The circadian clock rephases during lateral root organ initiation in Arabidopsis thaliana. Voss, U., Wilson, M. H., Kenobi, K., Gould, P. D., Robertson, F. C., Peer, W. A., Lucas, M., Swarup, K., Casimiro, I., Holman, T. J., Wells, D. M., Peret, B., Goh, T., Fukaki, H., Hodgman, T. C., Laplaze, L., Halliday, K. J., Ljung, K., Murphy, A. S., Hall, A. J., Webb, A. A., & Bennett, M. J. Nat Commun, 6(1):7641, July, 2015. Edition: 2015/07/07![The circadian clock rephases during lateral root organ initiation in Arabidopsis thaliana [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The endogenous circadian clock enables organisms to adapt their growth and development to environmental changes. Here we describe how the circadian clock is employed to coordinate responses to the key signal auxin during lateral root (LR) emergence. In the model plant, Arabidopsis thaliana, LRs originate from a group of stem cells deep within the root, necessitating that new organs emerge through overlying root tissues. We report that the circadian clock is rephased during LR development. Metabolite and transcript profiling revealed that the circadian clock controls the levels of auxin and auxin-related genes including the auxin response repressor IAA14 and auxin oxidase AtDAO2. Plants lacking or overexpressing core clock components exhibit LR emergence defects. We conclude that the circadian clock acts to gate auxin signalling during LR development to facilitate organ emergence.
@article{voss_circadian_2015,
title = {The circadian clock rephases during lateral root organ initiation in {Arabidopsis} thaliana},
volume = {6},
issn = {2041-1723 (Electronic) 2041-1723 (Linking)},
url = {https://www.ncbi.nlm.nih.gov/pubmed/26144255},
doi = {10.1038/ncomms8641},
abstract = {The endogenous circadian clock enables organisms to adapt their growth and development to environmental changes. Here we describe how the circadian clock is employed to coordinate responses to the key signal auxin during lateral root (LR) emergence. In the model plant, Arabidopsis thaliana, LRs originate from a group of stem cells deep within the root, necessitating that new organs emerge through overlying root tissues. We report that the circadian clock is rephased during LR development. Metabolite and transcript profiling revealed that the circadian clock controls the levels of auxin and auxin-related genes including the auxin response repressor IAA14 and auxin oxidase AtDAO2. Plants lacking or overexpressing core clock components exhibit LR emergence defects. We conclude that the circadian clock acts to gate auxin signalling during LR development to facilitate organ emergence.},
language = {en},
number = {1},
urldate = {2021-06-07},
journal = {Nat Commun},
author = {Voss, U. and Wilson, M. H. and Kenobi, K. and Gould, P. D. and Robertson, F. C. and Peer, W. A. and Lucas, M. and Swarup, K. and Casimiro, I. and Holman, T. J. and Wells, D. M. and Peret, B. and Goh, T. and Fukaki, H. and Hodgman, T. C. and Laplaze, L. and Halliday, K. J. and Ljung, K. and Murphy, A. S. and Hall, A. J. and Webb, A. A. and Bennett, M. J.},
month = jul,
year = {2015},
note = {Edition: 2015/07/07},
keywords = {Arabidopsis Proteins/genetics/metabolism, Arabidopsis/*growth \& development, Circadian Clocks/*physiology, Gene Expression Regulation, Plant/*physiology, Gravitropism, Indoleacetic Acids/metabolism, Mutation, Oxidoreductases/genetics/metabolism, Plant Roots/*physiology, Time Factors, Transcription Factors/genetics/metabolism, Transcriptome},
pages = {7641},
}
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Here we describe how the circadian clock is employed to coordinate responses to the key signal auxin during lateral root (LR) emergence. In the model plant, Arabidopsis thaliana, LRs originate from a group of stem cells deep within the root, necessitating that new organs emerge through overlying root tissues. We report that the circadian clock is rephased during LR development. Metabolite and transcript profiling revealed that the circadian clock controls the levels of auxin and auxin-related genes including the auxin response repressor IAA14 and auxin oxidase AtDAO2. Plants lacking or overexpressing core clock components exhibit LR emergence defects. 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