J. J. Wernegreen and . Endosymbiosis, Endosymbiosis, Current Biology, vol.22, issue.14, pp.555-561, 2012.
DOI : 10.1016/j.cub.2012.06.010

P. Buchner, Endosymbiosis of Animals with Plant Microorganisms 909 p, 1965.

A. Douglas, The microbial dimension in insect nutritional ecology, Functional Ecology, vol.395, issue.1, pp.38-47, 2009.
DOI : 10.1111/j.1365-2435.2008.01442.x

A. Gunduz, E. Douglas, and A. , Symbiotic bacteria enable insect to use a nutritionally inadequate diet, Proceedings of the Royal Society B: Biological Sciences, vol.26, issue.2, pp.987-991, 2009.
DOI : 10.1038/35024074

A. Heddi, Molecular and cellular profiles of insect bacteriocytes: mutualism and harm at the initial evolutionary step of symbiogenesis, Cellular Microbiology, vol.304, issue.2, pp.293-305, 2005.
DOI : 10.1111/j.1462-5822.2004.00461.x

URL : https://hal.archives-ouvertes.fr/hal-00391340

C. Ratzka, R. Gross, and H. Feldhaar, Endosymbiont Tolerance and Control within Insect Hosts, Insects, vol.3, issue.4, pp.553-572, 2012.
DOI : 10.3390/insects3020553

S. Shigenobu, H. Watanabe, M. Hattori, Y. Sakaki, and H. Ishikawa, Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp, Nature, vol.407, pp.81-86, 2000.

N. M. Gerardo and A. C. Wilson, The power of paired genomes, Molecular Ecology, vol.19, issue.10, pp.2038-2040, 2011.
DOI : 10.1111/j.1365-294X.2011.05103.x

A. C. Wilson, Genomic insight into the amino acid relations of the pea aphid, Acyrthosiphon pisum, with its symbiotic bacterium Buchnera aphidicola, Insect Molecular Biology, vol.68, pp.249-258, 2010.
DOI : 10.1111/j.1365-2583.2009.00942.x

URL : https://hal.archives-ouvertes.fr/hal-00539196

L. Brinza, Systemic analysis of the symbiotic function of Buchnera aphidicola, the primary endosymbiont of the pea aphid Acyrthosiphon pisum, Comptes Rendus Biologies, vol.332, issue.11, pp.1034-1049, 2009.
DOI : 10.1016/j.crvi.2009.09.007

URL : https://hal.archives-ouvertes.fr/hal-00445861

T. L. Wilkinson, T. Fukatsu, and H. Ishikawa, Transmission of symbiotic bacteria Buchnera to parthenogenetic embryos in the aphid Acyrthosiphon pisum (Hemiptera: Aphidoidea), Arthropod Structure & Development, vol.32, issue.2-3, pp.241-245, 2003.
DOI : 10.1016/S1467-8039(03)00036-7

R. Koga, X. Y. Meng, T. Tsuchida, and T. Fukatsu, Cellular mechanism for selective vertical transmission of an obligate insect symbiont at the bacteriocyte-embryo interface, Proc. Natl. Acad. Sci. USA, pp.1230-1237, 2012.
DOI : 10.1073/pnas.1119212109

T. Miura, A comparison of parthenogenetic and sexual embryogenesis of the pea aphid Acyrthosiphon pisum (Hemiptera: Aphidoidea), J. Exp. Zool. (Mol. Dev. Evol.), vol.295, pp.59-81, 2003.

C. Braendle, Developmental Origin and Evolution of Bacteriocytes in the Aphid???Buchnera Symbiosis, PLoS Biology, vol.119, issue.1, p.21, 2003.
DOI : 10.1371/journal.pbio.0000021.g005

R. Koga, T. Tsuchida, and T. Fukatsu, Changing partners in an obligate symbiosis: a facultative endosymbiont can compensate for loss of the essential endosymbiont Buchnera in an aphid, Proceedings of the Royal Society B: Biological Sciences, vol.270, issue.1533, pp.2543-2550, 2003.
DOI : 10.1098/rspb.2003.2537

M. Sakurai, R. Koga, T. Tsuchida, X. Y. Meng, and T. Fukatsu, Rickettsia Symbiont in the Pea Aphid Acyrthosiphon pisum: Novel Cellular Tropism, Effect on Host Fitness, and Interaction with the Essential Symbiont Buchnera, Applied and Environmental Microbiology, vol.71, issue.7, pp.4069-4075, 2005.
DOI : 10.1128/AEM.71.7.4069-4075.2005

S. Stoll, H. Feldhaar, M. J. Fraunholz, and R. Gross, Bacteriocyte dynamics during development of a holometabolous insect, the carpenter ant Camponotus floridanus, BMC Microbiology, vol.10, issue.1, p.308, 2010.
DOI : 10.1186/1471-2180-10-308

K. J. Vogel and N. A. Moran, Effect of Host Genotype on Symbiont Titer in the Aphid???Buchnera Symbiosis, Insects, vol.2, issue.4, pp.423-434, 2011.
DOI : 10.3390/insects2030423

F. C. Dossi, E. P. Da-silva, and F. L. Consoli, Population Dynamics and Growth Rates of Endosymbionts During Diaphorina citri (Hemiptera, Liviidae) Ontogeny, Microbial Ecology, vol.13, issue.8, pp.881-889, 2014.
DOI : 10.1007/s00248-014-0463-9

A. M. Laughton, M. H. Fan, and N. M. Gerardo, The Combined Effects of Bacterial Symbionts and Aging on Life History Traits in the Pea Aphid, Acyrthosiphon pisum, Applied and Environmental Microbiology, vol.80, issue.2, pp.470-477, 2014.
DOI : 10.1128/AEM.02657-13

W. N. Lu, M. C. Chiu, and M. H. Kuo, Host life stage- and temperature-dependent density of the symbiont Buchnera aphidicola in a subtropical pea aphid (Acyrthosiphon pisum) population, Journal of Asia-Pacific Entomology, vol.17, issue.3, pp.537-541, 2014.
DOI : 10.1016/j.aspen.2014.03.012

A. Vigneron, Insects Recycle Endosymbionts when the Benefit Is Over, Current Biology, vol.24, issue.19, pp.2267-2273, 2014.
DOI : 10.1016/j.cub.2014.07.065

URL : https://hal.archives-ouvertes.fr/hal-01449142

A. E. Douglas and A. F. Dixon, The mycetocyte symbiosis of aphids: Variation with age and morph in virginoparae of Megoura viciae and Acyrthosiphon pisum, Journal of Insect Physiology, vol.33, issue.2, pp.109-113, 1987.
DOI : 10.1016/0022-1910(87)90082-5

A. E. Douglas and T. L. Wilkinson, Host cell allometry and regulation of the symbiosis between pea aphids, Acyrthosiphon pisum, and bacteria, Buchnera, J. Insect Physiol, vol.44, pp.629-635, 1998.

A. Mira and N. A. Moran, Estimating Population Size and Transmission Bottlenecks in Maternally Transmitted Endosymbiotic Bacteria, Microbial Ecology, vol.44, issue.2, pp.137-143, 2002.
DOI : 10.1007/s00248-002-0012-9

J. Vives-rego, P. Lebaron, and G. Nebe-von-caron, DOI: 10.1038/srep19967 27 Current and future applications of flow cytometry in aquatic microbiology, Scientific RepoRts | FEMS Microbiol. Rev, vol.6, issue.24, pp.429-448, 2000.

B. P. Tracy, S. M. Gaida, and E. T. Papoutsakis, Flow cytometry for bacteria: enabling metabolic engineering, synthetic biology and the elucidation of complex phenotypes, Current Opinion in Biotechnology, vol.21, issue.1, pp.85-99, 2010.
DOI : 10.1016/j.copbio.2010.02.006

M. Bressan, A rapid flow cytometry method to assess bacterial abundance in agricultural soil, Applied Soil Ecology, vol.88, pp.60-68, 2015.
DOI : 10.1016/j.apsoil.2014.12.007

F. Hammes, Flow-cytometric total bacterial cell counts as a descriptive microbiological parameter for drinking water treatment processes, Water Research, vol.42, issue.1-2, pp.269-277, 2008.
DOI : 10.1016/j.watres.2007.07.009

N. Rattanasomboon, Growth and enumeration of the meat spoilage bacterium Brochothrix thermosphacta, International Journal of Food Microbiology, vol.51, issue.2-3, pp.145-158, 1999.
DOI : 10.1016/S0168-1605(99)00129-4

J. Maukonen, Suitability of the fluorescent techniques for the enumeration of probiotic bacteria in commercial non-dairy drinks and in pharmaceutical products, Food Research International, vol.39, issue.1, pp.22-32, 2006.
DOI : 10.1016/j.foodres.2005.05.006

M. Berney, F. Hammes, F. Bosshard, H. U. Weilenmann, and T. Egli, Assessment and Interpretation of Bacterial Viability by Using the LIVE/DEAD BacLight Kit in Combination with Flow Cytometry, Applied and Environmental Microbiology, vol.73, issue.10, pp.3283-3290, 2007.
DOI : 10.1128/AEM.02750-06

M. Kramer, N. Obermajer, B. Bogovic-matijasic, I. Rogelj, and V. Kmetec, Quantification of live and dead probiotic bacteria in lyophilised product by real-time PCR and by flow cytometry, Applied Microbiology and Biotechnology, vol.6, issue.1, pp.1137-1147, 2009.
DOI : 10.1007/s00253-009-2068-7

M. M. Khan, B. H. Pyle, and A. K. Camper, Specific and Rapid Enumeration of Viable but Nonculturable and Viable-Culturable Gram-Negative Bacteria by Using Flow Cytometry, Applied and Environmental Microbiology, vol.76, issue.15, pp.5088-5096, 2010.
DOI : 10.1128/AEM.02932-09

M. Bouix and S. Ghorbal, during malolactic fermentation by flow cytometry, Journal of Applied Microbiology, vol.243, issue.4, pp.1075-1081, 2013.
DOI : 10.1111/jam.12117

URL : https://hal.archives-ouvertes.fr/hal-01001088

G. W. Griffiths and S. D. Beck, Intracellular symbiotes of the pea aphid, Acyrthosiphon pisum, Journal of Insect Physiology, vol.19, issue.1, pp.75-84, 1973.
DOI : 10.1016/0022-1910(73)90223-0

M. A. Munson, Evidence for the establishment of aphid-eubacterium endosymbiosis in an ancestor of four aphid families., Journal of Bacteriology, vol.173, issue.20, pp.6321-6324, 1991.
DOI : 10.1128/jb.173.20.6321-6324.1991

K. Komaki and H. Ishikawa, Intracellular Bacterial Symbionts of Aphids Possess Many Genomic Copies per Bacterium, Journal of Molecular Evolution, vol.48, issue.6, pp.717-722, 1999.
DOI : 10.1007/PL00006516

K. Komaki and H. Ishikawa, Genomic copy number of intracellular bacterial symbionts of aphids varies in response to developmental stage and morph of their host, Insect Biochemistry and Molecular Biology, vol.30, issue.3, pp.253-258, 2000.
DOI : 10.1016/S0965-1748(99)00125-3

N. J. Humphreys and A. E. Douglas, Partitioning of symbiotic bacteria between generations of an insect: a quantitative study of a Buchnera sp. in the pea aphid (Acyrthosiphon pisum) reared at different temperatures, Appl. Environ. Microbiol, vol.63, pp.3294-3296, 1997.

L. Trionnaire, G. Hardie, J. Jaubert-possamai, S. Simon, J. Tagu et al., Shifting from clonal to sexual reproduction in aphids: physiological and developmental aspects, Biology of the Cell, vol.7, issue.8, pp.441-451, 2008.
DOI : 10.1042/BC20070135

D. G. Srinivasan, A. Abdelhady, and D. L. Stern, Gene Expression Analysis of Parthenogenetic Embryonic Development of the Pea Aphid, Acyrthosiphon pisum, Suggests That Aphid Parthenogenesis Evolved from Meiotic Oogenesis, PLoS ONE, vol.19, issue.12, p.115099, 2014.
DOI : 10.1371/journal.pone.0115099.g004

I. Liadouze, G. Febvay, J. Guillaud, and G. Bonnot, Effect of diet on the free amino acid pools of symbiotic and aposymbiotic pea aphids, Acyrthosiphon pisum, Journal of Insect Physiology, vol.41, issue.1, pp.33-40, 1995.
DOI : 10.1016/0022-1910(94)00085-U

I. Liadouze, G. Febvay, J. Guillaud, and G. Bonnot, Metabolic fate of energetic amino acids in the aposymbiotic pea aphid Acyrthosiphon pisum (Harris) (Homoptera: Aphididae), Symbiosis, vol.21, pp.115-127, 1996.

J. Bermingham, Impact of Host Developmental Age on the Transcriptome of the Symbiotic Bacterium Buchnera aphidicola in the Pea Aphid (Acyrthosiphon pisum), Applied and Environmental Microbiology, vol.75, issue.22, pp.7294-7297, 2009.
DOI : 10.1128/AEM.01472-09

URL : https://hal.archives-ouvertes.fr/hal-00445867

J. Viñuelas, Multimodal dynamic response of the Buchnera aphidicola pLeu plasmid to variations in leucine demand of its host, the pea aphid Acyrthosiphon pisum, Molecular Microbiology, vol.99, issue.5, pp.1271-1285, 2011.
DOI : 10.1111/j.1365-2958.2011.07760.x

A. Rabatel, Tyrosine pathway regulation is host-mediated in the pea aphid symbiosis during late embryonic and early larval development, BMC Genomics, vol.14, issue.1, p.235, 2013.
DOI : 10.1111/j.1432-1033.1996.00779.x

URL : https://hal.archives-ouvertes.fr/hal-00824527

F. Wolschin, B. Holldobler, R. Gross, and E. Zientz, Replication of the Endosymbiotic Bacterium Blochmannia floridanus Is Correlated with the Developmental and Reproductive Stages of Its Ant Host, Applied and Environmental Microbiology, vol.70, issue.7, pp.4096-4102, 2004.
DOI : 10.1128/AEM.70.7.4096-4102.2004

D. Voronin, D. A. Cook, A. Steven, and M. J. Taylor, Autophagy regulates Wolbachia populations across diverse symbiotic associations, Proc. Natl. Acad. Sci. USA, pp.1638-1646, 2012.
DOI : 10.1073/pnas.1203519109

K. Nishikori, K. Morioka, T. Kubo, and M. Morioka, Age- and morph-dependent activation of the lysosomal system and Buchnera degradation in aphid endosymbiosis, Journal of Insect Physiology, vol.55, issue.4, pp.351-357, 2009.
DOI : 10.1016/j.jinsphys.2009.01.001

J. Peccoud, Inheritance patterns of secondary symbionts during sexual reproduction of pea aphid biotypes, Insect Science, vol.65, issue.7, pp.291-300, 2014.
DOI : 10.1111/1744-7917.12083

URL : https://hal.archives-ouvertes.fr/hal-01208708

H. Charles and H. Ishikawa, Physical and Genetic Map of the Genome of Buchnera, the Primary Endosymbiont of the Pea Aphid Acyrthosiphon pisum, Journal of Molecular Evolution, vol.48, issue.2, pp.142-150, 1999.
DOI : 10.1007/PL00006452

F. Calevro, Assessment of 35mer amino-modified oligonucleotide based microarray with bacterial samples, Journal of Microbiological Methods, vol.57, issue.2, pp.207-218, 2004.
DOI : 10.1016/j.mimet.2004.01.009

URL : https://hal.archives-ouvertes.fr/hal-00402180

D. R. Price, Aphid amino acid transporter regulates glutamine supply to intracellular bacterial symbionts, Proc. Natl. Acad. Sci. USA 111, pp.320-325, 2014.
DOI : 10.1073/pnas.1306068111

P. Sapountzis, New insight into the RNA interference response against cathepsin-L gene in the pea aphid, Acyrthosiphon pisum: Molting or gut phenotypes specifically induced by injection or feeding treatments, Insect Biochemistry and Molecular Biology, vol.51, pp.20-32, 2014.
DOI : 10.1016/j.ibmb.2014.05.005

URL : https://hal.archives-ouvertes.fr/hal-01002574