Results 21 to 30 of about 168,653 (232)

Detection of fetal trisomy and single gene disease by massively parallel sequencing of extracellular vesicle DNA in maternal plasma: a proof-of-concept validation

open access: yesBMC Medical Genomics, 2019
Background During human pregnancy, placental trophectoderm cells release extracellular vesicles (EVs) into maternal circulation. Trophoblasts also give rise to cell-free DNA (cfDNA) in maternal blood, and has been used for noninvasive prenatal screening ...
Weiting Zhang   +14 more
doaj   +1 more source

Molecular and classical cytogenetic analyses demonstrate an apomorphic reciprocal chromosomal translocation in Gorilla gorilla [PDF]

open access: yes, 1992
The existence of an apomorphic reciprocal chromosomal translocation in the gorilla lineage has been asserted or denied by various cytogeneticists. We employed a new molecular cytogenetic strategy (chromosomal in situ suppression hybridization) combined ...
Bigoni, F.   +5 more
core   +1 more source

Evolutionary dynamics of adult stem cells: Comparison of random and immortal strand segregation mechanisms

open access: yes, 2004
This paper develops a point-mutation model describing the evolutionary dynamics of a population of adult stem cells. Such a model may prove useful for quantitative studies of tissue aging and the emergence of cancer.
A. T. Natarajan   +4 more
core   +1 more source

Cytogenetic analysis on Herichthys minckleyi (Perciformes, Cichlidae) from Cuatrociénegas, Coahuila, México

open access: yesThe European Zoological Journal
The purpose of this work was to use standard Giemsa staining and several chromosome-banding procedures to define the karyotype of Herichthys minckleyi (Perciformes, Cichlidae) from Cuatrociénegas, Coahuila, Mexico.
R. E. Mendoza-Alfaro   +4 more
doaj   +1 more source

Chromosome assignment of two cloned DNA probes hybridizing predominantly to human sex chromosomes [PDF]

open access: yes, 1984
In situ hybridization experiments were carried out with two clones, YACG 35 and 2.8, which had been selected from two genomic libraries strongly enriched for the human Y chromosome.
A Chapelle de la   +34 more
core   +1 more source

InPhaDel: integrative shotgun and proximity-ligation sequencing to phase deletions with single nucleotide polymorphisms. [PDF]

open access: yes, 2016
Phasing of single nucleotide (SNV), and structural variations into chromosome-wide haplotypes in humans has been challenging, and required either trio sequencing or restricting phasing to population-based haplotypes.
Bafna, Vineet   +4 more
core   +2 more sources

Recent Advances in Cytogenetic Technology for Antenatal Genetic Testing [PDF]

open access: yes, 1977
The examination of human chromosomes has been a part of the physician’s laboratory armamentarium since the correct diploid number of human chromosomes was established and a method was developed for the in vitro growth of peripheral blood leukocytes to ...
Brown, Judith A.   +3 more
core   +1 more source

Genomic catastrophes frequently arise in esophageal adenocarcinoma and drive tumorigenesis [PDF]

open access: yes, 2014
Oesophageal adenocarcinoma (EAC) incidence is rapidly increasing in Western countries. A better understanding of EAC underpins efforts to improve early detection and treatment outcomes.
Anderson, M   +43 more
core   +4 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Molecular cytogenetic characterisation of Salix viminalis L. using repetitive DNA sequences [PDF]

open access: yes, 2013
Salix viminalis L. (2n=38) is a diploid dicot species belonging to the Salix genus of the Salicaceae family. This short-rotation woody crop is one of the most important renewable bioenergy resources worldwide.
Dudits, Dénes   +3 more
core   +1 more source

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