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Petunia Ap2-like genes and their role in flower and seed development

Tamara Maes UGent, Nancy Van de Steene UGent, Johannes Zethof UGent, Mansour Karimi UGent, Mariëlla D'Hauw, Gwenny Mares, Marc Van Montagu UGent and Tom Gerats UGent (2001) PLANT CELL. 13(2). p.229-244
abstract
We have isolated three Apetala2 (Ap2)-like genes from petunia and studied their expression patterns by in situ hybridization, PhAp2A has a high sequence similarity to the A function gene Ap2 from Arabidopsis and a similar expression pattern during flower development, suggesting that they are cognate orthologs, PhAp2B and PhAp2C encode for AP2-like proteins that belong to a different subgroup of the AP2 family of transcription factors and exhibit divergent, nearly complementary expression patterns during flower development compared with PhAp2A, In contrast, all three PhAp2 genes are strongly expressed in endosperm. The phenotype of the petunia A-type mutant blind cannot be attributed to mutations in the petunia Ap2 homologs identified in this study, and reverse genetics strategies applied to identify phap2a mutants indicate that PhAp2A might not be essential for normal perianth development in petunia. Nevertheless, we show that PhAp2A is capable of restoring the homeotic transformations observed in flowers and seed of the ap2-1 mutant of Arabidopsis. Although the interspecific complementation proves that PhAp2A encodes a genuine Ap2 ortholog from petunia, additional factors may be involved in the control of perianth identity in this species.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ARABIDOPSIS-THALIANA, NONAUTONOMOUS TRANSPOSABLE ELEMENT, ECTOPIC EXPRESSION, APETALA2-LIKE GENE, PLANTS, MAIZE, DNA-BINDING PROTEINS, FLORAL ORGAN IDENTITY, MUTANT, AP2 DOMAIN
journal title
PLANT CELL
Plant Cell
volume
13
issue
2
pages
229 - 244
Web of Science type
Article
Web of Science id
000167545000001
JCR category
PLANT SCIENCES
JCR impact factor
11.081 (2001)
JCR rank
2/134 (2001)
JCR quartile
1 (2001)
ISSN
1040-4651
DOI
10.2307/3871273
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
138674
handle
http://hdl.handle.net/1854/LU-138674
date created
2004-01-14 13:37:00
date last changed
2016-12-19 15:37:50
@article{138674,
  abstract     = {We have isolated three Apetala2 (Ap2)-like genes from petunia and studied their expression patterns by in situ hybridization, PhAp2A has a high sequence similarity to the A function gene Ap2 from Arabidopsis and a similar expression pattern during flower development, suggesting that they are cognate orthologs, PhAp2B and PhAp2C encode for AP2-like proteins that belong to a different subgroup of the AP2 family of transcription factors and exhibit divergent, nearly complementary expression patterns during flower development compared with PhAp2A, In contrast, all three PhAp2 genes are strongly expressed in endosperm. The phenotype of the petunia A-type mutant blind cannot be attributed to mutations in the petunia Ap2 homologs identified in this study, and reverse genetics strategies applied to identify phap2a mutants indicate that PhAp2A might not be essential for normal perianth development in petunia. Nevertheless, we show that PhAp2A is capable of restoring the homeotic transformations observed in flowers and seed of the ap2-1 mutant of Arabidopsis. Although the interspecific complementation proves that PhAp2A encodes a genuine Ap2 ortholog from petunia, additional factors may be involved in the control of perianth identity in this species.},
  author       = {Maes, Tamara and Van de Steene, Nancy and Zethof, Johannes and Karimi, Mansour and D'Hauw, Mari{\"e}lla and Mares, Gwenny and Van Montagu, Marc and Gerats, Tom},
  issn         = {1040-4651},
  journal      = {PLANT CELL},
  keyword      = {ARABIDOPSIS-THALIANA,NONAUTONOMOUS TRANSPOSABLE ELEMENT,ECTOPIC EXPRESSION,APETALA2-LIKE GENE,PLANTS,MAIZE,DNA-BINDING PROTEINS,FLORAL ORGAN IDENTITY,MUTANT,AP2 DOMAIN},
  language     = {eng},
  number       = {2},
  pages        = {229--244},
  title        = {Petunia Ap2-like genes and their role in flower and seed development},
  url          = {http://dx.doi.org/10.2307/3871273},
  volume       = {13},
  year         = {2001},
}

Chicago
Maes, Tamara, Nancy Van de Steene, Johannes Zethof, Mansour Karimi, Mariëlla D’Hauw, Gwenny Mares, Marc Van Montagu, and Tom Gerats. 2001. “Petunia Ap2-like Genes and Their Role in Flower and Seed Development.” Plant Cell 13 (2): 229–244.
APA
Maes, Tamara, Van de Steene, N., Zethof, J., Karimi, M., D’Hauw, M., Mares, G., Van Montagu, M., et al. (2001). Petunia Ap2-like genes and their role in flower and seed development. PLANT CELL, 13(2), 229–244.
Vancouver
1.
Maes T, Van de Steene N, Zethof J, Karimi M, D’Hauw M, Mares G, et al. Petunia Ap2-like genes and their role in flower and seed development. PLANT CELL. 2001;13(2):229–44.
MLA
Maes, Tamara, Nancy Van de Steene, Johannes Zethof, et al. “Petunia Ap2-like Genes and Their Role in Flower and Seed Development.” PLANT CELL 13.2 (2001): 229–244. Print.