ArticlePlant physiology2002
Circadian rhythms confer a higher level of fitness to Arabidopsis plants.
Article in Plant physiology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 170 papers.
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Who cites it
170 citing papers in PubMed.
- Unveiling previously undescribed circadian clock regulators and action mechanisms via TurboID-based profiling of the LWD1 interactome inProceedings of the National Academy of Sciences of the United States of America · 2026Article
- A noncoding SNP in ELF3 alters ELF3β expression and confers adaptation of Arabidopsis to a continental climate.Plant physiology · 2026Article
- Effects of three light-dark cycles on circadian rhythm-related genes and photosynthetic parameters in carrot.Biotechnology letters · 2026Article
- Metabolism in Sync: The Circadian Clock, a Central Hub for Light-Driven Chloroplastic and Mitochondrial Entrainment.Plants (Basel, Switzerland) · 2025Review
- Diurnal Rhythmicity in the Rhizosphere Microbiome-Mechanistic Insights and Significance for Rhizosphere Function.Plant, cell & environment · 2025Review
- A pathogen effector HaRxL10 hijacks the circadian clock component CHE to perturb both plant development and immunity.Nature communications · 2025Article
- Transcriptomic analysis reveals cloquintocet-mexyl-inducible genes in hexaploid wheat (Triticum aestivum L.).PloS one · 2025Article
- Diurnal control of H3K27me1 deposition shapes expression of a subset of cell cycle and DNA damage response genes.The Plant journal : for cell and molecular biology · 2024Article
- An Arabidopsis Cell Culture With Weak Circadian Rhythms Under Constant Light Compared With Constant Dark Can Be Rescued by ELF3.Plant direct · 2024Article
- A topological mechanism for robust and efficient global oscillations in biological networks.Nature communications · 2024Article
- Evaluating the Adaptive Fitness of Circadian Clocks and their Evolution.Journal of biological rhythms · 2024Review
- Article
- Dim artificial light at night alters gene expression rhythms and growth in a key seagrass species (Posidonia oceanica).Scientific reports · 2023Article
- The clock component OsLUX regulates rice heading through recruiting OsELF3-1 and OsELF4s to repress Hd1 and Ghd7.Journal of advanced research · 2023Article
- Article
- Perfecting the Life Clock: The Journey from PTO to TTFL.International journal of molecular sciences · 2023Review
- Time of Day Analysis over a Field Grown Developmental Time Course in Rice.Plants (Basel, Switzerland) · 2022Article
- Core circadian clock and light signaling genes brought into genetic linkage across the green lineage.Plant physiology · 2022Article
- Circadian Rhythm Regulates Reactive Oxygen Species Production and Inhibits Al-Induced Programmed Cell Death in Peanut.Life (Basel, Switzerland) · 2022Article
- Expression Profiling and MicroRNA Regulatory Networks of Homeobox Family Genes in SugarcaneInternational journal of molecular sciences · 2022Article
110 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors.
Funding
Abstract
Circadian rhythms have been demonstrated in organisms across the taxonomic spectrum. In view of their widespread occurrence, the adaptive significance of these rhythms is of interest. We have previously shown that constitutive expression of the CCA1 (CIRCADIAN CLOCK ASSOCIATED 1) gene in Arabidopsis plants (CCA1-ox) results in loss of circadian rhythmicity. Here, we demonstrate that these CCA1-ox plants retain the ability to respond to diurnal changes in light. Thus, transcript levels of several circadian-regulated genes, as well as CCA1 itself and the closely related LHY, oscillate robustly if CCA1-ox plants are grown under diurnal conditions. However, in contrast with wild-type plants in which transcript levels change in anticipation of the dark/light transitions, the CCA1-ox plants have lost the ability to anticipate this daily change in their environment. We have used CCA1-ox lines to examine the effects of loss of circadian regulation on the fitness of an organism. CCA1-ox plants flowered later, especially under long-day conditions, and were less viable under very short-day conditions than their wild-type counterparts. In addition, we demonstrate that two other circadian rhythm mutants, LHY-ox and elf3, have low-viability phenotypes. Our findings demonstrate the adaptive advantage of circadian rhythms in Arabidopsis.
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