@article{fdi:010065448, title = {{D}ifferential expression of the chemosensory transcriptome in two populations of the stemborer {S}esamia nonagrioides}, author = {{G}laser, {N}. and {G}allot, {A}. and {L}egeai, {F}. and {H}arry, {M}. and {K}aiser, {L}. and {L}e {R}ΓΌ, {B}runo and {C}alatayud, {P}aul-{A}ndr{\'e} and {J}acquin-{J}oly, {E}.}, editor = {}, language = {{ENG}}, abstract = {{A}mong the proposed mechanisms of local adaptation to different ecological environments, transcriptional changes may play an important role. {I}n this study, we investigated whether such variability occurred within the chemosensory organs of a herbivorous insect, for which chemosensation guides most of its host preferences. {A} {E}uropean and an {A}frican population of the noctuid {S}esamia nonagrioides that display significant differences in their ecological preferences were collected on {Z}ea mays and {T}ypha domingensis, respectively. {RNA}seq were used between the two populations for digital expression profiling of chemosensory organs from larval antennae and palps. {P}reliminary data on adult female antennae and ovipositors were also collected. {W}e found 6,550 differentially expressed transcripts in larval antennae and palps. {G}ene ontology enrichment analyses suggested that transcriptional activity was overrepresented in the {F}rench population and that virus and defense activities were overrepresented in the {K}enyan population. {I}n addition, we found differential expression of a variety of cytochrome {P}450s, which may be linked to the different host-plant diets. {L}ooking at olfactory genes, we observed differential expression of numerous candidate odorant-binding proteins, chemosensory proteins, and one olfactory receptor, suggesting that differences in olfactory sensitivity participate in insect adaptation.}, keywords = {{C}hemosensory genes ; {A}daptation ; {RNA}seq ; {S}esamia nonagrioides ; {KENYA} ; {FRANCE}}, booktitle = {}, journal = {{I}nsect {B}iochemistry and {M}olecular {B}iology}, volume = {65}, numero = {}, pages = {28--34}, ISSN = {0965-1748}, year = {2015}, DOI = {10.1016/j.ibmb.2015.07.008}, URL = {https://www.documentation.ird.fr/hor/fdi:010065448}, }