Results 31 to 40 of about 1,311,035 (215)

A conserved filamentous assembly underlies the structure of the meiotic chromosome axis. [PDF]

open access: yes, 2019
The meiotic chromosome axis plays key roles in meiotic chromosome organization and recombination, yet the underlying protein components of this structure are highly diverged.
Caballero, Iracema   +10 more
core   +4 more sources

A family case of fertile human 45,X,psu dic(15;Y) males [PDF]

open access: yes, 2006
We report on a familial case including four male probands from three generations with a 45,X,psu dic(15;Y)(p11.2;q12) karyotype. 45,X is usually associated with a female phenotype and only rarely with maleness, due to translocation of small Y chromosomal
Andersson M   +29 more
core   +1 more source

Chromosome Structure: Coiling up chromosomes [PDF]

open access: yesCurrent Biology, 1995
The mechanism by which eukaryotic chromosomes condense as cells enter mitosis has long been inaccessible to molecular biologists. An important clue has now been provided by a ubiquitous protein family, the SMCs.
openaire   +3 more sources

ChrSNet: Chromosome Straightening using Self-attention Guided Networks [PDF]

open access: yesarXiv, 2022
Karyotyping is an important procedure to assess the possible existence of chromosomal abnormalities. However, because of the non-rigid nature, chromosomes are usually heavily curved in microscopic images and such deformed shapes hinder the chromosome analysis for cytogeneticists.
arxiv  

The condensin complex is required for proper spindle assembly and chromosome segregation in Xenopus egg extracts. [PDF]

open access: yes, 2003
Chromosome condensation is required for the physical resolution and segregation of sister chromatids during cell division, but the precise role of higher order chromatin structure in mitotic chromosome functions is unclear.
Deehan, Renee   +3 more
core   +4 more sources

Rapid interphase and metaphase assessment of specific chromosomal changes in neuroectodermal tumor cells by in situ hybridization with chemically modified DNA probes [PDF]

open access: yes, 1988
Repeated DNAs from the constitutive heterochromatin of human chromosomes 1 and 18 were used as probes in nonradioactive in situ hybridization experiments to define specific numerical and structural chromosome aberrations in three human glioma cell lines ...
A.H.N. Hopman   +64 more
core   +1 more source

Chromosome cohesion: A polymerase for chromosome bridges [PDF]

open access: yesCurrent Biology, 2000
How do cells ensure that sister chromatids produced during DNA replication stay connected with each other until their separation in anaphase? New insight is provided by the discovery of DNA polymerase kappa, which has been found to be required for building the connections between sister chromatids.
openaire   +3 more sources

Chromosome breakpoint distribution of damage induced in peripheral blood lymphocytes by densely ionising radiation [PDF]

open access: yes, 2006
Purpose: To assess the chromosomal breakpoint distribution in human peripheral blood lymphocytes (PBL) after exposure to a low dose of high linear energy transfer (LET) α-particles using the technique of multiplex fluorescence in situ hybridisation (m ...
Anderson, RM   +3 more
core   +1 more source

The chromosomes of the Filariae [PDF]

open access: yesFilaria Journal, 2005
An understanding of the nature of the chromosomes of the filariae is expected to greatly assist the future interpretation of genome data. Filarial development is not eutelic, and there does not seem to be a fixed number of cell divisions in the way that there is in Caenorhabditis.
Rory J. Post, Rory J. Post
openaire   +3 more sources

Dynamic chromatin regulatory programs during embryogenesis of hexaploid wheat

open access: yesGenome Biology, 2023
Background Plant and animal embryogenesis have conserved and distinct features. Cell fate transitions occur during embryogenesis in both plants and animals. The epigenomic processes regulating plant embryogenesis remain largely elusive.
Long Zhao   +13 more
doaj   +1 more source

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