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Meiotic and mitotic behaviour of B chromosomes of ryegrass. Author(s): TECHIO, V. H.; MITTELMANN, A.; MARCIÓ, S.; PEREIRA, A. V. ABSTRACT - Mitotic and meiotic analyses using conventional and fluorescent stains were employed in plants (accession ETBAZ 055 - origin: Capão do Leão, Rio Grande do Sul State, Brazil) from the Germpl... ... Repository: BDPA Publication year: 2010
Detection of quantitative trait loci for growth traits on bovine chromosome 2. Author(s): MOURÃO, G. B.; SALEM, M. M. I; PACKER, U. I.; PINTO, L. F. B.; MACHADO, M. A.; GASPARIN, G.; AZEVEDO, A. L. S.; VERNEQUE, R. da S.; REGITANO, L. C. de A. Classical quantitative genetic approach is applied successfully to improve livestock production using phenotype and pedigree information to estimate population genetic parameters such as heritabilitie... ... Repository: BDPA Publication year: 2010
PS-P-1679 Chromosome evolution in Passiflora: from chromosome numbers to single-copy and repetitive DNA sequences. Author(s): SADER M. A.; DIAS, Y.; MUNHOZ, C.; PENHA, H.; AMORIM, B. S.; COSTA, L.; VAIO, M.; SANTOS L. A. C.; DORNELAS, M. C.; BERGES, H.; MELO, N. F. de; SOUZA, G.; VIEIRA, M. L.; PEDROSA-HARAND, A. Passiflora L. has around 500 species mainly distributed in the Neotropics. The genus shows different basic chromosome numbers associated to different subgenus (x = 6, 9 and 12) and high variation in g... ... Repository: BDPA Publication year: 2018
Stability in chromosome number and DNA content in synthetic tetraploids of Lolium multiflorum after two generations of selection. Author(s): PEREIRA, R. C.; SANTOS, N. de S.; BUSTAMANTE, F. de O.; MITTELMANN, A.; TECHIO, V. H. ABSTRACT - Chromosome doubling of Italian ryegrass genotypes ( Lolium multiflorum Lam.) adapted to the brazilian edaphoclimatic conditions is an important strategy used by breeders and aims to obtain... ... Repository: BDPA Publication year: 2017
Chromosomal distribution and evolution of abundant retrotransposons in plants: gypsy elements in diploid and polyploid Brachiaria forage grasses. Author(s): SANTOS, F. C.; VALLE, C. B. do; CHIARI, L. Repository: BDPA Publication year: 2015
A duplicated copy of id2b is an unusual sex-determining candidate gene on the Y chromosome of arapaima (Arapaima gigas). Author(s): ADOLFI, M. C.; DU, K.; KNEITZ, S.; CABAU, C.; ZAHM, M.; KLOPP, C.; FERON, R.; PAIXÃO, R. V.; VARELA, E. S.; O'SULLIVAN, F. L. A.; OLIVEIRA, M. A. de; NÓBREGA, R. H.; LOPEZ-ROQUES, C.; IAMPIETRO, C.; LLUCH, J.; KLOAS, W.; WUERTZ, S.; SCHAEFER, F.; STÖCK, M.; GUIGUEN, Y.; SCHARTL, M. Arapaima gigas is one of the largest freshwater fish species of high ecological and economic importance. Overfishing and habitat destruction are severe threats to the remaining wild populations. By in... ... Repository: BDPA Publication year: 2021
IAPT chromosome data 36/4. Author(s): POZZOBON, M. T.; SOUSA, M. W. dos S.; VALLS, J. F. M. Repository: BDPA Publication year: 2022
The chromosome number and heterochromatin distribution pattern suggest differentiation among species of the Stylosanthes scabra-seabrana complex. Author(s): LIRA, I. C. S. A.; MELO, N. F. de; ANTONIO, R. P.; OLIVEIRA, R. S. de; QUEIROZ, M. A. The genus Stylosanthes has economic importance in semi-arid regions and requires studies that reveal complex relationships between species involving of Stylosanthes identified as S. scabra, in order t... ... Repository: BDPA Publication year: 2024
Chromosome number, microsporogenesis, microgametogenesis, and pollen viability in the Brazilian native grass Mesosetum chaseae (Poaceae). Author(s): SILVA, L. A. C.; PAGLIARINI, M. S.; SANTOS, S. A.; SILVA, N.; SOUZA, V. F. The genus Mesosetum is a primarily South American genus with 42 species. Mesosetum chaseae, regionally known as ?grama-do-cerrado?, is abundant in the Pantanal Matogrossense (Brazil); it is a valuable... ... Repository: BDPA Publication year: 2012
Dynamics of 45S rDNA sites in the cell cycle: fragile sites and chromosomal stability in Lolium and Festuca. Author(s): ROCHA, L. C.; SILVA, G. A.; BUSTAMANTE, F. O.; SILVEIRA, R. A. D.; MITTELMANN, A.; TECHIO, V. H. Abstract Analyses carried out with fluorescence in situ hybridization (FISH) in C-metaphases of the Lolium-Festuca complex have shown the occurrence of spontaneous fragile sites (FSs) in 45S rDNA regi... ... Repository: BDPA Publication year: 2017

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