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Otu and Rif1 Double Mutant Enables Analysis of Satellite DNA in Polytene Chromosomes of Ovarian Germ Cells in Drosophila melanogaster
AbstractPolytene chromosomes in Drosophila serve as a classical model for cytogenetic studies. However, heterochromatic regions of chromosomes are...
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Development of N.K. Koltsov’s Idea about Genetic Organization of Interbands in Drosophila melanogaster Polytene Chromosomes
AbstractThe organization of promoters of developmental gene promoters and promoter of genes necessary for general cellular functions—the...
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Conservative Protein RCC1 Is a New Component of Black Bands of Drosophila melanogaster Polytene Chromosomes
AbstractPreviously, the RCC1 gene ( Regulator of Chromosome Condensation 1 ), which is considered a regulator of chromosome condensation in the cell...
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Super-resolution microscopy reveals stochastic initiation of replication in Drosophila polytene chromosomes
Studying the probability distribution of replication initiation along a chromosome is a huge challenge. Drosophila polytene chromosomes in...
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Molecular characterization of eliminated chromosomes in Hessian fly (Mayetiola destructor (Say))
Like other cecidomyiid Diptera, Hessian fly has stable S chromosomes and dispensable E chromosomes that are retained only in the germ line. Amplified...
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Different Protein Groups Involved in Transcription Regulation in Development and Housekee** Genes in Drosophila
AbstractAntibodies to histone modifications and an insulator protein involved in the processes of transcription initiation and elongation are mapped...
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Cytological Approaches to Visualize Intracellular Dynamics of RNA-Binding Proteins at Active Genes in Drosophila
Heterogeneous nuclear ribonucleoproteins (hnRNPs) are a family of RNA-binding proteins that modulate multiple aspects of gene activity and RNA...
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Variability of polyteny of giant chromosomes in Drosophila melanogaster salivary glands
Polyteny is an effective mechanism for accelerating growth and enhancing gene expression in eukaryotes. The purpose of investigation was to study the...
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Mitotic Antipairing of Homologous Chromosomes
Chromosome organization is highly dynamic and plays an essential role during cell function. It was recently found that pairs of the homologous...
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Assignment of the somatic A/B compartments to chromatin domains in giant transcriptionally active lampbrush chromosomes
BackgroundThe three-dimensional configuration of the eukaryotic genome is an emerging area of research. Chromosome conformation capture outlined...
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Study of the Association of Ouib and Nom with Heterochromatin in Drosophila melanogaster
AbstractIn Drosophila , a large group of actively transcribed genes is located in pericentromeric heterochromatin. It is assumed that heterochromatic...
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An analysis on the divergence of Chironomid spp. based on the study of 18S rRNA and polytene chromosome organization in the species revealing the role of environment on speciation
BackgroundNine species of Chironomus evolved throughout the world were measured for their divergence with regard to their DNA sequences concerning...
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Study of the in Vivo Functional Role of Mutations in the BTB Domain of the CP190 Protein of Drosophila melanogaster
AbstractThe Drosophila transcription factor СР190 is one of the key proteins that determine the activity of housekee** gene promoters and...
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Faint gray bands in Drosophila melanogaster polytene chromosomes are formed by coding sequences of housekee** genes
In Drosophila melanogaster , the chromatin of interphase polytene chromosomes appears as alternating decondensed interbands and dense black or thin...
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Recombination and Chromosomal Rearrangements
Maintenance of chromosome stability is essential for the survival of all organisms and the transmission of their genetic information. Chromosomes...
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Structure of antipodal cells nuclei of wheat embryo sac during programmed cell death
Main conclusionDuring antipodal cells PCD, polytene chromosomes rearrangement, segregation of nucleoli components and extrusion of nuclear components...
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Giant Cortical Glial Cells in the Central Nervous System of Insects
AbstractCortical glial cells are located in the neuron body layer of the brain and the ganglia of the ventral nerve cord. There are at least two size...
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The chromosomes of Drosophila suzukii (Diptera: Drosophilidae): detailed photographic polytene chromosomal maps and in situ hybridization data
The spotted wing drosophila, D. suzukii , is a serious agricultural pest attacking a variety of soft fruits and vegetables. Although originating from...
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Genetic Control of Dosage Compensation
Most animals have two copies of autosomal chromosomes in both females and males. However, females and males have different sex chromosome dosages:...
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Benzaldehyde-induced developmental genotoxicity triggers both neural and non-neuronal cells including the cells of immunity in Drosophila melanogaster
Although benzaldehyde, an aromatic aldehyde, has been declared safe for uses in food, conflicting reports exist regarding its genotoxic and cytotoxic...
