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Basic Information
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CGSNL Gene Symbol
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TPS8
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Gene Symbol Synonym
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OsTPS8, OsTPS1, TPS1
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CGSNL Gene Name
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TREHALOSE-6-PHOSPHATE SYNTHASE 8
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Gene Name Synonym
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trehalose-6-phosphate synthase 1
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Protein Name
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TREHALOSE-6-PHOSPHATE SYNTHASE 8
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Allele
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ostps8, OsTPS8ASO, OsTPS8IR24, OsTPS8C50
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Chromosome No.
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8
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Explanation
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OsTPS8 is the gene responsible for chalkiness locus qPGWC-8. OsTPS1 in Liu et al. 2013, Zhang et al. 2018. GO:2000652: regulation of secondary cell wall biogenesis. GO:0160073: Casparian strip assembly. TO:0000931: seed quality trait. GO:2000883: positive regulation of starch catabolic process.
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Trait Class
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Character as QTL - Yield and productivity
Biochemical character
Vegetative organ - Root
Seed
Seed - Physiological traits
Tolerance and resistance - Stress tolerance
Character as QTL - Grain quality
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK072132
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MSU ID
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LOC_Os08g34580.1
LOC_Os08g34580.2
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RAP ID
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Os08g0445700
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Links
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Oryzabase Chromosome View
(
IRGSP 1.0
/
Build5
)
RAP-DB
(
IRGSP 1.0
/
Build5
)
Related IDs List (
IRGSP 1.0
/
Build5
)
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INSD Accession List
(Test version)
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-
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Map
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Locate(cM)
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Link map
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Classical linkage map
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References
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Chen X., Ren Y., Dong H., Jiang X., Zheng X., Duan E., Teng X., Wang Y., Gu C., Chen R., Wang Q., Wang Y., Zhang Y., Zhang R., Zhang Y., Zhao W., Zhang Y., Yang X., Zhou L., Li C., Shan T., Bao Y., Tian Y., Liu X., Liu S., Guo T., Chen M., Wang H., Wang Y., Wan J.
Nat. Genet. 2026 58(1) 206-217
Natural variation in OsTPS8 confers differential regulation of chalkiness and seed vigor in indica and japonica rice.
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Kim Y., Kim B., Kang J., Bae S.I., Yoon H., Shin H.J., Lee J.Y., Paek N.C., Kang K.
Plant J. 2025 123(5) e70469
ONAC005 enhances salt stress tolerance by promoting suberin deposition in root endodermis.
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Li Z., Wei X., Tong X., Zhao J., Liu X., Wang H., Tang L., Shu Y., Li G., Wang Y., Ying J., Jiao G., Hu H., Hu P., Zhang J.
Mol Plant 2022 15(4) 706-722
The OsNAC23-Tre6P-SnRK1a feed-forward loop regulates sugar homeostasis and grain yield in rice.
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Jiang Z., Chen Q., Chen L., Yang H., Zhu M., Ding Y., Li W., Liu Z., Jiang Y., Li G.
Front Plant Sci 2021 12 732867
Efficiency of Sucrose to Starch Metabolism Is Related to the Initiation of Inferior Grain Filling in Large Panicle Rice.
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Wang D., Li J., Sun L., Hu Y., Yu J., Wang C., Zhang F., Hou H., Liang W., Zhang D.
New Phytol. 2021 231(4) 1612-1629
Two rice MYB transcription factors maintain male fertility in response to photoperiod by modulating sugar partitioning.
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Jiang L., Zhong H., Jiang X., Zhang J., Huang R., Liao F., Deng Y., Liu Q., Huang Y., Wang H., Tao Y., Zheng J.
Front Plant Sci 2021 12 814928
Identification and Pleiotropic Effect Analysis of <i>GSE5</i> on Rice Chalkiness and grain shape.
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Vishal B., Krishnamurthy P., Ramamoorthy R., Kumar P.P.
New Phytol. 2019 221(3) 1369-1386
OsTPS8 controls yield-related traits and confers salt stress tolerance in rice by enhancing suberin deposition.
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Zhang D., Wang Y., Shen J., Yin J., Li D., Gao Y., Xu W., Liang J.
Rice (N Y) 2018 11(1) 45
OsRACK1A, encodes a circadian clock-regulated WD40 protein, negatively affect salt tolerance in rice.
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Liu H., Ma Y., Chen N., Guo S., Liu H., Guo X., Chong K., Xu Y.
Plant Cell Environ. 2013
Overexpression of stress-inducible OsBURP16, the beta-subunit of polygalacturonase 1, decreases pectin contents and cell adhesion, and increases abiotic stress sensitivity in rice.
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Zang B. , Li H. , Li W. , Deng X.W. , Wang X.
Plant Mol. Biol. 2011 76(6) 507-22
Analysis of trehalose-6-phosphate synthase (TPS) gene family suggests the formation of TPS complexes in rice.
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DB Reference
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Gramene ID
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-
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Ontologies
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Gene Ontology
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starch catabolic process( GO:0005983 )
cytosol( GO:0005829 )
regulation of carbohydrate metabolic process( GO:0006109 )
response to salt stress( GO:0009651 )
plant-type cell wall organization( GO:0009664 )
catalytic activity( GO:0003824 )
trehalose biosynthetic process( GO:0005992 )
sugar mediated signaling( GO:0010182 )
seed maturation( GO:0010431 )
response to abscisic acid stimulus( GO:0009737 )
abscisic acid mediated signaling( GO:0009738 )
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Trait Ontology
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seed maturation( TO:0002661 )
oligosaccharide content( TO:0006003 )
salt tolerance( TO:0006001 )
abscisic acid sensitivity( TO:0000615 )
yield trait( TO:0000371 )
potassium content( TO:0000609 )
sodium content( TO:0000608 )
sugar content( TO:0000333 )
total soluble sugar content( TO:0000340 )
sucrose content( TO:0000328 )
glucose content( TO:0000300 )
fructose content( TO:0006005 )
chalky endosperm( TO:0000266 )
vigor related trait( TO:0000250 )
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Plant Ontology
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seed maturation stage( PO:0007632 )
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Related Strains
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Phenotype images
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Last updated
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Jul 31, 2026
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Update info.