euchromatin

[ yoo-kroh-muh-tin ]

noun

, Genetics.

1. the part of a chromosome that condenses maximally during metaphase and contains most of the genetically active material.

euchromatin

/ ˌjuːkrəʊˈmætɪk; juːˈkrəʊmətɪn /

noun

1. the part of a chromosome that constitutes the major genes and does not stain strongly with basic dyes when the cell is not dividing Compare heterochromatin

Derived Forms

• euchromatic, adjective

Other Words From

• eu·chro·mat·ic [yoo-kr, uh, -, mat, -ik], adjective

Word History and Origins

Origin of euchromatin¹

First recorded in 1930–35; eu- + chromatin

Example Sentences

Symmetric dimethylation of H3R2 is a newly identified histone mark that supports euchromatin maintenance.

From Nature

Those overlapping regions may exist in individual cells or in different cell sub-populations in embryo and L3 preparations. c, Average gene body profiles of H3K9me3 and H3K27me3 on expressed and silent genes in euchromatin and heterochromatin in human K562 cells, fly L3 and worm L3.

From Nature

Those overlapping regions may exist in individual cells or in different cell sub-populations in embryo and L3 preparations. c, Average gene body profiles of H3K9me3 and H3K27me3 on expressed and silent genes in euchromatin and heterochromatin in human K562 cells, fly L3 and worm L3.

From Nature

Unmethylated nuclease-sensitive DNA is in the “open” configuration – aka euchromatin, a state in which DNA can discharge its various roles. 

From Scientific American

The assembly covers a very large proportion of the euchromatin of the M. acuminata genome, as 99% of the set of 15,017 unigenes was recovered in the DH-Pahang genome assembly.

From Nature