The Binding of Methyl Mercury and DNA

Michael Morris Rosbash

doi:10.7907/txmk-kh30

August 13, 2026Open Access

The Binding of Methyl Mercury and DNA

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Key Points

Develop quantitative methodologies to measure methyl mercury (CH3Hg+) and characterize its binding interactions with native and denatured DNA.
Developed a quantitative analytical method to detect and measure methyl mercury (CH3Hg+).
Established a quantitative binding assay to evaluate the interaction of CH3Hg+ with native and denatured DNA across increasing CH3Hg+ concentrations.
Methyl mercury binds to DNA in a concentration-dependent manner, with the bound [CH3Hg+]/[DNA] ratio reaching a maximum plateau as [CH3Hg+] increases.
A greater quantity of methyl mercury binds to denatured DNA compared to native double-stranded DNA.

Implication

In vitro assay reveals methyl mercury binding to DNA with concentration saturation, indicating higher affinity for denatured over native DNA.

Abstract

A method for the quantitative measurement of methyl mercury (CH3Hg+) was developed in addition to a method for the quantitative study of the binding of CH3Hg+ to DNA. Preliminary results seem to indicate that CH3Hg+ binds to DNA; [CH3Hg+]/[DNA] bound reaches a maximum as [CH3Hg+] is increased. It also appears that more CH3Hg+ is bound to denatured DNA than to native DNA.

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Cite This Study

Michael Morris Rosbash (2026) studied this question.

synapsesocial.com/papers/6a8019a975c2e31742c85aa2 https://doi.org/10.7907/txmk-kh30

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The Binding of Methyl Mercury and DNA

Key Points

Implication

Abstract

Discussion

Cite This Study

The Binding of Methyl Mercury and DNA

Key Points

Implication

Abstract

Discussion

Cite This Study

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