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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Hydrocarbon degradation, plant colonization and gene expression of alkane degradation genes by endophytic Enterobacter ludwigii strains
Environmental Pollution, Volume 159, No. 10, Year 2011
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Description
The genus Enterobacter comprises a range of beneficial plant-associated bacteria showing plant growth promotion. Enterobacter ludwigii belongs to the Enterobacter cloacae complex and has been reported to include human pathogens but also plant-associated strains with plant beneficial capacities. To assess the role of Enterobacter endophytes in hydrocarbon degradation, plant colonization, abundance and expression of CYP153 genes in different plant compartments, three plant species (Italian ryegrass, birdsfoot trefoil and alfalfa) were grown in sterile soil spiked with 1% diesel and inoculated with three endophytic E. ludwigii strains. Results showed that all strains were capable of hydrocarbon degradation and efficiently colonized the rhizosphere and plant interior. Two strains, ISI10-3 and BRI10-9, showed highest degradation rates of diesel fuel up to 68% and performed best in combination with Italian ryegrass and alfalfa. All strains expressed the CYP153 gene in all plant compartments, indicating an active role in degradation of diesel in association with plants. © 2010 Published by Elsevier Ltd.
Authors & Co-Authors
Yousaf, Sohail
Austria, Vienna
Austrian Institute of Technology
Afzal, Muhammad
Austria, Vienna
Austrian Institute of Technology
Pakistan, Faisalabad
National Institute for Biotechnology and Genetic Engineering Pakistan
Reichenauer, Thomas G.
Austria, Vienna
Austrian Institute of Technology
Brady, Carrie L.
South Africa, Pretoria
University of Pretoria
Sessitsch, Angela
Austria, Vienna
Austrian Institute of Technology
Statistics
Citations: 165
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1016/j.envpol.2011.05.031
ISSN:
02697491
e-ISSN:
18736424
Research Areas
Genetics And Genomics