ArticleRice (New York, N.Y.)2018
The rice zebra3 (z3) mutation disrupts citrate distribution and produces transverse dark-green/green variegation in mature leaves.
Article in Rice (New York, N.Y.), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 44 citations in OpenAlex.
- Article
- Enhanced SA and CaMolecular genetics and genomics : MGG · 2021Article
- Single-nucleotide editing foraBIOTECH · 2020Article
- Zebra leaf 15, a receptor-like protein kinase involved in moderate low temperature signaling pathway in rice.Rice (New York, N.Y.) · 2019Article
- Protective Role of Leaf Variegation inInternational journal of molecular sciences · 2019Article
- Mutagenesis in Rice: The Basis for Breeding a New Super Plant.Frontiers in plant science · 2019Review
- The RiceFrontiers in plant science · 2018Article
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6 authors at 2 institutions in 3 countries.
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Abstract
backgroundRice zebra mutants are leaf variegation mutants that exhibit transverse sectors of green/yellow or green/white in developing or mature leaves. In most cases, leaf variegation is caused by defects in chloroplast biogenesis pathways, leading to an accumulation of reactive oxygen species in a transverse pattern in the leaves. Here, we examine a new type of leaf variegation mutant in rice, zebra3 (z3), which exhibits transverse dark-green/green sectors in mature leaves and lacks the typical yellow or white sectors.
resultsMap-based cloning revealed that the Z3 locus encodes a putative citrate transporter that belongs to the citrate-metal hydrogen symport (CitMHS) family. CitMHS family members have been extensively studied in bacteria and function as secondary transporters that can transport metal-citrate complexes, but whether CitMHS family transporters exist in eukaryotes remains unknown. To investigate whether Z3 acts as a citrate transporter in rice, we measured citrate levels in wild-type leaves and in the dark-green and green sectors of the leaves of z3 mutants. The results showed that citrates accumulated to high levels in the dark-green sectors of z3 mutant leaves, but not in the green sectors as compared with the wild-type leaves.
conclusionsThese results suggest that leaf variegation in the z3 mutant is caused by an unbalanced accumulation of citrate in a transverse pattern in the leaves. Taking these results together, we propose that Z3 plays an important role in citrate transport and distribution during leaf development and is a possible candidate for a CitMHS family member in plants.
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