The <i>MADS29</i> Transcription Factor Regulates the Degradation of the Nucellus and the Nucellar Projection during Rice Seed Development

Yin, Linlin; Hou, Xue

doi:10.1105/tpc.111.094854

Cited by 157 publications

(184 citation statements)

References 63 publications

Supporting

Mentioning

174

Contrasting

Unclassified

Order By: Relevance

“…44). In rice, MADS29 is expressed in the nucellus, where it regulates seed development by controlling programmed cell death of the maternal tissues (45). Finally, the observed conservation of tissue-specific accumulation and phosphorylation within many TF families suggests that there are significant evolutionary constraints on diversification of TF function.…”

Section: Discussionmentioning

confidence: 99%

Reconstruction of protein networks from an atlas of maize seed proteotypes

Walley

Shen

Sartor

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

128

163

View full text Add to dashboard Cite

A comprehensive knowledge of proteomic states is essential for understanding biological systems. Using mass spectrometry, we mapped an atlas of developing maize seed proteotypes comprising 14,165 proteins and 18,405 phosphopeptides (from 4,511 proteins), quantified across eight tissues. We found that many of the most abundant proteins are not associated with detectable levels of their mRNAs, and we provide evidence for three potential explanations: transport of proteins between tissues; diurnal, outof-phase accumulation of mRNAs and cognate proteins; and differential lifetimes of mRNAs compared with proteins. Likewise, many of the most abundant mRNAs were not associated with detectable levels of their proteins. Across the entire dataset, protein abundance was poorly correlated with mRNA levels and was largely independent of phosphorylation status. Comparisons between proteotypes revealed the quantitative contribution of specific proteins and phosphorylation events to the spatially and temporally regulated starch and oil biosynthetic pathways. Reconstruction of signaling networks established associations of proteins and phosphoproteins with distinct biological processes acting during seed development. Additionally, a protein kinase substrate network was reconstructed, enabling the identification of 762 potential substrates of specific protein kinases. Finally, examination of 694 transcription factors revealed remarkable constraints on patterns of expression and phosphorylation within transcription factor families. These results provide a resource for understanding seed development in a crop that is the foundation of modern agriculture.quantitative proteomics | protein phosphorylation | systems biology A central goal of biology is to understand phenotype. Proteins make or regulate every component of cells, and therefore phenotype is an emergent property of the specific state of the proteome. The proteomic state of a cell is its proteotype, which integrates the constraints of its genotype, developmental history, and environment. Thus, a complete description of the proteotype should define a phenotype at the molecular level. Typically, measurements of mRNA abundance are used to infer the proteotype (1, 2). However, it has become clear that mRNA levels are poorly correlated with protein abundance (3-8). Proteomewide surveys are crucial for bridging this gap and defining specific cellular proteotypes.Maize is a model organism with a rich history in fundamental research in addition to being the world's largest production crop. The maize seed is a developmentally complex structure comprised of two major compartments, the diploid embryo and the triploid endosperm, that arise from two separate fertilization events (double fertilization) and are enclosed within the maternally derived pericarp (9). Like in other grasses, the maize endosperm is persistent throughout seed development (10). The endosperm consists primarily of starchy endosperm cells that are responsible for synthesis of starch and storage proteins and its peri...

show abstract

Section: Discussionmentioning

confidence: 99%

Reconstruction of protein networks from an atlas of maize seed proteotypes

Walley

Shen

Sartor

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

128

163

View full text Add to dashboard Cite

show abstract

“…The integuments undergo a rapid phase of cell division and expansion and follow different cell fates (Haughn and Chaudhury, 2005). In several plant species, the proximal region of the nucellus undergoes programmed cell death (PCD) and partially or totally disappears (Domínguez et al, 2001;Hiratsuka et al, 2002;Krishnan and Dayanandan, 2003;Greenwood et al, 2005;Lombardi et al, 2007;Radchuk et al, 2011;Yang et al, 2012;Yin and Xue, 2012). By contrast, the perisperm of quinoa seeds accumulates starch and follows a slower cell death program that retains the cell wall (López-Fernández and Maldonado, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…By contrast, the perisperm of quinoa seeds accumulates starch and follows a slower cell death program that retains the cell wall (López-Fernández and Maldonado, 2013). In some cereal grains, the nucellus cells positioned between the vascular bundle and the endosperm, termed the nucellar projection, undergo PCD but persist during seed development and become transfer cells (Domínguez et al, 2001;Yang et al, 2012;Yin and Xue, 2012). Proteases, nucleases, vacuolar processing enzymes, and JEKYLL proteins have all been implicated in nucellus PCD (Chen and Foolad, 1997;Dominguez and Cejudo, 1998;Linnestad et al, 1998;Radchuk et al, 2006Radchuk et al, , 2011Sreenivasulu et al, 2006;Lombardi et al, 2007;Nogueira et al, 2012;Yin and Xue, 2012;López-Fernández and Maldonado, 2013).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Endosperm and Nucellus Develop Antagonistically in Arabidopsis Seeds

et al. 2016

View full text Add to dashboard Cite

In angiosperms, seed architecture is shaped by the coordinated development of three genetically different components: embryo, endosperm, and maternal tissues. The relative contribution of these tissues to seed mass and nutrient storage varies considerably among species. The development of embryo, endosperm, or nucellus maternal tissue as primary storage compartments defines three main typologies of seed architecture. It is still debated whether the ancestral angiosperm seed accumulated nutrients in the endosperm or the nucellus. During evolution, plants shifted repeatedly between these two storage strategies through molecular mechanisms that are largely unknown. Here, we characterize the regulatory pathway underlying nucellus and endosperm tissue partitioning in Arabidopsis thaliana. We show that Polycomb-group proteins repress nucellus degeneration before fertilization. A signal initiated in the endosperm by the AGAMOUS-LIKE62 MADS box transcription factor relieves this Polycomb-mediated repression and therefore allows nucellus degeneration. Further downstream in the pathway, the TRANSPARENT TESTA16 (TT16) and GORDITA MADS box transcription factors promote nucellus degeneration. Moreover, we demonstrate that TT16 mediates the crosstalk between nucellus and seed coat maternal tissues. Finally, we characterize the nucellus cell death program and its feedback role in timing endosperm development. Altogether, our data reveal the antagonistic development of nucellus and endosperm, in coordination with seed coat differentiation.

show abstract

“…The contrasting expression of B and B sister genes has led to the hypothesis that the origin of these subfamilies played an important role in the evolution of male and female reproductive structures in seed plants (Becker et al, 2002). B sister genes control endothelium formation as well as later aspects of seed development in Arabidopsis (Nesi et al, 2002;Mizzotti et al, 2012), Petunia (de Folter et al, 2006) and rice (Yin and Xue, 2012), supporting a role for this subfamily in the evolution of the seed.Another major innovation in seed plant evolution was the origin of the angiosperm flower, as characterized by synorganization of female and male reproductive organs (Bateman et al, 2006). Given Development 139 (17) DEVELOPMENT 3091 REVIEW Development 139 (17) their important role in floral meristem formation, the SQUA and SEP subfamilies, which are only found in flowering plants (Becker and Theissen, 2003), could be key to the origin of flowers.…”

mentioning

confidence: 99%

Developmental and evolutionary diversity of plant MADS-domain factors: insights from recent studies

et al. 2012

View full text Add to dashboard Cite

SummaryMembers of the MADS-box transcription factor family play essential roles in almost every developmental process in plants. Many MADS-box genes have conserved functions across the flowering plants, but some have acquired novel functions in specific species during evolution. The analyses of MADS-domain protein interactions and target genes have provided new insights into their molecular functions. Here, we review recent findings on MADS-box gene functions in Arabidopsis and discuss the evolutionary history and functional diversification of this gene family in plants. We also discuss possible mechanisms of action of MADS-domain proteins based on their interactions with chromatin-associated factors and other transcriptional regulators. Key words: MADS-box genes, Plant development, Evolution, Transcriptional regulationIntroduction MADS-domain transcription factors comprise one of the beststudied gene families in plants and members of this family play prominent roles in plant development. Two decades ago, the first MADS-box genes AGAMOUS (AG) from Arabidopsis thaliana (Yanofsky et al., 1990) and DEFICIENS (DEF) from Antirrhinum majus (Schwarz-Sommer et al., 1990) were discovered as regulators of floral organ identity. The sequence of the ~60 amino acid DNA-binding domains within these proteins showed striking similarities to that of the previously characterized proteins serum response factor (SRF) in Homo sapiens (Norman et al., 1988) and Minichromosome maintenance 1 (Mcm1) in Saccharomyces cerevisiae (Passmore et al., 1988). This shared and conserved domain was named the MADS domain (for MCM1, AG, DEF and SRF) and is present in all MADS-domain transcription factor family members (Schwarz-Sommer et al., 1990). Structural analysis of animal and yeast MADS domains showed that the N-terminal and central parts of the MADS domain make contacts with the DNA, while the C-terminal part of this domain contributes mainly to protein dimerization, resulting in a DNA-binding protein dimer consisting of two interacting MADS monomers (e.g. Pellegrini et al., 1995;Huang et al., 2000). Over the past 22 years, many MADS-box gene functions were uncovered in the model species Arabidopsis thaliana and in other flowering plants. Important model plant species for MADS-box gene research include snapdragon (Antirrhinum majus) (reviewed by Schwarz-Sommer et al., 2003), tomato (Solanum lycopersicum), petunia (Petunia hybrida) (Gerats and Vandenbussche, 2005), gerbera (Gerbera hybrida) (Teeri et al., 2006) and rice (Oryza sativa) (reviewed by Yoshida and Nagato, 2011).Initially, MADS-box genes were found to be major players in floral organ specification, but more recent studies revealed functions for MADS-box genes in the morphogenesis of almost all organs and throughout the plant life cycle, from embryo to gametophyte development. The MADS-box gene family in higher plants is significantly larger than that found in animals or fungi, with more than 100 genes in representative flowering plant Development 139, 3081-3098 (2012) REVIEW Box 1...

show abstract

The MADS29 Transcription Factor Regulates the Degradation of the Nucellus and the Nucellar Projection during Rice Seed Development

Cited by 157 publications

References 63 publications

Reconstruction of protein networks from an atlas of maize seed proteotypes

Reconstruction of protein networks from an atlas of maize seed proteotypes

Endosperm and Nucellus Develop Antagonistically in Arabidopsis Seeds

Developmental and evolutionary diversity of plant MADS-domain factors: insights from recent studies

Contact Info

Product

Resources

About