Results 51 to 60 of about 10,446,015 (290)

Horse Y chromosome assembly displays unique evolutionary features and putative stallion fertility genes

open access: yesNature Communications, 2018
Dynamic evolutionary processes and complex structure make the Y chromosome among the most diverse and least understood regions in mammalian genomes.
J. Janecka   +19 more
semanticscholar   +1 more source

De novo assembly of a young Drosophila Y chromosome using single-molecule sequencing and chromatin conformation capture

open access: yesbioRxiv, 2018
While short-read sequencing technology has resulted in a sharp increase in the number of species with genome assemblies, these assemblies are typically highly fragmented.
Shivani Mahajan   +4 more
semanticscholar   +1 more source

Growth of donor-derived dendritic cells from the bone marrow of murine liver auograft recipients in response to granulocyte/macrophage colony-stimulating factor [PDF]

open access: yes, 1995
Allografts of the liver, which has a comparatively heavy leukocyte content compared with other vascularized organs, are accepted permanently across major histocompatibility complex barriers in many murine strain combinations without immunosuppressive ...
Fu, F   +9 more
core   +1 more source

Molecular cytogenetics (FISH, GISH) of Coccinia grandis: A ca. 3 myr-old species of Cucurbitaceae with the largest Y/autosome divergence in flowering plants [PDF]

open access: yes, 2013
The independent evolution of heteromorphic sex chromosomes in 19 species from 4 families of flowering plants permits studying X/Y divergence after the initial recombination suppression.
A. Sousa   +67 more
core   +2 more sources

Forensic use of Y-chromosome DNA: a general overview

open access: yesHuman Genetics, 2017
The male-specific part of the human Y chromosome is widely used in forensic DNA analysis, particularly in cases where standard autosomal DNA profiling is not informative.
M. Kayser
semanticscholar   +1 more source

Analysis of fertility potential in men with severe azoospermia and oligospermia of various etiology

open access: yesАндрология и генитальная хирургия, 2018
The study objective is to evaluate the significance of the Y chromosome microdeletions for prediction of spermatozoa retrieval during testicle biopsy in men with severe azoospermia and oligozoospermia.Materials and methods.
T. A. Yamandi   +9 more
doaj   +1 more source

A boy with 46,X,+mar presenting gynecomastia and short stature [PDF]

open access: yesAnnals of Pediatric Endocrinology & Metabolism, 2017
A 15-year-old boy was referred due to gynecomastia and short stature. He was overweight and showed the knuckle-dimple sign on the left hand, a short fourth toe on the left foot, and male external genitalia with a small phallus.
Ki Eun Kim   +7 more
doaj   +1 more source

Y/X-Chromosome-Bearing Sperm Shows Elevated Ratio in the Left but Not the Right Testes in Healthy Mice

open access: yesLife, 2021
The sex chromosomes play central roles in determining the sex of almost all of the multicellular organisms. It is well known that meiosis in mammalian spermatogenesis produces ~50% Y- and ~50% X-chromosome-bearing sperm, a 1:1 ratio. Here we first reveal
Chengqing Hu   +4 more
doaj   +1 more source

Hexavalents in spermatocytes of Robertsonian heterozygotes between Mus m. domesticus 2n 26 from the Vulcano and Lipari Islands (Aeolian Archipelago, Italy) [PDF]

open access: yes, 2018
The size and shape of the chromosomes, as well as the chromosomal domains that compose them, are determinants in the distribution and interaction between the bivalents within the nucleus of spermatocytes in prophase I of meiosis.
Eliana Ayarza   +6 more
core   +3 more sources

Selective single molecule sequencing and assembly of a human Y chromosome of African origin

open access: yesNature Communications, 2018
Mammalian Y chromosomes are often neglected from genomic analysis. Due to their inherent assembly difficulties, high repeat content, and large ampliconic regions, only a handful of species have their Y chromosome properly characterized.
L. Kuderna   +15 more
semanticscholar   +1 more source

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