FN Archimer Export Format
PT J
TI A novel and dual digestive symbiosis scales up the nutrition and immune system of the holobiont Rimicaris exoculata
BT 
AF Aubé, Johanne
   CAMBON-Bonavita, Marie-Anne
   Velo-Suárez, Lourdes
   Cueff-Gauchard, Valerie
   Lesongeur, Francoise
   Guéganton, Marion
   Durand, Lucile
   Reveillaud, Julie
AS 1:1;2:1;3:1,2;4:1;5:1;6:1;7:1;8:1,3;
FF 1:PDG-REM-BEEP-LMEE;2:PDG-REM-BEEP-LMEE;3:;4:PDG-REM-BEEP-LMEE;5:PDG-REM-BEEP-LMEE;6:PDG-REM-BEEP-LMEE;7:PDG-REM-BEEP-LMEE;8:;
C1 Univ Brest, Ifremer, CNRS, Unité Biologie des Environnements Extrêmes marins Profonds, F-29280, Plouzané, France
   Univ Brest, INSERM, EFS, UMR 1078, GGB, F-29200 Brest, France andCentre Brestois d’Analyse du Microbiote (CBAM), Brest University Hospital, Brest, France
   MIVEGEC, Univ. Montpellier, INRAe, CNRS, IRD, Montpellier, France
C2 IFREMER, FRANCE
   UBO, FRANCE
   INRAE, FRANCE
SI BREST
SE PDG-REM-BEEP-LMEE
UM BEEP-LM2E
IN WOS Ifremer UMR
   DOAJ
   copubli-france
   copubli-p187
   copubli-univ-france
IF 15.5
TC 3
UR https://archimer.ifremer.fr/doc/00768/87957/97574.pdf
   https://archimer.ifremer.fr/doc/00768/87957/97575.pdf
   https://archimer.ifremer.fr/doc/00768/87957/97576.pdf
   https://archimer.ifremer.fr/doc/00768/87957/97577.pdf
   https://archimer.ifremer.fr/doc/00768/87957/97578.xlsx
   https://archimer.ifremer.fr/doc/00768/87957/97579.xlsx
   https://archimer.ifremer.fr/doc/00768/87957/97580.xlsx
   https://archimer.ifremer.fr/doc/00768/87957/97581.xlsx
   https://archimer.ifremer.fr/doc/00768/87957/97582.xlsx
   https://archimer.ifremer.fr/doc/00768/87957/97583.xlsx
LA English
DT Article
CR BICOSE
   BICOSE 2
   BIOBAZ 2013
BO Pourquoi pas ?
DE ;Rimicaris exoculata;Digestive symbiosis;Hepatoplasmataceae;Deferribacteres;Immunity;Metagenomics
AB Background In deep-sea hydrothermal vent areas, deprived of light, most animals rely on chemosynthetic symbionts for their nutrition. These symbionts may be located on their cuticle, inside modified organs, or in specialized cells. Nonetheless, many of these animals have an open and functional digestive tract. The vent shrimp Rimicaris exoculata is fueled mainly by its gill chamber symbionts, but also has a complete digestive system with symbionts. These are found in the shrimp foregut and midgut, but their roles remain unknown. We used genome-resolved metagenomics on separate foregut and midgut samples, taken from specimens living at three contrasted sites along the Mid-Atlantic Ridge (TAG, Rainbow, and Snake Pit) to reveal their genetic potential. Results We reconstructed and studied 20 Metagenome-Assembled Genomes (MAGs), including novel lineages of Hepatoplasmataceae and Deferribacteres, abundant in the shrimp foregut and midgut, respectively. Although the former showed streamlined reduced genomes capable of using mostly broken-down complex molecules, Deferribacteres showed the ability to degrade complex polymers, synthesize vitamins, and encode numerous flagellar and chemotaxis genes for host-symbiont sensing. Both symbionts harbor a diverse set of immune system genes favoring holobiont defense. In addition, Deferribacteres were observed to particularly colonize the bacteria-free ectoperitrophic space, in direct contact with the host, elongating but not dividing despite possessing the complete genetic machinery necessary for this. Conclusion Overall, these data suggest that these digestive symbionts have key communication and defense roles, which contribute to the overall fitness of the Rimicaris holobiont. 
PY 2022
PD NOV
SO Microbiome
SN 2049-2618
PU BMC
VL 10
IS 1
UT 000879061400002
DI 10.1186/s40168-022-01380-2
ID 87957
ER

EF