@article{fdi:010028379, title = {{E}vidence for genetic differentiation between the molecular forms {M} and {S} within the {F}orest chromosomal form of {A}nopheles gambiae in an area of sympatry}, author = {{W}ondji, {C}. and {S}imard, {F}r{\'e}d{\'e}ric and {F}ontenille, {D}idier}, editor = {}, language = {{ENG}}, abstract = {{W}e studied genetic variation at ten microsatellite {DNA} loci in {A}nopheles gambiae populations from the {F}orest chromosomal form collected in four villages in {C}ameroon ({C}entral {A}frica). {B}oth recently described {M} and {S} molecular forms occur in sympatry in this area. {G}eographic differentiation within form was low ({F}st < 0.017) despite geographical distance between collection sites ranging from 35 to 350 km. {H}owever, higher ({F}st > 0.035) and statistically significant levels of genetic differentiation were observed between forms, being the highest between sympatric {M} and {S} populations collected within the same village. {R}esults were consistent across all loci spread throughout the genome, therefore reflecting a genome wide pattern. {C}onsidering previous findings of strong assortative mating within forms and general lack of hybrids in areas of sympatry, we propose that there is now sufficient direct and indirect evidence to consider both {M} and {S} molecular forms of {A}n. gambiae as distinct species that have probably speciated recently.}, keywords = {{PALUDISME} ; {VECTEUR} ; {MOUSTIQUE} ; {SPECIATION} ; {ANALYSE} {GENETIQUE} ; {DIVERSITE} {GENETIQUE} ; {HETEROZYGOTE} ; {REPARTITION} {GEOGRAPHIQUE} ; {MICROSATELLITE} ; {CAMEROUN} ; {NKOTENG} ; {DSCHANG} ; {MBALMAYO} ; {SIMBOCK}}, booktitle = {}, journal = {{I}nsect {M}olecular {B}iology}, volume = {11}, numero = {1}, pages = {11--19}, ISSN = {0962-1075}, year = {2002}, DOI = {10.1046/j.0962-1075.2001.00306.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010028379}, }