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http://hdl.handle.net/1942/21348
Title: | Comparison between cultivated and total bacterial communities associated with Cucurbita pepo using cultivation-dependent techniques and 454 pyrosequencing. | Authors: | EEVERS, Nele BECKERS, Bram OP DE BEECK, Michiel White, Jason C. VANGRONSVELD, Jaco WEYENS, Nele |
Issue Date: | 2016 | Source: | SYSTEMATIC AND APPLIED MICROBIOLOGY, 39 (1), p. 58-66 | Abstract: | Endophytic bacteria often have beneficial effects on their host plants that can be exploited for bioremediation applications but, according to the literature, only 0.001–1% of all endophytic microbes should be cultivable. This study compared the cultivated endophytic communities of the roots and shoots of Cucurbita pepo with the total endophytic communities as determined by cultivation-dependent techniques and 454 pyrosequencing. The ten most abundant taxa of the total communities aligned well with the cultivated taxa; however, the abundance of these taxa in the two communities differed greatly. Enterobacter showed very low presence in the total communities, whereas they were dominantly present in the cultivated communities. Although Rhizobium dominated in total root and shoot communities, it was poorly cultivable and even then only in growth media containing plant extract. Since endophytes likely contribute to plant-growth promotion, cultivated bacterial strains were tested for their plant-growth promoting capabilities, and the results were correlated with their abundance in the total community. Bacillus and Pseudomonas showed promising results when considering cultivability, abundance in the total community and plant-growth promoting capability. This study demonstrated that, although a limited number of bacterial genera were cultivable, current cultivation-dependent techniques may be sufficient for further isolation and inoculation experiments that aim to improve phytoremediation efficiency. | Keywords: | cucurbita pepo; cultivable bacterial community; total bacterial community | Document URI: | http://hdl.handle.net/1942/21348 | Link to publication/dataset: | https://www.researchgate.net/publication/284560833_Comparison_between_cultivated_and_total_bacterial_communities_associated_with_Cucurbita_pepo_using_cultivation-dependent_techniques_and_454_pyrosequencing | ISSN: | 0723-2020 | e-ISSN: | 1618-0984 | DOI: | 10.1016/j.syapm.2015.11.001 | ISI #: | 000370915000009 | Rights: | © 2015 Elsevier GmbH. All rights reserved | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2017 |
Appears in Collections: | Research publications |
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