An intraspecific origin of B chromosomes in Tetragonisca fiebrigi (Apidae: Meliponini) inferred from cytogenetic and nuclear genome size data [PDF]
Scientific ReportsTetragonisca angustula and Tetragonisca fiebrigi are two stingless bees’ species commonly known as “jataí”. Cytogenetic data indicates the presence of B chromosomes in T. fiebrigi and absence in T. angustula, constituting a cytotaxonomic character.
Marina Souza Cunha +6 more
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Chromosome distribution of four LTR retrotransposons and 18 S rDNA in coffea eugenioides [PDF]
Scientific ReportsRepetitive sequences are recognized for their roles in plant genome organization and function. Mobile elements are notable repeatome sequences due to their intrinsic mutagenic potential, which is related to the origin of adaptive novelties. Understanding
Mariana Cansian Sattler +3 more
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Embryonic abnormalities and genotoxicity induced by 2,4-dichlorophenoxyacetic acid during indirect somatic embryogenesis in Coffea [PDF]
Scientific Reports, 2023 Indirect somatic embryogenesis (ISE) is a morphogenetic pathway in which somatic cells form callus and, later, somatic embryos (SE). 2,4-dichlorophenoxyacetic acid (2,4-D) is a synthetic auxin that promotes the proliferation and dedifferentiation of ...
João Paulo de Morais Oliveira +3 more
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The tight bond between Fanconi anemia and aging [PDF]
Frontiers in AgingFanconi anemia (FA) is a rare genetic disorder characterized by genomic instability, bone marrow failure, physical abnormalities, and increased cancer susceptibility. Growing evidence suggests that.
Marco Antonio Mejía-Barrera +15 more
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Hematology, Transfusion and Cell Therapy, 2023 A neoplasia mielodisplásica (SMD) representa um grupo heterogêneo de doenças que acomete preferencialmente indivíduos idosos e possui uma ampla variação de manifestações clínicas e patológicas que têm em comum uma alteração clonal nas células ...
AL Nunes +6 more
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EVOLUTIONARY DYNAMICS OF AUTOPOLYPLOIDS IN NATURAL POPULATIONS: THE CASE OF TURNERA SIDOIDES COMPLEX [PDF]
BAG. Journal of Basic and Applied Genetics, 2022 Turnera sidoides (x=7) is one of the few well-studied South American autopolyploid complexes. Since polyploidy has played a prominent role within this complex, ongoing studies in T.
Kovalsky I.E. +11 more
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IMPACTO PROGNÓSTICO DO PADRÃO DE EXPRESSÃO DE EZH2 EM NEOPLASIA MIELODISPLÁSICA
Hematology, Transfusion and Cell Therapy, 2023 Introdução: A Neoplasia Mielodisplásica (SMD) compreende a um grupo heterogêneo de doenças clonais das células pluripotentes hematopoiéticas, caracterizada por displasias na medula óssea (MO), citopenias no sangue periférico (SP) e um risco de evolução ...
GF Lima +4 more
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Frequent copy number variants in a cohort of Mexican-Mestizo individuals
Molecular Cytogenetics, 2023 Background The human genome presents variation at distinct levels, copy number variants (CNVs) are DNA segments of variable lengths that range from several base pairs to megabases and are present at a variable number of copies in human genomes.
Silvia Sánchez +14 more
doaj +1 more source
Cáncer de mama en seis familias del Tolima y el Huila: mutación BRCA1 3450del4
Biomédica: revista del Instituto Nacional de Salud, 2020 Introducción. El cáncer de mama es un problema mundial de salud pública; entre el 5 y el 10 % de los casos presentan agregación familiar, lo que se explicaría por la presencia de mutaciones en genes de alto riesgo como el BRCA1 y el BRCA2.
Jennyfer Benavides +9 more
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ANÁLISIS CARIOTÍPICO DE CAPSICUM PUBESCENS (SOLANACEAE) "ROCOTO"
Revista Peruana de Biología, 2014 Análisis cariotípico de Capsicum pubescens R&P (Solanaceae). Los cromosomas han sido descritos, comparados y dibujados, usando una técnica de coloración modificada, C. pubescens tiene un número cromosómico diploide 2n = 24, de los cuales 11 pares son
Misael Guevara +2 more
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