Assertion: serine's role | /r/HasProperty | evolving area of research
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text: The role of serotonin during plant stress is an evolving area of research that has for a long time been overshadowed by serotonin's biosynthetic neighbor melatonin, a compound that has shown to be beneficial in protecting plants against environmental stressors including: cold, salt, drought, oxidative, heavy metal, and pathogen attack .