- Information
- Symbol: OsBSK2
- MSU: LOC_Os10g42110
- RAPdb: Os10g0571300
- Publication
- OsBSK1-2, an Orthologous of AtBSK1, Is Involved in Rice Immunity., 2017, Front Plant Sci.
- OsBSK2, a putative brassinosteroid-signaling kinase, positively controls grain size in rice., 2022, J Exp Bot.
- The divergence of brassinosteroid sensitivity between rice subspecies involves natural variation conferring altered internal auto-binding of OsBSK2., 2022, J Integr Plant Biol.
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Genbank accession number
- Key message
- OsBSK2 directly interacts with the BR receptor kinase OsBRI1, however, genetic experiments have demonstrated that OsBSK2 likely regulates grain size independently of the BR signaling pathway
- OsBSK2 can form a homodimer or heterodimers with OsBSK3 and OsBSK4, and silencing OsBSK2, OsBSK3, and OsBSK4 reduced grain size
- MutMap-based gene mapping and transgenic experiments demonstrated that GLW10 encodes a putative brassinosteroid (BR)-signaling kinase, OsBSK2
- OsBSK2 is a plasma membrane protein, and an N-myristoylation site is needed for both its membrane localization and functions
- Finally, we determined that OsBSK2 is involved in a number of divergent traits in japonica relative to indica rice, including grain shape, tiller number, cold adaptation, and nitrogen-use efficiency
- OsBSK2(L13) in indica plays a greater role in BR signaling than OsBSK2(P13) in japonica by affecting the auto-binding and protein accumulation of OsBSK2
- Our study suggests that the natural variation in OsBSK2 plays a key role in the divergence of BR signaling, which underlies multiple divergent traits between japonica and indica
- Connection
- D61~OsBRI1~OsBRKq1, OsBSK2, OsBSK2, a putative brassinosteroid-signaling kinase, positively controls grain size in rice., OsBSK2 directly interacts with the BR receptor kinase OsBRI1, however, genetic experiments have demonstrated that OsBSK2 likely regulates grain size independently of the BR signaling pathway
- OsBSK2, OsBSK3, OsBSK2, a putative brassinosteroid-signaling kinase, positively controls grain size in rice., OsBSK2 can form a homodimer or heterodimers with OsBSK3 and OsBSK4, and silencing OsBSK2, OsBSK3, and OsBSK4 reduced grain size
- OsBSK2, OsBSK4, OsBSK2, a putative brassinosteroid-signaling kinase, positively controls grain size in rice., OsBSK2 can form a homodimer or heterodimers with OsBSK3 and OsBSK4, and silencing OsBSK2, OsBSK3, and OsBSK4 reduced grain size
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