ArticleBMC plant biology2018
Long branch-chains of amylopectin with B-type crystallinity in rice seed with inhibition of starch branching enzyme I and IIb resist in situ degradation and inhibit plant growth during seedling development : Degradation of rice starch with inhibition of SBEI/IIb during seedling development.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 31 citations in OpenAlex.
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- Solid-State NMR Spectroscopy: Towards Structural Insights into Starch-Based Materials in the Food Industry.Polymers · 2022Review
- EfABI4 Transcription Factor Is Involved in the Regulation of Starch Biosynthesis inInternational journal of molecular sciences · 2022Article
- Brassinosteroids regulate rice seed germination through the BZR1-RAmy3D transcriptional module.Plant physiology · 2022Article
- Effects of Various Allelic Combinations of Starch Biosynthetic Genes on the Properties of Endosperm Starch in Rice.Rice (New York, N.Y.) · 2022Review
- Review
- Generation and Starch Characterization of Non-Transgenic BEI and BEIIb Double Mutant Rice (Oryza sativa) with Ultra-High Level of Resistant Starch.Rice (New York, N.Y.) · 2021Article
- SUPER STARCHY1/ONAC025 participates in rice grain filling.Plant direct · 2020Article
- Molecular identification of the key starch branching enzyme-encoding geneHorticulture research · 2020Article
- Comprehensive comparison and applications of different sections in investigating the microstructure and histochemistry of cereal kernels.Plant methods · 2020Review
- Starch formation inside plastids of higher plants.Protoplasma · 2018Review
- In situ Degradation and Characterization of Endosperm Starch in Waxy Rice with the Inhibition of Starch Branching Enzymes during Seedling Growth.International journal of molecular sciences · 2018Article
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5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundEndosperm starch provides prime energy for cereal seedling growth. Cereal endosperm with repression of starch branching enzyme (SBE) has been widely studied for its high resistant starch content and health benefit. However, in barley and maize, the repression of SBE changes starch component and amylopectin structure which affects grain germination and seedling establishment. A high resistant starch rice line (TRS) has been developed through inhibiting SBEI/IIb, and its starch has very high resistance to in vitro hydrolysis and digestion. However, it is unclear whether the starch resists in situ degradation in seed and influences seedling growth after grain germination.
resultsIn this study, TRS and its wild-type rice cultivar Te-qing (TQ) were used to investigate the seedling growth, starch property changes, and in situ starch degradation during seedling growth. The slow degradation of starch in TRS seed restrained the seedling growth. The starch components including amylose and amylopectin were simultaneously degraded in TQ seeds during seedling growth, but in TRS seeds, the amylose was degraded faster than amylopectin and the amylopectin long branch-chains with B-type crystallinity had high resistance to in situ degradation. TQ starch was gradually degraded from the proximal to distal region of embryo and from the outer to inner in endosperm. However, TRS endosperm contained polygonal, aggregate, elongated and hollow starch from inner to outer. The polygonal starch similar to TQ starch was completely degraded, and the other starches with long branch-chains of amylopectin and B-type crystallinity were degraded faster at the early stage of seedling growth but had high resistance to in situ degradation during TRS seedling growth.
conclusionsThe B-type crystallinity and long branch-chains of amylopectin in TRS seed had high resistance to in situ degradation, which inhibited TRS seedling growth.
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