Physiological responses to acid stress of an acid-soil tolerant and an acid-soil sensitive strain of Rhizobium leguminosarum biovar trifolii

E.L.J. Watkin; G.W. O'Hara; A.R. Glenn

doi:10.1016/S0038-0717(03)00012-9

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Physiological responses to acid stress of an acid-soil tolerant and an acid-soil sensitive strain of Rhizobium leguminosarum biovar trifolii

Journal article

Peer reviewed

Physiological responses to acid stress of an acid-soil tolerant and an acid-soil sensitive strain of Rhizobium leguminosarum biovar trifolii

E.L.J. Watkin, G.W. O'Hara and A.R. Glenn

Soil Biology and Biochemistry, Vol.35(4), pp.621-624

2003

DOI: https://doi.org/10.1016/S0038-0717(03)00012-9

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Abstract

Physiological responses to acid stress in two strains of Rhizobium leguminosarum bv trifolii of differing acid-soil tolerance were compared. Acidity affected the size and morphology of the acid-tolerant strain, WSM409, but not of the acid-sensitive strain, TA1. Acid grown cells of WSM409 and TA1 had less cell-associated Ca and Mg and more P than cells grown at pH 7.0. Potassium content was lower in acid grown cells; WSM409 was less affected by pH than that in TA1. WSM409 was more tolerant of pH shock at pH 3.5 when grown at pH 4.8 than when grown at pH 7.0. TA1 was more sensitive to pH shock when grown at pH 4.8 than when grown at pH 7.0. WSM409 shows a characteristic adaptive acid tolerance response, whereas TA1 shows an acid sensitive response.

Details

Title: Physiological responses to acid stress of an acid-soil tolerant and an acid-soil sensitive strain of Rhizobium leguminosarum biovar trifolii
Authors/Creators: E.L.J. Watkin (Author/Creator)
G.W. O'Hara (Author/Creator)
A.R. Glenn (Author/Creator) - University of Tasmania
Publication Details: Soil Biology and Biochemistry, Vol.35(4), pp.621-624
Publisher: Pergamon Press
Identifiers: 991005542374007891
Copyright: 2003 Elsevier Science Ltd.
Murdoch Affiliation: School of Biological Sciences and Biotechnology
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
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