{"id":21750,"date":"2025-11-11T14:30:43","date_gmt":"2025-11-11T11:30:43","guid":{"rendered":"https:\/\/www.pasteur.mg\/?p=21750"},"modified":"2025-11-11T14:32:00","modified_gmt":"2025-11-11T11:32:00","slug":"decouverte-sur-lorigine-du-moustique-urbain-piqueur-dhumains-une-contribution-de-linstitut-pasteur-de-madagascar","status":"publish","type":"post","link":"https:\/\/www.pasteur.mg\/en\/decouverte-sur-lorigine-du-moustique-urbain-piqueur-dhumains-une-contribution-de-linstitut-pasteur-de-madagascar\/","title":{"rendered":"D\u00e9couverte sur l\u2019origine du moustique urbain piqueur d\u2019humains : une contribution de l\u2019Institut Pasteur de Madagascar"},"content":{"rendered":"<p style=\"text-align: justify;\">Les chercheurs de l\u2019unit\u00e9 d\u2019Entomologie M\u00e9dicale de l\u2019Institut Pasteur de Madagascar ont contribu\u00e9 \u00e0 \u00e9lucider l\u2019origine du moustique urbain piqueur d\u2019humains \u00e0 Londres.<\/p>\n<p>Nos chercheurs font partie d\u2019un r\u00e9seau d\u2019institutions et de scientifiques internationaux PipPop ou \u00ab The <em><i>Culex <\/i><\/em><strong><em><b><i>pip<\/i><\/b><\/em><\/strong><em><i>iens<\/i><\/em>\u00a0<strong><b>PoP<\/b><\/strong>ulation Genomics Project\u00a0\u00bb qui collaborent pour mieux comprendre l\u2019\u00e9volution de cette esp\u00e8ce de moustiques, vecteur de maladies telles que la fi\u00e8vre du Nil occidental et la filariose lymphatique.<\/p>\n<p style=\"text-align: justify;\"><strong><b>Dans le cadre de cette collaboration, <\/b><\/strong>une nouvelle \u00e9tude dirig\u00e9e par des chercheurs de l\u2019universit\u00e9 de Princeton et r\u00e9cemment publi\u00e9e dans le journal <em><u><i>Science<\/i><\/u><\/em>\u00a0<strong><b>r\u00e9v\u00e8le les origines de <\/b><\/strong><em><i>Culex pipiens molestus<\/i><\/em><strong><b>, moustique urbain piqueur d&rsquo;humains, et apporte un \u00e9clairage sur la transmission du virus du Nil occidental.<\/b><\/strong><\/p>\n<p style=\"text-align: justify;\">En effet, pendant des d\u00e9cennies, les biologistes pensaient que ce moustique avait \u00e9volu\u00e9 \u00e0 partir du moustique piqueur d&rsquo;oiseaux, <em><i>Culex pipiens form pipiens<\/i><\/em>, dans les m\u00e9tros et les caves d&rsquo;Europe du Nord. Les r\u00e9sultats de l\u2019\u00e9tude viennent contredire cette hypoth\u00e8se.<\/p>\n<p style=\"text-align: justify;\">En analysant l\u2019ADN de milliers de moustiques collect\u00e9s \u00e0 travers le monde y compris \u00e0 Madagascar, les scientifiques ont d\u00e9couvert que le moustique urbain <em><i>Culex pipiens molestu<\/i><\/em>s serait en fait apparu il y a plus de 1 000 ans, probablement en \u00c9gypte ancienne.<\/p>\n<p style=\"text-align: justify;\">Cette d\u00e9couverte souligne l\u2019importance des collaborations internationales pour mieux comprendre l\u2019\u00e9volution des moustiques, vecteurs de maladies ainsi que la transmission de pathog\u00e8nes par ces vecteurs, comme ici le virus du Nil occidental, qui peut passer des oiseaux aux humains gr\u00e2ce \u00e0 ces moustiques hybrides.<\/p>\n<p style=\"text-align: justify;\">En r\u00e9sum\u00e9 : Les m\u00e9gapoles modernes seraient le th\u00e9\u00e2tre d\u2019une vieille histoire d\u2019\u00e9volution\u2026 et de piq\u00fbres.<\/p>\n<p style=\"text-align: justify;\">\u00c9tude publi\u00e9e le 23 octobre dans <em><u><i>Science<\/i><\/u><\/em><em><i>\u00a0<\/i><\/em>: \u00ab Ancient origin of an urban underground mosquito\u00a0\u00bb <a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.ady4515\"><u>https:\/\/www.science.org\/doi\/10.1126\/science.ady4515\u00a0<\/u><\/a><\/p>\n<p>Voir aussi sur<br \/>\n<a href=\"https:\/\/www.facebook.com\/share\/p\/1KFipZJj8W\/\">Facebook<\/a><br \/>\n<a href=\"https:\/\/www.linkedin.com\/posts\/institut-pasteur-de-madagascar_mosquitos-westnilevirus-culex-activity-7393963680406601729-8T3L?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAAD_3Q8wB_kyZb6jtttVVsLKA3axVXYhXkhs\">Linkedin<\/a><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"21751\" data-permalink=\"https:\/\/www.pasteur.mg\/en\/decouverte-sur-lorigine-du-moustique-urbain-piqueur-dhumains-une-contribution-de-linstitut-pasteur-de-madagascar\/photo_a_publier\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-scaled.jpg?fit=2880%2C1797&amp;ssl=1\" data-orig-size=\"2880,1797\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"photo_a_publier\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-scaled.jpg?fit=1024%2C639&amp;ssl=1\" class=\"wp-image-21751 size-full aligncenter\" src=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-scaled.jpg?resize=1080%2C674&#038;ssl=1\" alt=\"\" width=\"1080\" height=\"674\" srcset=\"https:\/\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-scaled.jpg 2880w, https:\/\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-1280x799.jpg 1280w, https:\/\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-980x611.jpg 980w, https:\/\/www.pasteur.mg\/wp-content\/uploads\/2025\/11\/photo_a_publier-480x300.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2880px, 100vw\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Les chercheurs de l\u2019unit\u00e9 d\u2019Entomologie M\u00e9dicale de l\u2019Institut Pasteur de Madagascar ont contribu\u00e9 \u00e0 \u00e9lucider l\u2019origine du moustique urbain piqueur d\u2019humains \u00e0 Londres. Nos chercheurs font partie d\u2019un r\u00e9seau d\u2019institutions et de scientifiques internationaux PipPop ou \u00ab The Culex pipiens\u00a0PoPulation Genomics Project\u00a0\u00bb qui collaborent pour mieux comprendre l\u2019\u00e9volution de cette esp\u00e8ce de moustiques, vecteur de [&hellip;]<\/p>","protected":false},"author":23,"featured_media":21751,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[7,630],"tags":[],"class_list":["post-21750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-arboviroses"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9couverte sur l\u2019origine du moustique urbain piqueur d\u2019humains : une contribution de l\u2019Institut Pasteur 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