The deepwater rice normally grows to about one meter (3.3 ft) tall, but can respond to flooding by quickly extending the stem several meters more. Researchers announced their findings regarding the genes SNORKEL1 and SNORKEL2 in the journal Nature, and described how the genes help regulate the signaling of ethylene response factors that help trigger growth in the rice plant. They also combined the best of rice variants by introducing the genes into non-deepwater rice that produces higher yield.