Bacterial insertion sequences: their genomic impact and diversity

P Siguier, E Gourbeyre… - FEMS microbiology …, 2014 - academic.oup.com
Insertion sequences (ISs), arguably the smallest and most numerous autonomous
transposable elements (TEs), are important players in shaping their host genomes. This …

Nucleases: diversity of structure, function and mechanism

W Yang - Quarterly reviews of biophysics, 2011 - cambridge.org
Nucleases cleave the phosphodiester bonds of nucleic acids and may be endo or exo,
DNase or RNase, topoisomerases, recombinases, ribozymes, or RNA splicing enzymes. In …

Transposon-associated TnpB is a programmable RNA-guided DNA endonuclease

T Karvelis, G Druteika, G Bigelyte, K Budre… - Nature, 2021 - nature.com
Transposition has a key role in reshaping genomes of all living organisms. Insertion
sequences of IS200/IS605 and IS607 families are among the simplest mobile genetic …

Programmed DNA destruction by miniature CRISPR-Cas14 enzymes

LB Harrington, D Burstein, JS Chen, D Paez-Espino… - Science, 2018 - science.org
CRISPR-Cas systems provide microbes with adaptive immunity to infectious nucleic acids
and are widely employed as genome editing tools. These tools use RNA-guided Cas …

Bridge RNAs direct programmable recombination of target and donor DNA

MG Durrant, NT Perry, JJ Pai, AR Jangid… - Nature, 2024 - nature.com
Genomic rearrangements, encompassing mutational changes in the genome such as
insertions, deletions or inversions, are essential for genetic diversity. These rearrangements …

RNA-guided DNA insertion with CRISPR-associated transposases

J Strecker, A Ladha, Z Gardner, JL Schmid-Burgk… - Science, 2019 - science.org
CRISPR-Cas nucleases are powerful tools for manipulating nucleic acids; however, targeted
insertion of DNA remains a challenge, as it requires host cell repair machinery. Here we …

Evolutionary mining and functional characterization of TnpB nucleases identify efficient miniature genome editors

G Xiang, Y Li, J Sun, Y Huo, S Cao, Y Cao, Y Guo… - Nature …, 2024 - nature.com
As the evolutionary ancestor of Cas12 nuclease, the transposon (IS200/IS605)-encoded
TnpB proteins act as compact RNA-guided DNA endonucleases. To explore their …

Transposon-encoded nucleases use guide RNAs to promote their selfish spread

C Meers, HC Le, SR Pesari, FT Hoffmann… - Nature, 2023 - nature.com
Insertion sequences are compact and pervasive transposable elements found in bacteria,
which encode only the genes necessary for their mobilization and maintenance. IS200-and …

Breaking and joining single-stranded DNA: the HUH endonuclease superfamily

M Chandler, F De La Cruz, F Dyda… - Nature Reviews …, 2013 - nature.com
HUH endonucleases are numerous and widespread in all three domains of life. The major
function of these enzymes is processing a range of mobile genetic elements by catalysing …

Everyman's guide to bacterial insertion sequences

P Siguier, E Gourbeyre, A Varani, B Ton-Hoang… - Mobile DNA …, 2015 - Wiley Online Library
We have divided this review into two major sections. In one, we have attempted to present
an overview of our current understanding of prokaryotic insertion sequences (IS), their …