Characterization and mapping of LanrBo: a locus conferring anthracnose resistance in narrow-leafed lupin (Lupinus angustifolius L.)

K. Fischer, R. Dieterich, Matthew Nelson, Lars Kamphuis, Karam Singh, B. Rotter, N. Krezdorn, P. Winter, P. Wehling, B. Ruge-Wehling

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

© 2015, Springer-Verlag Berlin Heidelberg. Key message: A novel and highly effective source of anthracnose resistance in narrow-leafed lupin was identified. Resistance was shown to be governed by a single dominant locus. Molecular markers have been developed, which can be used for selecting resistant genotypes in lupin breeding. Abstract: A screening for anthracnose resistance of a set of plant genetic resources of narrow-leafed lupin (Lupinus angustifolius L.) identified the breeding line Bo7212 as being highly resistant to anthracnose (Colletotrichum lupini). Segregation analysis indicated that the resistance of Bo7212 is inherited by a single dominant locus. The corresponding resistance gene was given the designation LanrBo. Previously published molecular anchor markers allowed us to locate LanrBo on linkage group NLL-11 of narrow-leafed lupin. Using information from RNAseq data obtained with inoculated resistant vs. susceptible lupin entries as well as EST-sequence information from the model genome Lotus japonicus, additional SNP and EST markers linked to LanrBo were derived. A bracket of two LanrBo-flanking markers allows for precise marker-assisted selection of the novel resistance gene in narrow-leafed lupin breeding programs.
Original languageEnglish
Pages (from-to)2121-2130
JournalTheoretical and Applied Genetics
Volume128
Issue number10
DOIs
Publication statusPublished - 2015

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