A Co-opted Regulator of Lateral Root Development Controls Nodule Organogenesis in Lotus
نویسندگان
چکیده
منابع مشابه
Hypocotyl adventitious root organogenesis differs from lateral root development
Wound-induced adventitious root (AR) formation is a requirement for plant survival upon root damage inflicted by pathogen attack, but also during the regeneration of plant stem cuttings for clonal propagation of elite plant varieties. Yet, adventitious rooting also takes place without wounding. This happens for example in etiolated Arabidopsis thaliana hypocotyls, in which AR initiate upon de-e...
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Many plants can establish symbioses with nitrogen-fixing bacteria, some of which lead to nodulation, including legumes. Indeed, in the rhizobium/legume symbiosis, new root organs, called nodules, are formed by the plant in order to host the rhizobia in protective conditions, optimized for nitrogen fixation. In this way, these plants can benefit from the reduction of atmospheric dinitrogen into ...
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The rhizobia comprise a diverse group of organisms that elicit hypertrophic growth on the roots of legume plants to form a new organ, the root nodule, which they inhabit to fix nitrogen. This endosymbiotic association makes legume plants autotrophic for external nitrogen, an essential nutrient for plant growth. Because the interaction with rhizobia is highly beneficial, legume plants have evolv...
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Unlike mammals, whose development is limited to a short temporal window, plants produce organs de novo throughout their lifetime in order to adapt their architecture to the prevailing environmental conditions. The production of lateral roots represents one example of such postembryonic organogenesis. An endogenous developmental program likely imposes an ordered arrangement on the position of ne...
متن کاملProteome reference maps of the Lotus japonicus nodule and root.
Legume symbiosis with rhizobia results in the formation of a specialized organ, the root nodule, where atmospheric dinitrogen is reduced to ammonia. In Lotus japonicus (Lotus), several genes involved in nodule development or nodule function have been defined using biochemistry, genetic approaches, and high-throughput transcriptomics. We have employed proteomics to further understand nodule deve...
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ژورنال
عنوان ژورنال: Developmental Cell
سال: 2020
ISSN: 1534-5807
DOI: 10.1016/j.devcel.2019.12.009