Chrysanthemum MADS-box transcription factor CmANR1 modulates lateral root development via homo-/heterodimerization to influence auxin accumulation in Arabidopsis

Sun, Chuanqing; Yu, Jian‐Qiang; Wen, Liangzhi; Guo, Yunhui; Sun, Xihuan; Hao, Yu‐Jin; D, Hu; Zheng, Chengchao

doi:10.1016/j.plantsci.2017.09.017

Cited by 50 publications

(48 citation statements)

References 75 publications

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“…MADS-box TFs control plants root, ower and fruit development [61,62]. Previous study has shown that AGL21 is induced by N-deprivation, and auxin also promotes AGL21, while AGL21 proteins interact with ANR1 (AGL44) to mediate LRs development [63,64]. In the present study, 12 MADS-box protein genes were down-regulated under LN treatment.…”

Section: Plant Hormone Metabolism and Signaling Pathwayssupporting

confidence: 48%

A novel insight into nitrogen and auxin signaling in lateral root formation in tea plant [Camellia sinensis (L.) O. Kuntze]

Zhang

Yang

et al. 2020

Preprint

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Background Tea plant (Camellia sinensis) is one of the most popular non-alcoholic beverage worldwide. Lateral roots (LRs) of tea plant are the main organ used for tea plant to absorb soil moisture and nutrients. Lateral roots formation and development are tightly regulated by the nitrogen and auxin signaling pathway. In order to understand the function of auxin and nitrogen signaling in LRs formation and development, transcriptome analysis was applied to investigate the differentially expressed genes involved in lateral roots of tea plants treated with indole-3-butyric acid (IBA), N-1-naphthylphthalamic acid (NPA), low and high nitrogen concentration. Results A total of 296 common differentially expressed genes were mainly identified and annotated to four signaling pathways, such as nitrogen metabolism, plant hormone signal transduction, Glutathione metabolism and transcription factors. RNA-sequencing results revealed that majority of differentially expressed genes play important roles in nitrogen metabolism and hormonal signal transduction. Low nitrogen condition induced the biosynthesis of auxin and accumulation of transcripts, thereby regulating lateral roots formation. Furthermore, metabolism of cytokinin and ethylene biosynthesis were also involved in lateral roots development. Transcription factors like MYB genes also contributed to the lateral roots formation of tea plants through secondary cell wall biosynthesis. Reversed phase ultra performance liquid chromatography (RP-UPLC) results showed that the auxin concentration in lateral roots was increased, while the nitrogen level decreased. Thus, tea plant lateral roots formation could be induced by low nitrogen concentration via auxin biosynthesis and accumulation. Conclusion This study provides new insights into the mechanisms associated with nitrogen and auxin signaling pathways to regulate LRs formation and arises new clues for the efficient utilization of nitrogen in tea plant at the genetic level.

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Section: Plant Hormone Metabolism and Signaling Pathwayssupporting

confidence: 48%

A novel insight into nitrogen and auxin signaling in lateral root formation in tea plant [Camellia sinensis (L.) O. Kuntze]

Zhang

Yang

et al. 2020

Preprint

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“…The OE of CmANR1 in Arabidopsis also affects free indoleacetic acid levels mainly in the tips of LRs, and it regulates genes that participate in local auxin biosynthesis, auxin polar transport, calcium ion signaling, ethylene biosynthesis and cell‐cycle‐related processes (Fig. ; Sun et al ., , b). The OE of CmANR1 in Chrysanthemum also affects the development of adventitious and LRs (Sun et al ., ).…”

Section: Mads‐box Genes In Lateral Root Developmentmentioning

confidence: 99%

MADS‐box genes underground becoming mainstream: plant root developmental mechanisms

et al. 2019

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Summary Plant growth is largely post‐embryonic and depends on meristems that are active throughout the lifespan of an individual. Developmental patterns rely on the coordinated spatio‐temporal expression of different genes, and the activity of transcription factors is particularly important during most morphogenetic processes. MADS‐box genes constitute a transcription factor family in eukaryotes. In Arabidopsis, their proteins participate in all major aspects of shoot development, but their role in root development is still not well characterized. In this review we synthetize current knowledge pertaining to the function of MADS‐box genes highly expressed in roots: XAL1, XAL2, ANR1 and AGL21, as well as available data for other MADS‐box genes expressed in this organ. The role of Trithorax group and Polycomb group complexes on MADS‐box genes’ epigenetic regulation is also discussed. We argue that understanding the role of MADS‐box genes in root development of species with contrasting architectures is still a challenge. Finally, we propose that MADS‐box genes are key components of the gene regulatory networks that underlie various gene expression patterns, each one associated with the distinct developmental fates observed in the root. In the case of XAL1 and XAL2, their role within these networks could be mediated by regulatory feedbacks with auxin.

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“…All ABCDE genes are MIKC-type MADS genes except for AP2 and determine the identities of the floral organs: sepals (A þ E), petals (A þ B þ E), stamens (B þ C þ E), carpels (C þ E) and ovules (D þ E) [2,9,14]. Besides the roles in floral organ identity, plant MIKC-type MADS-box genes play crucial roles in other growth and development processes, including flowering [15][16][17][18][19][20], fruit development and ripening [21][22][23], seed development [24,25] and development of vegetative organs including root [26][27][28][29], leaf [30,31] and shoot [32], as well as dormancy [33,34] and stress responses [35][36][37].…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of a MADS-box gene in cucumber (Cucumis sativus L.) that affects flowering time and leaf morphology in transgenic Arabidopsis

Zhou

Song

et al. 2019

Biotechnology & Biotechnological Equipment

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Chrysanthemum MADS-box transcription factor CmANR1 modulates lateral root development via homo-/heterodimerization to influence auxin accumulation in Arabidopsis

Cited by 50 publications

References 75 publications

A novel insight into nitrogen and auxin signaling in lateral root formation in tea plant [Camellia sinensis (L.) O. Kuntze]

A novel insight into nitrogen and auxin signaling in lateral root formation in tea plant [Camellia sinensis (L.) O. Kuntze]

MADS‐box genes underground becoming mainstream: plant root developmental mechanisms

Isolation and characterization of a MADS-box gene in cucumber (Cucumis sativus L.) that affects flowering time and leaf morphology in transgenic Arabidopsis

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