Genome-wide identification of GDPD gene family in foxtail millet (Setaria italica L.) and functional characterization of SiGDPD14 under low phosphorus stress
Chaomin Meng, Haojie Guo, Cheng Wang, Furong Yang, Bing Du
TL;DR
This study identifies and characterizes GDPD genes in foxtail millet, focusing on SiGDPD14's role in helping plants tolerate low phosphorus stress.
Contribution
The study provides the first genome-wide analysis of GDPD genes in foxtail millet and identifies SiGDPD14 as a key gene for phosphorus stress tolerance.
Findings
Fourteen SiGDPD genes were identified and categorized into five phylogenetic groups.
SiGDPD14 overexpression in Arabidopsis enhanced tolerance to low phosphorus stress.
SiGDPD3 and SiGDPD14 showed increased expression under low phosphorus conditions.
Abstract
Glycerophosphodiester phosphodiesterase (GDPD) catalyzes the hydrolysis of glycerophosphodiesters into sn-glycerol-3-phosphate (G-3-P) and corresponding alcohols, which is integral to various physiological processes in plants. However, our comprehension of the GDPD gene family in foxtail millet (Setaria italica L.) remains limited and unclear. This study aimed to identify and predict the function of GDPD gene family members in foxtail millet through a comprehensive genome-wide analysis.14 SiGDPD genes were identified in the foxtail millet genome. Phylogenetic analysis categorized SiGDPD proteins into five groups. Promoter regions of SiGDPD genes contained multiple cis-acting elements related to light response, hormone regulation, and stress response. Phylogenetic and collinearity analyses demonstrated conservation of GDPD proteins among foxtail millet, sorghum, rice, and maize, with the…
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Taxonomy
TopicsPlant nutrient uptake and metabolism · Metabolism, Diabetes, and Cancer · Plant Micronutrient Interactions and Effects