@article{fdi:010040768, title = {{R}esponses of soil microbial catabolic diversity to arbuscular mycorrhizal inoculation and soil disinfection}, author = {{D}abir{\'e}, {A}nthierley {P}rosper and {H}ien, {V}. and {K}isa, {M}arija and {B}ilgo, {A}. and {S}angar{\'e}, {S}cheikh {K}halil and {P}lenchette, {C}. and {G}aliana, {A}. and {P}rin, {Y}. and {D}uponnois, {R}obin}, editor = {}, language = {{ENG}}, abstract = {{A}lthough it is usually admitted that arbuscular mycorrhizal ({AM}) fungi are key components in soil bio-functioning, little is known on the response of microbial functional diversity to {AM} inoculation. {T}he aims of the present study were to determine the influence of {G}lomus intraradices inoculum densities on plant growth and soil microflora functional diversity in autoclaved soil or non-disinfected soil. {M}icrobial diversity of soil treatments was assessed by measuring the patterns of in situ catabolic potential of microbial communities. {T}he soil disinfection increased sorghum growth, but lowered catabolic evenness (4.8) compared to that recorded in the non-disinfected soil (6.5). {G}. intraradices inoculation induced a higher plant growth in the autoclaved soil than in the non-disinfected soil. {T}his {AM} effect was positively related to inoculum density. {C}atabolic evenness and richness were positively correlated with the number of inoculated {AM} propagules in the autoclaved soil, but negatively correlated in the non-disinfected soil. {I}n addition, after soil disinfection and {AM} inoculation, these microbial functionality indicators had higher values than in the autoclaved or in the non-disinfected soil without {AM} inoculation. {T}hese results are discussed in relation to the ecological influence of {AM} inoculation, with selected fungal strains and their associated microflora on native soil microbial activity.}, keywords = {arbuscular mycorrhizal fungi ; soil disturbance ; microbial catabolic diversity}, booktitle = {}, journal = {{M}ycorrhiza}, volume = {17}, numero = {6}, pages = {537--545}, ISSN = {0940-6360}, year = {2007}, DOI = {10.1007/s00572-007-0126-5}, URL = {https://www.documentation.ird.fr/hor/fdi:010040768}, }