DNA Modification & Modifying Enzymes

Explore the fascinating world of DNA modification and modifying enzymes. Discover insights, techniques, advancements, and the potential it holds for various fields, including biotechnology, medicine, and beyond.

A DNA strand being modified
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What Is DNA Methyltransferase? Definition & Functions

Methyltransferase Definition Methyltransferases are a group of enzymes that add a methyl group to their substrates. Over 95% of this group of enzymes use S-adenosylmethionine (SAM) as their methyl don...

A pair of scissors cutting through a strand of DNA.
What Are Endonucleases? Definition & Functions

What Are Endonucleases? Various enzymes are involved in tampering with DNA by breaking and forming the bonds between nucleotides. One is a nuclease, a class of enzyme that hydrolyzes the polynucleotid...

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What Is RNase? The Basics of Ribonuclease

What is RNase? RNases (or ribonucleases) are a class of hydrolytic enzymes that catalyzes both the in vivo and in vitro degradation of ribonucleic acid (RNA) molecules into smaller components. The nuc...

Different tools being used to work on a strand of DNA.
DNA Modification: Processes, Significance, & Implications

What is DNA Modification? DNA modification, also referred to as genetic modification or genetic engineering, is defined as the alteration of the genetic makeup or original genome of organisms that wou...

DNA ligase represented as a spider's web
What Is DNA Ligase? Definition & Role

DNA ligase is an enzyme that joins DNA strands through the formation of phosphodiester bonds in a process called DNA ligation. Learn more in our comprehensive article.