@article{fdi:010071282, title = {{M}olecular basis of {A}frican yam domestication : analyses of selection point to root development, starch biosynthesis, and photosynthesis related genes}, author = {{A}kakpo, {R}. and {S}carcelli, {N}ora and {C}hair, {H}. and {D}ansi, {A}. and {D}jedatin, {G}. and {T}huillet, {A}nne-{C}{\'e}line and {R}hon{\'e}, {B}{\'e}n{\'e}dicte and {F}rancois, {O}. and {A}lix, {K}. and {V}igouroux, {Y}ves}, editor = {}, language = {{ENG}}, abstract = {{B}ackground: {A}fter cereals, root and tuber crops are the main source of starch in the human diet. {S}tarch biosynthesis was certainly a significant target for selection during the domestication of these crops. {B}ut domestication of these root and tubers crops is also associated with gigantism of storage organs and changes of habitat. {R}esults: {W}e studied here, the molecular basis of domestication in {A}frican yam, {D}ioscorea rotundata. {T}he genomic diversity in the cultivated species is roughly 30% less important than its wild relatives. {T}wo percent of all the genes studied showed evidences of selection. {T}wo genes associated with the earliest stages of starch biosynthesis and storage, the sucrose synthase 4 and the sucrose-phosphate synthase 1 showed evidence of selection. {A}n adventitious root development gene, a {SCARECROW}-{LIKE} gene was also selected during yam domestication. {S}ignificant selection for genes associated with photosynthesis and phototropism were associated with wild to cultivated change of habitat. {I}f the wild species grow as vines in the shade of their tree tutors, cultivated yam grows in full light in open fields. {C}onclusions: {M}ajor rewiring of aerial development and adaptation for efficient photosynthesis in full light characterized yam domestication.}, keywords = {{D}omestication ; {D}ioscorea spp. ; {A}daptation ; {P}opulation genomics selection ; {R}oot development ; {S}tarch biosynthesis ; {P}lant development ; {AFRIQUE} ; {BENIN}}, booktitle = {}, journal = {{BMC} {G}enomics}, volume = {18}, numero = {}, pages = {art. 782 [9 p.]}, ISSN = {1471-2164}, year = {2017}, DOI = {10.1186/s12864-017-4143-2}, URL = {https://www.documentation.ird.fr/hor/fdi:010071282}, }