@article{fdi:010097020, title = {{R}etracing the centre of origin and evolutionary history of nutmeg {M}yristica fragrans, an emblematic spice tree species}, author = {{K}usuma, {J}. and {C}ouderc, {M}arie and {G}{\'e}rard, {P}. {R}. and de {N}avascu{\'e}s, {M}. and {S}carcelli, {N}ora and {D}uminil, {J}{\'e}r{\^o}me}, editor = {}, language = {{ENG}}, abstract = {{I}dentifying the centres of origin of cultivated plants is important for conservation and sustainable management, since this is where these species tend to be most genetically diverse. {T}his research seeks to determine the centre of origin and evolutionary history of nutmeg ({M}yristica fragrans; {M}yristicaceae), an emblematic spice tree species traditionally believed to originate from the {B}anda {I}slands, {S}outh {M}oluccas, {I}ndonesia. {W}e explored nutmeg's genetic diversity and structure across the {M}oluccas archipelago using nuclear microsatellite markers and whole plastid genome sequences. {T}wo primary intra-specific genetic clusters were found: one in the {N}orth {M}oluccas ({T}ernate, {T}idore and {B}acan islands) with higher genetic diversity and another in the {S}outh {M}oluccas ({B}anda and {A}mbon islands), which exhibited signs of a recent bottleneck. {A}lthough the {N}orth {M}oluccas showed higher genetic diversity, approximate {B}ayesian computation analyses supported {S}outh {M}oluccas as the centre of origin of {M}. fragrans. {T}he species migrated from {S}outh to {N}orth {M}oluccas during the late {P}leistocene to early {H}olocene period and experienced a recent bottleneck in the {S}outh. {T}hese findings suggest a naturally driven distribution influenced by migration and past climate changes. {H}uman activities have further shaped these patterns, offering insights for developing targeted conservation strategies for nutmeg based on its genetic diversity.}, keywords = {food tree species ; nutmeg ; phylogeography ; propagation history ; spice ; trade ; {INDONESIE} ; {MALUKU}}, booktitle = {}, journal = {{P}roceedings of the {R}oyal {S}ociety {B} : {B}iological {S}ciences}, volume = {293}, numero = {2069}, pages = {20251734 [12 p.]}, ISSN = {0962-8452}, year = {2026}, DOI = {10.1098/rspb.2025.1734}, URL = {https://www.documentation.ird.fr/hor/fdi:010097020}, }