Rapid gene isolation in barley and wheat by mutant chromosome sequencing

Javier Sánchez-Martín, Burkhard Steuernagel, Sreya Ghosh, Gerhard Herren, Severine Hurni, Nikolai Adamski, Jan Vrána, Marie Kubaláková, Simon G. Krattinger, Thomas Wicker, Jaroslav Doležel, Beat Keller, Brande B.H. Wulff

Research output: Contribution to journalArticlepeer-review

225 Scopus citations


Identification of causal mutations in barley and wheat is hampered by their large genomes and suppressed recombination. To overcome these obstacles, we have developed MutChromSeq, a complexity reduction approach based on flow sorting and sequencing of mutant chromosomes, to identify induced mutations by comparison to parental chromosomes. We apply MutChromSeq to six mutants each of the barley Eceriferum-q gene and the wheat Pm2 genes. This approach unambiguously identified single candidate genes that were verified by Sanger sequencing of additional mutants. MutChromSeq enables reference-free forward genetics in barley and wheat, thus opening up their pan-genomes to functional genomics.
Original languageEnglish (US)
JournalGenome biology
Issue number1
StatePublished - Oct 31 2016
Externally publishedYes

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