@article{fdi:010080889,
  title = {{V}ariability of the atmospheric {PM}10 microbiome in three climatic regions of {F}rance},
  author = {{S}amake, {A}. and {M}artins, {J}. {M}. {F}. and {B}onin, {A}. and {U}zu, {G}a{\¨e}lle and {T}aberlet, {P}. and {C}onil, {S}. and {F}avez, {O}. and {T}homasson, {A}. and {C}hazeau, {B}. and {M}archand, {N}. and {J}affrezo, {J}. {L}.},
  editor = {},
  language = {{ENG}},
  abstract = {{P}rimary {B}iogenic {O}rganic {A}erosols ({PBOA}) were recently shown to be produced by only a few types of microorganisms, emitted by the surrounding vegetation in the case of a regionally homogeneous field site. {T}his study presents the first comprehensive description of the structure and main sources of airborne microbial communities associated with temporal trends in {S}ugar {C}ompounds ({SC}) concentrations of {PM}10 in 3 sites under a climatic gradient in {F}rance. {B}y combining sugar chemistry and {DNA} {M}etabarcoding approaches, we intended to identify {PM}10-associated microbial communities and their main sources at three sampling-sites in {F}rance, under different climates, during the summer of 2018. {T}his study accounted also for the interannual variability in summer airborne microbial community structure (bacteria and fungi only) associated with {PM}10-{SC} concentrations during a 2 consecutive years' survey at one site. {O}ur results showed that temporal changes in {PM}10-{SC} in the three sites are associated with the abundance of only a few specific taxa of airborne fungi and bacterial. {T}hese taxa differ significantly between the 3 climatic regions studied. {T}he microbial communities structure associated with {SC} concentrations of {PM}10 during a consecutive 2-year study remained stable in the rural area. {A}tmospheric concentration levels of {PM}10-{SC} species varied significantly between the 3 study sites, but with no clear difference according to site typology (rural vs. urban), suggesting that {SC} emissions are related to regional rather than local climatic characteristics. {T}he overall microbial beta diversity in {PM}10 samples is significantly different from that of the main vegetation around the urban sites studied. {T}his indicates that the airborne microorganisms at these urban sites are not solely from the immediate surrounding vegetation, which contrasts with observations at the scale of a regionally homogeneous rural site in 2017. {T}hese results improve our understanding of the spatial behavior of tracers of {PBOA} emission sources, which need to be better characterized to further implement this important mass fraction of {O}rganic {M}atter ({OM}) in {C}hemical {T}ransport models ({CTM}).},
  keywords = {airborne microorganisms ; bioaerosol ; regional sources ; bacteria ; fungi ; sugar compounds ; {DNA} metabarcoding ; climatic gradient ; {FRANCE} ; {ALPES} ; {ZONE} {MEDITERRANEENNE}},
  booktitle = {},
  journal = {{F}rontiers in {M}icrobiology},
  volume = {11},
  numero = {},
  pages = {576750 [10 ]},
  ISSN = {1664-302{X}},
  year = {2021},
  DOI = {10.3389/fmicb.2020.576750},
  URL = {https://www.documentation.ird.fr/hor/fdi:010080889},
}