ArticlePlant molecular biology2003
Oscillation of mRNA level and activity of granule-bound starch synthase I in Arabidopsis leaves during the day/night cycle.
Article in Plant molecular biology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 77 citations in OpenAlex.
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- Circadian regulation of the transcriptome in a complex polyploid crop.PLoS biology · 2022Article
- Environment-mediated mutagenetic interference on genetic stabilization and circadian rhythm in plants.Cellular and molecular life sciences : CMLS · 2022Review
- Profiling of transcriptional regulators associated with starch biosynthesis in sorghum (Frontiers in plant science · 2022Article
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- Protuberances are organized distinct regions of long-term callus: histological and transcriptomic analyses in kiwifruit.Plant cell reports · 2021Article
- Screening of Key Proteins Affecting Floral Initiation of Saffron Under Cold Stress Using iTRAQ-Based Proteomics.Frontiers in plant science · 2021Article
- Shade signals alter the expression of circadian clock genes in newly-formed bioenergy sorghum internodes.Plant direct · 2020Article
- Article
- Pan- and core- gene association networks: Integrative approaches to understanding biological regulation.PloS one · 2019Article
- The Importance of the Circadian Clock in Regulating Plant Metabolism.International journal of molecular sciences · 2017Review
- Genome-wide analysis of starch metabolism genes in potato (Solanum tuberosum L.).BMC genomics · 2017Article
- Phytochrome A and B Regulate Primary Metabolism inFrontiers in plant science · 2017Article
- Sequence variation, differential expression, and divergent evolution in starch-related genes among accessions of Arabidopsis thaliana.Plant molecular biology · 2015Article
- Photoperiodic control of sugar release during the floral transition: What is the role of sugars in the florigenic signal?Plant signaling & behavior · 2015Article
- Photoperiodic control of carbon distribution during the floral transition in Arabidopsis.The Plant cell · 2014Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Granule-bound starch synthase (GBSSI) is one of the most extensively studied enzymes of the starch synthesis pathway and its role in the synthesis of amylose has been well established. However, few studies have been carried out to characterize the regulation of GBSSI gene. Regulation of starch synthesis genes is especially interesting in photosynthetic tissues, where starch is subjected to a periodical alternation of synthesis and degradation during the day/night cycle. In this report we show a circadian oscillation of GBSSI mRNA levels in leaves of Arabidopsis during the day/night cycle, and provide evidence that GBSSI expression is controlled by the transcription factors CCA1 and LHY. Over-expression of both CCA1 and LHY genes causes the elimination of GBSSI mRNA oscillation. Binding shift assays indicate that this control may be exerted through a direct interaction of those regulatory proteins with the GBSSI promoter. Oscillation is not observed on the GBSSI protein levels, which remains constant along the cycle. However, GBSSI activity shows a clear oscillation with a period of 24 h that is altered in transgenic plants over-expressing CCA1. Possible mechanisms controlling GBSSI activity during the day/night cycle are discussed.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.