How is all of that DNA packaged so tightly into chromosomes and squeezed into ... The basic repeating structural (and functional) unit of chromatin is the nucleosome, which contains eight histone ...

The single chromosome displayed here and those ... DNA without all of the proteins that organize it into chromatin. Note how its structure resembles a twisted ladder. Note also that DNA with ...

Chromosomes also play a role in regulating gene expression. The structure and packaging of chromatin can influence which genes are active or silenced in a particular cell type or developmental stage.

Now, for the first time, EMBL scientists have directly observed this process in high resolution under the microscope using a new chromatin ... structure can result in severe chromosome segregation ...

Rethinking Models of DNA Organization in Micrometer‐Sized Chromosomes from the Perspective of the Nanoproperties of Chromatin Favoring a Multilayer Structure, Small Structures (2024).

Histone modifications alter the structure of chromatin, affecting how tightly the DNA is packaged and influence gene expression. Similarly, transcription factors, which bind to the DNA, are essential ...

The difference in nuclear structure between neurones ... Lyon interpreted "sex chromatin" to be a manifestation of a genetically inactive X chromosome. She could then explain the mottled ...

Now, for the first time, EMBL scientists have directly observed this process in high resolution under the microscope using a new chromatin ... structure can result in severe chromosome segregation ...

Varshavsky studied chromatin structure and wanted to develop new methods to detect the DNA-protein interplay in intact cells. Motivated to better understand chromatin structural organization, ...

Now, for the first time, EMBL scientists have directly observed this process in high resolution under the microscope using a new chromatin ... structure can result in severe chromosome segregation ...