ArticlePlant molecular biology2022
The CBM48 domain-containing protein FLO6 regulates starch synthesis by interacting with SSIVb and GBSS in rice.
Article in Plant molecular biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 38 citations in OpenAlex.
- Differential condensation of FLO6 influences grain amylose synthesis in rice.Science advances · 2026Article
- Identification of a novel mutant allele of the LIKE EARLY STARVATION 1 gene in rice (Oryza sativa L.) using QTL-seq.G3 (Bethesda, Md.) · 2026Article
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- Distinct effects of PTST2b and MRC on starch granule morphogenesis in potato tubers.Plant biotechnology journal · 2025Article
- Host-driven remodeling of rumen microbiota supports lactation metabolism in buffalo.Frontiers in microbiology · 2025Article
- Genome-Wide Identification and Analysis of Gene Family of Carbohydrate-Binding Modules inInternational journal of molecular sciences · 2024Article
- Phenotypic Analysis and Gene Cloning of Rice Floury Endosperm MutantPlants (Basel, Switzerland) · 2024Article
- Rice LIKE EARLY STARVATION1 cooperates with FLOURY ENDOSPERM6 to modulate starch biosynthesis and endosperm development.The Plant cell · 2024Article
- Article
- Diversity and host interaction of the gut microbiota in specific pathogen-free pigs.Frontiers in microbiology · 2024Article
- The LIKE SEX FOUR 1-malate dehydrogenase complex functions as a scaffold to recruit β-amylase to promote starch degradation.The Plant cell · 2023Article
- Article
- Initiation of B-type starch granules in wheat endosperm requires the plastidial α-glucan phosphorylase PHS1.The Plant cell · 2023Article
- A starch- and ROS-regulating heat shock protein helps maintain male fertility in heat-stressed rice plants.Plant physiology · 2023Article
- Rice HEAT SHOCK PROTEIN60-3B maintains male fertility under high temperature by starch granule biogenesis.Plant physiology · 2023Article
- FLOURY ENDOSPERM 6 mutations enhance the sugary phenotype caused by the loss of ISOAMYLASE1 in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Loss of PROTEIN TARGETING TO STARCH 2 has variable effects on starch synthesis across organs and species.Journal of experimental botany · 2022Article
- Dynamic Change in Starch Biosynthetic Enzymes Complexes during Grain-Filling Stages in BEIIb Active and Deficient Rice.International journal of molecular sciences · 2022Article
- Post-genomics revolution in the design of premium quality rice in a high-yielding background to meet consumer demands in the 21st century.Plant communications · 2022Review
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Authors and funding
6 authors at 1 institution in 1 country.
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Abstract
key messageFLO6 is involved in starch synthesis by interacting with SSIVb and GBSS in rice. Starch synthesized and stored in plastids including chloroplasts and amyloplasts plays a vital role in plant growth and provides the major energy for human diet. However, the molecular mechanisms by which regulate starch synthesis remain largely unknown. In this study, we identified and characterized a rice floury endosperm mutant M39, which exhibited defective starch granule formation in pericarp and endosperm, accompanied by the decreased starch content and amylose content. The abnormal starch accumulation in M39 pollen grains caused a significant decrease in plant fertility. Chloroplasts in M39 leaves contained no or only one large starch granule. Positional cloning combined with complementary experiment demonstrated that the mutant phenotypes were restored by the FLOURY ENDOSPERM6 (FLO6). FLO6 was generally expressed in various tissues, including leaf, anther and developing endosperm. FLO6 is a chloroplast and amyloplast-localized protein that is able to bind to starch by its carbohydrate-binding module 48 (CBM48) domain. Interestingly, we found that FLO6 interacted with starch synthase IVb (SSIVb) and granule-bound starch synthase (GBSSI and GBSSII). Together, our results suggested that FLO6 plays a critical role in starch synthesis through cooperating with several starch synthesis enzymes throughout plant growth and development.
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