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GrainGenes Reference Report: EUP-91-59

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Reference	EUP-91-59
Title	Characterization of wheat-alien translocations conferring resistance to diseases and pests: current status.
Journal	Euphytica
Year	1996
Volume	91
Pages	59-87
Author	Friebe B Jiang J Raupp WJ McIntosh RA Gill BS
Abstract	Wild relatives of common wheat, Triticum aestivum, and related species are an important source of disease and pest resistance and several useful traits have been transferred from these species to wheat. C-banding and in situ hybridization analyses are powerful cytological techniques allowing the detection of alien chromatin in wheat. C-banding permits identification of the wheat and alien chromosomes involved in wheat-alien translocations, whereas genomic in situ hybridization analysis allows determination of their size and breakpoint positions. The present review summarizes the available data on wheat-alien transfers conferring resistance to diseases and pests. Ten of the 57 spontaneous and induced wheat-alien translocations were identified as whole arm translocations with the breakpoints within the centromeric regions. The majority of transfers (45) were identified as terminal translocations with distal alien segments translocated to wheat chromosome arms. Only two intercalary wheat-alien transloctions were identified, one induced by radiation treatment with a small segment of rye chromosome 6RL (H25) inserted into the long arm of wheat chromosome 4A, and the other probably induced by homoeologous recombination with a segment derived from the long arm of a group 7 Agropyron elongatum chromosome with Lr19 inserted into the long arm of 7D. The presented information should be useful for further directed chromosome engineering aimed at producing superior germplasm.
External Databases	https://doi.org/10.1007/BF00035277
Gene	Sr1RS^Amigo^ (Triticum)
Keyword	C-banding in situ hybridization resistance Triticum aestivum wheat-alien translocation
Image	[ Hide all but 1 of 29 ] C-bands and GISH for Gb2/Pm17 C-bands and GISH for Gb5 C-bands and GISH for Gb6 C-bands and GISH for H25 C-bands and GISH for Lr19/Sr25 C-bands and GISH for Lr24/Sr24 C-bands and GISH for Lr25/Pm7 C-bands and GISH for Lr38 C-bands and GISH for Lr45 C-bands and GISH for Lr9 C-bands and GISH for Sr26 C-bands and GISH for Sr27 C-bands and GISH for Wsm1 C-bands and GISH for WSMR C-bands for Cmc2 C-bands for H21 C-bands for Lr18 C-bands for Lr26/Sr31/Yr9/Pm8 C-bands for Lr28 C-bands for Lr29 C-bands for Lr35/Sr39 C-bands for Pm13 C-bands for Pm20 C-bands for Sr32 C-bands for Sr36/Pm6 C-bands for Sr37 C-bands for Sr40 C-bands for Sr44 and BYDR C-bands for Yr8/Sr34

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