have identified 16 eliminated repetitive DNA families from eight hagfish species, with 11 of these repeats being selectively amplified in the germline genome of E. burgeri. Furthermore, we have demonstrated that six of these sequences, namely EEEb1-6, are exclusively localized on all 16 E-chromosomes. This has led to the hypothesis that the eight pairs of E-chromosomes are derived from one pair of ancestral chromosomes via multiple duplication events over a prolonged evolutionary period. NGS analysis has recently facilitated the re-assembly of two distinct draft genomes of E. burgeri, derived from the testis and liver. This advancement allows for the prediction of not only nonrepetitive eliminated sequences but also over 100 repetitive and eliminated sequences, accomplished through K-mer-based analysis. In this study, we report four novel eliminated repetitive DNA sequences (designated as EEEb7-10) and confirm the relative chromosomal localization of all eliminated repeats (EEEb1-10) by fluorescence in situ hybridization (FISH). With the exception of EEEb10, all sequences were exclusively detected on EEEb1-positive chromosomes. Surprisingly, EEEb10 was detected as an intense signal on EEEb1-positive chromosomes and as a scattered signal on other chromosomes in germ cells. The study further divided the eight pairs of E-chromosomes into six groups based on the signal distribution of each DNA family, and fiber-FISH experiments showed that the EEEb2-10 family was dispersed in the EEEb1-positive extended chromatin fiber. These findings provide new insights into the mechanisms underlying chromosome elimination and the evolution of E-chromosomes, supporting our previous hypothesis.
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Affiliation(s)
- Kohei Nagao
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Yoshiki Tanaka
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
| | - Rei Kajitani
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
| | - Atsushi Toyoda
- Advanced Genomics Center, National Institute of Genetics, Mishima, Shizuoka, Japan
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Takehiko Itoh
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
| | - Souichirou Kubota
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Yuji Goto
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
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4
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Herbette M, Ross L. Paternal genome elimination: patterns and mechanisms of drive and silencing. Curr Opin Genet Dev 2023; 81:102065. [PMID: 37413739 DOI: 10.1016/j.gde.2023.102065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 07/08/2023]
Abstract
In thousands of arthropod species, males inherit, but subsequently eliminate the entire haploid genome of their father. However, why this peculiar reproductive strategy evolved repeatedly across diverse species and what mechanisms are involved in paternal genome elimination (PGE) remains largely unknown. In this review, we summarize what we know about the patterns of paternal chromosome elimination during various stages of development in the diverse taxa that have been studied. We also discuss some other unusual features often associated with PGE, such as the transcriptional silencing of paternally derived chromosomes in males and sex determination through the early embryonic elimination of X chromosomes. Little is known about the molecular mechanisms underlying the parent-of-origin-dependent chromosome elimination and silencing under PGE, but we discuss the insight of several studies that are pioneering this work and highlight directions for future research.
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Affiliation(s)
- Marion Herbette
- School of Biological Sciences, Institute of Evolutionary Biology, The University of Edinburgh, Edinburgh EH9 3FL, UK
| | - Laura Ross
- School of Biological Sciences, Institute of Evolutionary Biology, The University of Edinburgh, Edinburgh EH9 3FL, UK.
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Feyereisen R, Urban JM, Nelson DR. Aliens in the CYPome of the black fungus gnat, Bradysia coprophila. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2023; 159:103965. [PMID: 37271423 DOI: 10.1016/j.ibmb.2023.103965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/21/2023] [Accepted: 05/25/2023] [Indexed: 06/06/2023]
Abstract
The diverse cytochrome P450 enzymes of insects play essential physiological roles and also play important roles in the metabolism of environmental chemicals such as insecticides. We manually curated the complement of P450 (CYP) genes, or CYPome, of the black fungus gnat, Bradysia (Sciara) coprophila (Diptera, Sciaroidea), a species with a variable number of chromosomes. This CYPome carries two types of "alien" P450 genes. The first type of alien P450s was found among the 163 CYP genes of the core genome (autosomes and X). They consist of 28 sequences resulting from horizontal gene transfer, with closest sequences not found in insects, but in other arthropods, often Collembola. These genes are not contaminants, because they are expressed genes with introns, found in synteny with regular dipteran genes, also found in B. odoriphaga and B. hygida. Two such "alien" genes are representatives of CYP clans not otherwise found in insects, a CYP53 sequence related to fungal CYP53 genes, and a CYP19-like sequence similar to some collembolan sequences but of unclear origin. The second type of alien P450s are represented by 99 sequences from germline-restricted chromosomes (GRC). While most are P450 pseudogenes, 33 are apparently intact, with half being more closely related to P450s from Cecidomyiidae than from Sciaridae, thus supporting the hypothesis of a cross-family hybridization origin of the GRC.
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Affiliation(s)
- René Feyereisen
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, 9000, Ghent, Belgium.
| | - John M Urban
- Carnegie Institution for Science, Department of Embryology, Howard Hughes Medical Institute Research Laboratories, 3520 San Martin Drive, Baltimore, MD, 21218, USA
| | - David R Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
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Baird RB, Mongue AJ, Ross L. Why put all your eggs in one basket? Evolutionary perspectives on the origins of monogenic reproduction. Heredity (Edinb) 2023:10.1038/s41437-023-00632-7. [PMID: 37328587 PMCID: PMC10382564 DOI: 10.1038/s41437-023-00632-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/18/2023] Open
Abstract
Sexual reproduction is ubiquitous in eukaryotes, but the mechanisms by which sex is determined are diverse and undergo rapid turnovers in short evolutionary timescales. Usually, an embryo's sex is fated at the moment of fertilisation, but in rare instances it is the maternal genotype that determines the offspring's sex. These systems are often characterised by mothers producing single-sex broods, a phenomenon known as monogeny. Monogenic reproduction is well documented in Hymenoptera (ants, bees and wasps), where it is associated with a eusocial lifestyle. However, it is also known to occur in three families in Diptera (true flies): Sciaridae, Cecidomyiidae and Calliphoridae. Here we review current knowledge of monogenic reproduction in these dipteran clades. We discuss how this strange reproductive strategy might evolve, and we consider the potential contributions of inbreeding, sex ratio distorters, and polygenic control of the sex ratio. Finally, we provide suggestions on future work to elucidate the origins of this unusual reproductive strategy. We propose that studying these systems will contribute to our understanding of the evolution and turnover of sex determination systems.
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Affiliation(s)
- Robert B Baird
- Institute of Ecology and Evolution, University of Edinburgh, Edinburgh, EH9 3JT, UK.
| | - Andrew J Mongue
- Department of Entomology and Nematology, University of Florida, Gainesville, Florida, 32611, USA
| | - Laura Ross
- Institute of Ecology and Evolution, University of Edinburgh, Edinburgh, EH9 3JT, UK
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Dockendorff TC, Estrem B, Reed J, Simmons JR, Zadegan SB, Zagoskin MV, Terta V, Villalobos E, Seaberry EM, Wang J. The nematode Oscheius tipulae as a genetic model for programmed DNA elimination. Curr Biol 2022; 32:5083-5098.e6. [PMID: 36379215 PMCID: PMC9729473 DOI: 10.1016/j.cub.2022.10.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/05/2022] [Accepted: 10/19/2022] [Indexed: 11/16/2022]
Abstract
Programmed DNA elimination (PDE) is a notable exception to the paradigm of genome integrity. In metazoa, PDE often occurs coincident with germline to somatic cell differentiation. During PDE, portions of genomic DNA are lost, resulting in reduced somatic genomes. Prior studies have described the sequences lost, as well as chromosome behavior, during metazoan PDE. However, a system for studying the mechanisms and consequences of PDE in metazoa is lacking. Here, we present a functional and genetic model for PDE in the free-living Rhabditidae nematode Oscheius tipulae, a family that also includes Caenorhabditis elegans. O. tipulae was recently suggested to eliminate DNA. Using staged embryos and DNA FISH, we showed that O. tipulae PDE occurs during embryogenesis at the 8-16 cell stages. We identified a conserved motif, named Sequence For Elimination (SFE), for all 12 break sites on the six chromosomes at the junctions of retained and eliminated DNA. SFE mutants exhibited a "fail-to-eliminate" phenotype only at the modified sites. END-seq revealed that breaks can occur at multiple positions within the SFE, with extensive end resection followed by telomere addition to both retained and eliminated ends. We identified many functional SFEs at the chromosome ends through END-seq in the wild-type embryos, genome sequencing of SFE mutants, and comparative genomics of 23 wild isolates. We suggest that these alternative SFEs provide flexibility in the sequences eliminated and a fail-safe mechanism for PDE. These studies establish O. tipulae as a new, attractive model for studying the mechanisms and consequences of PDE in a metazoan.
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Affiliation(s)
- Thomas C Dockendorff
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Brandon Estrem
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Jordan Reed
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - James R Simmons
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Sobhan Bahrami Zadegan
- UT-ORNL Graduate School of Genome Science and Technology, University of Tennessee, Knoxville, TN 37996, USA
| | - Maxim V Zagoskin
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Vincent Terta
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Eduardo Villalobos
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Erin M Seaberry
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Jianbin Wang
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA; UT-ORNL Graduate School of Genome Science and Technology, University of Tennessee, Knoxville, TN 37996, USA.
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8
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Gerbi SA. Non-random chromosome segregation and chromosome eliminations in the fly Bradysia (Sciara). Chromosome Res 2022; 30:273-288. [PMID: 35793056 PMCID: PMC10777868 DOI: 10.1007/s10577-022-09701-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/10/2022] [Accepted: 05/23/2022] [Indexed: 11/03/2022]
Abstract
Mendelian inheritance is based upon random segregation of homologous chromosomes during meiosis and perfect duplication and division of chromosomes in mitosis so that the entire genomic content is passed down to the daughter cells. The unusual chromosome mechanics of the fly Bradysia (previously called Sciara) presents many exceptions to the canonical processes. In male meiosis I, there is a monopolar spindle and non-random segregation such that all the paternal homologs move away from the single pole and are eliminated. In male meiosis II, there is a bipolar spindle and segregation of the sister chromatids except for the X dyad that undergoes non-disjunction. The daughter cell that is nullo-X degenerates, whereas the sperm has two copies of the X. Fertilization restores the diploid state, but there are three copies of the X chromosome, of which one or two of the paternally derived X chromosomes will be eliminated in an early cleavage division. Bradysia (Sciara) coprophila also has germ line limited L chromosomes that are eliminated from the soma. Current information and the molecular mechanisms for chromosome imprinting and eliminations, which are just beginning to be studied, will be reviewed here.
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Affiliation(s)
- Susan A Gerbi
- Department of Molecular Biology, Cell Biology and Biochemistry, Division of Biology and Medicine, Brown University, 185 Meeting Street, Sidney Frank Hall Room 260, Providence, RI, 02912, USA.
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Jaron KS, Hodson CN, Ellers J, Baird SJE, Ross L. Genomic evidence of paternal genome elimination in the globular springtail Allacma fusca. Genetics 2022; 222:6659513. [PMID: 35946560 DOI: 10.1093/genetics/iyac117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 07/16/2022] [Indexed: 11/13/2022] Open
Abstract
Paternal genome elimination (PGE) - a type of reproduction in which males inherit but fail to pass on their father's genome - evolved independently in six to eight arthropod clades. Thousands of species, including several important for agriculture, reproduce via this mode of reproduction. While PGE is well established in some of the clades, the evidence in globular springtails (Symphypleona) remains elusive, even though they represent the oldest and most species rich clade putatively reproducing via PGE. We sequenced genomic DNA from whole bodies of Allacma fusca males with high fractions (>27.5%) of sperm to conclusively confirm that all the sperm carry one parental haplotype only. Although it is suggestive that the single haplotype present in sperm is maternally inherited, definitive genetic proof of the parent of origin is still needed. The genomic approach we developed allows for detection of genotypic differences between germline and soma in all species with sufficiently high fraction of germline in their bodies. This opens new opportunities for scans of reproductive modes in small organisms.
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Affiliation(s)
- Kamil S Jaron
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, EH9 3JT, UK
| | - Christina N Hodson
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, EH9 3JT, UK
| | - Jacintha Ellers
- Department of Ecological Science, Vrije Universiteit Amsterdam, Faculty of Science, Amsterdam, 1081 HV, NL
| | - Stuart J E Baird
- Institute of Vertebrate Biology, Czech Academy of Sciences, Studenec 122 675 02 Koněšín, CZ
| | - Laura Ross
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, EH9 3JT, UK
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Sotelo-Muñoz M, Poignet M, Albrecht T, Kauzál O, Dedukh D, Schlebusch SA, Janko K, Reifová R. Germline-restricted chromosome shows remarkable variation in size among closely related passerine species. Chromosoma 2022; 131:77-86. [PMID: 35389062 DOI: 10.1007/s00412-022-00771-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/19/2022] [Accepted: 03/22/2022] [Indexed: 12/20/2022]
Abstract
Passerine birds have a supernumerary chromosome in their germ cells called the germline-restricted chromosome (GRC). The GRC was first discovered more than two decades ago in zebra finch but recent studies have suggested that it is likely present in all passerines, the most species rich avian order, encompassing more than half of all modern bird species. Despite its wide taxonomic distribution, studies on this chromosome are still scarce and limited to a few species. Here, we cytogenetically analyzed the GRC in five closely related estrildid finch species of the genus Lonchura. We show that the GRC varies enormously in size, ranging from a tiny micro-chromosome to one of the largest macro-chromosomes in the cell, not only among recently diverged species but also within species and sometimes even between germ cells of a single individual. In Lonchura atricapilla, we also observed variation in GRC copy number among male germ cells of a single individual. Finally, our analysis of hybrids between two Lonchura species with noticeably different GRC size directly supported maternal inheritance of the GRC. Our results reveal the extraordinarily dynamic nature of the GRC, which might be caused by frequent gains and losses of sequences on this chromosome leading to substantial differences in genetic composition of the GRC between and even within species. Such differences might theoretically contribute to reproductive isolation between species and thus accelerate the speciation rate of passerine birds compared to other bird lineages.
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Affiliation(s)
- Manuelita Sotelo-Muñoz
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 12800, Prague, Czech Republic.
| | - Manon Poignet
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 12800, Prague, Czech Republic
| | - Tomáš Albrecht
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 12800, Prague, Czech Republic.,Institute of Vertebrate Biology, Czech Academy of Sciences, Květná 8, 60365, Brno, Czech Republic
| | - Ondřej Kauzál
- Institute of Vertebrate Biology, Czech Academy of Sciences, Květná 8, 60365, Brno, Czech Republic.,Department of Ecology, Faculty of Science, Charles University, Viničná 7, 12800, Prague, Czech Republic
| | - Dmitrij Dedukh
- Institute of Animal Physiology and Genetics, Czech Academy of Sciences, 27721, Liběchov, Czech Republic
| | - Stephen A Schlebusch
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 12800, Prague, Czech Republic
| | - Karel Janko
- Institute of Animal Physiology and Genetics, Czech Academy of Sciences, 27721, Liběchov, Czech Republic.,Department of Biology and Ecology, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
| | - Radka Reifová
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 12800, Prague, Czech Republic.
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