‘Root of all success’: Plasticity in root architecture of invasive wild radish for adaptive benefit

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dc.creatorBhattacharya, Samik-
dc.creatorGröne, Franziska-
dc.creatorPrzesdzink, Felix-
dc.creatorZiffer-Berger, Jotham-
dc.creatorBarazani, Oz-
dc.creatorMummenhoff, Klaus-
dc.creatorKappert, Niels-
dc.identifier.citationBhattacharya S, Gröne F, Przesdzink F, Ziffer-Berger J, Barazani O, Mummenhoff K and Kappert N (2022): ‘Root of all success’: Plasticity in root architecture of invasive wild radish for adaptive benefit. Front. Plant Sci. 13:1035089.ger
dc.description.abstractSuccessful plant establishment in a particular environment depends on the root architecture of the seedlings and the extent of edaphic resource utilization. However, diverse habitats often pose a predicament on the suitability of the fundamental root structure of a species that evolved over a long period. We hypothesized that the plasticity in the genetically controlled root architecture in variable habitats provides an adaptive advantage to worldwide-distributed wild radish (Raphanus raphanistrum, Rr) over its close relative (R. pugioniformis, Rp) that remained endemic to the East Mediterranean region. To test the hypothesis, we performed a reciprocal comparative analysis between the two species, growing in a common garden experiment on their native soils (Hamra/Sandy for Rr, Terra Rossa for Rp) and complementary controlled experiments mimicking the major soil compositions. Additionally, we analyzed the root growth kinetics via semi-automated digital profiling and compared the architecture between Rr and Rp. In both experiments, the primary roots of Rr were significantly longer, developed fewer lateral roots, and showed slower growth kinetics than Rp. Multivariate analyses of seven significant root architecture variables revealed that Rr could successfully adapt to different surrogate growth conditions by only modulating their main root length and number of lateral roots. In contrast, Rp needs to modify several other root parameters, which are very resource-intensive, to grow on non-native soil. Altogether the findings suggest an evo-devo adaptive advantage for Rr as it can potentially establish in various habitats with the minimal tweak of key root parameters, hence allocating resources for other developmental requirements.eng
dc.rightsAttribution 4.0 International*
dc.subjectroot system architecture (RSA)eng
dc.subjectroot plasticityeng
dc.subjectEast Mediterraneaneng
dc.subjectsoil surrogateseng
dc.subjecthabitat preferenceeng
dc.subject.ddc570 - Biowissenschaften, Biologieger
dc.title‘Root of all success’: Plasticity in root architecture of invasive wild radish for adaptive benefiteng
dc.typeEinzelbeitrag in einer wissenschaftlichen Zeitschrift [Article]ger
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