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Spatial patterns of adenylate kinase, catalase, endopeptidase and fructose-1,6-diphosphatase encoding genes allelic variation in Aegilops tauschii Coss.

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Abstract

Investigation of spatial patterns of adenylate kinase, catalase, endopeptidase and fructose-1,6-diphosphatase encoding genes (Ak, Cat1, Cat2, Ep, Fdp) allelic variation in Aegilops tauschii was carried out. About 300 accessions, representing all the species range were taken for the study. Cat2 and Fdp loci are completely monomorphic in ssp. strangulata and in the western part of ssp. tauschii range, as well. Both Cat2 and Fdp are highly polymorphic in the eastern part of ssp. tauschii range, with the patterns of this polymorphism being discordant in these two loci. Ak 108, a rare allele with sporadical spatial occurrence, was found in ssp. tauschii only. On the contrary, Ak 92 is absent in ssp. tauschii: it is the most common Ak allele in ssp. strangulata in Precaspian Iran, the most moist part of the area, and is very rare in other parts of ssp. strangulata area. Ep is a highly polymorphic locus with the highest level of variation in the west of Ae. tauschii area, where this species had originated. Ep allele variation patterns are rather similar in ssp. tauschii and ssp. strangulata. The data reveal the adaptive nature of Ak, Cat2, and Fdp allele variation, while Ep polymorphism seems to be mostly neutral.

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  1. Institute of Cytology and Genetics, 630090, Novosibirsk, Russia

    Alexander Ju. Dudnikov

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  1. Alexander Ju. Dudnikov
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Correspondence to Alexander Ju. Dudnikov.

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Dudnikov, A.J. Spatial patterns of adenylate kinase, catalase, endopeptidase and fructose-1,6-diphosphatase encoding genes allelic variation in Aegilops tauschii Coss.. Genet Resour Crop Evol 59, 1–8 (2012). https://doi.org/10.1007/s10722-011-9659-8

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  • DOI: https://doi.org/10.1007/s10722-011-9659-8

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