Related Experiment Video
Updated: Aug 30, 2026

Analysis of Histone Antibody Specificity with Peptide Microarrays
Published on: August 1, 2017
The role of non-chromosomal histones in the host defense system
1Center for Experimental Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan. kanai@chojuken.net
Abstract:
Histone H1 is located at the inter-nucleosome and more correctly at both ends of the double-stranded DNA that protrude from the nucleosome unit. It has long been recognized to be localized only inside the nuclei as a constituent for packaging nucleosome into chromatin. Thus, it could be hardly believed that detatched or solubilized histone H1 plays the role of a host defense molecule. Given the old reports on histone-like basic proteins that show bacteriostatic functions, I herein chose some recent related articles and tried review them. Recent advances in research on the cell death mechanism makes it possible to understand that programmed cell death, (i.e. apoptosis) could serve as a good source of soluble histones. Some forms of them are highly probable to be bacteriostatic.
Related Concept Videos
Histone Modification
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone deacetylase,...
Histone Modification
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone deacetylase,...
Antigens Involved in Adaptive Immunity
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.
The Nucleosome Core Particle
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
The Nucleosome Core Particle
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
Cells of the Innate Immune Response
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...

