A Chinese research team has found a new gene that can improve rice's drought resistance, said a study published in Plant Biotechnology Journal, according to The Xinhua News Agency reports.
The gene OsRINGzf1 could reduce cell water loss by reducing water channels in cells, thus improving the rice plant's ability to retain water under drought conditions, said the study.
"The research team compared many rice plants grown under drought conditions with those grown under normal conditions to find the gene that regulates drought resistance", – said Liu Hongyan with the Shanghai Agrobiological Gene Center, corresponding author of the research.
"They identified OsRINGzf1 by fine-mapping chromosome 4 of the rice", – said Liu.
"The results showed that overexpression of the gene enhanced the resistance of rice to drought and salt stress, whereas deletion of the gene made rice more sensitive to drought", – said Chen Shoujun, the first author of the research.
"Under drought conditions, rice that overexpressed the gene produced over 10 percent more rice than the control group, thus reducing the yield loss caused by drought", – Chen said.
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