Substitutions of short heterologous DNA segments of intragenomic or extragenomic origins produce clustered genomic polymorphisms.

Author(s): Harms K, Lunnan A, Hülter N, Mourier T, Vinner L, Andam CP, Marttinen P, Fridholm H, Hansen AJ, Hanage WP, Nielsen KM, Willerslev E, Johnsen PJJournal: Proc Natl Acad Sci U S APMID: 27956618 December 2016
In a screen for unexplained mutation events we identified a previously unrecognized mechanism generating clustered DNA polymorphisms such as microindels…

Comprehensive identification of single nucleotide polymorphisms associated with beta-lactam resistance within pneumococcal mosaic genes.

Author(s): Chewapreecha C, Marttinen P, Croucher NJ, Salter SJ, Harris SR, Mather AE, Hanage WP, Goldblatt D, Nosten FH, Turner C, Turner P, Bentley SD, Parkhill JJournal: PLoS GenetPMID: 25101644 August 2014
Traditional genetic association studies are very difficult in bacteria, as the generally limited recombination leads to large linked haplotype blocks,…

Cryptic ecology among host generalist Campylobacter jejuni in domestic animals.

Author(s): Sheppard SK, Cheng L, Méric G, de Haan CP, Llarena AK, Marttinen P, Vidal A, Ridley A, Clifton-Hadley F, Connor TR, Strachan NJ, Forbes K, Colles FM, Jolley KA, Bentley SD, Maiden MC, Hänninen ML, Parkhill J, Hanage WP, Corander JJournal: Mol EcolPMID: 24689900 May 2014
Homologous recombination between bacterial strains is theoretically capable of preventing the separation of daughter clusters, and producing cohesive clouds of…