Genome-wide mapping of heteroduplex DNA (a recombination intermediate) formed during mitotic recombination in yeast demonstrates that the "classical" model of double-strand DNA break repair is inadequate to explain several aspects of mitotic recombination.

The role of the bacterial protein RadA in homologous recombination – a DNA repair pathway vital to all cells – is defined.

A DNA–protein complex can find target sequences of bases in another DNA molecule by sliding along it.

To maintain genomic integrity during oocyte development, the tumor suppressor BRCA1/BRC-1 and the SMC-5/6 complex both repress intersister crossover recombination events while BRCA1/BRC-1 also specifically inhibits error prone repair of DNA breaks during meiotic prophase I.

Biochemical analysis in Xenopus egg extracts reveals that the MutSα mismatch sensor retains the DNA-bound replication clamp to maintain a post-replicative temporal window permissive to strand-specific repair of mismatches.

DNA uptake and recombination in pneumococcus are highly efficient and independent of the cell-cycle or genetic location of the transformed allele, but limited to maximally 50% of the population.

Heterozygosity changes the balance between interfering and non-interfering crossovers during Arabidopsis meiosis.

The Srs2 helicase functions in Synthesis-Dependent Strand Annealing to avoid crossover formation during homologous recombination by disrupting D-loops that are extended by DNA polymerase delta in an ATP-dependent and direction-specific manner.

Generation of the anti-viral second messenger cyclic oligoadenylate by type III CRISPR systems is tightly controlled in response to viral RNA load and sequence.

Intra- and intergenic deletions by repeat recombination broaden the mutagenic potential of the activation induced cytidine deaminase (AID) protein.