Results 31 to 40 of about 1,606 (112)

The Role of Awns Evolution in Shaping the Biogeographical History of Pappophorinae (Poaceae: Chloridoideae)

open access: yesJournal of Biogeography, Volume 53, Issue 3, March 2026.
ABSTRACT Aim We reconstructed the biogeographic history of Pappophorinae and tested whether the evolution of awns is associated with differences in species' geographic ranges. Location Americas. Time Period Miocene. Major Taxa Studies Pappophorinae (Poaceae: Chloridoideae).
Yuri de S. Vieira Couceiro   +6 more
wiley   +1 more source

Bibimys labiosus Winge, 1887 (Mammalia: Rodentia: Sigmodontinae): new records in Paraná state, southern Brazil, and update of the known geographic distribution [PDF]

open access: yesCheck List, 2015
Bibimys is a genus still poorly known in its basic aspects, such as systematics, natural history and geographic distribution. In Brazil, only Bibimys labiosus is recorded, with occasional records spread in time and space.
Guilherme Grazzini   +7 more
doaj   +3 more sources

Efeitos adversos e resposta citogenética em pacientes com leucemia mieloide crônica tratados com imatinibe

open access: yesRevista Brasileira de Hematologia e Hemoterapia
A leucemia mieloide crônica (LMC) é uma doença mieloproliferativa clonal caracterizada citogeneticamente pelo cromossomo Philadelphia. Dentre as opções terapêuticas estão a hidroxiureia, o interferon-a, o transplante alogeneico de células-tronco ...
Tatiana F. Alvarenga   +6 more
doaj   +1 more source

Performance of non‐invasive prenatal testing in vanishing‐twin and multiple pregnancies: results of TRIDENT‐2 study

open access: yesUltrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 738-746, December 2025.
ABSTRACT Objective To evaluate the performance of non‐invasive prenatal testing (NIPT) in vanishing‐twin and multiple pregnancies. Methods This study was conducted as part of the TRIDENT‐2 study, in which NIPT was offered as a first‐tier screening test to women with a multiple pregnancy or vanishing‐twin pregnancy between 1 June 2020 and 31 March 2023 ...
J. C. A. van Eekhout   +86 more
wiley   +1 more source

Citogenética e biologia molecular em leucemia linfocítica crônica Cytogenetics and molecular biology in chronic lymphocytic leukemia

open access: yesRevista Brasileira de Hematologia e Hemoterapia, 2005
O estudo das alterações cromossômicas em LLC é importante no auxílio ao diagnóstico, quando da identificação de doença clonal e no diagnóstico diferencial com outras linfoproliferações; no acompanhamento evolutivo ao permitir a detecção de alterações ...
Maria de Lourdes L. F. Chauffaille
doaj   +1 more source

Análise citogenética de bovinos da raça Pardo-Suíça

open access: yesBoletim de Indústria Animal, 2010
Em 1985 o plantel de bovinos da raça Pardo-Suíça do Instituto de Zootecnia, da Secretaria da Agricultura e Abastecimento de São Paulo (SAA/SP), APTA, foi analisado citogeneticamente e verificado a presença de translocação Robertsoniana 1/29, anomalia está relacionada com a redução da fertilidade. Neste plantel foi detectado também quimerismo
Rita Maria Ladeira Pires   +4 more
openaire   +3 more sources

Caracterización cromosómica y morfométrica de Carollia perspicillata (Linnaeus 1758) en la región Caribe colombiano

open access: yesRevista Peruana de Biología, 2018
El género Carollia es un grupo diverso de murciélagos neotropicales. La similitud de caracteres morfométricos y alto grado de diversidad, dificulta la identificación precisa de las especies del género.
Margarita Rumié Mendoza   +2 more
doaj   +1 more source

Homeology of sex chromosomes in Amazonian Harttia armored catfishes supports the X-fission hypothesis for the X1X2Y sex chromosome system origin

open access: yesScientific Reports, 2023
The Neotropical monophyletic catfish genus Harttia represents an excellent model to study karyotype and sex chromosome evolution in teleosts. Its species split into three phylogenetic clades distributed along the Brazilian territory and they differ ...
Francisco de Menezes Cavalcante Sassi   +9 more
doaj   +1 more source

Incidental Findings Identified by Prenatal Microarray Analysis and Consensus Reporting Criteria of the Catalan Public Health Network XIGENICS

open access: yesPrenatal Diagnosis, Volume 45, Issue 3, Page 326-347, March 2025.
ABSTRACT Objective The study aimed to evaluate the frequency of pathogenic copy number variants (CNVs) classified as incidental findings (IFs) in prenatal diagnosis and to develop consensus recommendations for standardizing their reporting across six centers within the Catalan public health system (XIGENICS network).
Irene Mademont‐Soler   +12 more
wiley   +1 more source

Archolaemus janeae (Gymnotiformes, Teleostei): First insights into karyotype and repetitive DNA distribution in two populations of the Amazon

open access: yesEcology and Evolution, 2021
Archolaemus, one of the five genera of Neotropical freshwater fish of the family Sternopygidae (Gymnotiformes), was long considered a monotypic genus represented by Archolaemus blax.
Paula Pinto Rodrigues   +6 more
doaj   +1 more source

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