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A new look at old root-nodule bacteria – molecular techniques uncover novel isolates

Ardley, J.K., Yates, R.J., Nandasena, K.G., Reeve, W.G., Law, I.J., Bräu, L., O'Hara, G.W. and Howieson, J.G. (2008) A new look at old root-nodule bacteria – molecular techniques uncover novel isolates. In: 15th International Nitrogen Fixation Congress and the 12th International Conference of the African Association for Biological Nitrogen Fixation, 21 - 26 January 2007, Cape Town, South Africa pp. 283-284.

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Exotic pasture legumes and their associated microsymbionts are important in providing biological nitrogen fixation in Australian agricultural systems. Southern African species of Lotononis from the Listia section can potentially provide sustainable agricultural productivity in systems affected by increasing dryland salinity and climate change. There are eight species in the Listia section: L. angolensis, L. bainesii, L. macrocarpa, L. marlothii, L. minima, L. subulata and L. solitudinis (Van Wyk, 1991). They are perennial, stoloniferous and collar-nodulated. The root-nodule bacteria (RNB) isolated from several of these species are pigmented and the symbiosis between these RNB and their hosts is highly specific (Yates et al., 2007). Pioneering work on L. angolensis, L. bainesii and L. listii isolates was performed in Africa in the 1950–60s by Botha (Kenya), Sandman (Zimbabwe) and Verboom (Zambia) and in Australia (Norris, 1958).

Item Type: Conference Paper
Murdoch Affiliation(s): Centre for Rhizobium Studies
Publisher: Springer
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Notes: In: Dakora, F.D., Chimphango, S.B. M., Valentine, A.J., Elmerich, C. and Newton, W.E., (eds.) Biological nitrogen fixation: towards poverty alleviation through sustainable agriculture. Springer, New York, pp. 283-284.
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