ArticlePlant physiology2008
Tie-dyed2 functions with tie-dyed1 to promote carbohydrate export from maize leaves.
Article in Plant physiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 54 citations in OpenAlex.
- Transcriptome analysis reveals the mechanism of anthocyanin accumulation induced by leaf breakage in foxtail millet.BMC plant biology · 2025Article
- The maize callose synthaseMolecular breeding : new strategies in plant improvement · 2023Article
- Maize Brittle Stalk2-Like3, encoding a COBRA protein, functions in cell wall formation and carbohydrate partitioning.The Plant cell · 2021Article
- Identification and fine mapping of a recessive gene controlling zebra leaf phenotype in maize.Molecular breeding : new strategies in plant improvement · 2021Article
- Diverse regulation of plasmodesmal architecture facilitates adaptation to phloem translocation.Journal of experimental botany · 2020Review
- Interaction Between Induced and Natural Variation atG3 (Bethesda, Md.) · 2020Article
- Maize Carbohydrate partitioning defective1 impacts carbohydrate distribution, callose accumulation, and phloem function.Journal of experimental botany · 2018Article
- Sucrose Transporter ZmSut1 Expression and Localization Uncover New Insights into Sucrose Phloem Loading.Plant physiology · 2016Article
- Sucrose accumulation in sweet sorghum stems occurs by apoplasmic phloem unloading and does not involve differential Sucrose transporter expression.BMC plant biology · 2015Article
- The molecular cloning and clarification of a photorespiratory mutant, oscdm1, using enhancer trapping.Frontiers in genetics · 2015Article
- Phenotypic analyses of rice lse2 and lse3 mutants that exhibit hyperaccumulation of starch in the leaf blades.Rice (New York, N.Y.) · 2014Article
- Transport of boron by the tassel-less1 aquaporin is critical for vegetative and reproductive development in maize.The Plant cell · 2014Article
- The tie-dyed pathway promotes symplastic trafficking in the phloem.Plant signaling & behavior · 2013Article
- Increased expression of a phloem membrane protein encoded by NHL26 alters phloem export and sugar partitioning in Arabidopsis.The Plant cell · 2013Article
- Tie-dyed2 encodes a callose synthase that functions in vein development and affects symplastic trafficking within the phloem of maize leaves.Plant physiology · 2012Article
- Maize SUT1 functions in phloem loading.Plant signaling & behavior · 2010Article
- Article
- Arabidopsis plants harbouring a mutation in AtSUC2, encoding the predominant sucrose/proton symporter necessary for efficient phloem transport, are able to complete their life cycle and produce viable seed.Annals of botany · 2009Article
- Effective carbon partitioning driven by exotic phloem-specific regulatory elements fused to the Arabidopsis thaliana AtSUC2 sucrose-proton symporter gene.BMC plant biology · 2009Article
- Tie-dyed1 encodes a novel, phloem-expressed transmembrane protein that functions in carbohydrate partitioning.Plant physiology · 2009Article
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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
Regulation of carbon partitioning is essential for plant growth and development. To gain insight into genes controlling carbon allocation in leaves, we identified mutants that hyperaccumulate carbohydrates. tie-dyed2 (tdy2) is a recessive mutant of maize (Zea mays) with variegated, nonclonal, chlorotic leaf sectors containing excess starch and soluble sugars. Consistent with a defect in carbon export, we found that a by-product of functional chloroplasts, likely a sugar, induces tdy2 phenotypic expression. Based on the phenotypic similarities between tdy2 and two other maize mutants with leaf carbon accumulation defects, tdy1 and sucrose export defective1 (sxd1), we investigated whether Tdy2 functioned in the same pathway as Tdy1 or Sxd1. Cytological and genetic studies demonstrate that Tdy2 and Sxd1 function independently. However, in tdy1/+; tdy2/+ F(1) plants, we observed a moderate chlorotic sectored phenotype, suggesting that the two genes are dosage sensitive and have a related function. This type of genetic interaction is referred to as second site noncomplementation and has often, though not exclusively, been found in cases where the two encoded proteins physically interact. Moreover, tdy1; tdy2 double mutants display a synergistic interaction supporting this hypothesis. Additionally, we determined that cell walls of chlorotic leaf tissues in tdy mutants contain increased cellulose; thus, tdy mutants potentially represent enhanced feedstocks for biofuels production. From our phenotypic and genetic characterizations, we propose a model whereby TDY1 and TDY2 function together in a single genetic pathway, possibly in homo- and heteromeric complexes, to promote carbon export from leaves.
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