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Agronomic treatments combined with embryo rescue for rapid generation advancement in tomato speed breeding

Horticultural Plant Journal 2025年第1期11卷 239-250页

作者： esther gimeno-paez Jaime Prohens Maria Moreno-Cervero Ana de Luis-Margarit Maria Jose Diez Pietro Gramazio Escuela de Doctorado Universidad Catolica de Valencia San Vicente MartirGuillem de Castro 9446001 ValenciaSpain Instituto de Conservaciony Mejora dela Agrodiversidad Valenciana Universitat Politecnica de ValenciaCamino de Vera 1446022 ValenciaSpain Departamento de Ciencias Experimentales y Matematicas Facultad de Veterinaria y Ciencias ExperimentalesUniversidad Catolica de Valencia San Vicente MartirGuillem de Castro 9446001 ValenciaSpain

Unlike other major crops,little research has been performed on tomato to reduce the generation time for speed *** evaluated several agronomic treatments to reduce the generation time of tomato in the‘M82'(determinate)and‘Moneymaker'(indeterminate)varieties and evaluated the best combination in conjunction with embryo *** container sizes with volumes of 0.2 L(XS),0.45 L(S),0.8 L(M),1.3 L(L),and6 L(XL),were evaluated in the first experiment under the autumn *** found that plants grown in XL containers exhibited better development and required less time from sowing to anthesis(DSA)and from anthesis to fruit ripening(DAR).In the second experiment,using XL containers in the autumn-winter cycle,we evaluated the effects of cold priming at the cotyledonary stage,water stress,P supplementation,and K supplementation on generation *** to the control,we found that cold priming significantly reduced the number of leaves,plant height to first the inflorescence,and DSA(2.7 d),whereas K supplementation reduced the DAR(8.8 d).In contrast,water stress and P supplementation did not significantly affect any of the measured traits like DAR,DSA or fruit *** validate these data,in a third experiment with XL containers in the spring-summer cycle,the combination of cold priming and K supplementation was tested,confirming the significant effect of this combination on the reduction of generation time(2.9 d for DSA and 3.9 d for DAR)compared to the *** rescue during the cell expansion cycle(average of 22.0 d and 23.3 d after anthesis for‘M82'and‘Moneymaker',respectively)allowed the shortening of the generation time by 8.7 d in‘M82'and 11.6 d in‘Moneymaker'compared to the in planta fruit *** combination of agronomic treatments with embryo rescue can effectively increase the number of generations per year from three to four for speed breeding of tomato.

关键词： Solanum lycopersicum Generation time Speed breeding Container size Cold priming K supplementation Embryo rescue

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Exploiting the diversity of tomato:the development of a phenotypically and genetically detailed germplasm collection

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Horticulture Research 2020年第1期7卷 1941-1954页

作者： Estefanía Mata-Nicolás Javier Montero-Pau esther gimeno-paez Víctor Garcia-Carpintero Peio Ziarsolo Naama Menda Lukas A.Mueller JoséBlanca Joaquín Cañizares esther van der Knaap María JoséDíez Instituto Universitario de Conservación y Mejora de la Agrodiversidad Valenciana.COMAV.Universitat Politècnica de València ValenciaSpain Department of Biochemistry and Molecular Biology Universitat de ValènciaValenciaSpain Boyce Thompson Institute IthacaNYUSA Institute of Plant Breeding Genetics and GenomicsUniversity of GeorgiaGeorgiaGAUSA Department of Horticulture University of GeorgiaGeorgiaGAUSA

A collection of 163 accessions,including Solanum pimpinellifolium,Solanum lycopersicum *** and Solanum lycopersicum ***,was selected to represent the genetic and morphological variability of tomato at its centers of origin and domestication:Andean regions of Peru and Ecuador and *** collection is enriched with *** *** from the Amazonian region that has not been analyzed previously nor used *** collection has been morphologically characterized showing diversity for fruit,flower and vegetative *** genomes were sequenced in the Varitome project and are publicly available(***/projects/varitome).The identified SNPs have been annotated with respect to their impact and a total number of 37,974 out of 19,364,146 SNPs have been described as high impact by the SnpEeff *** has shown associations for different traits,demonstrating the potential of this collection for this kind of *** have not only identified known QTLs and genes,but also new regions associated with traits such as fruit color,number of flowers per inflorescence or inflorescence *** speed up and facilitate the use of this information,F2 populations were constructed by crossing the whole collection with three different *** F2 collection is useful for testing SNPs identified by GWAs,selection sweeps or any other candidate *** data is available on Solanaceae Genomics Network and the accession and F2 seeds are freely available at COMAV and at TGRC *** these resources together make this collection a good candidate for genetic studies.

关键词： germplasm collection traits

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Site-directed cysteine coupling of disulfide-containing non-antibody carrier proteins(THIOCAPs)

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Science China Materials 2023年第10期66卷 4109-4120页

作者： Ariana Rueda Julian I.Mendoza Lorena Alba-Castellon Eloi Parladé Eric Voltà-Durán David paez Anna Avino Ramon Eritja esther Vázquez Antonio Villaverde Ramón Mangues Ugutz Unzueta Institut d'Investigació Biomèdica Sant Pau(IIB Sant Pau) Sant Quintí 77-7908041 BarcelonaSpain Josep Carreras Leukaemia Research Institute(IJC Campus Sant Pau) 08041 BarcelonaSpain CIBER de Bioingeniería Biomateriales y NanomedicinaInstituto de Salud Carlos Ⅲ28029 MadridSpain Institut de Biotecnologia i de Biomedicina Universitat Autònoma de Barcelona08193 BellaterraSpain Departament de Genètica i de Microbiologia Universitat Autònoma de Barcelona08193 BellaterraSpain Department of Medical Oncology Hospital de la Santa Creu i Sant Pau.Barcelona08025 BarcelonaSpain CIBER de Enfermedades Raras(CIBERER) Instituto de Salud Carlos Ⅲ28029 MadridSpain Institute for Advanced Chemistry of Catalonia(IQAC) CSIC08034 BarcelonaSpain

The development of a new generation of nonantibody protein drug delivery systems requires site-directed conjugation strategies to produce homogeneous,reproducible and scalable *** that,the genetic addition of cysteine residues into solvent-exposed positions allows the thiol-mediated cysteine coupling of therapeutic drugs into protein-based ***,the high reactivity of unpaired cysteine residues usually reduces protein stability,consequently imposing the use of more methodologically demanding purification *** is especially relevant for disulfide-containing nanocarriers,as previously observed in ***,although many protein scaffolds and targeting ligands are also rich in disulfide bridges,the use of these methodologies over emerging non-antibody carrier proteins has been completely ***,we report the development of a simple and straightforward procedure for a onestep production and site-directed cysteine conjugation of disulfide-containing non-antibody thiolated carrier proteins(THIOCAPs).This method is validated in a fluorescent C-X-C chemokine receptor 4(CXCR4)-targeted multivalent nanocarrier containing two intramolecular disulfide bridges and one reactive cysteine residue strategically placed into a solvent-exposed position(THIO-T22-GFP-H6)for drug conjugation and in a humanized alternative intended for clinical applications(T22-HSNBT-H6).Thus,we produce very stable,homogeneous and fully functional antitumoral nanoconjugates(THIO-T22-GFP-H6-MMAE and T22-HSNBT-H6-MMAE)that selectively eliminate target cancer cells via ***,the developed methodology appears as a powerful tool for the rational engineering of emerging non-antibody,cell-targeted protein nanocarriers that contain disulfide bridges together with a solvent-exposed reactive cysteine(THIOCAP).This should pave the way for the development of a new generation of stable,homogeneous and efficient nanomedicines.

关键词： disulfide directed bridges

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