[1] Oak Ridge Natl Lab, DOE Ctr Bioenergy Innovat, Biosci Div, Oak Ridge, TN 37831 USA
[2] Univ Tennessee, Bredesen Ctr Interdisciplinary Interdisciplinary, Knoxville, TN 37996 USA
[3] Lawrence Berkeley Natl Lab, Div Environm Genom & Syst Biol, Mol Ecosyst Biol Dept, Berkeley, CA 94720 USA
[4] Univ Cambridge, Dept Plant Sci, Cambridge CB2 3EA, England
[5] Univ Tennessee, Dept Psychol, Knoxville, TN 37996 USA
[6] Univ Tuscia, Dept Innovat Biol Agrofood & Forest Syst, I-01100 Viterbo, VT, Italy