Akila Ouartsi

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Forty rhizobial strains were isolated from root nodules of Medicago littoralis Rhode and Melilotus indicus (L.) harvested from the sandy soils of Touggourt’s oases in the Oued Righ Valley, Algerian Sahara. The isolates were studied for their cultural, biochemical and symbiotic effectiveness. All of them were fast-growing bacteria; utilized a wide range of(More)
The purpose of this work was to localize the DNA regions necessary for the transposition of Tn7. Several deletions of Tn7 were constructed by the excision of DNA fragments between restriction sites. The ability of these deleted Tn7s to transpose onto the recipient plasmid RP4 was examined. All the deleted Tn7s isolated in this work had lost their(More)
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