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Genetic and epigenetic aspects of somaclonal variation: flower colour bud sports in azalea, a case study

Sandra De Schepper, Pierre Debergh, Erik Van Bockstaele, Marc De Loose UGent, Tom Gerats UGent and Anna Depicker UGent (2003) SOUTH AFRICAN JOURNAL OF BOTANY. 69(2). p.117-128
abstract
Bud sporting is the consequence of sudden variations in gene expression of somatic cells, leading to the occurrence of phenotypically altered shoots on plants. This phenomenon can be observed in most vegetatively propagated plant species and finds its origin in genetic as well as epigenetic events. In azalea the frequent occurrence of flower colour sports is appreciated as. a valuable additional source of variation;more than half of the commercial assortment consists of flower colour bud sports. However, when clonal uniformity is desired for registration (Distinctness Uniformity Stability, DUS) and mass propagation, this somaclonal variation is perceived as a hindrance. Insight into the molecular mechanism(s) underlying the induction of bud sporting might improve breeding strategies, towards the appropriate choice of cultivars in hybridisation experiments. The complex beauty of sport phenotypes clearly indicates interactions within and between genetic and epigenetic mechanisms. Therefore, using azalea somaclonal variation as a model, a review of the literature on various genetic and epigenetic phenomena that regulate or influence gene expression, as well as on the links that exist between them is presented.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (review)
publication status
published
subject
keyword
DOUBLE-STRANDED-RNA, RHODODENDRON-SIMSII-PLANCH, TRANSPOSABLE ELEMENTS, DNA METHYLATION, CYTOSINE METHYLATION, ARABIDOPSIS-THALIANA, LYSINE-9 METHYLATION, CHROMATIN-STRUCTURE, HISTONE ACETYLATION, PERICLINAL CHIMERAS
journal title
SOUTH AFRICAN JOURNAL OF BOTANY
S. Afr. J. Bot.
volume
69
issue
2
pages
117 - 128
Web of Science type
Review
Web of Science id
000184931900001
JCR category
PLANT SCIENCES
JCR impact factor
0.462 (2003)
JCR rank
103/136 (2003)
JCR quartile
4 (2003)
ISSN
0254-6299
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
212218
handle
http://hdl.handle.net/1854/LU-212218
date created
2004-04-22 13:48:00
date last changed
2016-12-19 15:38:14
@article{212218,
  abstract     = {Bud sporting is the consequence of sudden variations in gene expression of somatic cells, leading to the occurrence of phenotypically altered shoots on plants. This phenomenon can be observed in most vegetatively propagated plant species and finds its origin in genetic as well as epigenetic events. In azalea the frequent occurrence of flower colour sports is appreciated as. a valuable additional source of variation;more than half of the commercial assortment consists of flower colour bud sports. However, when clonal uniformity is desired for registration (Distinctness Uniformity Stability, DUS) and mass propagation, this somaclonal variation is perceived as a hindrance. Insight into the molecular mechanism(s) underlying the induction of bud sporting might improve breeding strategies, towards the appropriate choice of cultivars in hybridisation experiments. The complex beauty of sport phenotypes clearly indicates interactions within and between genetic and epigenetic mechanisms. Therefore, using azalea somaclonal variation as a model, a review of the literature on various genetic and epigenetic phenomena that regulate or influence gene expression, as well as on the links that exist between them is presented.},
  author       = {De Schepper, Sandra and Debergh, Pierre and Van Bockstaele, Erik and De Loose, Marc and Gerats, Tom and Depicker, Anna},
  issn         = {0254-6299},
  journal      = {SOUTH AFRICAN JOURNAL OF BOTANY},
  keyword      = {DOUBLE-STRANDED-RNA,RHODODENDRON-SIMSII-PLANCH,TRANSPOSABLE ELEMENTS,DNA METHYLATION,CYTOSINE METHYLATION,ARABIDOPSIS-THALIANA,LYSINE-9 METHYLATION,CHROMATIN-STRUCTURE,HISTONE ACETYLATION,PERICLINAL CHIMERAS},
  language     = {eng},
  number       = {2},
  pages        = {117--128},
  title        = {Genetic and epigenetic aspects of somaclonal variation: flower colour bud sports in azalea, a case study},
  volume       = {69},
  year         = {2003},
}

Chicago
De Schepper, Sandra, Pierre Debergh, Erik Van Bockstaele, Marc De Loose, Tom Gerats, and Anna Depicker. 2003. “Genetic and Epigenetic Aspects of Somaclonal Variation: Flower Colour Bud Sports in Azalea, a Case Study.” South African Journal of Botany 69 (2): 117–128.
APA
De Schepper, Sandra, Debergh, P., Van Bockstaele, E., De Loose, M., Gerats, T., & Depicker, A. (2003). Genetic and epigenetic aspects of somaclonal variation: flower colour bud sports in azalea, a case study. SOUTH AFRICAN JOURNAL OF BOTANY, 69(2), 117–128.
Vancouver
1.
De Schepper S, Debergh P, Van Bockstaele E, De Loose M, Gerats T, Depicker A. Genetic and epigenetic aspects of somaclonal variation: flower colour bud sports in azalea, a case study. SOUTH AFRICAN JOURNAL OF BOTANY. 2003;69(2):117–28.
MLA
De Schepper, Sandra, Pierre Debergh, Erik Van Bockstaele, et al. “Genetic and Epigenetic Aspects of Somaclonal Variation: Flower Colour Bud Sports in Azalea, a Case Study.” SOUTH AFRICAN JOURNAL OF BOTANY 69.2 (2003): 117–128. Print.