J. Verani, L. Mcgee, and S. Schrag, Prevention of perinatal group B streptococcal disease?revised guidelines from CDC, MMWR Recomm Rep, vol.59, pp.1-36, 2010.

K. Edmond, C. Kortsalioudaki, S. Scott, S. Schrag, and A. Zaidi, Group B streptococcal disease in infants aged younger than 3 months: systematic review and meta-analysis, The Lancet, vol.379, issue.9815, pp.547-556, 2012.
DOI : 10.1016/S0140-6736(11)61651-6

C. Phares, R. Lynfield, M. Farley, J. Mohle-boetani, and L. Harrison, Epidemiology of Invasive Group B Streptococcal Disease in the United States, 1999-2005, JAMA, vol.299, issue.17, pp.2056-2065, 1999.
DOI : 10.1001/jama.299.17.2056

G. Lindahl, M. Stalhammar-carlemalm, and T. Areschoug, Surface Proteins of Streptococcus agalactiae and Related Proteins in Other Bacterial Pathogens, Clinical Microbiology Reviews, vol.18, issue.1, pp.102-127, 2005.
DOI : 10.1128/CMR.18.1.102-127.2005

S. Mazmanian, H. Ton-that, and O. Schneewind, Sortase-catalysed anchoring of surface proteins to the cell wall of Staphylococcus aureus, Molecular Microbiology, vol.66, issue.5, pp.1049-1057, 2001.
DOI : 10.1016/S0092-8674(00)81839-5

A. Perry, H. Ton-that, S. Mazmanian, and O. Schneewind, Anchoring of Surface Proteins to the Cell Wall of Staphylococcus aureus. III. LIPID II IS AN IN VIVO PEPTIDOGLYCAN SUBSTRATE FOR SORTASE-CATALYZED SURFACE PROTEIN ANCHORING, Journal of Biological Chemistry, vol.277, issue.18, pp.16241-16248, 2002.
DOI : 10.1074/jbc.M109194200

P. Glaser, C. Rusniok, C. Buchrieser, C. F. Frangeul, and L. , Genome sequence of Streptococcus agalactiae, a pathogen causing invasive neonatal disease, Molecular Microbiology, vol.181, issue.6, pp.1499-1513, 2002.
DOI : 10.1046/j.1365-2958.2002.03126.x

L. Lalioui, E. Pellegrini, S. Dramsi, M. Baptista, and N. Bourgeois, The SrtA Sortase of Streptococcus agalactiae Is Required for Cell Wall Anchoring of Proteins Containing the LPXTG Motif, for Adhesion to Epithelial Cells, and for Colonization of the Mouse Intestine, Infection and Immunity, vol.73, issue.6, pp.3342-3350, 2005.
DOI : 10.1128/IAI.73.6.3342-3350.2005

URL : https://hal.archives-ouvertes.fr/hal-00019655

J. Rosch and M. Caparon, A Microdomain for Protein Secretion in Gram-Positive Bacteria, Science, vol.304, issue.5676, pp.1513-1515, 2004.
DOI : 10.1126/science.1097404

F. Carlsson, M. Stalhammar-carlemalm, K. Flardh, C. Sandin, and E. Carlemalm, Signal sequence directs localized secretion of bacterial surface proteins, Nature, vol.50, issue.7105, pp.943-946, 2006.
DOI : 10.1038/nature05021

A. Raz, S. Talay, and V. Fischetti, Cellular aspects of the distinct M protein and SfbI anchoring pathways in Streptococcus pyogenes, Molecular Microbiology, vol.32, issue.4, pp.631-647, 2012.
DOI : 10.1111/j.1365-2958.2012.08047.x

A. Dedent, T. Bae, D. Missiakas, and O. Schneewind, Signal peptides direct surface proteins to two distinct envelope locations of Staphylococcus aureus, The EMBO Journal, vol.178, issue.20, pp.2656-2668, 2008.
DOI : 10.1126/science.8392747

W. Yu and F. Gotz, Cell Wall Antibiotics Provoke Accumulation of Anchored mCherry in the Cross Wall of Staphylococcus aureus, PLoS ONE, vol.50, issue.1, p.30076, 2012.
DOI : 10.1371/journal.pone.0030076.s003

A. Zapun, T. Vernet, and M. Pinho, The different shapes of cocci, FEMS Microbiology Reviews, vol.32, issue.2, pp.345-360, 2008.
DOI : 10.1111/j.1574-6976.2007.00098.x

K. Tiyanont, T. Doan, M. Lazarus, X. Fang, and D. Rudner, Imaging peptidoglycan biosynthesis in Bacillus subtilis with fluorescent antibiotics, Proceedings of the National Academy of Sciences, vol.103, issue.29, pp.11033-11038, 2006.
DOI : 10.1073/pnas.0600829103

W. Ng, K. Kazmierczak, and M. Winkler, Defective cell wall synthesis in Streptococcus pneumoniae R6 depleted for the essential PcsB putative murein hydrolase or the VicR (YycF) response regulator, Molecular Microbiology, vol.182, issue.4, pp.1161-1175, 2004.
DOI : 10.1111/j.1365-2958.2004.04196.x

D. Reinscheid, C. Stosser, K. Ehlert, R. Jack, and K. Moller, Influence of proteins Bsp and FemH on cell shape and peptidoglycan composition in group B streptococcus c, Microbiology, vol.148, issue.10, pp.3245-3254, 2002.
DOI : 10.1099/00221287-148-10-3245

M. Hensler, D. Quach, C. Hsieh, K. Doran, and V. Nizet, CAMP factor is not essential for systemic virulence of Group B Streptococcus, Microbial Pathogenesis, vol.44, issue.1, pp.84-88, 2008.
DOI : 10.1016/j.micpath.2007.08.005

S. Lang and M. Palmer, CAMP Factor as a Pore-forming Toxin, Journal of Biological Chemistry, vol.278, issue.40, pp.38167-38173, 2003.
DOI : 10.1074/jbc.M303544200

A. Podbielski, O. Blankenstein, and R. Lutticken, Molecular characterization of the cfb gene encoding group B streptococcal CAMP-factor, Medical Microbiology and Immunology, vol.60, issue.5, pp.239-256, 1994.
DOI : 10.1007/BF00198458

Y. Konto-ghiorghi, E. Mairey, A. Mallet, G. Dumenil, and E. Caliot, Dual Role for Pilus in Adherence to Epithelial Cells and Biofilm Formation in Streptococcus agalactiae, PLoS Pathogens, vol.21, issue.1, p.1000422, 2009.
DOI : 10.1371/journal.ppat.1000422.s004

M. Lamy, M. Zouine, J. Fert, M. Vergassola, and E. Couve, CovS/CovR of group B streptococcus: a two-component global regulatory system involved in virulence, Molecular Microbiology, vol.234, issue.5, pp.1250-1268, 2004.
DOI : 10.1111/j.1365-2958.2004.04365.x

URL : https://hal.archives-ouvertes.fr/hal-00019892

S. Dramsi, E. Caliot, I. Bonne, S. Guadagnini, and M. Prevost, Assembly and role of pili in group B streptococci, Molecular Microbiology, vol.65, issue.6, pp.1401-1413, 2006.
DOI : 10.1111/j.1365-2958.2004.04117.x

M. Stalhammar-carlemalm, T. Areschoug, C. Larsson, and G. Lindahl, The R28 protein of Streptococcus pyogenes is related to several group B streptococcal surface proteins, confers protective immunity and promotes binding to human epithelial cells, Molecular Microbiology, vol.62, issue.1, pp.208-219, 1999.
DOI : 10.1074/jbc.271.31.18892

T. Harris, D. Shelver, J. Bohnsack, and C. Rubens, A novel streptococcal surface protease promotes virulence, resistance to opsonophagocytosis, and cleavage of human fibrinogen, Journal of Clinical Investigation, vol.111, issue.1, pp.61-70, 2003.
DOI : 10.1172/JCI200316270

J. Bryan and D. Shelver, Streptococcus agalactiae CspA Is a Serine Protease That Inactivates Chemokines, Journal of Bacteriology, vol.191, issue.6, pp.1847-1854, 2009.
DOI : 10.1128/JB.01124-08

C. Rubens, L. Heggen, R. Haft, and M. Wessels, Identification of cpsD, a gene essential for type III capsule expression in group B streptococci, Molecular Microbiology, vol.265, issue.5, pp.843-855, 1993.
DOI : 10.1073/pnas.86.22.8983

T. Bae and O. Schneewind, The YSIRK-G/S Motif of Staphylococcal Protein A and Its Role in Efficiency of Signal Peptide Processing, Journal of Bacteriology, vol.185, issue.9, pp.2910-2919, 2003.
DOI : 10.1128/JB.185.9.2910-2919.2003

S. Rioux, D. Martin, H. Ackermann, J. Dumont, and J. Hamel, Localization of Surface Immunogenic Protein on Group B Streptococcus, Infection and Immunity, vol.69, issue.8, pp.5162-5165, 2001.
DOI : 10.1128/IAI.69.8.5162-5165.2001

H. Tsui, S. Keen, L. Sham, K. Wayne, and M. Winkler, Dynamic Distribution of the SecA and SecY Translocase Subunits and Septal Localization of the HtrA Surface Chaperone/Protease during Streptococcus pneumoniae D39 Cell Division, mBio, vol.2, issue.5, pp.202-213, 2011.
DOI : 10.1128/mBio.00202-11

J. Rosch, F. Hsu, and M. Caparon, Anionic Lipids Enriched at the ExPortal of Streptococcus pyogenes, Journal of Bacteriology, vol.189, issue.3, pp.801-806, 2007.
DOI : 10.1128/JB.01549-06

N. Campo, H. Tjalsma, G. Buist, D. Stepniak, and M. Meijer, Subcellular sites for bacterial protein export, Molecular Microbiology, vol.131, issue.6, pp.1583-1599, 2004.
DOI : 10.1111/j.1365-2958.2004.04278.x

S. Lee, V. Pancholi, and V. Fischetti, Characterization of a Unique Glycosylated Anchor Endopeptidase That Cleaves the LPXTG Sequence Motif of Cell Surface Proteins of Gram-positive Bacteria, Journal of Biological Chemistry, vol.277, issue.49, pp.46912-46922, 2002.
DOI : 10.1074/jbc.M208660200

S. Lee and V. Fischetti, Purification and Characterization of LPXTGase from Staphylococcus aureus: the Amino Acid Composition Mirrors That Found in the Peptidoglycan, Journal of Bacteriology, vol.188, issue.2, pp.389-398, 2006.
DOI : 10.1128/JB.188.2.389-398.2006

M. Mistou, S. Dramsi, S. Brega, C. Poyart, and P. Trieu-cuot, Molecular Dissection of the secA2 Locus of Group B Streptococcus Reveals that Glycosylation of the Srr1 LPXTG Protein Is Required for Full Virulence, Journal of Bacteriology, vol.191, issue.13, pp.4195-4206, 2009.
DOI : 10.1128/JB.01673-08

H. Bierne and S. Dramsi, Spatial positioning of cell wall-anchored virulence factors in Gram-positive bacteria, Current Opinion in Microbiology, vol.15, issue.6, pp.715-723, 2012.
DOI : 10.1016/j.mib.2012.10.010

C. Poyart, E. Pellegrini, O. Gaillot, C. Boumaila, and M. Baptista, Contribution of Mn-Cofactored Superoxide Dismutase (SodA) to the Virulence of Streptococcus agalactiae, Infection and Immunity, vol.69, issue.8, pp.5098-5106, 2001.
DOI : 10.1128/IAI.69.8.5098-5106.2001

D. Chaffin, S. Beres, H. Yim, and C. Rubens, The Serotype of Type Ia and III Group B Streptococci Is Determined by the Polymerase Gene within the Polycistronic Capsule Operon, Journal of Bacteriology, vol.182, issue.16, pp.4466-4477, 2000.
DOI : 10.1128/JB.182.16.4466-4477.2000

J. Sambrook, E. Fritsch, and T. Maniatis, Molecular Cloning: a Laboratory Manual, 1989.