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. 2009 Apr 20;60(9):2665–2676. doi: 10.1093/jxb/erp111

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© 2009 The Author(s).

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

This paper is available online free of all access charges (see http://jxb.oxfordjournals.org/open_access.html for further details)

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Fig. 7. — Expression of HaPTR genes of Hakea actites in hydroponically grown (A, B) and field-grown plants (D). (C) Expression ratio of HaPTR genes in nutrient-starved (A) versus N-resupplied plants with protein as the N source (B). Expression levels of mRNA were determined with quantitative real-time PCR and standardized against 18 rRNA. Data are averages ±SD of 5–11 replicate samples in field-grown plants and three replicates in hydroponically grown plants. Field-grown plants were collected in heathland habitat. Hydroponically grown plants were cultivated in the glasshouse under nutrient starvation for 7 months and resupplied for 3 d with protein.