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Literature DB >> 16838136

Mapping of Rym16Hb, the second soil-borne virus-resistance gene introgressed from Hordeum bulbosum.

B Ruge-Wehling¹, A Linz, A Habekuss, P Wehling.

Abstract

Rym16(Hb), a gene conferring resistance to soil-borne viruses, was introgressed from Hordeum bulbosum to barley chromosome 2HL. Mechanical inoculation with BaMMV and field tests on a plot contaminated with different viruses demonstrated that Rym16(Hb) is effective against all European viruses of the soil-borne virus complex (BaMMV, BaYMV-1, -2). Genetic analysis revealed a dominant inheritance of the resistance controlled by Rym16(Hb). Using 2HL anchor markers, the size of the introgression was estimated to be about 30 M. In its proximal part, the introgression was characterized by a rearrangement of markers Xbcd266, ABC153 and ABC252, accompanied with pronounced linkage drag by factor 4 in segregating mapping populations. The introgression was found to be associated with a recessive lethality factor, l(Hb), which was closely linked to the markers mentioned above. Recombination occurring within the introgressed H. bulbosum segment allowed us to separate l(Hb) from Rym16(Hb) and to reduce the size of the introgression to 23 cM or less.

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Year: 2006 PMID： 16838136 DOI： 10.1007/s00122-006-0345-8

Source DB: PubMed Journal: Theor Appl Genet ISSN： 0040-5752 Impact factor: 5.699

14 in total

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Authors: R A Pickering
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17 in total

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6. Ryd4 (Hb): a novel resistance gene introgressed from Hordeum bulbosum into barley and conferring complete and dominant resistance to the barley yellow dwarf virus.

Authors: Margret Scholz; Brigitte Ruge-Wehling; Antje Habekuss; Otto Schrader; Galina Pendinen; Kristin Fischer; Peter Wehling
Journal: Theor Appl Genet Date: 2009-07-08 Impact factor: 5.699

7. Bulked segregant RNA-sequencing (BSR-seq) identified a novel rare allele of eIF4E effective against multiple isolates of BaYMV/BaMMV.

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Journal: Theor Appl Genet Date: 2019-02-27 Impact factor: 5.699