17 results found
    1. Plant Biology

    Phosphatidylcholines from Pieris brassicae eggs activate an immune response in Arabidopsis

    Elia Stahl et al.
    Plants detect the presence of phospholipids in eggs from a herbivorous insect and trigger innate immunity.
    1. Evolutionary Biology
    2. Plant Biology

    Independent evolution of ancestral and novel defenses in a genus of toxic plants (Erysimum, Brassicaceae)

    Tobias Züst et al.
    A gain-of-function in a new chemical defense resulted in no trade-offs and and independent evolution between novel and ancestral defenses, suggesting low redundancy among different defensive chemicals.
    1. Evolutionary Biology
    2. Plant Biology

    Asymmetrical diversification of the receptor-ligand interaction controlling self-incompatibility in Arabidopsis

    Maxime Chantreau et al.
    In-planta ancestral protein resurrection of the female determinant of self-incompatibility specificity in Arabidopsis halleri demonstrates that two allelic variants currently segregating as distinct receptor-ligand combinations diverged through an asymmetrical process.
    1. Structural Biology and Molecular Biophysics
    2. Plant Biology

    Kinetics of the LOV domain of ZEITLUPE determine its circadian function in Arabidopsis

    Ashutosh Pudasaini et al.
    In the plant circadian clock photoreceptor ZEITLUPE, evolutionarily selected residues distinguish photocycle kinetics and allosteric signal transduction pathways to permit proper circadian timing.
    1. Genetics and Genomics

    Expansion of the circadian transcriptome in Brassica rapa and genome-wide diversification of paralog expression patterns

    Kathleen Greenham et al.
    Whole genome duplication in Brassica rapa is accompanied by both expansion of the circadian transcriptome and widespread temporal reconfiguration of gene regulatory networks consistent with subfunctionalization among pairs of paralogs.
    1. Ecology
    2. Evolutionary Biology

    Caterpillar-induced rice volatiles provide enemy-free space for the offspring of the brown planthopper

    Xiaoyun Hu et al.
    The brown planthopper has evolved a highly adaptive oviposition strategy by exploiting caterpillar-induced plant volatiles that provide safe havens for its offspring.
    1. Genetics and Genomics
    2. Plant Biology

    A gene horizontally transferred from bacteria protects arthropods from host plant cyanide poisoning

    Nicky Wybouw et al.
    The enzyme that allows some mites and insects to detoxify the hydrogen cyanide produced by plants has been identified.
    1. Biochemistry and Chemical Biology
    2. Ecology

    ABC transporter functions as a pacemaker for sequestration of plant glucosides in leaf beetles

    Anja S Strauss et al.
    A transport protein enables leaf beetle larvae to take up and store plant toxins and use them as part of their own defense strategy.
    1. Cell Biology
    2. Developmental Biology

    Hair follicle dermal condensation forms via Fgf20 primed cell cycle exit, cell motility, and aggregation

    Leah C Biggs et al.
    The hair follicle dermal condensate is populated via migration, and the cells exhibit early changes in cell shape and cell cycle status; Fgf20 primes these cellular and molecular events.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Arabidopsis RNA processing factor SERRATE regulates the transcription of intronless genes

    Corinna Speth et al.
    Arabidopsis RNA processing factor SERRATE associates with the chromatin of intronless genes, which are usually expressed at low levels, to enhance polymerase II association.

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