Search Results - "Martin, Azahara C."
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Dmc1 is a candidate for temperature tolerance during wheat meiosis
Published in Theoretical and applied genetics (01-03-2020)“…Key message The meiotic recombination gene Dmc1 on wheat chromosome 5D has been identified as a candidate for the maintenance of normal chromosome synapsis and…”
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DMC1 stabilizes crossovers at high and low temperatures during wheat meiosis
Published in Frontiers in plant science (08-08-2023)“…Effective chromosome synapsis and crossover formation during meiosis are essential for fertility, especially in grain crops such as wheat. These processes…”
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A Duplicated Copy of the Meiotic Gene ZIP4 Preserves up to 50% Pollen Viability and Grain Number in Polyploid Wheat
Published in Biology (Basel, Switzerland) (02-04-2021)“…Although most flowering plants are polyploid, little is known of how the meiotic process evolves after polyploidisation to stabilise and preserve fertility. On…”
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A Co-Expression Network in Hexaploid Wheat Reveals Mostly Balanced Expression and Lack of Significant Gene Loss of Homeologous Meiotic Genes Upon Polyploidization
Published in Frontiers in plant science (18-10-2019)“…Polyploidization has played an important role in plant evolution. However, upon polyploidization, the process of meiosis must adapt to ensure the proper…”
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Wheat, Rye, and Barley Genomes Can Associate during Meiosis in Newly Synthesized Trigeneric Hybrids
Published in Plants (Basel) (07-01-2021)“…Polyploidization, or whole genome duplication (WGD), has an important role in evolution and speciation. One of the biggest challenges faced by a new polyploid…”
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Quantitative dynamics of telomere bouquet formation
Published in PLoS computational biology (01-12-2012)“…The mechanism by which homologous chromosomes pair during meiosis, as a prelude to recombination, has long been mysterious. At meiosis, the telomeres in many…”
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Elucidation of the pathway for biosynthesis of saponin adjuvants from the soapbark tree
Published in Science (American Association for the Advancement of Science) (24-03-2023)“…The Chilean soapbark tree ( ) produces soap-like molecules called QS saponins that are important vaccine adjuvants. These highly valuable compounds are sourced…”
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Complex scaffold remodeling in plant triterpene biosynthesis
Published in Science (American Association for the Advancement of Science) (27-01-2023)“…Triterpenes with complex scaffold modifications are widespread in the plant kingdom. Limonoids are an exemplary family that are responsible for the bitter…”
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A separation-of-function ZIP4 wheat mutant allows crossover between related chromosomes and is meiotically stable
Published in Scientific reports (08-11-2021)“…Many species, including most flowering plants, are polyploid, possessing multiple genomes. During polyploidisation, fertility is preserved via the evolution of…”
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Dual effect of the wheat Ph1 locus on chromosome synapsis and crossover
Published in Chromosoma (01-12-2017)“…Allopolyploids must possess a mechanism for facilitating synapsis and crossover (CO) between homologues, in preference to homoeologues (related chromosomes),…”
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Enhancing climate change resilience in agricultural crops
Published in Current biology (04-12-2023)“…Climate change threatens global food and nutritional security through negative effects on crop growth and agricultural productivity. Many countries have…”
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Licensing MLH1 sites for crossover during meiosis
Published in Nature communications (06-08-2014)“…During meiosis, homologous chromosomes synapse and recombine at sites marked by the binding of the mismatch repair protein MLH1. In hexaploid wheat, the Ph1…”
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Exploiting the ZIP4 homologue within the wheat Ph1 locus has identified two lines exhibiting homoeologous crossover in wheat-wild relative hybrids
Published in Molecular breeding (2017)“…Despite possessing related ancestral genomes, hexaploid wheat behaves as a diploid during meiosis. The wheat Ph1 locus promotes accurate synapsis and crossover…”
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Wheat in vivo RNA structure landscape reveals a prevalent role of RNA structure in modulating translational subgenome expression asymmetry
Published in Genome Biology (30-11-2021)“…Polyploidy, especially allopolyploidy, which entails merging divergent genomes via hybridization and whole-genome duplication (WGD), is a major route to…”
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The Ph1 Locus Suppresses Cdk2-Type Activity during Premeiosis and Meiosis in Wheat
Published in The Plant cell (01-01-2012)“…Despite possessing multiple sets of related (homoeologous) chromosomes, hexaploid wheat (Triticum aestivum) restricts pairing to just true homologs at meiosis…”
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Fertility of CMS wheat is restored by two Rf loci located on a recombined acrocentric chromosome
Published in Journal of experimental botany (01-12-2014)“…Cytoplasmic male sterility (CMS) results from incompatibility between nuclear and cytoplasmic genomes, and is characterized by the inability to produce viable…”
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ZIP4 is required for normal progression of synapsis and for over 95% of crossovers in wheat meiosis
Published in Frontiers in plant science (30-05-2023)“…Tetraploid (AABB) and hexaploid (AABBDD) wheat have multiple sets of similar chromosomes, with successful meiosis and preservation of fertility relying on…”
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Identification and comparison of individual chromosomes of three accessions of Hordeum chilense, Hordeum vulgare, and Triticum aestivum by FISH
Published in Genome (01-06-2018)“…Karyotypes of three accessions of Hordeum chilense (H1, H16, and H7), Hordeum vulgare, and Triticum aestivum were characterized by physical mapping of several…”
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Transcriptomics, chromosome engineering and mapping identify a restorer-of-fertility region in the CMS wheat system msH1
Published in Theoretical and applied genetics (2020)“…Key message An original RNA-seq mapping strategy, validated with chromosome engineering and physical mapping, identifies candidate genes for fertility…”
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Contribution of Chromosomes 1HchS and 6HchS to Fertility Restoration in the Wheat msH1 CMS System under Different Environmental Conditions
Published in PloS one (2015)“…Exploiting hybrid wheat heterosis has been long pursued to increase crop yield, stability and uniformity. Cytoplasmic male sterility (CMS) systems based in the…”
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