biostudies-literatureUnknown5(9)Hayes KR<h4>Background</h4>Plant diurnal rhythms are vital environmental adaptations to coordinate internal physiological responses to alternating day-night cycles. A comprehensive view of diurnal biology has been lacking for maize (Zea mays), a major world crop.<h4>Methodology</h4>A photosynthetic tissue, the leaf, and a non-photosynthetic tissue, the developing ear, were sampled under natural field conditions. Genome-wide transcript profiling was conducted on a high-density 105 K Agilent microarray to investigate diurnal rhythms.<h4>Conclusions</h4>In both leaves and ears, the core oscillators were intact and diurnally cycling. Maize core oscillator genes are found to be largely conserved with their Arabidopsis counterparts. Diurnal gene regulation occurs in leaves, with some 23% of expressed trPloS onee12887https://www.ebi.ac.uk/biostudies/studies/S-EPMC2944807biostudies-literatureMaize global transcriptomics reveals pervasive leaf diurnal rhythms but rhythms in developing ears are largely limited to the core oscillator.PMC2944807Simmons CRHayes KRHabben JEBeatty MDanilevskaya ONMeng XfalseMaize global transcriptomics reveals pervasive leaf diurnal rhythms but rhythms in developing ears are largely limited to the core oscillator.<h4>Background</h4>Plant diurnal rhythms are vital environmental adaptations to coordinate internal physiological responses to alternating day-night cycles. A comprehensive view of diurnal biology has been lacking for maize (Zea mays), a major world crop.<h4>Methodology</h4>A photosynthetic tissue, the leaf, and a non-photosynthetic tissue, the developing ear, were sampled under natural field conditions. Genome-wide transcript profiling was conducted on a high-density 105 K Agilent microarray to investigate diurnal rhythms.<h4>Conclusions</h4>In both leaves and ears, the core oscillators were intact and diurnally cycling. Maize core oscillator genes are found to be largely conserved with their Arabidopsis counterparts. Diurnal gene regulation occurs in leaves, with some 23% of expressed tr2010-01-01T00:00:00Z2010 Sep2026-04-07T22:07:26.264Z2019-03-26T23:10:20ZS-EPMC29448072088610210.1371/journal.pone.0012887