ArticlePlant physiology1998
Brittle-1, an adenylate translocator, facilitates transfer of extraplastidial synthesized ADP--glucose into amyloplasts of maize endosperms.
Article in Plant physiology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.
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63 citing papers in PubMed, 210 citations in OpenAlex.
- Discovering of the transcriptional regulatory network involved in starch biosynthesis in sorghum grains.Plant diversity · 2026Article
- Transcriptional Regulation of Starch Biosynthesis in Sorghum Grain by a MIKC-Type MADS-Box Transcription Factor: An In Vitro Analysis.Plants (Basel, Switzerland) · 2026Article
- Quick creation and mapping of EMS-induced maize kernel mutants identifies classical gene ZmBT1 and novel gene ZmTOP6A.The plant genome · 2026Article
- Genome-Wide Dissection of Sorghum B3 Transcription Factor Family Identifies SbLAV1 as a Critical Transcriptional Regulator of Starch Biosynthesis in Developing Sorghum Grains.Plants (Basel, Switzerland) · 2025Article
- Molecular mechanisms controlling grain size and weight and their biotechnological breeding applications in maize and other cereal crops.Journal of advanced research · 2024Review
- Identification of a stable major sucrose-related QTL and diagnostic marker for flavor improvement in peanut.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Class I and II NADPH-cytochrome P450 reductases exhibit different roles in triterpenoid biosynthesis inFrontiers in plant science · 2023Article
- easyMF: A Web Platform for Matrix Factorization-Based Gene Discovery from Large-scale Transcriptome Data.Interdisciplinary sciences, computational life sciences · 2022Article
- Starch biosynthesis in guard cells has features of both autotrophic and heterotrophic tissues.Plant physiology · 2022Article
- Sucrose synthases are not involved in starch synthesis in Arabidopsis leaves.Nature plants · 2022Article
- Structure, function, and evolution of plant ADP-glucose pyrophosphorylase.Plant molecular biology · 2022Review
- Profiling of transcriptional regulators associated with starch biosynthesis in sorghum (Frontiers in plant science · 2022Article
- Isolation and Transfection of Maize Endosperm Protoplasts.Methods in molecular biology (Clifton, N.J.) · 2022Article
- EARLY STARVATION 1 Is a Functionally Conserved Protein Promoting Gravitropic Responses in Plants by Forming Starch Granules.Frontiers in plant science · 2021Article
- The dynamic transcriptome of waxy maize (Zea mays L. sinensis Kulesh) during seed development.Genes & genomics · 2020Article
- Optimization of isolation and transfection conditions of maize endosperm protoplasts.Plant methods · 2020Article
- Article
- GWAS for Starch-Related Parameters inPlants (Basel, Switzerland) · 2019Article
- MaizeThe Journal of cell biology · 2019Article
- TaBT1, affecting starch synthesis and thousand kernel weight, underwent strong selection during wheat improvement.Journal of experimental botany · 2019Article
3 more citing papers are in PubMed but not listed here.
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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Amyloplasts of starchy tissues such as those of maize (Zea mays L.) function in the synthesis and accumulation of starch during kernel development. ADP-glucose pyrophosphorylase (AGPase) is known to be located in chloroplasts, and for many years it was generally accepted that AGPase was also localized in amyloplasts of starchy tissues. Recent aqueous fractionation of young maize endosperm led to the conclusion that 95% of the cellular AGPase was extraplastidial, but immunolocalization studies at the electron- and light-microscopic levels supported the conclusion that maize endosperm AGPase was localized in the amyloplasts. We report the results of two nonaqueous procedures that provide evidence that in maize endosperms in the linear phase of starch accumulation, 90% or more of the cellular AGPase is extraplastidial. We also provide evidence that the brittle-1 protein (BT1), an adenylate translocator with a KTGGL motif common to the ADP-glucose-binding site of starch synthases and bacterial glycogen synthases, functions in the transfer of ADP-glucose into the amyloplast stroma. The importance of the BT1 translocator in starch accumulation in maize endosperms is demonstrated by the severely reduced starch content in bt1 mutant kernels.
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