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Basic Information
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CGSNL Gene Symbol
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SUG
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Gene Symbol Synonym
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sug(su), su, sug1, su1, su-1
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CGSNL Gene Name
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SUGARY ENDOSPERM
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Gene Name Synonym
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sugary endosperm, sugary endosperm-1, sugary-1, sugary
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Protein Name
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Allele
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sugary-1
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Chromosome No.
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8
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Explanation
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Endosperm is wrinkled but translucent and hard [597]. The inner part of starch layer is not stained by I-KI solution, but the outer part is stained weakly [440]. PO:0009089; endosperm. GRO:0007045; 09-mature grain stage. sugary in Nakamura et al. 1992. The starch mutant sugary contains reduced activities of isoamylase1 (ISA1) (Kawagoe et al. 2005).
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Trait Class
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Seed - Morphological traits - Endosperm
Seed - Physiological traits - Storage substances
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Expression
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Sequence/Locus
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cDNA Accession No.
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-
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MSU ID
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-
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RAP ID
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-
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Links
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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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115.0
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Link map
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Classical linkage map
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References
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Kawagoe Y., Kubo A., Satoh H., Takaiwa F., Nakamura Y.
Plant J. 2005 42(2) 164-74
Roles of isoamylase and ADP-glucose pyrophosphorylase in starch granule synthesis in rice endosperm.
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Kubo A., Fujita N., Harada K., Matsuda T., Satoh H., Nakamura Y.
Plant Physiol. 1999 121(2) 399-410
The starch-debranching enzymes isoamylase and pullulanase are both involved in amylopectin biosynthesis in rice endosperm
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Nakamura Y., Kubo A., Shimamune T., Matsuda T., Harada K., Satoh H.
The Plant Journal 1997 12(1) 143-153
Correlation between activities of starch debranching enzyme and alpha-polyglucan structure in endosperms of sugary-1 mutants of rice
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Kubo, A., K. Harada, T. Shimamune, T. Matsuda, H. Sato and Y. Nakamura
Breeding Science 1996 46(Suppl. 2) 202
Influence of sugary-1 mutations on key enzymes of starch biosynthesis and polyglucan structure in developing endosperms of rice.
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Nakamura Y., Umemoto T., Takahata Y., Komae K., Amano E., Satoh H.
Physiol Plant 1996 97(3) 491-498
Changes in structure of starch and enzyme activities affected by sugary mutations in developing rice endosperm. Possible role of starch debranching enzyme (R-enzyme) in amylopectin biosynthesis
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Nakamura-Y
Plant Science 1996 121 1-18
Some properties of starch debranching enzymes and their possible role in amylopectin biosynthesis
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Ideta, O., A. Yoshimura, M. Ashikari and N. Iwata
RGN 1994 11 116-117.
Integration of conventional and RFLP linkage maps in rice.III. Choromosomes 5, 7, 8 and 12.
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Nakamura Y, Umemoto T, Takahata Y, Amano E
Gamma Field Symp. 1992 31 25-44
Characteristics and roles of key enzymes associated with starch biosynthesis in rice endosperm
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Khush, G.S. and R.J. Singh, S.C. Sur and A.L. Librojo
Genetics 1984 107 141-163.
Primary trisomics of rice Origin, morphology, cytology and use in linkage mapping.
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Iwata, N. and T. Omura
Jpn. J. Genet. 1984 59(3) 199-204.
Studies on the trisomics in rice plants (Oryza sativa L.). VI. An accomplishment of a trisomic series in japonica rice plants.
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Yano, M., Y. Isono, H. Satoh and T. Omura
Japan. J. Breed. 1984 34(1) 43-49.
Gene analysis of sugary and shrunken mutants of rice, Oryza sativa L.
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Iwata, N., H. Satoh and T. Omura
Japan. J. Breed. 1983 33(Suppl. 1) 114-115.
Linkage studies in rice.On some marker genes locating on chromosome 12.
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Satoh, H. and T. Omura
Japan. J. Breed. 1981 31(3) 316-326.
New endosperm mutations induced by chemical mutagen in rice, Oryza sativa L.
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DB Reference
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Gramene ID
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GR:0060948
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Ontologies
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Gene Ontology
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amyloplast starch grain( GO:0009568 )
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Trait Ontology
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sugary endosperm( TO:0000099 )
endosperm quality( TO:0000587 )
amylose content( TO:0000196 )
starch grain synthesis( TO:0002658 )
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Plant Ontology
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endosperm( PO:0009089 )
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Related Strains
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Stocks for Genes
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1
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F Lines
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6
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Phenotype images
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Click to full size image in new window
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Photo from
A. Yoshimura
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Last updated
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Jun 3, 2016
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Update info.