Early response mechanisms to P deficiency
Improving phosphorus (P) nutrient efficiency in Lolium perenne (perennial ryegrass) is likely to result in considerable economic and ecological benefits. Byrne et al. employ a 44K barley microarray to study gene expression in Lolium and the results are combined with a metabolic profiling study. Utilization of glycolytic bypasses, remodelling of lipid membranes and P-scavenging are indicated as early response mechanisms to P deficiency.
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