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    1. Plant Biology

    Automated quantitative histology reveals vascular morphodynamics during Arabidopsis hypocotyl secondary growth

    Martial Sankar, Kaisa Nieminen ... Christian S Hardtke
    Combining high-resolution imaging with automated image segmentation and supervised machine learning achieves accurate cellular feature extraction and automated cell type recognition in a large-scale developmental process.
    1. Chromosomes and Gene Expression

    Combinations of maternal-specific repressive epigenetic marks in the endosperm control seed dormancy

    Hikaru Sato, Juan Santos-González, Claudia Köhler
    Analyses of cell type-specific data show that the maternal alleles of genes related to establishing and breaking seed dormancy are suppressed by different combinations of epigenetic marks in the endosperm of Arabidopsis.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Fluorescent sensors for activity and regulation of the nitrate transceptor CHL1/NRT1.1 and oligopeptide transporters

    Cheng-Hsun Ho, Wolf B Frommer
    Peptide and nitrate transporters have been converted into fluorescent reporters of transport activity and have been used to measure various transport properties including the dual affinity of the nitrate transceptor
    1. Plant Biology

    The genetic architecture of host response reveals the importance of arbuscular mycorrhizae to maize cultivation

    M Rosario Ramírez-Flores, Sergio Perez-Limon ... Ruairidh JH Sawers
    Heritable variation in the benefit maize plants receive from arbuscular mycorrhizal fungi supports the feasibility of breeding crops to optimize use of this ancient symbiosis.
    1. Ecology
    2. Plant Biology

    Blumenols as shoot markers of root symbiosis with arbuscular mycorrhizal fungi

    Ming Wang, Martin Schäfer ... Ian T Baldwin
    Arbuscular mycorrhizal fungi-induced hydroxy- and carboxyblumenol C glycosides accumulate in plant shoots and allow for facile high-throughput screening for functional plant-AMF associations.
    1. Plant Biology

    BLADE-ON-PETIOLE proteins act in an E3 ubiquitin ligase complex to regulate PHYTOCHROME INTERACTING FACTOR 4 abundance

    Bo Zhang, Mattias Holmlund ... Ove Nilsson
    The abundance of the PIF4 transcription factor, central in light and temperature signaling, is controlled by an E3 ligase encoded by BOP proteins.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    Discovery of a metabolic alternative to the classical mevalonate pathway

    Nikki Dellas, Suzanne T Thomas ... Joseph P Noel
    A combination of phylogenetic and biochemical analyses suggest that some unexpected variations in the synthesis of isoprenoids may be widespread across all three domains of life.
    1. Plant Biology

    UBP12 and UBP13 negatively regulate the activity of the ubiquitin-dependent peptidases DA1, DAR1 and DAR2

    Hannes Vanhaeren, Ying Chen ... Dirk Inzé
    By inactivating DA1, DAR1 and DAR2 through deubiquitination, UBP12 and UBP13 regulate leaf growth, cell area and endoreduplication.
    1. Ecology
    2. Plant Biology

    The decoration of specialized metabolites influences stylar development

    Jiancai Li, Meredith C Schuman ... Ian T Baldwin
    Regulation of diterpene glycoside malonylation status influences stylar elongation through affecting auxin signaling in Nicotiana attenuata.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Genetic basis and dual adaptive role of floral pigmentation in sunflowers

    Marco Todesco, Natalia Bercovich ... Loren H Rieseberg
    Variation in patterns of floral UV pigmentation is controlled by a single transcription factor in sunflower and affects both pollinator attraction and responses to environmental stresses.