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Plants
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Circadian Clock during Plant Development
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Circadian Clock during Plant Development

A special issue of Plants (ISSN 2223-7747).

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 4725

Special Issue Editors

Prof. Dr. Seth Davis

E-Mail Website
Guest Editor
Department of Biology, University of York, Heslington York YO10 5DD, UK
Interests: defining the framework of the core-clock mechanism; initiating a mechanistic understanding of light and temperature inputs to this oscillator; characterizing various outputs from this timer under simulated and natural field conditions
Dr. James Ronald

E-Mail Website
Guest Editor
Institute of Molecular Cell & Systems Biology, University of Glasgow, Glasgow G12 8QQ, UK
Interests: circadian clock; plants
Dr. Eva Herrero Serrano

E-Mail Website
Guest Editor
Department of Plant Sciences, University of Cambridge, Cambridge, UK
Interests: evolution and development; circadian signal transduction; plants

Special Issue Information

Dear Colleagues,

Circadian clocks are endogenous timekeeping devices that coordinate internal physiological processes with the external environment. This process of synchronization subsequently maximizes the organism’s productivity and fitness. In plants, the importance of the circadian clock in controlling juvenile and adult plant development and the transition from vegetative to reproductive development has become well documented. Here, in this Special Issue, we invite original research papers and review articles that provide further insights into the role of the circadian clock in controlling plant development. Molecular, physiological, genetic, anatomic, descriptive, and comparative studies are all welcomed. Additionally, studies or reviews that highlight differences between the architecture or function of the circadian clock between model and crop species circadian clocks are welcomed.

Sincerely,

Prof. Dr. Seth Davis
Dr. James Ronald
Dr. Eva Herrero Serrano
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (2 papers)

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Research

14 pages, 5324 KiB  
Article
Photoperiod Genes Contribute to Daylength-Sensing and Breeding in Rice
by Leilei Qiu, Peng Zhou, Hao Wang, Cheng Zhang, Chengxing Du, Shujun Tian, Qinqin Wu, Litian Wei, Xiaoying Wang, Yiming Zhou, Rongyu Huang, Xi Huang and Xinhao Ouyang
Plants 2023, 12(4), 899; https://doi.org/10.3390/plants12040899 - 16 Feb 2023
Cited by 3 | Viewed by 2344
Abstract
Rice (Oryza sativa L.), one of the most important food crops worldwide, is a facultative short-day (SD) plant in which flowering is modulated by seasonal and temperature cues. The photoperiodic molecular network is the core network for regulating flowering in rice, and [...] Read more.
Rice (Oryza sativa L.), one of the most important food crops worldwide, is a facultative short-day (SD) plant in which flowering is modulated by seasonal and temperature cues. The photoperiodic molecular network is the core network for regulating flowering in rice, and is composed of photoreceptors, a circadian clock, a photoperiodic flowering core module, and florigen genes. The Hd1-DTH8-Ghd7-PRR37 module, a photoperiodic flowering core module, improves the latitude adaptation through mediating the multiple daylength-sensing processes in rice. However, how the other photoperiod-related genes regulate daylength-sensing and latitude adaptation remains largely unknown. Here, we determined that mutations in the photoreceptor and circadian clock genes can generate different daylength-sensing processes. Furthermore, we measured the yield-related traits in various mutants, including the main panicle length, grains per panicle, seed-setting rate, hundred-grain weight, and yield per panicle. Our results showed that the prr37, elf3-1 and ehd1 mutants can change the daylength-sensing processes and exhibit longer main panicle lengths and more grains per panicle. Hence, the PRR37, ELF3-1 and Ehd1 locus has excellent potential for latitude adaptation and production improvement in rice breeding. In summary, this study systematically explored how vital elements of the photoperiod network regulate daylength sensing and yield traits, providing critical information for their breeding applications. Full article
(This article belongs to the Special Issue Circadian Clock during Plant Development)
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17 pages, 6292 KiB  
Article
Time of Day Analysis over a Field Grown Developmental Time Course in Rice
by Todd P. Michael
Plants 2023, 12(1), 166; https://doi.org/10.3390/plants12010166 - 30 Dec 2022
Cited by 1 | Viewed by 1797
Abstract
Plants integrate time of day (TOD) information over an entire season to ensure optimal growth, flowering time, and grain fill. However, most TOD expression studies have focused on a limited number of combinations of daylength and temperature under laboratory conditions. Here, an Oryza [...] Read more.
Plants integrate time of day (TOD) information over an entire season to ensure optimal growth, flowering time, and grain fill. However, most TOD expression studies have focused on a limited number of combinations of daylength and temperature under laboratory conditions. Here, an Oryza sativa (rice) expression study that followed TOD expression in the field over an entire growing season was re-analyzed. Similar to Arabidopsis thaliana, almost all rice genes have a TOD-specific expression over the developmental time course. As has been suggested in other grasses, thermocycles were a stronger cue for TOD expression than the photocycles over the growing season. All the core circadian clock genes display consistent TOD expression over the season with the interesting exception that the two grass paralogs of EARLY FLOWERING 3 (ELF3) display a distinct phasing based on the interaction between thermo- and photo-cycles. The dataset also revealed how specific pathways are modulated to distinct TOD over the season consistent with the changing biology. The data presented here provide a resource for researchers to study how TOD expression changes under natural conditions over a developmental time course, which will guide approaches to engineer more resilient and prolific crops. Full article
(This article belongs to the Special Issue Circadian Clock during Plant Development)
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