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The European Arabidopsis Stock Centre

McKay RI lines

Donated by

  • John McKay Department of Bioorganic Chemistry, Max-Planck-Institut für Chemische Ökologie

Click here to view all 341 of these lines.


McKay RI lines

Collection of 341 recombinant inbred lines (RILs) generated from the reciprocal cross between the accessions Kashmir (Kas-1 = N903) and Tsushima (Tsu-1= N1640) which are opposite extremes for water use efficiency and climate at collection sites for these accessions differs greatly. RILs were advanced to the F9 generation via single seed descent without any intentional selection and genotyped using 48 microsatellites and 55 SNPs for a total of 103 markers. Leaf water content, d13C, and transpiration rate were analyzed in this mapping population, showing large variation in whole-plant physiology and water use efficiency. RIL mapping data is available.


The lines are available to order individually or as a complete set (N97026):

Nasc code Description Stock contents
N97026 Complete set of 341 recombinant inbred (RI) lines View set contents


  • McKay, J.K. et al. 2008. Genetics of drought adaptation in Arabidopsis thaliana II. QTL analysis of a new mapping population, KAS-1 x TSU-1. Evolution 62(12):3014-26. PMID: 18691264.