Analysis of the CYC/TB1 class of TCP transcription factors in basal angiosperms and magnoliids.

@article{Horn2015AnalysisOT,
  title={Analysis of the CYC/TB1 class of TCP transcription factors in basal angiosperms and magnoliids.},
  author={Stefanie Horn and Natalia Pab{\'o}n‐Mora and Vanessa S Theu{\ss} and Andrea W. U. Busch and Sabine Zachgo},
  journal={The Plant journal : for cell and molecular biology},
  year={2015},
  volume={81 4},
  pages={
          559-71
        }
}
Flower monosymmetry contributes to specialized interactions between plants and their insect pollinators. In the magnoliids, flower monosymmetry is exhibited only in the Aristolochiaceae (Piperales). Aristolochia flowers develop a calyx-derived monosymmetric perianth that enhances pollination success by a flytrap mechanism. Aristolochia arborea forms additionally a special perianth outgrowth that mimics a mushroom to attract flies, the mushroom mimicry structure (MMS). In core eudicots, members… 
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Evolutionary diversification of CYC/TB1-like TCP homologs and their recruitment for the control of branching and floral morphology in Papaveraceae (basal eudicots).

A comparative functional study in Ranunculales between Eschscholzia californica and Cysticapnos vesicaria, two species of Papaveraceae with actinomorphic and zygomorphic flowers, provides evidence of the importance of TCP/CYC-like genes in the promotion of morphological diversity across angiosperms.

CYCLOIDEA 2 Clade Genes: Key Players in the Control of Floral Symmetry, Inflorescence Architecture, and Reproductive Organ Development

Data from literature is discussed to suggest that CYC-like genes are also co-opted to regulate stamen and carpel differentiation likely throughout their interaction with the cell cycle and flower organ identity genes.

Flower Development and Perianth Identity Candidate Genes in the Basal Angiosperm Aristolochia fimbriata (Piperales: Aristolochiaceae)

Aristolochia fimbriata (Aristolochiaceae: Piperales) exhibits highly synorganized flowers with a single convoluted structure forming a petaloid perianth that surrounds the gynostemium, putatively…

Class II TCP gene evolution in perianth-bearing Piperales and their contribution to the bilateral calyx in Aristolochia.

expression analyses of all paralogs of class II TCP genes in Aristolochia fimbriata point to a role of CYC and CIN genes in maintaining differential perianth expansion during mid and late flower developmental stages by promoting cell division in the distal and ventral portion of the limb.

Evolution of Class II TCP genes in perianth bearing Piperales and their contribution to the bilateral calyx in Aristolochia

expression analyses of all paralogs of class II TCP genes in Aristolochia fimbriata point to a role of CYC and CIN genes in maintaining differential perianth expansion during mid- and late developmental stages by promoting cell division in the distal and ventral portion of the limb.

The expression and interactions of ABCE ‐ class and CYC 2 ‐ like genes in the capitulum development of Chrysanthemum lavandulifolium

It is indicated that A-class genes in chrysanthemums interacted with CYC2-like genes and might be involved in the identity of reproductive organs and ray florets, especially the differentiation of disc and Ray floret corollas.

Comprehensive Bioinformatics and Expression Analysis of TCP Transcription Factors in Liriodendron chinense Reveals Putative Abiotic Stress Regulatory Roles

A pivotal role for the TCP gene family during external environmental stresses in L. chinense is suggested, paving the way for further research on the functional verification of Liriodendron chinense TCPs.

Insights into angiosperm evolution, floral development and chemical biosynthesis from the Aristolochia fimbriata genome

A new, high-quality genome sequence of Aristolochia fimbriata is presented, a species that, similar to Amborella trichopoda, lacks further whole-genome duplications since the origin of extant angiosperms and is an excellent reference for inferences of angiosperm genome evolution.

Evolution and Expression Patterns of TCP Genes in Asparagales

This is the first large scale analysis of TCP-like genes in Asparagales that will serve as a platform for in-depth functional studies in emerging model monocots by comparison with previously reported functions in core eudicots and monocot.

Phytoplasma SAP11 effector destabilization of TCP transcription factors differentially impact development and defence of Arabidopsis versus maize

It is shown that a SAP11 homolog of Maize Bushy Stunt Phytoplasma (MBSP), which has a range primarily restricted to maize, destabilizes only TB1/CYC TCPs, and class II TCPs have overlapping but also distinct roles in regulating development and defence in a dicot and a monocot plant species that is likely to shape SAP11 effector evolution depending on the phy toplasma host range.

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