@article{fdi:010079545, title = {{M}olecular identification of head lice collected in {F}ranceville ({G}abon) and their associated bacteria}, author = {{B}oumbanda-{K}oyo, {C}. {S}. and {M}ediannikov, {O}leg and {A}manzougaghene, {N}. and {O}yegue-{L}iabagui, {S}. {L}. and {I}mboumi-{L}imoukou, {R}. {K}. and {R}aoult, {D}. and {L}ekana-{D}ouki, {J}. {B}. and {F}enollar, {F}.}, editor = {}, language = {{ENG}}, abstract = {{B}ackground: {P}ediculus humanus, which includes two ecotypes (body and head lice), is an obligate bloodsucking parasite that co-evolved with their human hosts over thousands of years, thus providing a valuable source of information to reconstruct the human migration. {P}ediculosis due to head lice occurred each year throughout the world and several pathogenic bacteria, which are usually associated with body lice, are increasingly detected in them. {I}n {G}abon, where this pediculosis is still widespread, there is a lack of data on genetic diversity of head lice and their associated bacteria. {M}ethods: {T}his study aimed to investigate the phylogeny of head lice collected in {G}abon and their associated bacteria, using molecular tools. {B}etween 26 {M}arch and 11 {A}pril 2018, 691 head lice were collected from 86 women in {F}ranceville. {W}e studied the genetic diversity of these lice based on the cytochromebgene, then we screened them for {DNA} of {B}artonella quintana, {B}orreliaspp., {A}cinetobacterspp.,{Y}ersinia pestis, {R}ickettsiaspp., {R}. prowazekii, {A}naplasmaspp. and {C}. burnetii, using real time or standard {PCR} and sequencing. {R}esults: {O}verall 74.6% of studied lice belonged to {C}lade {A}, 25.3% to {C}lade {C} and 0.1% to {C}lade {E}. {T}he phylogenetic analysis of 344 head lice yielded 45 variable positions defining 13 different haplotypes from which 8 were novel. {B}acterial screening revealed the presence of {B}orreliaspp. {DNA} in 3 (0.4%) of 691 head lice belonging to {C}lade {A} and infesting one individual. {T}his {B}orreliais close to {B}. theileri({G}en{B}ank: {MN}621894).{A}cinetobacterspp. {DNA} has been detected in 39 (25%) of the 156 screened lice; of these 13 (8.3%) corresponded to{A}. baumannii. {A}cinetobacter nosocomialis(n = 2) and{A}. pittii(n = 1) were also recorded. {C}onclusions: {T}o of our knowledge, this study is the first to investigate the genetic diversity of head lice from {G}abon. {I}t appears that {C}lade {C} is the second most important clade in {G}abon, after {C}lade {A} which is known to have a global distribution. {T}he detection of{B}orreliaspp. {DNA} in these lice highlight the potential circulation of these bacteria in {G}abon.}, keywords = {{H}ead lice ; {P}ediculus humanus ; {A}cinetobacter spp ; {B}orrelia spp ; {G}abon ; {GABON} ; {FRANCEVILLE}}, booktitle = {}, journal = {{P}arasites and {V}ectors}, volume = {13}, numero = {1}, pages = {410 [8 p.]}, ISSN = {1756-3305}, year = {2020}, DOI = {10.1186/s13071-020-04293-x}, URL = {https://www.documentation.ird.fr/hor/fdi:010079545}, }