Results 11 to 20 of about 129,882 (243)

Frequent gene conversion events between the X and Y homologous chromosomal regions in primates

open access: yesBMC Evolutionary Biology, 2010
Background Mammalian sex-chromosomes originated from a pair of autosomes. A step-wise cessation of recombination is necessary for the proper maintenance of sex-determination and, consequently, generates a four strata structure on the X chromosome.
Hirai Hirohisa   +4 more
doaj   +1 more source

Unique signatures of natural background radiation on human Y chromosomes from Kerala, India. [PDF]

open access: yesPLoS ONE, 2009
BackgroundThe most frequently observed major consequences of ionizing radiation are chromosomal lesions and cancers, although the entire genome may be affected.
Sanjay Premi   +3 more
doaj   +1 more source

No evidence for a second evolutionary stratum during the early evolution of mammalian sex chromosomes. [PDF]

open access: yesPLoS ONE, 2012
Mammalian sex chromosomes originated from a pair of autosomes, and homologous genes on the sex chromosomes (gametologs) differentiated through recombination arrest between the chromosomes.
Yukako Katsura, Yoko Satta
doaj   +1 more source

Continued colonization of the human genome by mitochondrial DNA. [PDF]

open access: yesPLoS Biology, 2004
Integration of mitochondrial DNA fragments into nuclear chromosomes (giving rise to nuclear DNA sequences of mitochondrial origin, or NUMTs) is an ongoing process that shapes nuclear genomes.
Miria Ricchetti   +2 more
doaj   +1 more source

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

open access: yesNature Communications, 2019
Due to various structural and sequence complexities, the human Y chromosome is challenging to sequence and characterize. Here, the authors develop a strategy to sequence native, unamplified flow sorted Y chromosomes with a nanopore sequencing platform ...
Lukas F. K. Kuderna   +15 more
doaj   +1 more source

Evaluating the relationship between spermatogenic silencing of the X chromosome and evolution of the Y chromosome in chimpanzee and human.

open access: yesPLoS ONE, 2010
Chimpanzees and humans are genetically very similar, with the striking exception of their Y chromosomes, which have diverged tremendously. The male-specific region (MSY), representing the greater part of the Y chromosome, is inherited from father to son ...
Eskeatnaf Mulugeta Achame   +3 more
doaj   +1 more source

A comparative of G-banded chromosome of Assam Macaque (Macaca assamensis) and relationship to human (Homo sapiens) [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2006
This research was the first to report a comparative analysis of G-banded chromosome of Assam macaque, Macaca assamensis (Primate, Cercopithecidae) and relationship to human, Homo sapiens (Primate, Hominidae).
Bunjongrat, R.   +3 more
doaj  

Comparative chromosome G-banding analysis of long-tailed macaque (Macaca fascicularis) and relationship to human (Homo sapiens) [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2007
This research is the first report of the comparative chromosome between long-tailed macaque (Macaca fascicularis) and human (Homo sapiens) using G-banding. Blood samples from four male and three female macaques were used.
Alongkoad Tanomtong   +2 more
doaj  

Gender-specific characteristics of hypertrophic response in cardiomyocytes derived from human embryonic stem cells [PDF]

open access: yesJournal of Cardiovascular and Thoracic Research, 2021
Introduction: Gender-specific phenotypes of the heart were reported with respect to both physiology and pathology. While most differences were associated with the sex hormones, differential expression of genes received special attention, particularly X-Y
Shiva Ahmadvand   +3 more
doaj   +1 more source

Deep ancestry of mammalian X chromosome revealed by comparison with the basal tetrapod Xenopus tropicalis

open access: yesBMC Genomics, 2012
Background The X and Y sex chromosomes are conspicuous features of placental mammal genomes. Mammalian sex chromosomes arose from an ordinary pair of autosomes after the proto-Y acquired a male-determining gene and degenerated due to suppression of X-Y ...
Mácha Jaroslav   +6 more
doaj   +1 more source

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