FLOOZY of petunia is a flavin mono-oxygenase-like protein required for the specification of leaf and flower architecture. Tobeña-Santamaria, R., Bliek, M., Ljung, K., Sandberg, G., Mol, J. N. M., Souer, E., & Koes, R. Genes & Development, 16(6):753–763, March, 2002. Company: Cold Spring Harbor Laboratory Press Distributor: Cold Spring Harbor Laboratory Press Institution: Cold Spring Harbor Laboratory Press Label: Cold Spring Harbor Laboratory Press Publisher: Cold Spring Harbor Lab![FLOOZY of petunia is a flavin mono-oxygenase-like protein required for the specification of leaf and flower architecture [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The mechanisms that determine the relative positions of floral organs, and thereby their numbers, is a poorly understood aspect of flower development. We isolated a petunia mutant, floozy(fzy), in which the formation of floral organ primordia in the outermost three floral whorls and one of the two bracts at the base of the flower is blocked at an early stage. In addition, fzymutants fail to generate secondary veins in leaves and bracts and display a decreased apical dominance in the inflorescence. FZYencodes an enzyme with homology to flavin mono-oxygenases and appears to be the ortholog of YUCCA genes of Arabidopsis. FZY is expressed in young leafs and bracts and in developing flowers. In young floral meristems FZY is expressed in the center of the meristem dome and, later, expression becomes localized on the flanks of the initiating petal and stamen primordia and at several sites in maturing anthers and carpels. These findings indicate that FZY is involved in synthesizing a signaling compound that is required for floral organ initiation and specification of the vascularization pattern in leaves. Although fzy mutants contain normal auxin levels, ectopic expression of FZY results in excessive auxin accumulation, suggesting that the signaling compound is auxin.
@article{tobena-santamaria_floozy_2002,
title = {{FLOOZY} of petunia is a flavin mono-oxygenase-like protein required for the specification of leaf and flower architecture},
volume = {16},
issn = {0890-9369, 1549-5477},
url = {http://genesdev.cshlp.org/content/16/6/753},
doi = {10/d6fq3h},
abstract = {The mechanisms that determine the relative positions of floral organs, and thereby their numbers, is a poorly understood aspect of flower development. We isolated a petunia mutant, floozy(fzy), in which the formation of floral organ primordia in the outermost three floral whorls and one of the two bracts at the base of the flower is blocked at an early stage. In addition, fzymutants fail to generate secondary veins in leaves and bracts and display a decreased apical dominance in the inflorescence. FZYencodes an enzyme with homology to flavin mono-oxygenases and appears to be the ortholog of YUCCA genes of Arabidopsis. FZY is expressed in young leafs and bracts and in developing flowers. In young floral meristems FZY is expressed in the center of the meristem dome and, later, expression becomes localized on the flanks of the initiating petal and stamen primordia and at several sites in maturing anthers and carpels. These findings indicate that FZY is involved in synthesizing a signaling compound that is required for floral organ initiation and specification of the vascularization pattern in leaves. Although fzy mutants contain normal auxin levels, ectopic expression of FZY results in excessive auxin accumulation, suggesting that the signaling compound is auxin.},
language = {en},
number = {6},
urldate = {2021-10-19},
journal = {Genes \& Development},
author = {Tobeña-Santamaria, Rafael and Bliek, Mattijs and Ljung, Karin and Sandberg, Göran and Mol, Joseph N. M. and Souer, Erik and Koes, Ronald},
month = mar,
year = {2002},
pmid = {11914280},
note = {Company: Cold Spring Harbor Laboratory Press
Distributor: Cold Spring Harbor Laboratory Press
Institution: Cold Spring Harbor Laboratory Press
Label: Cold Spring Harbor Laboratory Press
Publisher: Cold Spring Harbor Lab},
keywords = {Flavin mono-oxygenase, flower development, leaf development, meristem initiation, transposon tagging, vascularization},
pages = {753--763},
}
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In addition, fzymutants fail to generate secondary veins in leaves and bracts and display a decreased apical dominance in the inflorescence. FZYencodes an enzyme with homology to flavin mono-oxygenases and appears to be the ortholog of YUCCA genes of Arabidopsis. FZY is expressed in young leafs and bracts and in developing flowers. In young floral meristems FZY is expressed in the center of the meristem dome and, later, expression becomes localized on the flanks of the initiating petal and stamen primordia and at several sites in maturing anthers and carpels. These findings indicate that FZY is involved in synthesizing a signaling compound that is required for floral organ initiation and specification of the vascularization pattern in leaves. 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