• Reduce text
  • Restore text size
  • Increase the text
  • Print
Obesity. © Fotolia

Rich or poor in gut bacteria: we are not all equal facing obesity associated diseases

Published simultaneously today in Nature, two studies could lead to important outcomes in the field of preventive and personalized medicine. Carried out by INRA in France jointly with French and international partners*, these studies showed for the first time that 2 groups of individuals can be distinguished in the population, according to differences in the richness of their gut bacteria (microbiota). Scientists observed that individuals lacking gut bacteria (diversity depletion) are at greater risk to develop diseases associated with obesity. Parallel to this, they succeeded in improving the microbiota composition thanks to a specific diet. It would therefore be possible to develop a simple identification test for these people at risk and offer them a dedicated preventive solution.

Updated on 06/22/2017
Published on 08/28/2013

The obesity epidemic affected 400 million adults in 2005; it will affect more than 700 million in 2015 and will continue to grow. The causes are partly due to external factors (sedentary lifestyle, high energy food easily obtained…) and partly due to genetic factors. However, the latter seem to count for only a minor part of the trend. More and more data show that variations in our “other” genome, the microbiome, i.e. the global genome of all microorganisms we host in our bodies, may have greater consequences on the onset of obesity than variations in the human genome.

Two groups of individuals according to the bacterial composition of the digestive tract

A first study conducted by the MetaHIT* consortium focused on a cohort of 292 Danish adults, comprising 123 non-obese and 169 obese. The scientists analyzed their gut bacterial genome with the help of a new analytical approach called quantitative metagenomics. They found that two groups of people can be distinguished by the richness of bacteria they carry and the abundance of certain bacterial species. A quarter of the cohort is “poor” in bacteria, whereas the rest is “rich”. “This is the first time we find evidence of such a distinction in the population. Besides, this distinction is not dependent on corpulence since lean and obese are found in both groups, even though 80% of the low bacterial richness group are obese”, explains Stanislas Dusko Ehrlich, corresponding author of the study.

An increased risk of obesity-associated complications

When comparing the two groups, scientists discovered that people with a poor microbiota have more body fat, are more resistant to the action of insulin, have unfavorably altered blood lipids and show increased blood levels of inflammation markers and white blood cells, bringing them at increased risk of contracting pre-diabetes, overt type 2 diabetes, cardiovascular disorders and possibly cancer.

Some bacterial species limit weight gain

Researchers also observed that obese people from the poor group gain more weight over time than the lean ones. These individuals either lacked entirely or had a very low abundance of eight particular bacterial species, which might therefore have a protective role against weight gain. Their discovery could, in turn, lead to the development of new probiotics which help fight against weight gain.

Six bacterial species suffice to differentiate the “poor” from the “rich”

The second study conducted by the French consortium MicroObes* on a cohort of 49 French obese or overweight persons, confirms the results of the first study. The low or high bacterial communities are similar in both French and Danes. Moreover, it is possible to differentiate the “rich” communities from the “poor” ones with only six typical bacterial species, with an accuracy of 95%. These results could lead to the elaboration of a simple method to determine what type of microbial community an individual carries.

A specific diet enriches the microbiota

The French study focused on the impact of a diet, high in protein and fiber, and low in calories, on the richness of the gut microbiota. This diet, after 6 weeks, led to not only an expected improvement of the clinical characteristics of the individuals under study, but also to an increase of the richness within the poor group. Scientists were thus able to correlate the increase of the bacterial richness with the weight and fat loss. The way is now open not only for diagnosis of individuals at risk but also to nutritional recommendations to help them.

However, chronic inflammation could not be corrected by diet within the poor group as efficiently as in the rich group, indicating the need for personalized treatments. Other means may be required for this, possibly medication.
“A hope for future is that clinical signs associated with obesity could be corrected or even better prevented by the early detection of microbiota alteration and specific nutritional recommendations” says Dusko Ehrlich. The two studies thus pave the way to a preventive medicine for chronic diseases, an alternative to curative treatment the cost of which for industrialized societies becomes more and more financially unsustainable.

References

Emmanuelle Le Chatelier et al. Richness of human gut microbiome correlates with metabolic markers. Nature, 29 August 2013. DOI: 10.1038/nature12506
Aurélie Cotillard et al. Dietary intervention impact on gut microbial gene richness. Nature, 29 August 2013. DOI: 10.1038/nature12480

Contact(s)
Scientific contact(s):

Press Relations:
INRA News Office (+33 1 42 75 91 86)
Associated Division(s):
Attribute Type Value
node_id string 101443
parent_node_id string 232
main_node_id string 101443
contentobject_id string 94905
contentobject_version string 64
contentobject_is_published string 1
depth string 3
sort_field string 1
sort_order string 1
priority string 1
modified_subnode string 1498123035
path_string string '/1/2/232/101443/'
path_identification_string string 'sitedept/deptunite28'
remote_id string '230bb61b0222959dc81d9a86f0293caa'
is_hidden string 0
is_invisible string 0
name string 'Microbiology and the Food Chain '
data_map array Array(33)
>seo object[eZContentObjectAttribute] Object
>title object[eZContentObjectAttribute] Object
>bloc_xml_introduction object[eZContentObjectAttribute] Object
>bloc_xml_presentation object[eZContentObjectAttribute] Object
>shortchapo object[eZContentObjectAttribute] Object
>zoom_news object[eZContentObjectAttribute] Object
>url object[eZContentObjectAttribute] Object
>mail_contact object[eZContentObjectAttribute] Object
>contact object[eZContentObjectAttribute] Object
>address object[eZContentObjectAttribute] Object
>robots object[eZContentObjectAttribute] Object
>metadescription object[eZContentObjectAttribute] Object
>centercode object[eZContentObjectAttribute] Object
>pathprefix object[eZContentObjectAttribute] Object
>display_twitterbar object[eZContentObjectAttribute] Object
>url_communitylink1 object[eZContentObjectAttribute] Object
>logo_communitylink1 object[eZContentObjectAttribute] Object
>url_communitylink2 object[eZContentObjectAttribute] Object
>logo_communitylink2 object[eZContentObjectAttribute] Object
>url_communitylink3 object[eZContentObjectAttribute] Object
>logo_communitylink3 object[eZContentObjectAttribute] Object
>url_communitylink4 object[eZContentObjectAttribute] Object
>logo_communitylink4 object[eZContentObjectAttribute] Object
>bloc_edito_intro object[eZContentObjectAttribute] Object
>bloc_edito_presentation object[eZContentObjectAttribute] Object
>jobdisplay object[eZContentObjectAttribute] Object
>visual object[eZContentObjectAttribute] Object
>credits object[eZContentObjectAttribute] Object
>mentions object[eZContentObjectAttribute] Object
>arborh object[eZContentObjectAttribute] Object
>extranet_link object[eZContentObjectAttribute] Object
>jobteaser object[eZContentObjectAttribute] Object
>urlteaser object[eZContentObjectAttribute] Object
object object[eZContentObject] Object
>id string 94905
>section_id string 1
>owner_id string 14
>contentclass_id string 50
>name string 'Microbiology and the Food Chain '
>published string 1358170803
>modified string 1491403754
>current_version string 64
>status string 1
>remote_id string '8c235d493cd98f96b18b936bc0d50e15'
>language_mask string 6
>initial_language_id string 2
>current object[eZContentObjectVersion] Object
>versions array Array(10)
>author_array array Array(3)
>class_name string 'Département : Site'
>content_class object[eZContentClass] Object
>contentobject_attributes array Array(33)
>owner object[eZContentObject] Object
>related_contentobject_array array Array(0)
>related_contentobject_count string 0
>reverse_related_contentobject_array array Array(1)
>reverse_related_contentobject_count string 2
>linked_contentobject_array array Array(0)
>linked_contentobject_count string 0
>reverse_linked_contentobject_array array Array(1)
>reverse_linked_contentobject_count string 2
>embedded_contentobject_array array Array(0)
>embedded_contentobject_count string 0
>reverse_embedded_contentobject_array array Array(0)
>reverse_embedded_contentobject_count string 0
>can_read boolean true
>can_pdf boolean true
>can_diff boolean false
>can_create boolean false
>can_create_class_list array Array(0)
>can_edit boolean false
>can_translate boolean false
>can_remove boolean false
>can_move boolean false
>can_move_from boolean false
>can_view_embed boolean false
>data_map array Array(33)
>grouped_data_map array Array(1)
>main_parent_node_id string 232
>assigned_nodes array Array(1)
>parent_nodes array Array(1)
>main_node_id string 101443
>main_node object[eZContentObjectTreeNode] Object
>default_language string 'eng-GB'
>content_action_list boolean false
>class_identifier string 'inra_departement'
>class_group_id_list array Array(1)
>match_ingroup_id_list boolean false
>current_language string 'eng-GB'
>current_language_object object[eZContentLanguage] Object
>initial_language object[eZContentLanguage] Object
>initial_language_code string 'fre-FR'
>available_languages array Array(1)
>language_codes array Array(1)
>language_js_array string '[{"locale":"eng-GB","name":"English (United Kingdom)"}]'
>languages array Array(1)
>all_languages array Array(2)
>can_edit_languages array Array(0)
>can_create_languages array Array(0)
>always_available integer 0
>allowed_assign_section_list array Array(1)
>allowed_assign_state_id_list array Array(1)
>allowed_assign_state_list array Array(0)
>state_id_array array Array(1)
>state_identifier_array array Array(1)
subtree array Array(37)
>0 object[eZContentObjectTreeNode] Object
>1 object[eZContentObjectTreeNode] Object
>2 object[eZContentObjectTreeNode] Object
>3 object[eZContentObjectTreeNode] Object
>4 object[eZContentObjectTreeNode] Object
>5 object[eZContentObjectTreeNode] Object
>6 object[eZContentObjectTreeNode] Object
>7 object[eZContentObjectTreeNode] Object
>8 object[eZContentObjectTreeNode] Object
>9 object[eZContentObjectTreeNode] Object
>10 object[eZContentObjectTreeNode] Object
>11 object[eZContentObjectTreeNode] Object
>12 object[eZContentObjectTreeNode] Object
>13 object[eZContentObjectTreeNode] Object
>14 object[eZContentObjectTreeNode] Object
>15 object[eZContentObjectTreeNode] Object
>16 object[eZContentObjectTreeNode] Object
>17 object[eZContentObjectTreeNode] Object
>18 object[eZContentObjectTreeNode] Object
>19 object[eZContentObjectTreeNode] Object
>20 object[eZContentObjectTreeNode] Object
>21 object[eZContentObjectTreeNode] Object
>22 object[eZContentObjectTreeNode] Object
>23 object[eZContentObjectTreeNode] Object
>24 object[eZContentObjectTreeNode] Object
>25 object[eZContentObjectTreeNode] Object
>26 object[eZContentObjectTreeNode] Object
>27 object[eZContentObjectTreeNode] Object
>28 object[eZContentObjectTreeNode] Object
>29 object[eZContentObjectTreeNode] Object
>30 object[eZContentObjectTreeNode] Object
>31 object[eZContentObjectTreeNode] Object
>32 object[eZContentObjectTreeNode] Object
>33 object[eZContentObjectTreeNode] Object
>34 object[eZContentObjectTreeNode] Object
>35 object[eZContentObjectTreeNode] Object
>36 object[eZContentObjectTreeNode] Object
children array Array(8)
>0 object[eZContentObjectTreeNode] Object
>1 object[eZContentObjectTreeNode] Object
>2 object[eZContentObjectTreeNode] Object
>3 object[eZContentObjectTreeNode] Object
>4 object[eZContentObjectTreeNode] Object
>5 object[eZContentObjectTreeNode] Object
>6 object[eZContentObjectTreeNode] Object
>7 object[eZContentObjectTreeNode] Object
children_count string 8
view_count integer 0
contentobject_version_object object[eZContentObjectVersion] Object
>id string 420869
>contentobject_id string 94905
>creator_id string 95413
>version string 64
>status string 1
>created string 1491403681
>modified string 1491403752
>workflow_event_pos string 0
>user_id string 0
>language_mask string 7
>initial_language_id string 2
>creator object[eZContentObject] Object
>name string 'Microbiologie et chaîne alimentaire'
>version_name string 'Microbiologie et chaîne alimentaire'
>main_parent_node_id string 232
>contentobject_attributes array Array(33)
>related_contentobject_array array Array(0)
>reverse_related_object_list array Array(1)
>parent_nodes array Array(1)
>can_read boolean false
>can_remove boolean false
>data_map array Array(33)
>node_assignments array Array(1)
>contentobject object[eZContentObject] Object
>initial_language object[eZContentLanguage] Object
>language_list array Array(2)
>translation boolean false
>translation_list array Array(2)
>complete_translation_list array Array(2)
>temp_main_node object[eZContentObjectTreeNode] Object
sort_array array Array(1)
>0 array Array(2)
can_read boolean true
can_pdf boolean true
can_create boolean false
can_edit boolean false
can_hide boolean false
can_remove boolean false
can_move boolean false
can_move_from boolean false
can_add_location boolean false
can_remove_location boolean false
can_view_embed boolean false
is_main boolean true
creator object[eZContentObject] Object
>id string 95413
>section_id string 2
>owner_id string 14
>contentclass_id string 4
>name string 'Canceill Danielle'
>published string 1358178897
>modified string 1474106708
>current_version string 2
>status string 1
>remote_id string '109c16b1fe772743b4d5e91a0731eb33'
>language_mask string 5
>initial_language_id string 4
>current object[eZContentObjectVersion] Object
>versions array Array(2)
>author_array array Array(2)
>class_name string 'User'
>content_class object[eZContentClass] Object
>contentobject_attributes array Array(5)
>owner object[eZContentObject] Object
>related_contentobject_array array Array(0)
>related_contentobject_count string 0
>reverse_related_contentobject_array array Array(0)
>reverse_related_contentobject_count string 0
>linked_contentobject_array array Array(0)
>linked_contentobject_count string 0
>reverse_linked_contentobject_array array Array(0)
>reverse_linked_contentobject_count string 0
>embedded_contentobject_array array Array(0)
>embedded_contentobject_count string 0
>reverse_embedded_contentobject_array array Array(0)
>reverse_embedded_contentobject_count string 0
>can_read boolean false
>can_pdf boolean false
>can_diff boolean false
>can_create boolean false
>can_create_class_list array Array(0)
>can_edit boolean false
>can_translate boolean false
>can_remove boolean false
>can_move boolean false
>can_move_from boolean false
>can_view_embed boolean false
>data_map array Array(5)
>grouped_data_map array Array(1)
>main_parent_node_id string 312
>assigned_nodes array Array(3)
>parent_nodes array Array(3)
>main_node_id string 101971
>main_node object[eZContentObjectTreeNode] Object
>default_language string 'eng-GB'
>content_action_list boolean false
>class_identifier string 'user'
>class_group_id_list array Array(1)
>match_ingroup_id_list boolean false
>current_language string 'eng-GB'
>current_language_object object[eZContentLanguage] Object
>initial_language object[eZContentLanguage] Object
>initial_language_code string 'eng-GB'
>available_languages array Array(1)
>language_codes array Array(1)
>language_js_array string '[{"locale":"eng-GB","name":"English (United Kingdom)"}]'
>languages array Array(1)
>all_languages array Array(1)
>can_edit_languages array Array(0)
>can_create_languages array Array(0)
>always_available integer 1
>allowed_assign_section_list array Array(1)
>allowed_assign_state_id_list array Array(1)
>allowed_assign_state_list array Array(0)
>state_id_array array Array(1)
>state_identifier_array array Array(1)
path_with_names string 'sitedept/deptunite28'
path array Array(2)
>0 object[eZContentObjectTreeNode] Object
>1 object[eZContentObjectTreeNode] Object
path_array array Array(4)
>0 integer 1
>1 integer 2
>2 integer 232
>3 integer 101443
parent object[eZContentObjectTreeNode] Object
>node_id string 232
>parent_node_id string 2
>main_node_id string 232
>contentobject_id string 219
>contentobject_version string 59
>contentobject_is_published string 1
>depth string 2
>sort_field string 9
>sort_order string 1
>priority string 2
>modified_subnode string 1498656592
>path_string string '/1/2/232/'
>path_identification_string string 'sitedept'
>remote_id string '702cee6c5bb3a0f2459eb4705cbf71aa'
>is_hidden string 0
>is_invisible string 0
>name string 'INRA Divisions'
>data_map array Array(23)
>object object[eZContentObject] Object
>subtree array Array(784)
>children array Array(17)
>children_count string 17
>view_count integer 0
>contentobject_version_object object[eZContentObjectVersion] Object
>sort_array array Array(1)
>can_read boolean true
>can_pdf boolean true
>can_create boolean false
>can_edit boolean false
>can_hide boolean false
>can_remove boolean false
>can_move boolean false
>can_move_from boolean false
>can_add_location boolean false
>can_remove_location boolean false
>can_view_embed boolean false
>is_main boolean true
>creator object[eZContentObject] Object
>path_with_names string 'sitedept'
>path array Array(1)
>path_array array Array(3)
>parent object[eZContentObjectTreeNode] Object
>url string 'sitedept'
>url_alias string 'sitedept'
>class_identifier string 'inra_site_departements'
>class_name string 'Départements : Dispatch'
>hidden_invisible_string string '-/-'
>hidden_status_string string 'Visible'
>classes_js_array string '[{"classID":57,"name":"Actualit\u00e9"},{"classID":131,"name":"Annuaire : Rubrique"},{"classID":16,"name":"Article"},{"classID":17,"name":"Article (main-page)"},{"classID":18,"name":"Article (sub-page)"},{"classID":42,"name":"Banner"},{"classID":19,"name":"Blog"},{"classID":81,"name":"Blog : Billet"},{"classID":101,"name":"Blog : Billet marque blanche"},{"classID":62,"name":"Blog : Blog"},{"classID":99,"name":"Blog : Blog marque blanche"},{"classID":82,"name":"Blog : Rubrique additionnelle"},{"classID":20,"name":"Blog post"},{"classID":127,"name":"Br\u00e8ve"},{"classID":60,"name":"Carrousel : Actu de carrousel"},{"classID":143,"name":"Carrousel : Diapositive autonome"},{"classID":168,"name":"Carrousels"},{"classID":56,"name":"Centre : Site"},{"classID":94,"name":"Centres : Dispatch"},{"classID":13,"name":"Comment"},{"classID":50,"name":"D\u00e9partement : Site"},{"classID":95,"name":"D\u00e9partements : Dispatch"},{"classID":71,"name":"Digital Asset (Media)"},{"classID":24,"name":"Documentation page"},{"classID":154,"name":"Dossier"},{"classID":116,"name":"Dossier 'Parutions'"},{"classID":76,"name":"Dossier 'Quizs'"},{"classID":169,"name":"Dossier actu secondaire"},{"classID":89,"name":"Ev\u00e9nement"},{"classID":88,"name":"Ev\u00e9nements : Racine"},{"classID":40,"name":"Event"},{"classID":41,"name":"Event calendar"},{"classID":22,"name":"Feedback form"},{"classID":28,"name":"File"},{"classID":29,"name":"Flash"},{"classID":1,"name":"Folder"},{"classID":37,"name":"Forum"},{"classID":39,"name":"Forum reply"},{"classID":38,"name":"Forum topic"},{"classID":43,"name":"Forums"},{"classID":23,"name":"Frontpage"},{"classID":35,"name":"Gallery"},{"classID":36,"name":"Geo Article"},{"classID":145,"name":"Glossaire : Mot"},{"classID":30,"name":"Image"},{"classID":25,"name":"Infobox"},{"classID":130,"name":"Instit : Fiche Annuaire"},{"classID":140,"name":"Instit : Nous trouver"},{"classID":48,"name":"Instit : Racine"},{"classID":133,"name":"Instit : Rubrique 'Actu'"},{"classID":139,"name":"Instit : Th\u00e8me 'Annuaire'"},{"classID":134,"name":"Instit : Th\u00e8me 'Missions'"},{"classID":137,"name":"Instit : Th\u00e8me 'Organisation'"},{"classID":135,"name":"Instit : Th\u00e8me 'Rep\u00e8res'"},{"classID":136,"name":"Instit : Th\u00e8me 'Strat\u00e9gie'"},{"classID":46,"name":"Kiosque : Racine"},{"classID":31,"name":"Link"},{"classID":201,"name":"Logo"},{"classID":72,"name":"Magazine"},{"classID":142,"name":"Mediath\u00e8que : Mot cl\u00e9"},{"classID":149,"name":"Mediath\u00e8que : Playlist"},{"classID":52,"name":"Mediath\u00e8que : Racine"},{"classID":150,"name":"Mediath\u00e8que : Rubrique 'Mots cl\u00e9s'"},{"classID":148,"name":"Mediath\u00e8que : Rubrique 'Playlist'"},{"classID":141,"name":"Mediath\u00e8que : Rubrique 'Zoom'"},{"classID":199,"name":"Mediath\u00e8que : Rubrique simple"},{"classID":121,"name":"M\u00e9taprogramme : Site"},{"classID":96,"name":"M\u00e9taprogrammes : Dispatch"},{"classID":161,"name":"Mon Compte"},{"classID":124,"name":"Mon Compte : Utilisateur Front"},{"classID":26,"name":"Multicalendar"},{"classID":119,"name":"Newsletter : Abonn\u00e9"},{"classID":104,"name":"Newsletter : Bloc s\u00e9l\u00e9ction"},{"classID":105,"name":"Newsletter : Bloc texte"},{"classID":103,"name":"Newsletter : Campagne simple"},{"classID":102,"name":"Newsletter : Campagne sp\u00e9ciale"},{"classID":120,"name":"Newsletter : Dossier 'Abonn\u00e9s'"},{"classID":122,"name":"Newsletter : Dossier 'D\u00e9sinscrits'"},{"classID":125,"name":"Newsletter : Dossier 'Entreprises'"},{"classID":126,"name":"Newsletter : Entreprise"},{"classID":100,"name":"Newsletter : Newsletter"},{"classID":92,"name":"Parution"},{"classID":27,"name":"Poll"},{"classID":47,"name":"Portail : Canal"},{"classID":45,"name":"Portail : Racine"},{"classID":53,"name":"Portail : Th\u00e8me"},{"classID":185,"name":"Portrait"},{"classID":163,"name":"Portrait Old"},{"classID":87,"name":"Presse : Accueil public"},{"classID":108,"name":"Presse : Biographie"},{"classID":91,"name":"Presse : Communiqu\u00e9"},{"classID":118,"name":"Presse : Dossier 'Biographies'"},{"classID":112,"name":"Presse : Dossier 'Communiqu\u00e9s'"},{"classID":115,"name":"Presse : Dossier 'Dossiers de presse'"},{"classID":203,"name":"Presse : Dossier 'Kits de presse'"},{"classID":107,"name":"Presse : Dossier de presse"},{"classID":63,"name":"Presse : Inscription"},{"classID":205,"name":"Presse : Kit de presse"},{"classID":51,"name":"Presse : Racine"},{"classID":21,"name":"Product"},{"classID":32,"name":"Quicktime"},{"classID":73,"name":"Quiz : Accueil"},{"classID":74,"name":"Quiz : Question"},{"classID":195,"name":"Quiz : question - r\u00e9ponse"},{"classID":75,"name":"Quiz : R\u00e9ponse"},{"classID":69,"name":"Racine"},{"classID":34,"name":"Real video"},{"classID":179,"name":"RH : Annonce permanente"},{"classID":176,"name":"RH : Annonce temporaire"},{"classID":181,"name":"RH : Article simple"},{"classID":172,"name":"RH : Campagne permanente"},{"classID":180,"name":"RH : Campagne temporaire"},{"classID":207,"name":"RH : Connexion Espagnole"},{"classID":187,"name":"RH : Discipline scientifique"},{"classID":193,"name":"RH : Domaine professionnel"},{"classID":165,"name":"RH : dossier 'Portraits'"},{"classID":177,"name":"RH : Dossier Reportages"},{"classID":183,"name":"RH : Fichier description"},{"classID":184,"name":"RH : Fichier inscription"},{"classID":178,"name":"RH : Folder annonces"},{"classID":197,"name":"RH : mobilit\u00e9 internationale"},{"classID":171,"name":"RH : Proc\u00e9dure"},{"classID":49,"name":"RH : Racine"},{"classID":175,"name":"RH : R\u00e9gion"},{"classID":167,"name":"RH : Rubrique"},{"classID":164,"name":"RH : Rubrique 'Actu'"},{"classID":170,"name":"RH : Rubrique emploi"},{"classID":174,"name":"RH : textes candidatures"},{"classID":189,"name":"RH : Type d'annonce"},{"classID":191,"name":"RH : Type nature de contrat"},{"classID":106,"name":"RSS : Flux"},{"classID":129,"name":"Rubrique texte simple"},{"classID":146,"name":"SEO : Robots txt"},{"classID":147,"name":"SEO : Sitemap xml"},{"classID":151,"name":"SEO : Valeurs par d\u00e9faut"},{"classID":44,"name":"Silverlight"},{"classID":166,"name":"Sites : Rubrique"},{"classID":33,"name":"Windows media"},{"classID":182,"name":"Xiti : Identifiants Home"}]'
>is_container string 1
url string 'sitedept/deptunite28'
url_alias string 'sitedept/deptunite28'
class_identifier string 'inra_departement'
class_name string 'Département : Site'
hidden_invisible_string string '-/-'
hidden_status_string string 'Visible'
classes_js_array string '[{"classID":57,"name":"Actualit\u00e9"},{"classID":131,"name":"Annuaire : Rubrique"},{"classID":16,"name":"Article"},{"classID":17,"name":"Article (main-page)"},{"classID":18,"name":"Article (sub-page)"},{"classID":42,"name":"Banner"},{"classID":19,"name":"Blog"},{"classID":81,"name":"Blog : Billet"},{"classID":101,"name":"Blog : Billet marque blanche"},{"classID":62,"name":"Blog : Blog"},{"classID":99,"name":"Blog : Blog marque blanche"},{"classID":82,"name":"Blog : Rubrique additionnelle"},{"classID":20,"name":"Blog post"},{"classID":127,"name":"Br\u00e8ve"},{"classID":60,"name":"Carrousel : Actu de carrousel"},{"classID":143,"name":"Carrousel : Diapositive autonome"},{"classID":168,"name":"Carrousels"},{"classID":56,"name":"Centre : Site"},{"classID":94,"name":"Centres : Dispatch"},{"classID":13,"name":"Comment"},{"classID":50,"name":"D\u00e9partement : Site"},{"classID":95,"name":"D\u00e9partements : Dispatch"},{"classID":71,"name":"Digital Asset (Media)"},{"classID":24,"name":"Documentation page"},{"classID":154,"name":"Dossier"},{"classID":116,"name":"Dossier 'Parutions'"},{"classID":76,"name":"Dossier 'Quizs'"},{"classID":169,"name":"Dossier actu secondaire"},{"classID":89,"name":"Ev\u00e9nement"},{"classID":88,"name":"Ev\u00e9nements : Racine"},{"classID":40,"name":"Event"},{"classID":41,"name":"Event calendar"},{"classID":22,"name":"Feedback form"},{"classID":28,"name":"File"},{"classID":29,"name":"Flash"},{"classID":1,"name":"Folder"},{"classID":37,"name":"Forum"},{"classID":39,"name":"Forum reply"},{"classID":38,"name":"Forum topic"},{"classID":43,"name":"Forums"},{"classID":23,"name":"Frontpage"},{"classID":35,"name":"Gallery"},{"classID":36,"name":"Geo Article"},{"classID":145,"name":"Glossaire : Mot"},{"classID":30,"name":"Image"},{"classID":25,"name":"Infobox"},{"classID":130,"name":"Instit : Fiche Annuaire"},{"classID":140,"name":"Instit : Nous trouver"},{"classID":48,"name":"Instit : Racine"},{"classID":133,"name":"Instit : Rubrique 'Actu'"},{"classID":139,"name":"Instit : Th\u00e8me 'Annuaire'"},{"classID":134,"name":"Instit : Th\u00e8me 'Missions'"},{"classID":137,"name":"Instit : Th\u00e8me 'Organisation'"},{"classID":135,"name":"Instit : Th\u00e8me 'Rep\u00e8res'"},{"classID":136,"name":"Instit : Th\u00e8me 'Strat\u00e9gie'"},{"classID":46,"name":"Kiosque : Racine"},{"classID":31,"name":"Link"},{"classID":201,"name":"Logo"},{"classID":72,"name":"Magazine"},{"classID":142,"name":"Mediath\u00e8que : Mot cl\u00e9"},{"classID":149,"name":"Mediath\u00e8que : Playlist"},{"classID":52,"name":"Mediath\u00e8que : Racine"},{"classID":150,"name":"Mediath\u00e8que : Rubrique 'Mots cl\u00e9s'"},{"classID":148,"name":"Mediath\u00e8que : Rubrique 'Playlist'"},{"classID":141,"name":"Mediath\u00e8que : Rubrique 'Zoom'"},{"classID":199,"name":"Mediath\u00e8que : Rubrique simple"},{"classID":121,"name":"M\u00e9taprogramme : Site"},{"classID":96,"name":"M\u00e9taprogrammes : Dispatch"},{"classID":161,"name":"Mon Compte"},{"classID":124,"name":"Mon Compte : Utilisateur Front"},{"classID":26,"name":"Multicalendar"},{"classID":119,"name":"Newsletter : Abonn\u00e9"},{"classID":104,"name":"Newsletter : Bloc s\u00e9l\u00e9ction"},{"classID":105,"name":"Newsletter : Bloc texte"},{"classID":103,"name":"Newsletter : Campagne simple"},{"classID":102,"name":"Newsletter : Campagne sp\u00e9ciale"},{"classID":120,"name":"Newsletter : Dossier 'Abonn\u00e9s'"},{"classID":122,"name":"Newsletter : Dossier 'D\u00e9sinscrits'"},{"classID":125,"name":"Newsletter : Dossier 'Entreprises'"},{"classID":126,"name":"Newsletter : Entreprise"},{"classID":100,"name":"Newsletter : Newsletter"},{"classID":92,"name":"Parution"},{"classID":27,"name":"Poll"},{"classID":47,"name":"Portail : Canal"},{"classID":45,"name":"Portail : Racine"},{"classID":53,"name":"Portail : Th\u00e8me"},{"classID":185,"name":"Portrait"},{"classID":163,"name":"Portrait Old"},{"classID":87,"name":"Presse : Accueil public"},{"classID":108,"name":"Presse : Biographie"},{"classID":91,"name":"Presse : Communiqu\u00e9"},{"classID":118,"name":"Presse : Dossier 'Biographies'"},{"classID":112,"name":"Presse : Dossier 'Communiqu\u00e9s'"},{"classID":115,"name":"Presse : Dossier 'Dossiers de presse'"},{"classID":203,"name":"Presse : Dossier 'Kits de presse'"},{"classID":107,"name":"Presse : Dossier de presse"},{"classID":63,"name":"Presse : Inscription"},{"classID":205,"name":"Presse : Kit de presse"},{"classID":51,"name":"Presse : Racine"},{"classID":21,"name":"Product"},{"classID":32,"name":"Quicktime"},{"classID":73,"name":"Quiz : Accueil"},{"classID":74,"name":"Quiz : Question"},{"classID":195,"name":"Quiz : question - r\u00e9ponse"},{"classID":75,"name":"Quiz : R\u00e9ponse"},{"classID":69,"name":"Racine"},{"classID":34,"name":"Real video"},{"classID":179,"name":"RH : Annonce permanente"},{"classID":176,"name":"RH : Annonce temporaire"},{"classID":181,"name":"RH : Article simple"},{"classID":172,"name":"RH : Campagne permanente"},{"classID":180,"name":"RH : Campagne temporaire"},{"classID":207,"name":"RH : Connexion Espagnole"},{"classID":187,"name":"RH : Discipline scientifique"},{"classID":193,"name":"RH : Domaine professionnel"},{"classID":165,"name":"RH : dossier 'Portraits'"},{"classID":177,"name":"RH : Dossier Reportages"},{"classID":183,"name":"RH : Fichier description"},{"classID":184,"name":"RH : Fichier inscription"},{"classID":178,"name":"RH : Folder annonces"},{"classID":197,"name":"RH : mobilit\u00e9 internationale"},{"classID":171,"name":"RH : Proc\u00e9dure"},{"classID":49,"name":"RH : Racine"},{"classID":175,"name":"RH : R\u00e9gion"},{"classID":167,"name":"RH : Rubrique"},{"classID":164,"name":"RH : Rubrique 'Actu'"},{"classID":170,"name":"RH : Rubrique emploi"},{"classID":174,"name":"RH : textes candidatures"},{"classID":189,"name":"RH : Type d'annonce"},{"classID":191,"name":"RH : Type nature de contrat"},{"classID":106,"name":"RSS : Flux"},{"classID":129,"name":"Rubrique texte simple"},{"classID":146,"name":"SEO : Robots txt"},{"classID":147,"name":"SEO : Sitemap xml"},{"classID":151,"name":"SEO : Valeurs par d\u00e9faut"},{"classID":44,"name":"Silverlight"},{"classID":166,"name":"Sites : Rubrique"},{"classID":33,"name":"Windows media"},{"classID":182,"name":"Xiti : Identifiants Home"}]'
is_container string 1
Microbiology and the Food Chain
Associated Centre(s):
Jouy-en-Josas

* Two research consortia focusing on the human gut microbiota

MetaHIT (METAgenomics of the Human Intestinal Tract) is a FP7 research project, coordinated by INRA, that ended in June 2012 and gathered within an international consortium 14 European research institutions and private firms (France, Germany, Denmark, Spain, Italy, Netherland, UK) and China. http://www.metahit.eu/

MicroObes (Human gut microbiome with obesity and nutritional transition) is a program funded by ANR, coordinated by INRA, that ended in January 2011 and gathered 5 research units from INRA, INSERM, AP-HP, CEA. http://www7.inra.fr/micro_obes_eng/le_projet