ArticleProceedings of the National Academy of Sciences of the United States of America2007
Rubisco large-subunit translation is autoregulated in response to its assembly state in tobacco chloroplasts.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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59 citing papers in PubMed, 121 citations in OpenAlex.
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- Critical stages in pea photosynthesis impaired by tetracycline as an environmental contaminant.Journal of plant research · 2024Article
- Chloroplast gene expression: Recent advances and perspectives.Plant communications · 2023Review
- Plant organellar RNA maturation.The Plant cell · 2023Review
- The small subunit of Rubisco and its potential as an engineering target.Journal of experimental botany · 2023Review
- Orange protein, phytoene synthase regulator, has protein disulfide reductase activity.Plant signaling & behavior · 2022Article
- Structural insights into cyanobacterial RuBisCO assembly coordinated by two chaperones Raf1 and RbcX.Cell discovery · 2022Article
- Rubiscosome gene expression is balanced across the hexaploid wheat genome.Photosynthesis research · 2022Article
- Retrograde and anterograde signaling in the crosstalk between chloroplast and nucleus.Frontiers in plant science · 2022Review
- Rubisco feedback loop: control by epistasy of synthesis governs large subunit biosynthesis.The Plant cell · 2021Article
- The state of oligomerization of Rubisco controls the rate of synthesis of the Rubisco large subunit in Chlamydomonas reinhardtii.The Plant cell · 2021Article
- Mass Production of Virus-Like Particles Using Chloroplast Genetic Engineering for Highly Immunogenic Oral Vaccine Against Fish Disease.Frontiers in plant science · 2021Article
- Modifying Plant Photosynthesis and Growth via Simultaneous Chloroplast Transformation of Rubisco Large and Small Subunits.The Plant cell · 2020Article
- Arabidopsis BSD2 reveals a novel redox regulation of Rubisco physiologyPlant signaling & behavior · 2020Article
- The OPR Protein MTHI1 Controls the Expression of Two Different Subunits of ATP Synthase CFo inThe Plant cell · 2020Article
- Overexpression of BUNDLE SHEATH DEFECTIVE 2 improves the efficiency of photosynthesis and growth in Arabidopsis.The Plant journal : for cell and molecular biology · 2020Article
- Effects of Overproduction of Rubisco Activase on Rubisco Content in Transgenic Rice Grown at Different N Levels.International journal of molecular sciences · 2020Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants rely on ribulose bisphosphate carboxylase/oxygenase (Rubisco) for carbon fixation. Higher plant Rubisco possesses an L(8)S(8) structure, with the large subunit (LS) encoded in the chloroplast by rbcL and the small subunit encoded by the nuclear RBCS gene family. Because its components accumulate stoichiometrically but are encoded in two genetic compartments, rbcL and RBCS expression must be tightly coordinated. Although this coordination has been observed, the underlying mechanisms have not been defined. Here, we use tobacco to understand how LS translation is related to its assembly status. To do so, two transgenic lines deficient in LS biogenesis were created: a chloroplast transformant expressing a truncated and unstable LS polypeptide, and a line where a homolog of the maize Rubisco-specific chaperone, BSD2, was repressed by RNAi. We found that in both lines, LS translation is no longer regulated by the availability of small subunit (SS), indicating that LS translation is not activated by the presence of its assembly partner but, rather, undergoes an autoregulation of translation. Pulse labeling experiments indicate that LS is synthesized but not accumulated in the transgenic lines, suggesting that accumulation of a repressor motif is required for LS assembly-dependent translational regulation.
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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.