B chromosomes

JPM CAMACHO - The evolution of the genome, 2005 - Elsevier
Publisher Summary Chromosomes are vehicles that facilitate the organized and fair
transmission of cooperative genes during cell division. The Mendelian segregation law, for …

Non-Mendelian segregation and transmission drive of B chromosomes

JPM Camacho - Chromosome Research, 2022 - Springer
Selfish genetic elements (SGE) get a transmission advantage (drive) thanks to their non-
Mendelian inheritance. Here I identify eight steps during the reproductive cycle that can be …

[HTML][HTML] Protein-coding genes in B chromosomes of the grasshopper Eyprepocnemis plorans

B Navarro-Domínguez, FJ Ruiz-Ruano, J Cabrero… - Scientific Reports, 2017 - nature.com
For many years, parasitic B chromosomes have been considered genetically inert elements.
Here we show the presence of ten protein-coding genes in the B chromosome of the …

[HTML][HTML] B-Chromosome Ribosomal DNA Is Functional in the Grasshopper Eyprepocnemis plorans

M Ruiz-Estevez, Ma Dolores López-León, J Cabrero… - PLoS …, 2012 - journals.plos.org
B-chromosomes are frequently argued to be genetically inert elements, but activity for some
particular genes has been reported, especially for ribosomal RNA (rRNA) genes whose …

A Single, Recent Origin of the Accessory B Chromosome of the Grasshopper Eyprepocnemis plorans

AJ Munoz-Pajares, L Martinez-Rodriguez, M Teruel… - Genetics, 2011 - academic.oup.com
B chromosomes are dispensable chromosomes found in> 2000 eukaryotic species, usually
behaving as genomic parasites. Most B chromosomes seem to be made up of the same kind …

A- and B-chromosome pairing and recombination in male meiosis of the silver fox (Vulpes vulpes L., 1758, Carnivora, Canidae)

EA Basheva, AA Torgasheva, GR Sakaeva… - Chromosome …, 2010 - Springer
We examined A-and B-chromosome pairing and recombination in 12 males from the farm-
bred population of the silver fox (2 n= 34+ 0–10 Bs) by means of electron and …

Variable B chromosomes frequencies between males and females of two species of pufferfishes (Tetraodontiformes)

RB Noleto, MR Vicari, MM Cestari, RF Artoni - Reviews in fish biology and …, 2012 - Springer
Cytogenetic analysis in two sympatric species of pufferfish from Paraná Coast, Brazil,
Sphoeroides spengleri (Tetraodontidae) and Chilomycterus spinosus (Diodontidae) …

B chromosomes

RN Douglas, JA Birchler - Chromosome structure and aberrations, 2017 - Springer
Supernumerary B chromosomes (Bs) have been observed in over 2000 plant, animal, and
fungal species. Bs are nonessential and may be deleterious to the host genome at high copy …

[HTML][HTML] Preferential Occupancy of R2 Retroelements on the B Chromosomes of the Grasshopper Eyprepocnemis plorans

EE Montiel, J Cabrero, M Ruiz-Estevez, WD Burke… - PLoS …, 2014 - journals.plos.org
R2 non-LTR retrotransposons exclusively insert into the 28S rRNA genes of their host, and
are expressed by co-transcription with the rDNA unit. The grasshopper Eyprepocnemis …

Quantitative analysis of NOR expression in a B chromosome of the grasshopper Eyprepocnemis plorans

M Teruel, J Cabrero, F Perfectti, JPM Camacho - Chromosoma, 2009 - Springer
The B 24 chromosome in the Torrox population of the grasshopper Eyprepocnemi s ploran s
is recurrently attached to a nucleolus in diplotene cells, indicating the activity of its distally …