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The use of transposon-induced non-motile mutants in assessing the significance of motility of Rhizobium leguminosarum biovar Trifolii for movement in soils
Journal article   Peer reviewed

The use of transposon-induced non-motile mutants in assessing the significance of motility of Rhizobium leguminosarum biovar Trifolii for movement in soils

H.Y. Catlow, A.R. Glenn and M.J. Dilworth
Soil Biology and Biochemistry, Vol.22(3), pp.331-336
1990
DOI: https://doi.org/10.1016/0038-0717(90)90109-D
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Abstract

A Tn5+-containing motile strain of Rhizobium trifolii TA I was able to move vertically, or horizontally, through steam-treated yellow sand at field capacity in the presence or absence of clover roots. Under the same conditions, the spread of a Tn5-induced non-motile mutant was markedly reduced. When similar experiments were carried out in untreated soil. no significant difference in movement was seen between the motile and non-motile strains. Active flagellar motility appears not to be a significant factor in the distribution of rhizobia in the soil used in these experiments. Experiments in steam-treated soils may well lead to incorrect conclusions about motilily in relation to dispersal of rhizobia.

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Source: InCites

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Citation topics
3 Agriculture, Environment & Ecology
3.97 Plant Pathology
3.97.892 Rhizobium-Legume Symbiosis
Web Of Science research areas
Soil Science
ESI research areas
Agricultural Sciences
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