ArticlePlanta2012
Divergences of MPF2-like MADS-domain proteins have an association with the evolution of the inflated calyx syndrome within Solanaceae.
Article in Planta, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- Review
- The Physalis floridana genome provides insights into the biochemical and morphological evolution of Physalis fruits.Horticulture research · 2021Article
- Chinese lantern in Physalis is an advantageous morphological novelty and improves plant fitness.Scientific reports · 2019Article
- Evolutionary developmental genetics of fruit morphological variation within the Solanaceae.Frontiers in plant science · 2015Review
- Efficient gene silencing mediated by tobacco rattle virus in an emerging model plant physalis.PloS one · 2014Article
- Functional evolution of cis-regulatory modules of STMADS11 superclade MADS-box genes.Plant molecular biology · 2013Article
- The euAP1 protein MPF3 represses MPF2 to specify floral calyx identity and displays crucial roles in Chinese lantern development in Physalis.The Plant cell · 2013Article
- Transcriptome-wide mining of the differentially expressed transcripts for natural variation of floral organ size in Physalis philadelphica.Journal of experimental botany · 2012Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The inflated calyx syndrome (ICS) is a post-floral novelty within Solanaceae. Previous work has shown that MPF2-like MADS-box genes have been recruited for the development and evolution of ICS through heterotopic expression from vegetative to floral organs. ICS seems to be a plesiomorphic trait in Physaleae, but it has been secondarily lost in some lineages during evolution. We hypothesized that molecular and functional divergences of MPF2-like proteins might play a role in the loss of ICS. In this study we analyzed the phylogeny, selection and various functions of MPF2-like proteins with respect to the evolution of ICS. Directional selection of MPF2-like orthologs toward evolution of ICS was detected. While auto-activation capacity between proteins varies in yeast, MPF2-like interaction with floral MADS-domain proteins is robustly detected, hence substantiating their integration into the floral developmental programs. Dimerization with A- (MPF3) and E-function (PFSEP1/3) proteins seems to be essential for ICS development within Solanaceae. Moreover, the occurrence of the enlarged sepals, reminiscent of ICS, and MPF2-like interactions with these specific partners were observed in transgenic Arabidopsis. The interaction spectrum relevant to ICS seems to be plesiomorphic, reinforcing the plesiomorphy of this trait. The inability of some MPF2-like to interact with either the A-function or any of the E-function partners characterized is correlated with the loss of ICS in the lineages that showed a MPF2-like expression in the calyx. Our findings suggest that, after recruitment of MPF2-like genes for floral development, diversification in their coding region due to directional selection leads to a modification of the MADS-domain protein interacting spectrum, which might serve as a constraint for the evolution of ICS within Solanaceae.
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