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Evidence for TTAGG telomere repeats and rRNA gene clusters in leafhoppers of the genus Alebra (Hemiptera: Auchenorrhyncha: Cicadellidae)

2015Journal article Open access
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dc.contributor.authorKuzNnetsova, Valentina G.
dc.contributor.authorMaryanska-Nadachowska, Anna
dc.contributor.authorAnokhin, Boris
dc.contributor.authorAguin-Pombo, Dora
dc.date.accessioned2022-01-07T12:04:08Z
dc.date.available2022-01-07T12:04:08Z
dc.date.issued2015
dc.description.abstractThe leafhopper genus Alebra Fieber, 1872 comprises a complex of morphologically similar species. The chromosome complements (karyotypes) of five Alebra species, i.e. A. albostriella, A. coryli, A. viridis, A. wahlbergi and a new, yet undescribed species, provisionally named Taxon 1, were here investigated, three of these species (A. coryli, A. viridis, and Taxon 1) for the first time. The techniques applied included standard chromosome staining, fluorescence in situ hybridization (FISH) for mapping of 18S rDNA and telomeric repeats (in every species), C-banding, AgNOR-banding and CMA3 /DAPI- staining (in A. viridis). The species have a holokinetic type of chromosomes, as in other hemipterans. Karyotypes of all species are remarkably conserved with 2n = 22 + X(0)/XX (male/female), one large and 10 medium pairs of autosomes and the X chromosome similar in size to larger chromosomes within this group. In every species, FISH identified the “classical” insect telomere repeat of TTAGG and rRNA gene clusters located on the homologues of a medium-sized pair of autosomes, presumably number 5. Thus, speciation in Alebra has apparently not involved significant karyotypic changes. In A. viridis, rDNA sites were both Ag- and CMA3 -positive and were located at an interstitial position. C-banding revealed heterochromatic bands in the X chromosome and also in all but four pairs of autosomes, the bands were located at one telomere of a chromosome. C-bands were positive for CMA3 and negative for DAPI, suggesting that C-heterochromatin is mainly enriched in GC-pairs.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationKuznetsova, V. G., Maryańska-Nadachowska, A. N. N. A., Anokhin, B., & Aguin-Pombo, D. (2015). Evidence for TTAGG telomere repeats and rRNA gene clusters in leafhoppers of the genus Alebra (Hemiptera: Auchenorrhyncha: Cicadellidae). European Journal of Entomology, 112(2). doi: 10.14411/eje.2015.045pt_PT
dc.identifier.doi10.14411/eje.2015.045pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3961
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInstitute of Entomologypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHemipterapt_PT
dc.subjectCicadellidaept_PT
dc.subjectAlebrapt_PT
dc.subjectKaryotypept_PT
dc.subjectHolokinetic chromosomespt_PT
dc.subjectC-heterochromatinpt_PT
dc.subjectCMA3 /DAPIpt_PT
dc.subjectAg-NORpt_PT
dc.subjectFISHpt_PT
dc.subject18S rDNApt_PT
dc.subjectTTAGGpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleEvidence for TTAGG telomere repeats and rRNA gene clusters in leafhoppers of the genus Alebra (Hemiptera: Auchenorrhyncha: Cicadellidae)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FBIA-BEC%2F103411%2F2008/PT
oaire.citation.endPage214pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage207pt_PT
oaire.citation.titleEuropean Journal of Entomologypt_PT
oaire.citation.volume112pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameAguin-Pombo
person.givenNameDora
person.identifier.orcid0000-0002-4471-7105
person.identifier.scopus-author-id6508294703
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication20d302e6-9681-4b6a-a6d9-c25be5f48d20
relation.isAuthorOfPublication.latestForDiscovery20d302e6-9681-4b6a-a6d9-c25be5f48d20
relation.isProjectOfPublication3cf75130-054d-4d45-a049-b6a3ea1a8064
relation.isProjectOfPublication.latestForDiscovery3cf75130-054d-4d45-a049-b6a3ea1a8064

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