Update info.Gene - Detail
Detail of Gene
| Basic Information | |
|---|---|
| CGSNL Gene Symbol | HWE2 |
| Gene Symbol Synonym | OsHWE2, OsEAF6/HWE2, OsEAF6, EAF6, HWS1, OsHWS1, MSHB1, OsMSHB1 |
| CGSNL Gene Name | HYBRID WEAKNESS E2 |
| Gene Name Synonym | hybrid weakness e2, hybrid weakness-e2, Esa1-associated factor 6, Hybrid Weakness and Sterility 1, Male Sterility-Related Hybrid Breakdown Locus on Chromosome 1 |
| Protein Name | |
| Allele | hwe2, hwe2-j, Hwe2-i, HWS1CG14, hwe1, hws1WYJ7, MSHB1BAS, MSHB1HHZ, MSHB1Nip |
| Chromosome No. | 1 |
| Explanation | This gene causes hybrid weakness complementarily with hwe1 gene. The hwe2 gene is located on chromosome 1 flanked by RFLP markers R3192 and C1211. OsEAF6 paralogs. HWS1 in Liao et al. 2024. GO:1902562: H4 histone acetyltransferase complex. GO:0080186: developmental vegetative growth. GO:0061458: reproductive system development. |
| Trait Class |
Reproductive organ - Pollination, fertilization, fertility - Hybrid weakness
Reproductive organ - Pollination, fertilization, fertility - Hybrid sterility, hybrid weakness |
| Expression | |
| Sequence/Locus | |
| cDNA Accession No. | - |
| MSU ID |
LOC_Os01g13250.1
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| RAP ID |
Os01g0233400 |
| Links |
Oryzabase Chromosome View
(
IRGSP 1.0
/
Build5
)
RAP-DB ( IRGSP 1.0 / Build5 ) Related IDs List ( IRGSP 1.0 / Build5 ) |
|
INSD Accession List (Test version) |
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| Map | |
| Locate(cM) | |
| Link map | Classical linkage map |
| References | |
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Wang X., Zhang Z., Zhao J., Chen M., Gong J., Han Y., Wei X., Huang X., Fan J.
Mol. Breed. 2026 46(1) 9 Fine mapping and cloning of an intersubspecific reproductive isolation locus <i>MSHB1</i> in rice.
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Liao B., Xiang Y.H., Li Y., Yang K.Y., Shan J.X., Ye W.W., Dong N.Q., Kan Y., Yang Y.B., Zhao H.Y., Yu H.X., Lu Z.Q., Zhao Y., Zhao Q., Guo D., Guo S.Q., Lei J.J., Mu X.R., Cao Y.J., Han B., Lin H.X.
Nat Commun 2024 15(1) 996 Dysfunction of duplicated pair rice histone acetyltransferases causes segregation distortion and an interspecific reproductive barrier.
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Kubo T., Yoshimura A., Kurata N.
Front Plant Sci 2022 13 866404 Loss of OsEAF6, a Subunit of the Histone Acetyltransferase Complex, Causes Hybrid Breakdown in Intersubspecific Rice Crosses.
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Kubo, T. and A. Yoshimura
Theor. Appl. Genet. 2002 105 906-911 Genetic basis of hybrid breakdown in a Japonica/Indica cross of rice, Oryza sativa L.
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| DB Reference | |
| Gramene ID | - |
| Ontologies | |
| Gene Ontology |
male gamete generation( GO:0048232 )
female gamete generation( GO:0007292 ) regulation of transcription, DNA-dependent( GO:0006355 ) thiamin metabolic process( GO:0006772 ) biotin metabolic process( GO:0006768 ) regulation of lipid biosynthetic process( GO:0046890 ) embryo sac development( GO:0009553 ) post-embryonic development( GO:0009791 ) cellularization of the embryo sac( GO:0009558 ) regulation of lipid transport( GO:0032368 ) pollen exine formation( GO:0010584 ) chromatin organization( GO:0006325 ) histone acetylation( GO:0016573 ) histone acetyltransferase complex( GO:0000123 ) nucleus( GO:0005634 ) cell division( GO:0051301 ) recognition of pollen( GO:0048544 ) multicellular organismal development( GO:0007275 ) gamete generation( GO:0007276 ) meiotic cell cycle( GO:0051321 ) cell fate determination( GO:0001709 ) regulation of gene expression, epigenetic( GO:0040029 ) tapetal layer development( GO:0048658 ) |
| Trait Ontology |
palea number( TO:0000209 )
anther shape( TO:0000214 ) pollen sterility( TO:0000053 ) hybrid incompatibility( TO:0000036 ) chlorophyll content( TO:0000495 ) pistil anatomy and morphology trait( TO:0000223 ) flower anatomy and morphology trait( TO:0000499 ) growth and development trait( TO:0000357 ) stem length( TO:0000576 ) male sterility( TO:0000437 ) female sterility( TO:0000358 ) panicle size( TO:0006032 ) spikelet number( TO:0000456 ) seed set percent( TO:0000455 ) embryosac abortion( TO:0000416 ) heterosis( TO:0000355 ) pollen fertility( TO:0000421 ) seed fertility( TO:0000639 ) plant height( TO:0000207 ) panicle number( TO:0000152 ) panicle length( TO:0000040 ) |
| Plant Ontology |
flower( PO:0009046 )
leaf( PO:0025034 ) stem( PO:0009047 ) spikelet( PO:0009051 ) inflorescence( PO:0009049 ) |
| Related Strains | |
| Stocks for Genes | 1 |
| Phenotype images | |
| - | |
| Last updated | |
| Aug 10, 2026 | |
