B. J. Bachmann, Linkage map of Escherichia coli K-12, edition 8, Microbiol. Rev, vol.54, pp.130-197, 1990.

I. Bancroft, C. P. Wolk, and E. V. Oren, Physical and genetic maps of the genome of the heterocyst-forming cyanobacterium Anabaena sp. strain PCC 7120., Journal of Bacteriology, vol.171, issue.11, pp.5940-5948, 1989.
DOI : 10.1128/jb.171.11.5940-5948.1989

M. Bellis, M. Pages, and G. Roizis, A simple and ranid method for preparing yeast chromosomes for Pulse Field Gel Electrophoresis, Nucleic Acids Research, vol.15, issue.16, p.6749, 1987.
DOI : 10.1093/nar/15.16.6749

R. W. Bentley, J. A. Leigh, and M. D. Collins, Intrageneric Structure of Streptococcus Based on Comparative Analysis of Small-Subunit rRNA Sequences, International Journal of Systematic Bacteriology, vol.41, issue.4, pp.487-494, 1991.
DOI : 10.1099/00207713-41-4-487

B. J. Brewer, When polymerases collide: Replication and the transcriptional organization of the E. coli chromosome, Cell, vol.53, issue.5, pp.679-686, 1988.
DOI : 10.1016/0092-8674(88)90086-4

B. Canard and S. T. Cole, Genome organization of the anaerobic pathogen Clostridium perftingens, Proc. Natl. Acad. Sci. USA, pp.6676-6680, 1989.

B. Canard, B. Saint-joanis, and S. T. Cole, Genomic diversity and organization of virulence genes in the pathogenic anaerobe Clostridium perfringens, Molecular Microbiology, vol.51, issue.11, pp.1421-1429, 1992.
DOI : 10.1016/0378-1097(89)90235-8

G. F. Carle and M. V. Olson, Separation of chromosomal DNA molecules from yeast by orthogonal-field-alternation gel electrophoresis, Nucleic Acids Research, vol.12, issue.14, pp.5647-5664, 1984.
DOI : 10.1093/nar/12.14.5647

H. Chen, I. M. Keseler, and L. J. Shimkets, Genome size of Myxococcus xanthus determined by pulsed-field gel electrophoresis., Journal of Bacteriology, vol.172, issue.8, pp.4206-4213, 1990.
DOI : 10.1128/jb.172.8.4206-4213.1990

G. Chu, D. Vollrath, and R. W. Davis, Separation of large DNA molecules by contour-clamped homogeneous electric fields, Science, vol.234, issue.4783, pp.1582-1585, 1986.
DOI : 10.1126/science.3538420

C. Colmin, M. Pebay, J. M. Simonet, and B. Decaris, A species-specific DNA probe obtained from Streptococcus salivarius subsp. thermophilus detects strain restriction polymorphism, 1991.
URL : https://hal.archives-ouvertes.fr/hal-01659159

P. Daniel, E. De-waele, and J. N. Hallet, Optimization of transverse alternating field electrophoresis for strain identification of Leuconostoc oenos, Applied Microbiology and Biotechnology, vol.38, issue.5, pp.638-641, 1993.
DOI : 10.1007/BF00182803

P. Duwat, S. D. Ehrlich, and A. Gruss, A general method for cloning recA genes of gram-positive bacteria by polymerase chain reaction., Journal of Bacteriology, vol.174, issue.15, pp.5171-5175, 1992.
DOI : 10.1128/jb.174.15.5171-5175.1992

M. Ellwood and M. Nomura, Chromosomal locations of the genes for rRNA in Escherichia coli K-12, J. Bacteriol, vol.149, pp.458-468, 1982.

J. A. Farrow and M. D. Collins, DNA Base Composition, DNA-DNA Homology and Long-chain Fatty Acid Studies on Streptococcus thermophilus and Streptococcus salivarius, Microbiology, vol.130, issue.2, pp.357-362, 1984.
DOI : 10.1099/00221287-130-2-357

A. M. Gasc, L. Kauc, P. Barraille, M. Sicard, and S. Goodgal, Gene localization, size, and physical map of the chromosome of Streptococcus pneumoniae., Journal of Bacteriology, vol.173, issue.22, pp.7361-7367, 1991.
DOI : 10.1128/jb.173.22.7361-7367.1991

P. M. Giffard, C. Rathman, E. Kwan, D. W. Kwan, K. L. Bunny et al., The ftf gene encoding the cell-bound fructosyltransferase of Streptococcus salivarius ATCC 25975 is preceded by an insertion sequence and followed by FUR1 and clp P homologues, Journal of General Microbiology, vol.139, issue.5, pp.913-920, 1993.
DOI : 10.1099/00221287-139-5-913

P. M. Gifard, C. L. Simpson, C. P. Milward, and N. A. Jacques, Molecular characterization of a cluster of at least two glucosyltransferase genes in Streptococcus salivarius ATCC 25975, Journal of General Microbiology, vol.137, issue.11, 1991.
DOI : 10.1099/00221287-137-11-2577

C. J. Green and B. S. Vold, Sequence analysis of a cluster of twenty-one tRNA genes in Bacillus subtilis, Nucleic Acids Res, vol.19, pp.5763-5774, 1983.

C. J. Green and B. S. Vold, Staphylococcus aureus has clustered tRNA genes., Journal of Bacteriology, vol.175, issue.16, pp.5091-5096, 1993.
DOI : 10.1128/jb.175.16.5091-5096.1993

G. Guedon, M. Pbay, C. Colmin, J. M. Simonet, and B. Decaris, The 23S-5S spacer of two rRNA loci of Streptococcus salivarius subsp thermophilus includes a promoter, Biochimie, vol.74, issue.6, pp.585-588, 1992.
DOI : 10.1016/0300-9084(92)90159-C

URL : https://hal.archives-ouvertes.fr/hal-01659169

M. J. Hantman, S. Sun, P. J. Piggot, and L. Daneo-moore, Chromosome organization of Streptococcus mutans GS-5, Journal of General Microbiology, vol.139, issue.1, pp.67-77, 1993.
DOI : 10.1099/00221287-139-1-67

R. E. Herman and L. L. Mckay, Cloning and expression of the P-D-galactosidase gene from Streptococcus thermophilus in Escherichia coli, Appl. Environ. Microbiol, vol.52, pp.45-50, 1986.

E. D. Jarvis, R. L. Widom, G. Lafauci, Y. Setoguchi, I. R. Richter et al., Chromosomal organization of rRNA operons of Bacillus subtilis, Genetics, vol.120, pp.625-635, 1988.

M. Lamoureux, H. Pr6vots, J. F. Cavin, and C. Divies, Recognition of Leuconostoc oenos strains by the use of DNA restriction profiles, Applied Microbiology and Biotechnology, vol.64, issue.4-5, pp.547-552, 1993.
DOI : 10.1007/BF00205049

D. Larbi, C. Colmin, L. Rousselle, B. Decaris, and J. M. Simonet, bacteriophages, Le Lait, vol.70, issue.2, pp.107-116, 1990.
DOI : 10.1051/lait:199029

URL : https://hal.archives-ouvertes.fr/hal-00929200

P. Leblond, F. X. Francou, J. M. Simonet, and B. Decaris, strains, FEMS Microbiology Letters, vol.72, issue.1-2, pp.79-88, 1990.
DOI : 10.1111/j.1574-6968.1990.tb03866.x

URL : https://hal.archives-ouvertes.fr/hal-01658692

L. Bourgeois, P. , M. Lautier, M. Mata, and P. Ritzenthaler, Physical and genetic map of the chromosome of Lactococcus lactis subsp. lactis IL1403., Journal of Bacteriology, vol.174, issue.21, pp.6752-6762, 1992.
DOI : 10.1128/jb.174.21.6752-6762.1992

L. Bourgeois, P. , M. Mata, and P. Ritzenthaler, Pulsed-field gel electrophoresis as a tool for studying the phylogeny and genetic history of lactococcal strains, pp.140-145, 1991.

L. L. Cleary and . Mckay, Genetics and molecular biology of streptococci, lactococci, and enterococci

J. J. Lee, H. 0. Smith, and R. J. Redfield, Organization of the Haemophilus influenzae Rd genome., Journal of Bacteriology, vol.171, issue.6, pp.3016-3024, 1989.
DOI : 10.1128/jb.171.6.3016-3024.1989

R. M. Llanos, A. J. Hillier, and B. E. Davidson, Cloning, nucleotide sequence, expression, and chromosomal location of ldh, the gene encoding L-(+)-lactate dehydrogenase, from Lactococcus lactis., Journal of Bacteriology, vol.174, issue.21, pp.6956-6964, 1992.
DOI : 10.1128/jb.174.21.6956-6964.1992

A. Mercenier and Y. Lemoine, Genetics of Streptococcus thermophilus: A Review, Journal of Dairy Science, vol.72, issue.12, pp.3444-3454, 1989.
DOI : 10.3168/jds.S0022-0302(89)79506-0

A. Mercenier, C. Robert, D. A. Romero, P. Slos, and Y. Lemoine, Transfection of Streptococcus thermophilus spheroplasts, Streptococcal genetics, pp.234-237, 1987.

N. Okahashi, C. Sasakawa, N. Okada, M. Yamada, M. Yoshikawa et al., Construction of a NotI restriction map of the Streptococcus mutans genome, Journal of General Microbiology, vol.136, issue.11, 1990.
DOI : 10.1099/00221287-136-11-2217

M. Pnbay, C. Colmin, G. Guedon, C. De-gaspiri, B. Decaris et al., Detection of intraspecific DNA polymorphism in Streptococcus salivarius subsp. thermophilus by a homologous rDNA probe, Res. Microbiol, vol.143, pp.37-46, 1992.

P. J. Piggot, Genetic map of Bacillus subtilis 168, pp.107-145, 1990.

B. Poolman, T. J. Royer, S. E. Mainzer, and B. F. Schmidt, Lactose transport system of Streptococcus thermophilus: a hybrid protein with homology to the melibiose carrier and enzyme III of phosphoenolpyruvate-dependent phosphotransferase systems., Journal of Bacteriology, vol.171, issue.1, pp.244-253, 1989.
DOI : 10.1128/jb.171.1.244-253.1989

B. Poolman, T. J. Royer, S. E. Mainzer, and B. F. Schmidt, Carbohydrate utilization in Streptococcus thermophilus: characterization of the genes for aldose 1-epimerase (mutarotase) and UDPglucose 4-epimerase., Journal of Bacteriology, vol.172, issue.7, pp.4037-4047, 1990.
DOI : 10.1128/jb.172.7.4037-4047.1990

M. Prudhomme, V. Mejean, B. Martin, and J. Claverys, Mismatch repair genes of Streptococcus pneumoniae: HexA confers a mutator phenotype in Escherichia coli by negative complementation., Journal of Bacteriology, vol.173, issue.22, pp.7196-7203, 1991.
DOI : 10.1128/jb.173.22.7196-7203.1991

K. C. Reed and D. A. Mann, Rapid transfer of DNA from agarose gels to nylon membranes, Nucleic Acids Research, vol.13, issue.20, pp.7207-7221, 1985.
DOI : 10.1093/nar/13.20.7207

Y. Roussel, C. Colmin, J. M. Simonet, and B. Decaris, Strain characterization, genome size and plasmid content in the Lactobacillus acidophilus group (Hansen & Mocquot), J. Appl. Bacteriol, vol.74, pp.549-556, 1993.
URL : https://hal.archives-ouvertes.fr/hal-01659615

G. Salzano, G. Moschetti, F. Villani, and S. Coppola, Biotyping of Streptococcus thermophilus strains by DNA fingerprinting, Research in Microbiology, vol.144, issue.5, pp.381-387, 1993.
DOI : 10.1016/0923-2508(93)90195-8

J. Sambrook, E. F. Fritsch, and T. Maniatis, Molecular cloning: a laboratory manual, 1989.

K. H. Schleifer, M. Ehrmann, U. Krusch, and H. Neve, Revival of the Species Streptococcus thermophilus (ex Orla-Jensen, 1919) nom. rev., Systematic and Applied Microbiology, vol.14, issue.4, pp.386-388, 1991.
DOI : 10.1016/S0723-2020(11)80314-0

C. J. Schroeder, C. Robert, G. Lenzen, L. L. Mckay, and A. Mercenier, Analysis of the lacZ sequences from two Streptococcus thermophilus strains: comparison with the Escherichia coli and Lactobacillus bulgaricus ??-galactosidase sequences, Journal of General Microbiology, vol.137, issue.2, pp.369-380, 1991.
DOI : 10.1099/00221287-137-2-369

D. C. Schwartz and C. R. Cantor, Separation of yeast chromosome-sized DNAs by pulsed field gradient gel electrophoresis, Cell, vol.37, issue.1, pp.67-75, 1984.
DOI : 10.1016/0092-8674(84)90301-5

P. Slos, J. Bourquin, Y. Lemoine, and A. Mercenier, Isolation and characterization of chromosomal promoters of Streptococcus salivarius subsp. thermophilus, Appl. Environ. Microbiol, vol.57, pp.1333-1339, 1991.

C. L. Smith, S. R. Klco, and C. Cantor, Pulsed-field gel electrophoresis and the technology of large DNA molecules Genome analysis: a practical approach, pp.41-72, 1988.

E. I. Tanskanen, D. L. Tulloch, A. J. Hillier, and B. E. Davidson, Pulsed-field gel electrophoresis of SmaI digests of lactococcal genomic DNA, a novel method of strain identification, Appl. Environ. Microbiol, vol.56, pp.3105-3111, 1990.

B. E. Terzaghi and W. E. Sandine, Improved medium for lactic streptococci and their bacteriophages, Appl. Microbiol, vol.29, pp.807-813, 1975.

D. L. Tulloch, L. Finch, A. J. Hillier, and B. E. Davidson, Physical map of the chromosome of Lactococcus lactis subsp. lactis DL11 and localization of six putative rRNA operons., Journal of Bacteriology, vol.173, issue.9, pp.2768-2775, 1991.
DOI : 10.1128/jb.173.9.2768-2775.1991

B. S. Vold, Structure and organization of genes for transfer ribonucleic acid in Bacillus subtilis, Microbiol. Rev, vol.49, pp.71-80, 1985.

R. L. Widom, E. D. Jarvis, G. Lafauci, and R. Rudner, Instability of rRNA operons in Bacillus subtilis., Journal of Bacteriology, vol.170, issue.2, pp.605-610, 1988.
DOI : 10.1128/jb.170.2.605-610.1988

M. Yohda, H. Okada, and H. Kumagai, Molecular cloning and nucleotide sequencing of the aspartate racemase gene from lactic acid bacteria Streptococcus thermophilus, Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, vol.1089, issue.2, pp.234-240, 1991.
DOI : 10.1016/0167-4781(91)90013-C