Histone

Part of speech: noun

Pronunciation: /ˈhɪstəʊn/

Definitions

1. Proteins located within cell nuclei that assist in the organization and compaction of DNA for replication and gene regulation
2. Structural proteins that enable the formation of nucleosomes and are vital for the management of genetic material within the cell
3. Proteins found in the cell nucleus that play a crucial role in the packaging, stabilization, and regulation of genetic material during processes such as DNA replication and transcription

Etymology: Its origin is uncertain: it may come from the Ancient Greek "hístēmi," meaning "make stand," or from "histós," meaning "loom," and either reading suits a protein that holds the DNA strands in place like threads on a frame. Because it was a scientific coinage rather than an ancient term, no Greek or Roman writer ever used it. The Greek roots were simply raided to name a newly discovered class of molecules, and the Greek sense of standing or weaving was chosen by scientists in the late nineteenth century.

Synonyms: protein