Journal Article Physcomitrella patens Research Support, Non-U.S. Gov't 11056-06-7 APRT AT5C31J09G Bleomycin CRISPR CRISPR-Associated Protein 9 CRISPR-Cas9 Cas9 Cisplatin DNA-Directed DNA Polymerase EC 2.7.7.7 EC 3.1.- Methyl Methanesulfonate Physcomitrium patens Q20Q21Q62J Retroelements Retrotransposon Tnt1 adenine deaminase alternative end joining (Alt-EJ) base editing cytosine deaminase gene tagging gene targeting mutant population polymerase Q (POLQ)