ArticlePlant physiology2007
Localization in roots and flowers of pea chloroplastic thioredoxin f and thioredoxin m proteins reveals new roles in nonphotosynthetic organs.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 48 citations in OpenAlex.
- Laminar patterning transcription factors orchestrate spatial metabolite partitioning in Capsicum fruit.Nature plants · 2026Article
- Functional Characterization ofInternational journal of molecular sciences · 2023Article
- Comprehensive Expression Analyses of Plastidial Thioredoxins ofAntioxidants (Basel, Switzerland) · 2022Article
- A New Role for Plastid Thioredoxins in Seed Physiology in Relation to Hormone Regulation.International journal of molecular sciences · 2021Article
- The evolutionary conserved iron-sulfur protein TCR controls P700 oxidation in photosystem I.iScience · 2021Article
- Article
- Proteomic Analyses of ThioredoxinsAntioxidants (Basel, Switzerland) · 2019Article
- Split-ubiquitin yeast two-hybrid interaction reveals a novel interaction between a natural resistance associated macrophage protein and a membrane bound thioredoxin in Brassica juncea.Plant molecular biology · 2016Article
- Comparative proteomic analysis of drought tolerance in the two contrasting Tibetan wild genotypes and cultivated genotype.BMC genomics · 2015Article
- Disruption of both chloroplastic and cytosolic FBPase genes results in a dwarf phenotype and important starch and metabolite changes in Arabidopsis thaliana.Journal of experimental botany · 2015Article
- Plastid thioredoxins: a "one-for-all" redox-signaling system in plants.Frontiers in plant science · 2013Review
- Thiol-based redox regulation in sexual plant reproduction: new insights and perspectives.Frontiers in plant science · 2013Review
- Expression of the chloroplast thioredoxins f and m is linked to short-term changes in the sugar and thiol status in leaves of Pisum sativum.Journal of experimental botany · 2012Article
- NADPH thioredoxin reductase C is localized in plastids of photosynthetic and nonphotosynthetic tissues and is involved in lateral root formation in Arabidopsis.The Plant cell · 2012Article
- Chaperone-like properties of tobacco plastid thioredoxins f and m.Journal of experimental botany · 2012Article
- An apoplastic h-type thioredoxin is involved in the stress response through regulation of the apoplastic reactive oxygen species in rice.Plant physiology · 2011Article
- Single cystathionine β-synthase domain-containing proteins modulate development by regulating the thioredoxin system in Arabidopsis.The Plant cell · 2011Article
- Identification and characterization of thioredoxin h isoforms differentially expressed in germinating seeds of the model legume Medicago truncatula.Plant physiology · 2011Article
- Circadian regulation of chloroplastic f and m thioredoxins through control of the CCA1 transcription factor.Journal of experimental botany · 2011Article
- The conformational stability and biophysical properties of the eukaryotic thioredoxins of Pisum sativum are not family-conserved.PloS one · 2011Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant thioredoxins (TRXs) are involved in redox regulation of a wide variety processes and usually exhibit organ specificity. We report strong evidence that chloroplastic TRXs are localized in heterotrophic tissues and suggest some ways in which they might participate in several metabolic and developmental processes. The promoter regions of the chloroplastic f and m1 TRX genes were isolated from a pea (Pisum sativum) plant genomic bank. Histochemical staining for beta-glucuronidase (GUS) in transgenic homozygous Arabidopsis (Arabidopsis thaliana) plants showed preferential expression of the 444-bp PsTRXf1 promoter in early seedlings, stems, leaves, and roots, as well as in flowers, stigma, pollen grains, and filaments. GUS activity under the control of the 1,874-bp PsTRXm1 promoter was restricted to the leaves, roots, seeds, and flowers. To gain insight into the translational regulation of these genes, a series of deletions of 5' elements in both TRX promoters were analyzed. The results revealed that a 126-bp construct of the PsTRXf2 promoter was unable to reproduce the expression pattern observed with the full promoter. The differences in expression and tissue specificity between PsTRXm1 and the deleted promoters PsTRXm2 and PsTRXm3 suggest the existence of upstream positive or negative regulatory regions that affect tissue specificity, sucrose metabolism, and light regulation. PsTRXm1 expression is finely regulated by light and possibly by other metabolic factors. In situ hybridization experiments confirmed new localizations of these chloroplastic TRX transcripts in vascular tissues and flowers, and therefore suggest possible new functions in heterotrophic tissues related to cell division, germination, and plant reproduction.
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