Gene Details:

• MSU gene ID: LOC_Os05g05280
• RAPdb gene ID: Os05g0145000
• Gene Symbol: PTB1
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• Here we show that the domestication-related POLLEN TUBE BLOCKED 1 (PTB1), a RING-type E3 ubiquitin ligase, positively regulates the rice panicle seed setting rate by promoting pollen tube growth.
• Our results support the hypothesis that PTB1 is an important maternal sporophytic factor of pollen tube growth and a key modulator of the rice panicle seed setting rate.
• Natural variation in PTB1 regulates rice seed setting rate by controlling pollen tube growth.
• The natural variation in expression of PTB1 which is affected by the promoter haplotype and the environmental temperature, correlates with the rice panicle seed setting rate.

Function-related keywords:

• pollen ,  temperature ,  panicle ,  seed ,  growth ,  domestication

Literature:

• Natural variation in PTB1 regulates rice seed setting rate by controlling pollen tube growth .  DOI:  10.1038/ncomms3793 ;  PMID:  24240868

Related News:

Gene Resources:

• NCBI ID: KC425226
• UniProt accessions:

Sequences: