NDLI: Isolation and characterization of root-associated bacteria from agricultural crops in the Kavango region of Namibia

Content Provider	Springer Nature Link
Author	Grönemeyer, Jann Lasse Burba, Claudia Sofía Hurek, Thomas Reinhold Hurek, Barbara
Copyright Year	2011
Abstract	Root-associated bacteria can have beneficial effects on their host plants. Microbial products can promote and stimulate plant growth or lead to bioprotection against pathogens. This study aimed to isolate putatively beneficial bacteria from traditional cereals grown by subsistence farmers in the Kavango of Namibia. Bacteria were isolated from surface-sterilized roots of Pennisetum glaucum, Sorghum bicolor, and Zea mays, and subjected to phenotypic and phylogenetic analyses. A total of 44 root-associated bacterial strains were isolated. From 33 distinct isolates, 22 belonged to Firmicutes and Actinobacteria, while 11 were Proteobacteria. Eleven novel phylotypes were among the isolates. Features known to contribute to plant growth-promotion and biocontrol were tested in vitro and revealed promising candidates with multiple beneficial characteristics. This is the first report on the characterization of native isolates associated with important agriculture crops in the Kavango region of Namibia. Such isolates have the potential for application as inoculants adapted to poor soils and local crops. Desiccation-tolerant or sporulating Gram-positive bacteria are of particular interest for this region, which is characterized by a long dry season.
Starting Page	67
Ending Page	82
Page Count	16
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	356
Issue Number	1-2
e-ISSN	15735036
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-05-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Root-associated bacteria Sorghum Pennisetum Maize Plant growth-promotion Ecology Soil Science & Conservation Plant Sciences Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

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