New roles of NO TRANSMITTING TRACT and SEEDSTICK during medial domain development in Arabidopsis fruits

Herrera-Ubaldo, Humberto; Lozano-Sotomayor, Paulina; Ezquer, Ignacio; Marzo, Maurizio Di; Montes, Ricardo A. Chávez; Gómez-Felipe, Andrea; Pablo-Villa, Jeanneth; Díaz-Ramírez, David; Ballester, Patricia; Ferrándiz, Cristina; Sagasser, Martin; Colombo, Lucia; Marsch-Martínez, Nayelli; Folter, Stefan de

doi:10.1242/dev.172395

Cited by 26 publications

(49 citation statements)

References 118 publications

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“…We found similar functions as one of its interactors ARF8, which is involved in reproductive development (Nagpal et al, 2005;Wu et al, 2006). Furthermore, an example of another biologically relevant PPI present in the extended network is between NO TRANSMITTING TRACT (NTT) and SEEDSTICK (STK), which we recently reported as important for medial domain development and plant reproductive competence (Herrera-Ubaldo et al, 2018).…”

Section: Extended Network a Directed Search Of Novel Players In Gynosupporting

confidence: 68%

An interaction map of transcription factors controlling gynoecium development in Arabidopsis

Herrera-Ubaldo

Campos

Luna-García

et al. 2018

Preprint

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Flowers are composed of different organs, whose identity is defined at the molecular by the combinatorial activity of transcription factors (TFs). MADS-box TFs interact forming complexes that have been schematized in the quartet model. The gynoecium is the female reproductive part in the flower, crucial for plant reproduction, and fruit and seed production.Once carpel identity is established, a gynoecium containing many tissues arises. Several TFs have been identified as regulators of gynoecium development, and some of these TFs form complexes. However, broad knowledge about the interactions among these TFs is still scarce. In this work, we used a systems biology approach to understand the formation of a complex reproductive unit as the gynoecium by mapping binary interactions between wellcharacterized TFs. We analyzed over 3500 combinations and detected more than 200 protein-protein interactions (PPIs), resulting in a process specific interaction map.Topological analyses suggest hidden functions and novel roles for many TFs. Furthermore, a relationship between TFs involved in auxin and cytokinin signaling pathways and other TFs was observed. We analyzed the network by combining PPI data, expression and genetic data, allowing us to dissect it into several dynamic spatio-temporal sub-networks related to gynoecium development subprocesses.Arabidopsis has been studied for more than 20 years (Roeder and Yanofsky, 2006;Alvarez-Buylla et al., 2010). The accepted model for floral organ formation relies on the combinatorial action of mostly MADS-box proteins, resulting in the specification of the four whorls of the flower: sepals, petals, stamens and carpels (Coen and Meyerowitz, 1991).At the molecular level, MADS-box transcription factors (TFs) form complexes in order to regulate gene expression. For the female reproductive organs, the C-class and E-class

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Section: Extended Network a Directed Search Of Novel Players In Gynosupporting

confidence: 68%

An interaction map of transcription factors controlling gynoecium development in Arabidopsis

Herrera-Ubaldo

Campos

Luna-García

et al. 2018

Preprint

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“…Changes in pectin methylesterification occur in tomato, apple, and strawberry fruits during ripening; pectin methylesterification is also critical for proper seed development and germination [29,30], or root development [31,32]. The most abundant polysaccharides of the secondary CW are mannans, which play a key role for proper gynoecium, i.e., fruit transition [33,34].…”

Section: Plant Cell Wall Modifications Are Coordinated To Developmentmentioning

confidence: 99%

Plant Cell Walls Tackling Climate Change: Biotechnological Strategies to Improve Crop Adaptations and Photosynthesis in Response to Global Warming

Ezquer

Salameh

Colombo

et al. 2020

Plants

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Plant cell wall (CW) is a complex and intricate structure that performs several functions throughout the plant life cycle. The CW of plants is critical to the maintenance of cells' structural integrity by resisting internal hydrostatic pressures, providing flexibility to support cell division and expansion during tissue differentiation, and acting as an environmental barrier that protects the cells in response to abiotic stress. Plant CW, comprised primarily of polysaccharides, represents the largest sink for photosynthetically fixed carbon, both in plants and in the biosphere. The CW structure is highly varied, not only between plant species but also among different organs, tissues, and cell types in the same organism. During the developmental processes, the main CW components, i.e., cellulose, pectins, hemicelluloses, and different types of CW-glycoproteins, interact constantly with each other and with the environment to maintain cell homeostasis. Differentiation processes are altered by positional effect and are also tightly linked to environmental changes, affecting CW both at the molecular and biochemical levels. The negative effect of climate change on the environment is multifaceted, from high temperatures, altered concentrations of greenhouse gases such as increasing CO 2 in the atmosphere, soil salinity, and drought, to increasing frequency of extreme weather events taking place concomitantly, therefore, climate change affects crop productivity in multiple ways. Rising CO 2 concentration in the atmosphere is expected to increase photosynthetic rates, especially at high temperatures and under water-limited conditions. This review aims to synthesize current knowledge regarding the effects of climate change on CW biogenesis and modification. We discuss specific cases in crops of interest carrying cell wall modifications that enhance tolerance to climate change-related stresses; from cereals such as rice, wheat, barley, or maize to dicots of interest such as brassica oilseed, cotton, soybean, tomato, or potato. This information could be used for the rational design of genetic engineering traits that aim to increase the stress tolerance in key crops. Future growing conditions expose plants to variable and extreme climate change factors, which negatively impact global agriculture, and therefore further research in this area is critical.

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“…NTT and STK have similar expression patterns in the medial domain of the pistil (Herrera-Ubaldo et al, 2019). At anthesis, the ntt stk double mutant presents a number of cells composing the septum similar to wild type (Herrera-Ubaldo et al, 2019). However, in the ntt stk mutant siliques, there is a partial failure in septum fusion, and it appears to have holes.…”

Section: Introductionmentioning

confidence: 96%

“…Recently, NTT was found to interact with the MADS-domain transcription factor SEEDSTICK (STK) to control transmitting tract development (Herrera-Ubaldo et al, 2019). STK was previously identified for its role in ovule development and acts redundantly with other two MADS-box transcription factors SHATTERPROOF1 (SHP1) and SHP2 (Pinyopich et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

“…However, in the ntt stk mutant siliques, there is a partial failure in septum fusion, and it appears to have holes. The fact that the cell number composing the septum has not changed suggests that the abnormal fusion is not related to early stages of development but rather to later defects during epidermis formation (Herrera-Ubaldo et al, 2019). The partial failure of pollen tube growth in the ntt stk mutant is also caused by the absence of degeneration and collapse of the cells composing the septum and consequently the transmitting tract (Herrera-Ubaldo et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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MADS-Box and bHLH Transcription Factors Coordinate Transmitting Tract Development in Arabidopsis thaliana

et al. 2020

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The MADS-domain transcription factor SEEDSTICK (STK) controls several aspects of plant reproduction. STK is co-expressed with CESTA (CES), a basic Helix-Loop-Helix (bHLH) transcription factor-encoding gene. CES was reported to control redundantly with the brassinosteroid positive signaling factors BRASSINOSTEROID ENHANCED EXPRESSION1 (BEE1) and BEE3 the development of the transmitting tract. Combining the stk ces-4 mutants led to a reduction in ovule fertilization due to a defect in carpel fusion which, caused the formation of holes at the center of the septum where the transmitting tract differentiates. Combining the stk mutant with the bee1 bee3 ces-4 triple mutant showed an increased number of unfertilized ovules and septum defects. The transcriptome profile of this quadruple mutant revealed a small subset of differentially expressed genes which are mainly involved in cell death, extracellular matrix and cell wall development. Our data evidence a regulatory gene network controlling transmitting tract development regulated directly or indirectly by a STK-CES containing complex and reveal new insights in the regulation of transmitting tract development by bHLH and MADS-domain transcription factors.

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New roles of NO TRANSMITTING TRACT and SEEDSTICK during medial domain development in Arabidopsis fruits

Cited by 26 publications

References 118 publications

An interaction map of transcription factors controlling gynoecium development in Arabidopsis

An interaction map of transcription factors controlling gynoecium development in Arabidopsis

Plant Cell Walls Tackling Climate Change: Biotechnological Strategies to Improve Crop Adaptations and Photosynthesis in Response to Global Warming

MADS-Box and bHLH Transcription Factors Coordinate Transmitting Tract Development in Arabidopsis thaliana

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