Search Results - "Grozeva, Snejana"

A synopsis of the numbers of testicular follicles and ovarioles in true bugs (Heteroptera, Hemiptera) - sixty-five years of progress after J. Pendergrast's review by Grozeva, Snejana, Stoianova, Desislava, Konstantinov, Fedor, Simov, Nikolay, Kuznetsova, Valentina G

“…The structure of testes and ovaries can be described in its simplest form by the number of follicles and ovarioles they contain. Sixty-five years after the…”
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Comparative analysis of chromosome numbers and sex chromosome systems in Paraneoptera (Insecta) by Kuznetsova, Valentina G, Gavrilov-Zimin, Ilya A, Grozeva, Snejana M, Golub, Natalia V

“…This article is part (the 4 article) of the themed issue (a monograph) "Aberrant cytogenetic and reproductive patterns in the evolution of Paraneoptera". The…”
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Cytogenetics of the true bug infraorder Cimicomorpha (Hemiptera, Heteroptera): a review by Kuznetsova, Valentina G, Grozeva, Snejana M, Nokkala, Seppo, Nokkala, Christina

“…The Cimicomorpha is one of the largest and highly diversified infraorders of the Heteroptera. This group is also highly diversified cytogenetically and…”
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Introduction to the study of chromosomal and reproductive patterns in Paraneoptera by Gavrilov-Zimin, Ilya A, Grozeva, Snejana M, Gapon, Dmitrii A, Kurochkin, Andrei S, Trencheva, Katia G, Kuznetsova, Valentina G

“…This paper opens the themed issue (a monograph) “Aberrant cytogenetic and reproductive patterns in the evolution of Paraneoptera”, prepared by a…”
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A chromosome scale assembly of the tarnished plant bug, Lygus lineolaris (Palisot de Beauvois), genome by Perera, O P, Saha, Surya, Glover, James, Parys, Katherine A, Allen, K Clint, Grozeva, Snejana, Kurtz, Ryan, Reddy, Gadi V P, Johnston, J Spencer, Daly, Mark, Swale, Thomas

“…The tarnished plant bug (TPB), Lygus lineolaris (Palisot de Beauvois) (Hemiptera: Miridae), is a pest damaging many cultivated crops in North America. Although…”
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New evidence for the presence of the telomere motif (TTAGG) n in the family Reduviidae and its absence in the families Nabidae and Miridae (Hemiptera, Cimicomorpha) by Grozeva, Snejana, Anokhin, Boris A., Simov, Nikolay, Kuznetsova, Valentina G.

“…Male karyotype and meiosis in four true bug species belonging to the families Reduviidae, Nabidae, and Miridae (Cimicomorpha) were studied for the first time…”
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New data on karyotype, spermatogenesis and ovarian trophocyte ploidy in three aquatic bug species of the families Naucoridae, Notonectidae, and Belostomatidae (Nepomorpha, Heteroptera) by Stoianova, Desislava, Simov, Nikolay, Vu, Manh Quang, Nguyen, Duc Minh, Grozeva, Snejana

“…We report the karyotype, some aspects of spermatogenesis, and ovarian trophocytes ploidy in three aquatic bug species: (Linnaeus, 1758), Linnaeus, 1758, and…”
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Achiasmate male meiosis in two Cymatia species (Hemiptera, Heteroptera, Corixidae) by Stoianova, Desislava, Grozeva, Snejana, Simov, Nikolay, Kuznetsova, Valentina

“…The karyotype and male meiosis, with a particular focus on the presence or absence of chiasmata between the homologs, were studied in the water boatman species…”
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First evidence for (TTAGG)n telomeric sequence and sex chromosome post-reduction in Coleorrhyncha (Insecta, Hemiptera) by Kuznetsova, Valentina G, Grozeva, Snejana M, Hartung, Viktor, Anokhin, Boris A

“…Telomeric repeats are general and significant structures of eukaryotic chromosomes. However, nothing is known about the molecular structure of telomeres in the…”
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The first finding of (TTAGG)n telomeric repeat in chromosomes of true bugs (Heteroptera, Belostomatidae) by Kuznetsova, Valentina G, Grozeva, Snejana M, Anokhin, Boris A

“…Using the fluorescence in situ hybridization (FISH), the presence of (TTAGG)n telomeric sequence was detected in the chromosomes of Lethocerus patruelis (Stål,…”
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First cytogenetic study of Coleorrhyncha: Meiotic complement of Xenophyes cascus (Hemiptera: Peloridiidae) by Snejana GROZEVA, Valentina KUZNETSOVA, Viktor HARTUNG

“…Cytogenetic information on the hemipteran suborder Coleorrhyncha is here provided for the first time. The New Zealand peloridiid species, Xenophyes cascus…”
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In Memoriam: Professor Iya Kiknadze (1930–2017) by Michailova, Paraskeva, Kuznetsova, Valentina, Grozeva, Snejana, Ilkova, Julia, Petrova, Ninel

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A chromosomal analysis of Nepa cinerea Linnaeus, 1758 and Ranatra linearis (Linnaeus, 1758) (Heteroptera, Nepidae) by Angus, Robert B, Jeangirard, Constance, Stoianova, Desislava, Grozeva, Snejana, Kuznetsova, Valentina G

“…An account is given of the karyotypes and male meiosis of the Water Scorpion Linnaeus, 1758 and the Water Stick Insect (Linnaeus, 1758) (Heteroptera,…”
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Sex chromosome pre-reduction in male meiosis of Lethocerus patruelis (Stål, 1854) (Heteroptera, Belostomatidae) with some notes on the distribution of the species by Grozeva, Snejana, Kuznetsova, Valentina G, Simov, Nikolay, Langourov, Mario, Dalakchieva, Svetla

“…The karyotype and meiosis in males of giant water bug Lethocerus patruelis (Heteroptera: Belostomatidae: Lethocerinae) were studied using standard and…”
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Karyotypes, male meiosis and comparative FISH mapping of 18S ribosomal DNA and telomeric (TTAGG) n repeat in eight species of true bugs (Hemiptera, Heteroptera) by Grozeva, S, Kuznetsova, V G, Anokhin, B A

“…Eight species belonging to five true bug families were analyzed using DAPI/CMA3-staining and fluorescence in situ hybridization (FISH) with telomeric (TTAGG)n…”
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Bed bug cytogenetics: karyotype, sex chromosome system, FISH mapping of 18S rDNA, and male meiosis in Cimex lectularius Linnaeus, 1758 (Heteroptera: Cimicidae) by Grozeva, Snejana, Kuznetsova, Valentina, Anokhin, B

“…Bugs (Insecta: Heteroptera) are frequently used as examples of unusual cytogenetic characters, and the family Cimicidae is one of most interest in this…”
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Sixth European hemiptera congress by Popov, Alexi, Simov, Nikolay, Grozeva, Snejana

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Direction of karyotype evolution in the bug family Nabidae (Heteroptera): New evidence from 18S rDNA analysis by Christina NOKKALA, Valentina KUZNETSOVA, Snejana GROZEVA, Seppo NOKKALA

“…The bug family Nabidae (Heteroptera) includes taxa showing either a low chromosome number 2n = 16 + XY or high chromosome numbers 2n = 26 or 32 + XY. In order…”
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Chiasmate male meiosis in six species of water bugs from infraorders Nepomorpha and Gerromorpha (Insecta: Heteroptera) by Grozeva, Snejana, Nokkala, Seppo, Simov, Nikolay

“…The type of male meiosis is a stable character at the family level in the order Heteroptera and provides additional information on the relationships between…”
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First Evidence of Sex Chromosome Pre-reduction in Male Meiosis in the Miridae Bugs (Heteroptera) by Grozeva, Snejana, Nokkala, Seppo, Simov, Nikolay

“…The karyotype and male meiosis of Macrolophus costalis Fieber (Insecta, Heteroptera, Miridae) were studied using C-banding, AgNOR-banding and DNA sequence…”
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