Matteo Riboni

VigExp: A functionally verified platform for aiding cowpea ( Vigna unguiculata ) and related legume crop improvement

Huanan Su, Danielle Mazurkiewicz, Nial Rau Gursanscky, Matteo Riboni et autres

ABSTRACT Legumes include some of the world’s most significant crop species, such as cowpea ( Vigna unguiculata ), a subsistence crop widely grown in sub-Saharan Africa. Despite their importance, legume crop improvement is hindered by a lack of high-resolution expression data, particularly …

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BABYBOOM -like expression in the cowpea egg and central cell enables parthenogenesis, endosperm development, and viable haploid seed formation

Itzel Amasende-Morales, Osvaldo Ruíz-Maciel, Gloria León-Martínez, Joann A. Conner et autres

Introductory Paragraph (Nature Plants format) Parthenogenesis or fertilization-independent embryogenesis occurs at low frequency in sexual plants. Expression of BABYBOOM-like ( BBML ) and PARTHENOGENESIS ( PAR ) genes in the egg cell of several diploid dicot crops induce parthenogenesis at varying frequency; …

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GIGANTEA Is a Negative Regulator of Abscisic Acid Transcriptional Responses and Sensitivity in Arabidopsis

Beata Siemiątkowska, Matteo Chiara, Matteo Riboni, Francesca D’Avila et autres

Transcriptional reprogramming plays a key role in drought stress responses, preceding the onset of morphological and physiological acclimation. The best-characterized signal regulating gene expression in response to drought is the phytohormone abscisic acid (ABA). ABA-regulated gene expression, biosynthesis and signaling are highly …

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Proton‐pumping pyrophosphatase homeolog expression is a dynamic trait in bread wheat ( Triticum aestivum )

Daniel Jamie Menadue, Matteo Riboni, Ute Baumann, Rhiannon K. Schilling et autres

Abstract Proton‐pumping pyrophosphatases (H+‐PPases) have been shown to enhance biomass and yield. However, to date, there has been little work towards identify genes encoding H+‐PPases in bread wheat (Triticum aestivum) (TaVPs) and limited knowledge on how the expression of these genes varies …

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Hybrid breeding in wheat: how shaping floral biology can offer new perspectives

Caterina Selva, Matteo Riboni, Ute Baumann, Tobias Würschum et autres

Hybrid breeding in wheat (Triticum aestivum L.) has the potential to deliver major yield increases. This is a requisite to guarantee food security for increasing population demands and to counterbalance the effects of extreme environmental conditions. Successful hybrid breeding in wheat relies …

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Strengths and Weaknesses of National Variety Trial Data for Multi-Environment Analysis: A Case Study on Grain Yield and Protein Content

Vahid Rahimi Eichi, Mamoru Okamoto, Trevor Garnett, Paul Eckermann et autres

Multi-environment trial studies provide an opportunity for the detailed analysis of complex traits. However, conducting trials across a large number of regions can be costly and labor intensive. The Australian National Variety Trials (NVT) provide grain yield and protein content (GPC) data …

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Gene expression in isolated cowpea (Vigna unguiculata L. Walp) cells from meiosis to seed initiation

Nial Rau Gursanscky, Danielle Mazurkiewicz, Martina Juranić, Susan D. Johnson et autres

Abstract Molecular knowledge of pathways regulating seed formation in legumes, remains scarce. Thirteen isolated cell-type transcriptomes were developed, spanning temporal events of male and female gametogenesis and seed initiation, to examine pathways involved in cowpea seed formation. In situ hybridization confirmed localization …

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DREB/CBF expression in wheat and barley using the stress‐inducible promoters of HD‐Zip I genes: impact on plant development, stress tolerance and yield

Yunfei Yang, Hadi Hussein Al-Baidhani, John C. Harris, Matteo Riboni et autres

Networks of transcription factors regulate diverse physiological processes in plants to ensure that plants respond to abiotic stresses rapidly and efficiently. In this study, expression of two DREB/CBF genes, TaDREB3 and TaCBF5L, was modulated in transgenic wheat and barley, by using stress-responsive …

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Opposite fates of the purine metabolite allantoin under water and nitrogen limitations in bread wheat

Alberto Casartelli, Vanessa Jane Melino, Ute Baumann, Matteo Riboni et autres

Degradation of nitrogen-rich purines is tightly and oppositely regulated under drought and low nitrogen supply in bread wheat. Allantoin is a key target metabolite for improving nitrogen homeostasis under stress. The metabolite allantoin is an intermediate of the catabolism of purines (components …

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Overexpression of the class I homeodomain transcription factor Ta HDZ ipI‐5 increases drought and frost tolerance in transgenic wheat

Yunfei Yang, Sukanya Luang, John C. Harris, Matteo Riboni et autres

Characterization of the function of stress-related genes helps to understand the mechanisms of plant responses to environmental conditions. The findings of this work defined the role of the wheat TaHDZipI-5 gene, encoding a stress-responsive homeodomain-leucine zipper class I (HD-Zip I) transcription factor, …

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ABA-dependent control of GIGANTEA signalling enables drought escape via up-regulation of FLOWERING LOCUS T in Arabidopsis thaliana

Matteo Riboni, Alice Robustelli Test, Massimo Galbiati, Chiara Tonelli et autres

One strategy deployed by plants to endure water scarcity is to accelerate the transition to flowering adaptively via the drought escape (DE) response. In Arabidopsis thaliana, activation of the DE response requires the photoperiodic response gene GIGANTEA (GI) and the florigen genes …

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Molecular Basis of the ABA Dependent Modulation of CONSTANS Activity in Drought Escape Response

Agnese Robustelli Test, Matteo Riboni, Sara Castelletti, Massimo Galbiati et autres