@article{fdi:010069964, title = {{D}ental pulp as a source of low-contaminated {DNA}}, author = {{D}rancourt, {M}. and {A}boudharam, {G}. and {C}roce, {O}. and {A}rmougom, {F}abrice and {R}obert, {C}. and {R}aoult, {D}.}, editor = {}, language = {{ENG}}, abstract = {{T}he in-laboratory contamination of the ancient samples hinders the result interpretation of the investigations in the field of paleomicrobiology. {W}e had promoted the dental pulp as a sample that limits the risks of in-laboratory contamination of the ancient material. {I}n this work, we measured the contamination of the dental pulp manipulated according to paleomicrobiology protocol, used as a source of a total {DNA} for metagenomics. {F}irst, total {DNA} extracted from two dog canines was sequenced using next generation sequencing. {T}his yielded a total of 487,828 trimmed reads with a length of 227 +/- 35 bp. {S}equence analysis of the final dataset using {B}last algorithm search and stringent thresholds for sequence identity and coverage against a database including both {C}anis lupus familiaris and {H}omo sapiens complete genomes showed that 95% of reads were assigned to {C} familiaris whereas 0.03% was assigned to {H}. sapiens. {I}n a second step, two teeth collected from two 12th century mammals were manipulated following the same protocol. {A} total of 13,890 trimmed reads with a 157 +/- 67 bp length yielded 0-0.35% reads assigned to {H}. sapiens. {T}his study indicates that the dental pulp is a useful for detecting the significant nucleic sequences in both modern and ancient samples.}, keywords = {{D}ental pulp ; {C}ontamination ; {M}etagenomics ; {F}orensic sciences ; {P}aleomicrobiology ; {P}aleogenetics}, booktitle = {}, journal = {{M}icrobial {P}athogenesis}, volume = {105}, numero = {}, pages = {63--67}, ISSN = {0882-4010}, year = {2017}, DOI = {10.1016/j.micpath.2017.02.007}, URL = {https://www.documentation.ird.fr/hor/fdi:010069964}, }