Erratum to: Planta DOI 10.1007/s00425-012-1654-6

In the online publication, the legends of Figs. 3 and 4 were incorrect. The authors regret these errors and the correct version of legends is given below.

Fig. 3 HPLC analysis of carotenoids extracted from β-carotene-producing E. coli (a), β-carotene-producing E. coli expressing bkt from Chlorococcum sp. (b), S. oocystiformis (c), P. botryoides (d), N. wimmeri (e) and C. reinhardtii (f). Retention times and identified carotenoids of peaks 1 19.8 min, β-carotene; 2 17 min, echeninon; 3 13 min, canthaxanthin

Fig. 4 HPLC analysis of carotenoids extracted from zeaxanthin-producing E. coli (a), zeaxanthin-producing E. coli expressing bkt from Chlorococcum sp. (b), S. oocystiformis (c), P. botryoides (d), N. wimmeri (e) and C. reinhardtii (f). Retention times and identified carotenoids of peaks 1 11.8 min, zeaxanthin; 2 11 min, adonixanthin; 3 10 min, astaxanthin