Gene Details:

• Gene ID: AT4G18240
• Gene Symbol: ATSS4, SS4, SSIV
• Gene Name: ARABIDOPSIS THALIANA STARCH SYNTHASE 4, starch synthase 4, STARCH SYNTHASE 4
• Description: starch synthase 4;(source:Araport11)
• TAIR Accession: locus:2141936
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT4G18240.1

Plant Ontology Annotations:

• PO:0009005  — root — raíz (Spanish, exact), radices (exact, plural), radix (exact), 根 (Japanese, exact), aerial root (narrow), climbing root (narrow)
• PO:0009001  — fruit — frucht (exact, German), fruto (exact, Spanish), 果実 (exact, Japanese), coenocarp (narrow), syncarp (narrow), aggregate fruit (broad), compound fruit (broad), dehiscent fruit (broad), diaspore (broad), indehiscent fruit (broad), multiple fruit (broad), propagule (broad)
• PO:0009025  — vascular leaf — foliage leaf (exact), hoja vascular (Spanish, exact), leaf, vascular (exact), vascular leaves (exact, plural), 維管束のある葉, または維管束植物の葉 (Japanese, exact), crozier (related), macrophyll (related), megaphyll (related), ascidia (narrow), ascidium (narrow), fiddlehead (narrow), frond (narrow), needle-like leaf (narrow), pitcher (narrow), pitcher blade (narrow), pitcher-blade (narrow), scale-like leaf (narrow), sterile frond (narrow), trophophyll (narrow)
• PO:0009046  — flower — flor (Spanish, exact), 花 (Japanese, exact), floret (related), Asteraceae floret (narrow), basal flower (narrow), double flower (narrow), hermaphrodite flower (narrow), monoclinous flower (narrow), perfect flower (narrow)

Gene Ontology:

• GO:0009507  — located in — chloroplast
• GO:0019252  — involved in — starch biosynthetic process
• GO:0005982  — acts upstream of or within — starch metabolic process
• GO:0005515  — enables — protein binding
• GO:0033201  — enables — alpha-1,4-glucan synthase activity
• GO:0009011  — enables — starch synthase activity
• GO:0016757  — enables — glycosyltransferase activity
• GO:0004373  — enables — glycogen (starch) synthase activity

Function-related keywords:

• root ,  fruit ,  root ,  vascular leaf ,  flower

Literature:

• Effects of leaf ascorbate content on defense and photosynthesis gene expression in Arabidopsis thaliana.   DOI:  10.1089/152308603321223513 ;  PMID:  12626114
• The Arabidopsis ppi1 mutant is specifically defective in the expression, chloroplast import, and accumulation of photosynthetic proteins.   DOI:  10.1105/tpc.012955 ;  PMID:  12897258
• Inactivation of the chloroplast ATP synthase gamma subunit results in high non-photochemical fluorescence quenching and altered nuclear gene expression in Arabidopsis thaliana.   DOI:  10.1074/jbc.M308435200 ;  PMID:  14576160
• Diurnal changes in the transcriptome encoding enzymes of starch metabolism provide evidence for both transcriptional and posttranscriptional regulation of starch metabolism in Arabidopsis leaves.   DOI:  10.1104/pp.104.044347 ;  PMID:  15347792
• Soluble starch synthase I: a major determinant for the synthesis of amylopectin in Arabidopsis thaliana leaves.   DOI:  10.1111/j.1365-313X.2005.02462.x ;  PMID:  16045475
• The early dark-response in Arabidopsis thaliana revealed by cDNA microarray analysis.   DOI:  10.1007/s11103-005-4211-x ;  PMID:  16514558
• The phenotype of soluble starch synthase IV defective mutants of Arabidopsis thaliana suggests a novel function of elongation enzymes in the control of starch granule formation.   DOI:  10.1111/j.1365-313X.2006.02968.x ;  PMID:  17217470
• Genome-wide analysis of Arabidopsis responsive transcriptome to nitrogen limitation and its regulation by the ubiquitin ligase gene NLA.   DOI:  10.1007/s11103-007-9241-0 ;  PMID:  17885809
• Overlapping functions of the starch synthases SSII and SSIII in amylopectin biosynthesis in Arabidopsis.   DOI:  10.1186/1471-2229-8-96 ;  PMID:  18811962
• Arabidopsis At5g39790 encodes a chloroplast-localized, carbohydrate-binding, coiled-coil domain-containing putative scaffold protein.   DOI:  10.1186/1471-2229-8-120 ;  PMID:  19038037
• Putative Arabidopsis homologues of metazoan coiled-coil cytoskeletal proteins.   DOI:  10.1042/CBI20100719 ;  PMID:  21284606
• Integrated functions among multiple starch synthases determine both amylopectin chain length and branch linkage location in Arabidopsis leaf starch.   DOI:  10.1093/jxb/err172 ;  PMID:  21624979
• Microbial volatile-induced accumulation of exceptionally high levels of starch in Arabidopsis leaves is a process involving NTRC and starch synthase classes III and IV.   DOI:  10.1094/MPMI-05-11-0112 ;  PMID:  21649509
• A sensitive method for confocal fluorescence microscopic visualization of starch granules in iodine stained samples.   DOI:  10.4161/psb.21370 ;  PMID:  22899048
• Inferring transcriptional gene regulation network of starch metabolism in Arabidopsis thaliana leaves using graphical Gaussian model.   DOI:  10.1186/1752-0509-6-100 ;  PMID:  22898356
• Starch metabolism in Arabidopsis.   DOI:  10.1199/tab.0160 ;  PMID:  23393426
• Intraspecific sequence variation and differential expression in starch synthase genes of Arabidopsis thaliana.   DOI:  10.1186/1756-0500-6-84 ;  PMID:  23497496
• Loss of starch granule initiation has a deleterious effect on the growth of arabidopsis plants due to an accumulation of ADP-glucose.   DOI:  10.1104/pp.113.223420 ;  PMID:  23872660
• HPLC-MS/MS analyses show that the near-Starchless aps1 and pgm leaves accumulate wild type levels of ADPglucose: further evidence for the occurrence of important ADPglucose biosynthetic pathway(s) alternative to the pPGI-pPGM-AGP pathway.   DOI:  10.1371/journal.pone.0104997 ;  PMID:  25133777
• Branching patterns in leaf starches from Arabidopsis mutants deficient in diverse starch synthases.   DOI:  10.1016/j.carres.2014.09.011 ;  PMID:  25464087
• Sequence variation, differential expression, and divergent evolution in starch-related genes among accessions of Arabidopsis thaliana.   DOI:  10.1007/s11103-015-0293-2 ;  PMID:  25663508
• Degradation of Glucan Primers in the Absence of Starch Synthase 4 Disrupts Starch Granule Initiation in Arabidopsis.   DOI:  10.1074/jbc.M116.730648 ;  PMID:  27458017
• Starch Synthase 4 and Plastidal Phosphorylase Differentially Affect Starch Granule Number and Morphology.   DOI:  10.1104/pp.16.01859 ;  PMID:  28275148
• Homologs of PROTEIN TARGETING TO STARCH Control Starch Granule Initiation in Arabidopsis Leaves.   DOI:  10.1105/tpc.17.00222 ;  PMID:  28684429
• Auxin-mediated statolith production for root gravitropism.   DOI:  10.1111/nph.15932 ;  PMID:  31111487
• Starch Granule Size and Morphology of Arabidopsis thaliana Starch-Related Mutants Analyzed during Diurnal Rhythm and Development.   DOI:  10.3390/molecules26195859 ;  PMID:  34641402
• Further insight into the involvement of PII1 in starch granule initiation in Arabidopsis leaf chloroplasts.   DOI:  10.1111/nph.18923 ;  PMID:  37010093
• The Arabidopsis thaliana chloroplast proteome reveals pathway abundance and novel protein functions.   DOI:  10.1016/j.cub.2004.02.039 ;  PMID:  15028209
• Sorting signals, N-terminal modifications and abundance of the chloroplast proteome.   DOI:  10.1371/journal.pone.0001994 ;  PMID:  18431481

Sequences: