Genome Size and Sex Chromosome Variability of Bed Bugs Feeding on Animal Hosts Compared to Cimex lectularius Parasitizing Human (Heteroptera: Cimicidae)
Language English Country United States Media print-electronic
Document type Comparative Study, Journal Article, Research Support, Non-U.S. Gov't
PubMed
31603621
DOI
10.1002/cyto.a.23905
Knihovny.cz E-resources
- Keywords
- Cimex, Paracimex, GC content, cytogenetics, flow cytometry, genome size, holokinetic chromosomes,
- MeSH
- Cell Nucleus genetics metabolism MeSH
- Chiroptera MeSH
- Chromosomes genetics MeSH
- Cytogenetic Analysis MeSH
- Genome Size MeSH
- DNA Fragmentation MeSH
- Gonads cytology MeSH
- Humans MeSH
- Ploidies MeSH
- Sex Chromosomes genetics MeSH
- Flow Cytometry MeSH
- Bedbugs genetics metabolism MeSH
- Germ Cells chemistry metabolism MeSH
- Base Composition genetics MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Male MeSH
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Comparative Study MeSH
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 = 1.61 pg in C. hirundinis, 2C = 1.80 pg in C. lectularius from bats, 2C = 1.68 pg in C. pipistrelli, and 2C = 1.22 pg in Paracimex cf. chaeturus. In the genomes of all cimicid species analyzed, the average GC content ranged from 32.74% in C. pipistrelli to 35.87% in P. cf. chaeturus. Chromosome variability with two male cytotypes, 2n = 28 + X1 X2 Y and 28 + X1 X2 X3 Y, was confirmed in C. pipistrelli. In addition, intraspecific variability in chromosome number was revealed in C. lectularius from bats with 2n = 26 + X1 X2 Y and 26 + X1 X2 X3 Y. We suggest that the origin of intraspecific variability in chromosome number of C. lectularius from bats and C. pipistrelli is not only the result of simple fragmentation, but additive rearrangements like duplications are probably also involved. © 2019 International Society for Advancement of Cytometry.
Faculty of Science Department of Botany Charles University Benátská 2 CZ 12844 Praha Czech Republic
Faculty of Science Department of Zoology Charles University Viničná 7 CZ 12844 Praha Czech Republic
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