Resilience of DNA chains to molecular fracture after PCR heating cycles and implications on PCR reliability – EXPRESSION OF CONCERN

The Editor in Chief wishes to alert readers about limitations and concerns regarding the above article.Whilst the Editor in Chief still considers the article to provide a valuable contribution to the scientific discourse from a historical perspective, readers should be aware that some of the claims made in the article may not reflect current understanding of PCR DNA amplification.The authors have clearly set out to review older studies and have shone a light on some important concerns