Much of what we know about plant circadian rhythms is the result of laboratory experiments where inputs such as light and temperature can be tightly controlled.
doi.org/10.1073/pnas.2402697121Aug 23 2024
"Our research highlights the value of international collaboration in cross-disciplinary scientific progress," said senior author Professor Antony Dodd, a group leader at the John Innes Centre. "It is fascinating to see how processes we have identified in the lab also work to influence plants under natural conditions."
In two field studies around the March and September equinoxes, they analyzed a natural population of Arabidopsis halleri plants on a rural Japanese field site. Plants are highly sensitive to red and blue light; so, to avoid influencing experimental findings, researchers wore green filters over their head torches which effectively meant that they were invisible to plants during nocturnal visits.
Based on this information, the team developed statistical models which accurately predict how gene expression activity under control of circadian clock will respond to environmental signals over a day in nature.
Gene Gene Expression Genetic Laboratory Research Signaling Pathway
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