- Information
- Symbol: An-1
- MSU: LOC_Os04g28280
- RAPdb: Os04g0350700
- PSP score
- LOC_Os04g28280.1: 0.9556
- PLAAC score
- LOC_Os04g28280.1: 0
- pLDDT score
- 65.02
- Protein Structure from AlphaFold and UniProt
- Publication
- Genbank accession number
- Key message
- The nearly-isogenic line (NIL-An-1) carrying a wild allele An-1 in the genetic background of the awnless indica Guangluai4 produces long awns and longer grains, but significantly fewer grains per panicle compared with Guangluai4
- Thus, we propose that awn loss was favored and strongly selected by humans, as genetic variations at the An-1 locus that cause awn loss would increase grain numbers and subsequently improve grain yield in cultivated rice
- Transgenic studies confirmed that An-1 positively regulates awn elongation, but negatively regulates grain number per panicle
- An-1 encodes a basic helix-loop-helix protein that regulates awn development, grain size, and grain number in rice
- We report here the molecular cloning of a major quantitative trait locus, An-1, which regulates long awn formation in O
- Genetic variations in the An-1 locus were found to be associated with awn loss in cultivated rice
- An-1 encodes a basic helix-loop-helix protein, which regulates cell division
- Connection
- An-1, LABA1~OsLOGL6~An-2, An-2 Encodes a Cytokinin Synthesis Enzyme That Regulates Awn Length and Grain Production in Rice., Expressional analysis demonstrates that An-1 regulates the formation of awn primordial, and An-2 promotes awn elongation
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