Open Access Highly Accessed Research article

Association genetics in Solanum tuberosum provides new insights into potato tuber bruising and enzymatic tissue discoloration

Claude Urbany1*, Benjamin Stich1, Lysann Schmidt1, Ludwig Simon2, Hergen Berding3, Holger Junghans4, Karl-Heinz Niehoff5, Alexander Braun6, Eckhard Tacke7, Hans-Rheinhardt Hofferbert8, Jens Lübeck9, Josef Strahwald9 and Christiane Gebhardt1

Author Affiliations

1 Max Planck Institute for Plant Breeding Research, 50829 Cologne; Germany

2 Bavaria Saat BGB GmbH, 86529 Schrobenhausen; Germany

3 Saatzucht Berding, 26345 Bockhorn-Petersgroden; Germany

4 NORIKA, 18190 Groß Lüsewitz; Germany

5 Dr. K.-H. Niehoff, Gut Bütow, 17209 Bütow; Germany

6 Böhm-Nordkartoffel Agrarproduktion OHG, 84085 Langquaid; Germany

7 BIOPLANT GmbH, 29547 Ebstorf; Germany

8 Böhm-Nordkartoffel Agrarproduktion GbR, 29574 Ebstorf; Germany

9 Saka-Pflanzenzucht G.b.R., 24340 Windeby; Germany

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BMC Genomics 2011, 12:7  doi:10.1186/1471-2164-12-7

Published: 5 January 2011

Additional files

Additional file 1:

Genotype and sample identification with the corresponding breeder/distributor affiliation.

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Additional file 2:

Marker trait associations in the ALL population (P < 0.01).

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Additional file 3:

Locus and marker information.

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Additional file 4:

Electrophoresis band distribution and identification of significant markers at P < 0.001. In the case of SSR and DALP markers gel pictures show the band pattern and distribution of the corresponding marker fragments. Polymorphic bands are labelled as described in Additional table 3 and listed with their respective size in basepairs. SSRs were analyzed according to the procedures given in the methods section. DALP markers were separated on agarose gels. SSCP analysis was carried out as described elsewhere [36] Exemplary panes show fragment distribution and labelling. Allele ID is according to Additional table 3. The size of polymorphic SSCP fragments was not determined. Legend - (A) StI013; (B) StI024; (C) SSR327; (D) POLOXA; (E) PHO1A; (F) PHO1B-1; (G) LIPIII-27-1; (H) POT32PS1-Hpy; (I) 4CL-1; (J); 4CL-2; (K) HQT; (L); GLDH. Significant marker-trait associations are indicated by the specific trait abbreviation: bruising susceptibility (BI), specific gravity (SG), starch corrected bruising (SCB), and tuber yield (TY).

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Additional file 5:

Experimental design of the field experiments and data evaluation. Breeders are listed with their corresponding abbreviation. They cultivated and evaluated the common set of 85 potato varieties in two consecutive years (2007/2008) for bruising susceptibility (BI), specific gravity (SG), tuber shape (TS), tuber yield (TY), starch corrected bruising (SCB) and plant maturity (PM). In addition each breeder evaluated 20 own breeding clones, selected based on a specific gravity below 20 percent, a balanced tuber shape, no extreme maturity phenotype, not being closely related, and one half each having a high or a low bruising phenotype.

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Additional file 6:

SSR marker information.

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