1,228 results found
    1. Plant Biology
    2. Evolutionary Biology

    Herbivory-induced volatiles function as defenses increasing fitness of the native plant Nicotiana attenuata in nature

    Meredith C Schuman, Kathleen Barthel, Ian T Baldwin
    A 2-year field study has demonstrated that volatile compounds produced by plants when they are attacked by herbivores act as defenses by attracting predators to the herbivores and increasing the reproduction of the plants.
    1. Structural Biology and Molecular Biophysics

    Ribosome structures to near-atomic resolution from thirty thousand cryo-EM particles

    Xiao-chen Bai, Israel S Fernandez ... Sjors HW Scheres
    A combination of direct-electron detectors and statistical movie processing allows ribosome cryo-EM structures to be determined to resolutions that were previously only attainable by X-ray crystallography.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Plants regenerated from tissue culture contain stable epigenome changes in rice

    Hume Stroud, Bo Ding ... Steven E Jacobsen
    The use of tissue culture reduces the chemical modification of plant DNA, and this has lasting effects on gene expression in the plants and their descendants.
    1. Plant Biology
    2. Developmental Biology

    Sugar is an endogenous cue for juvenile-to-adult phase transition in plants

    Sha Yu, Li Cao ... Jia-Wei Wang
    Sugar levels in leaves act as a signal for plants to switch from their juvenile to their adult form by regulating the expression of two genes.
    1. Developmental Biology
    2. Plant Biology

    Sugar promotes vegetative phase change in Arabidopsis thaliana by repressing the expression of MIR156A and MIR156C

    Li Yang, Mingli Xu ... R Scott Poethig
    Sugar levels in leaves act as a signal for plants to switch from their juvenile to their adult form by regulating the expression of two genes.
    1. Plant Biology

    Accurate timekeeping is controlled by a cycling activator in Arabidopsis

    Polly Yingshan Hsu, Upendra K Devisetty, Stacey L Harmer
    The circadian clock in the model plant organism Arabidopsis thaliana is best described as a highly connected network made up of clock-regulated activators and repressors of transcription, rather than two coupled, repressor-based feedback loops.
    1. Ecology
    2. Neuroscience

    Feeding-induced rearrangement of green leaf volatiles reduces moth oviposition

    Silke Allmann, Anna Späthe ... Bill S Hansson
    The ability of Manduca moths to recognize changes in the profile of volatile compounds released by plants being attacked by Manduca caterpillars allows them to lay their eggs on plants that are less likely to be attacked by insects and other predators, and to avoid competing against other caterpillars of the same species for resources.

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