(r)evolution of gene regulatory networks controlling Arabidopsis plant reproduction: a two-decade history

Successful plant reproduction relies on the perfect orchestration of singular processes that culminate in the product of reproduction: the seed. The floral transition, floral organ development, and fertilization are well-studied processes and the genetic regulation of the various steps is being incr...

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Published in:Journal of experimental botany 2014-09, Vol.65 (17), p.4731-4745
Main Authors: Pajoro, Alice, Biewers, Sandra, Dougali, Evangelia, Leal Valentim, Felipe, Mendes, Marta Adelina, Porri, Aimone, Coupland, George, Van de Peer, Yves, van Dijk, Aalt D. J, Colombo, Lucia, Davies, Brendan, Angenent, Gerco C
Format: Article
Language:English
Subjects:
Arabidopsis
Arabidopsis - genetics
Arabidopsis - physiology
Arabidopsis thaliana
Auxins
Computational Biology
evolution
Flowering
FLOWERING NEWSLETTER REVIEW
Gene expression
Gene Regulatory Networks
Genes
Gibberellins
hormones
Meristems
Plant cells
Plant organs
plant reproduction
Proteins
regulator genes
Reproduction
topology
Transcription factors
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Summary:Successful plant reproduction relies on the perfect orchestration of singular processes that culminate in the product of reproduction: the seed. The floral transition, floral organ development, and fertilization are well-studied processes and the genetic regulation of the various steps is being increasingly unveiled. Initially, based predominantly on genetic studies, the regulatory pathways were considered to be linear, but recent genome-wide analyses, using high-throughput technologies, have begun to reveal a different scenario. Complex gene regulatory networks underlie these processes, including transcription factors, microRNAs, movable factors, hormones, and chromatin-modifying proteins. Here we review recent progress in understanding the networks that control the major steps in plant reproduction, showing how new advances in experimental and computational technologies have been instrumental. As these recent discoveries were obtained using the model species Arabidopsis thaliana, we will restrict this review to regulatory networks in this important model species. However, more fragmentary information obtained from other species reveals that both the developmental processes and the underlying regulatory networks are largely conserved, making this review also of interest to those studying other plant species.
ISSN:0022-0957
1460-2431
DOI:10.1093/jxb/eru233