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The whorl-specific action of a petunia class B floral homeotic gene by Suguru Tsuchimoto; Tomoko Mayama; Alexander Van Der Krol; Eiichi Ohtsubo is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is The whorl-specific action of a petunia class B floral homeotic gene about?

## Background __GREEN PETAL__ (__GP__) is thought to be a petunia class B floral homeotic gene, because the __gp__ mutant flower displays a severe homeotic conversion of petals into sepals in the second whorl. However, since the third whorl stamens remain unaffected in the __gp__ null mutant, __gp__ is different from class B mutants in __Arabidopsis__ and __Antirrhinum__, which also show a conversion of the third whorl stamens into the carpelloid tissue. __BLIND__ (__BL__) is thought to be a petunia class A floral homeotic gene, because the __bl__ mutant flower displays homeotic conversions of sepals into the stigmatoid tissue in the first whorl and of the corolla limb into antheroid structures in the second whorl. ## Results A double mutant line homozygous for both __bl__ and __gp__ mutations was constructed. The __bl gp__ double mutant flower displays homeotic conversions of sepals into the stigmatoid tissue in the first whorl and of the corolla limb into antheroid structures with stigmatoid tips in the second whorl. In the third and fourth whorls of the mutant flower, organs remained unchanged. In the __gp__ flower, a petunia B‐type gene __FBP1__ is expressed strongly in the thi

Who reads The whorl-specific action of a petunia class B floral homeotic gene?

Author

Suguru Tsuchimoto; Tomoko Mayama; Alexander Van Der Krol; Eiichi Ohtsubo

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 1356-9597)

Published

2000

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)