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Structure, behaviour and repetitive DNA of B-chromosomes in Cestrum nocturnum (Solanaceae)
(Taylor & Francis Ltd, 2019-01)
The Cestrum genus is karyotypically exceptional in Solanaceae. It is characterised by a basic number x = 8, a large chromosomal and genomic size, complex heterochromatin patterns, B-chromosomes (Bs) with particular ...
Gene and protein expression of connexins 37 and 43 in cumulus-oocytes complexes throughout the canine oestrous cycle
(CSIRO, 2020)
The aim of this study was to evaluate the expression of connexin (Cx) 37 and Cx43 in canine cumulus-oocyte complexes (COCs) during the oestrous cycle. Cx localisation was analysed by immunohistochemistry and immunofluorescence, ...
Caracterização citogenética, compostos fenólicos e genotoxicidade de Sambucus australis Cham. & Schltdl. (Adoxaceae)
(Universidade Federal de Santa MariaBRCiências BiológicasUFSMPrograma de Pós-Graduação em Agrobiologia, 2015-03-13)
The economic potential of the medicinal species native to Brazil is huge, rendering it important to maintain the available plant genetic diversity via studies characterizing germplasm. Between these studies, highlights the ...
A natural triploid in Trichomycterus davisi (Siluriformes, Trichomycteridae): mitotic and meiotic characterization by chromosome banding and synaptonemal complex analyses
(Kluwer Academic Publ, 2002-08-01)
Within a total of 50 analyzed specimens a male individual of Trichomycterus davisi has been recorded with 81 chromosomes including 60 metacentric, 18 submetacentric and three subtelocentric chromosomes. When compared with ...
Pollen viability and meiotic abnormalities in brome grasses (Bromus L., section Ceratochloa) from Argentina
(Tubitak Scientific & Technical Research Council Turkey, 2016-10)
Bromus Section Ceratochloa includes temperate forage species. South American species form a morphologically very variable hexaploid complex (2n = 6x = 42), with a controversial taxonomic classification. Reproductive biology ...