@article{fdi:010075956, title = {{G}enetic structure and chemical diversity in natural populations of {U}ncaria guianensis ({A}ubl.) {JFG}mel. ({R}ubiaceae)}, author = {{H}onorio, {I}.{C}.{G}. and {C}oppede, {J}.{S}. and {D}elprete, {P}iero and {C}osta, {F}.{H}.{S}. and {T}elles, {M}.{P}.{C}. and {D}iniz-{F}ilho, {J}.{A}. and {C}orrea, {V}.{S}.{C}. and {F}ran{\c{c}}a, {S}.{C}. and {P}ereira, {A}.{M}.{S}. and {B}ertoni, {B}.{W}.}, editor = {}, language = {{ENG}}, abstract = {{U}ncaria guianensis is native to the {A}mazon and is used traditionally as an anti-inflammatory. {N}atural populations of the species have declined markedly in recent times because of strong anthropic pressure brought about by deforestation and indiscriminate collection. {T}he aim of the present study was to assess the genetic and chemical diversity among eight natural populations of {U}. guianensis located in the {B}razilian states of {A}cre, {A}mapa and {A}mazonas. {A} set of four primer combinations was employed in sequence-related amplified polymorphism ({SRAP}) amplifications of leaf {DNA}, and the fragments were analyzed in an {LI}-{COR} model 4300 {DNA} {A}nalyzer. {G}enetic variability within the populations (81%) was substantially greater than that detected between them (19%). {T}he highest percentage of polymorphic loci (90.21%) and the largest genetic variability were observed in the population located in {M}azagao, {A}mapa. {G}enetic differentiation between populations was high ({F}-st = 0.188) and the studied populations formed three distinct genetic groups ({K} = 3). {T}he population located in {A}ssis {B}rasil, {A}cre, presented the highest average content of the mitraphylline (0.60 mg/g dry weight,). {H}owever, mitraphylline and isomitraphylline not detected in most individuals in the studied populations, and it is questionable whether they should be considered as chemical markers of the species. {T}he genetic data confirm the urgent need for conservation programs for {U}. guianensis, and for further studies aimed at ascertaining the genetic basis and heritability of alkaloid accumulation.}, keywords = {{AMAZONIE}}, booktitle = {}, journal = {{PL}o{S} {O}ne}, volume = {13}, numero = {10}, pages = {art. no e0205667 [13 ]}, ISSN = {1932-6203}, year = {2018}, DOI = {10.1371/journal.pone.0205667}, URL = {https://www.documentation.ird.fr/hor/fdi:010075956}, }