Dataset Information

Identification and exploration of the GRF and GIF families in maize and foxtail millet.

ABSTRACT: Plant growth and development are dependent on complex regulatory networks to adapt various environments. The growth regulatory factor (GRF) and GRF-interacting factor (GIF) families have been shown to control growth in various plant species. There are growing evidences that GRFs and GIFs can improve crop genetic transformation efficiency. In this study, we identified and classified 17 ZmGRFs, 10 SiGRFs, 4 ZmGIFs and 3 SiGIFs in maize (Zea mays L.) and foxtail millet (Setaria italica L.) using updated genome data. Many ABREs (Abscisic Acid-responsive elements) were present in the promoter regions of GRFs by analysis, and the expression levels of ZmGRF4, 9, 12, 14 and ZmGIF2 were associated with the Abscisic Acid (ABA) response. Furthermore, ZmGRF9 showed collinearity with AtGRF5 between Arabidopsis and maize. ZmGRF9 conservatively interacts with ZmGIF 2, 3, and 4. As a result, we systematically identified GRF and GIF family members, analyzed the regulatory network, and found that exogenous ABA inhibited the expression of GRFs, regulating responses to stress in the environment.

Supplementary information

The online version contains supplementary material available at 10.1007/s12298-022-01234-z.

SUBMITTER: Qin L

PROVIDER: S-EPMC9636355 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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Identification and exploration of the GRF and GIF families in maize and foxtail millet.

Qin Lei L Chen Huafeng H Wu Qingfei Q Wang Xianglan X

Physiology and molecular biology of plants : an international journal of functional plant biology 20220901 9

Plant growth and development are dependent on complex regulatory networks to adapt various environments. The growth regulatory factor (GRF) and GRF-interacting factor (GIF) families have been shown to control growth in various plant species. There are growing evidences that GRFs and GIFs can improve crop genetic transformation efficiency. In this study, we identified and classified 17 ZmGRFs, 10 SiGRFs, 4 ZmGIFs and 3 SiGIFs in maize (Zea mays L.) ...[more]

PMID: 36387975

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Project description:IntroductionNicosulfuron is the leading acetolactate synthase inhibitor herbicide product, and widely used to control gramineous weeds. Here, we investigated the metabolic process of nicosulfuron into foxtail millet and maize, in order to clarify the mechanism of the difference in sensitivity of foxtail millet and maize to nicosulfuron from the perspective of physiological metabolism and provide a theoretical basis for the breeding of nicosulfuron-resistant foxtail millet varieties.MethodsWe treated foxtail millet (Zhangzagu 10, Jingu 21) and maize (Nongda 108, Ditian 8) with various doses of nicosulfuron in both pot and field experiments. The malonaldehyde (MDA) content, target enzymes, detoxification enzymes, and antioxidant enzymes, as well as related gene expression levels in the leaf tissues of foxtail millet and maize were measured, and the yield was determined after maturity.ResultsThe results showed that the recommended dose of nicosulfuron caused Zhangzagu 10 and Jingu 21 to fail to harvest; the yield of the sensitive maize variety (Ditian 8) decreased by 37.09%, whereas that of the resistant maize variety (Nongda 108) did not decrease. Nicosulfuron stress increased the CYP450 enzyme activity, MDA content, and antioxidant enzyme activity of foxtail millet and maize, reduced the acetolactate synthase (ALS) activity and ALS gene expression of foxtail millet and Ditian 8, and reduced the glutathione S-transferase (GST) activity and GST gene expression of foxtail millet. In conclusion, target enzymes, detoxification enzymes, and antioxidant enzymes were involved in the detoxification metabolism of nicosulfuron in plants. ALS and GST are the main factors responsible for the metabolic differences among foxtail millet, sensitive maize varieties, and resistant maize varieties.DiscussionThese findings offer valuable insights for exploring the target resistance (TSR) and non-target resistance (NTSR) mechanisms in foxtail millet under herbicide stress and provides theoretical basis for future research of develop foxtail millet germplasm with diverse herbicide resistance traits.

Dataset Information

Identification and exploration of the GRF and GIF families in maize and foxtail millet.

Supplementary information

Publications

Identification and exploration of the GRF and GIF families in maize and foxtail millet.

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