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C. Leyval, F. Laheurte, . Belgy, and J. Berthelin, Weathering of micas in the rhizosphere of maize, pine and beech seedlings influenced by myccorhizal and bacterial inoculation, Symbiosis, vol.9, pp.105-109, 1990.

M. Malmström and S. Banwart, Biotite dissolution at 25??C: The pH dependence of dissolution rate and stoichiometry, Geochimica et Cosmochimica Acta, vol.61, issue.14, pp.61-2779, 1997.
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M. Malmström, S. Banwart, J. Lewenhagen, L. Duro, and J. Bruno, The dissolution of biotite and chlorite at 25??C in the near-neutral pH region, Journal of Contaminant Hydrology, vol.21, issue.1-4, pp.1-4, 1996.
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R. Mathur, Cu isotopic fractionation in the supergene environment with and without bacteria, Geochimica et Cosmochimica Acta, vol.69, issue.22, pp.5233-5246, 2005.
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E. T. Tipper, A. Galy, and M. J. Bickle, Riverine evidence for a fractionated reservoir of Ca and Mg on the continents: Implications for the oceanic Ca cycle, Earth and Planetary Science Letters, vol.247, issue.3-4, pp.3-4, 2006.
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E. T. Tipper, A. Galy, and M. J. Bickle, Calcium and magnesium isotope systematics in rivers draining the Himalaya-Tibetan-Plateau region: Lithological or fractionation control?, Geochimica et Cosmochimica Acta, vol.72, issue.4, pp.1057-1075, 2008.
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S. Babu-khan, Cloning of a mineral phosphate-solubilizing gene from Pseudomonas cepacia, Applied and Environmental Microbiology, issue.3, pp.61-972, 1995.

W. Barker, S. Welch, S. Chu, and J. Banfield, Experimental observations of the effects of bacteria on aluminosilicate weathering, American Mineralogist, vol.83, issue.11-12 Part 2, pp.1551-1563, 1998.
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A. K. Barman, C. Varadachari, and K. Ghosh, Weathering of silicate minerals by organic acids. I. Nature of cation solubilisation, Geoderma, vol.53, issue.1-2, pp.45-63, 1992.
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B. Beard, C. Johnson, K. Nealson, J. Skulan, L. Cox et al., Application of Fe isotopes to tracing the geochemical and biological cycling of Fe, Chemical Geology, vol.195, issue.1-4, pp.87-117, 2002.
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P. C. Bennett, F. K. Hiebert, J. Choi, and W. , Microbial colonization and weathering of silicates in a petroleum-contaminated groundwater, Chemical Geology, vol.132, issue.1-4, pp.1-4, 1996.
DOI : 10.1016/S0009-2541(96)00040-X

P. C. Bennett, J. R. Rogers, and W. J. Choi, Silicates, Silicate Weathering, and Microbial Ecology Magnesium-isotope fractionation during plant growth, Geomoicrobiology Journal, vol.18, issue.21, pp.3-19, 2001.

J. R. Black, Q. Yin, and C. W. , An experimental study of magnesium-isotope fractionation in chlorophyll-a photosynthesis, Geochimica et Cosmochimica Acta, vol.70, issue.16, pp.4072-4079, 2006.
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J. R. Black, E. Epstein, W. D. Rains, Q. Z. Yin, and C. W. , Magnesium-Isotope Fractionation During Plant Growth, Environmental Science & Technology, vol.42, issue.21, pp.7831-7836, 2008.
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B. Bi, E. B. Poszwa, A. Vigier, and N. , Experimental determination of magnesium isotope fractionation during higher plant growth, Geophysical Research Abstracts, vol.10, 2008.

E. B. Bolou-bi, N. Vigier, A. Brenot, and A. Poszwa, Magnesium Isotope Compositions of Natural Reference Materials, Geostandards and Geoanalytical Research, vol.66, issue.1, pp.95-109, 2009.
DOI : 10.6028/jres.070A.037

J. R. Boyle and G. K. Voigt, Biological weathering of silicate minerals, Plant and Soil, vol.31, issue.1, pp.191-201, 1973.
DOI : 10.1007/BF00011226

S. Brantley, L. Liermann, and T. Bullen, Fractionation of Fe isotopes by soil microbes and organic acids, Geology, vol.29, issue.6, pp.535-538, 2001.
DOI : 10.1130/0091-7613(2001)029<0535:FOFIBS>2.0.CO;2

S. Brantley, L. Liermann, R. Guynn, A. Anbar, G. Icopini et al., Fe isotopic fractionation during mineral dissolution with and without bacteria, Geochimica et Cosmochimica Acta, vol.68, issue.15, pp.3189-3204, 2004.
DOI : 10.1016/j.gca.2004.01.023

J. Carignan, A Reflection on Mg, Cd, Ca, Li and Si Isotopic Measurements and Related Reference Materials, Geostandards and Geoanalytical Research, vol.28, issue.46, pp.139-148, 2004.
DOI : 10.1016/S0009-2541(99)00076-5

V. T. Chang, R. J. Williams, A. Makishima, N. S. Belshawl, O. Nions et al., Mg and Ca isotope fractionation during CaCO3 biomineralisation, Biochemical and Biophysical Research Communications, vol.323, issue.1, pp.79-85, 2004.
DOI : 10.1016/j.bbrc.2004.08.053

A. Galy, M. Bar-matthews, L. Halicz, O. Nions, and R. K. , Mg isotopic composition of carbonate: insight from speleothem formation, Earth and Planetary Science Letters, vol.201, issue.1, pp.105-115, 2002.
DOI : 10.1016/S0012-821X(02)00675-1

A. Galy, N. S. Belshaw, L. Halicz, O. Nions, and R. K. , High-precision measurement of magnesium isotopes by multiple-collector inductively coupled plasma mass spectrometry, International Journal of Mass Spectrometry, vol.208, issue.1-3, pp.1-3, 2001.
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A. Galy, Magnesium isotope heterogeneity of the isotopic standard SRM980 and new reference materials for magnesium-isotope-ratio measurements, Journal of Analytical Atomic Spectrometry, vol.18, issue.11, pp.1352-1356, 2003.
DOI : 10.1039/b309273a

J. Ganor, J. L. Mogollûn, and A. C. Lasaga, The effect of pH on kaolinite dissolution rates and on activation energy, Geochimica et Cosmochimica Acta, vol.59, issue.6, pp.59-1037, 1995.
DOI : 10.1016/0016-7037(95)00021-Q

S. V. Golubev, A. Bauer, and O. S. Pokrovsky, Effect of pH and organic ligands on the kinetics of smectite dissolution at 25??C, Geochimica et Cosmochimica Acta, vol.70, issue.17, pp.70-4436, 2006.
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URL : https://hal.archives-ouvertes.fr/hal-00316460

G. Gottschalk, Bacterial metabolism, 1986.

P. Hinsinger, B. Jaillard, and D. J. , Rapid Weathering of a Trioctahedral Mica by the Roots of Ryegrass, Soil Science Society of America Journal, vol.56, issue.3, pp.977-982, 1992.
DOI : 10.2136/sssaj1992.03615995005600030049x

E. Hutchens, E. Valsami-jones, S. Mceldowney, W. Gaze, and J. Mclean, The role of heterotrophic bacteria in feldspar dissolution ??? an experimental approach, Mineralogical Magazine, vol.67, issue.6, 2003.
DOI : 10.1180/0026461036760155

C. Leyval, F. Laheurte, . Belgy, and J. Berthelin, Weathering of micas in the rhizosphere of maize, pine and beech seedlings influenced by myccorhizal and bacterial inoculation, Symbiosis, vol.9, pp.105-109, 1990.

M. Malmström and S. Banwart, Biotite dissolution at 25??C: The pH dependence of dissolution rate and stoichiometry, Geochimica et Cosmochimica Acta, vol.61, issue.14, pp.61-2779, 1997.
DOI : 10.1016/S0016-7037(97)00093-8

M. Malmström, S. Banwart, J. Lewenhagen, L. Duro, and J. Bruno, The dissolution of biotite and chlorite at 25??C in the near-neutral pH region, Journal of Contaminant Hydrology, vol.21, issue.1-4, pp.1-4, 1996.
DOI : 10.1016/0169-7722(95)00047-X

R. Mathur, Cu isotopic fractionation in the supergene environment with and without bacteria, Geochimica et Cosmochimica Acta, vol.69, issue.22, pp.5233-5246, 2005.
DOI : 10.1016/j.gca.2005.06.022

T. Murakami, S. Utsunomya, T. Yokoyama, and T. Kasama, Biotite dissolution processes and mechanisms in the laboratory and in nature: Early stage weathering environment and vermiculitization, American Mineralogist, vol.88, issue.2-3, pp.377-386, 2003.
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K. Ra and H. Kitagawa, Magnesium isotope analysis of different chlorophyll forms in marine phytoplankton using multi-collector ICP-MS, Journal of Analytical Atomic Spectrometry, vol.50, issue.7, pp.817-821, 2007.
DOI : 10.1039/b701213f

M. Robert and J. Berthelin, Role of biological and Biochemical factors in soil mineral weathering, Soil science society of america, vol.12, pp.453-495, 1986.

J. R. Rogers and . Bennett, Mineral stimulation of subsurface microorganisms: release of limiting nutrients from silicates, Chemical Geology, vol.203, issue.1-2, pp.91-108
DOI : 10.1016/j.chemgeo.2003.09.001

E. T. Tipper, A. Galy, and M. J. Bickle, Riverine evidence for a fractionated reservoir of Ca and Mg on the continents: Implications for the oceanic Ca cycle, Earth and Planetary Science Letters, vol.247, issue.3-4, pp.3-4, 2006.
DOI : 10.1016/j.epsl.2006.04.033

E. T. Tipper, A. Galy, and M. J. Bickle, Calcium and magnesium isotope systematics in rivers draining the Himalaya-Tibetan-Plateau region: Lithological or fractionation control?, Geochimica et Cosmochimica Acta, vol.72, issue.4, pp.1057-1075, 2008.
DOI : 10.1016/j.gca.2007.11.029

P. Vandevivere, S. A. Welch, W. J. Ullman, and D. L. Kirchman, Enhanced dissolution of silicate minerals by bacteria at near-neutral pH, Microbial Ecology, vol.27, issue.3, pp.241-251, 1994.
DOI : 10.1007/BF00182408

S. A. Welch and W. J. Ullman, The effect of microbial glucose metabolism on bytownite feldspar dissolution rates between 5?? and 35??C, Geochimica et Cosmochimica Acta, vol.63, issue.19-20, pp.19-20, 1999.
DOI : 10.1016/S0016-7037(99)00248-3

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