Ecological drivers of genetic connectivity for African malaria vectors Anopheles gambiae and An. arabiensis

被引：15

作者：

Hemming-Schroeder, Elizabeth ^{[1
,2
,7
]}

Zhong, Daibin ^{[1
,2
]}

Machani, Maxwell ^{[3
]}

Hoan Nguyen ^{[1
,2
]}

Thong, Sarah ^{[1
,2
]}

Kahindi, Samuel ^{[4
]}

Mbogo, Charles ^{[3
]}

Atieli, Harrysone ^{[3
,5
]}

Githeko, Andrew ^{[3
]}

Lehmann, Tovi ^{[6
]}

Kazura, James W. ^{[7
]}

Yan, Guiyun ^{[1
,2
]}

机构：

[1] Univ Calif Irvine, Dept Ecol & Evolutionary Biol, Irvine, CA 92617 USA

[2] Univ Calif Irvine, Program Publ Hlth, Irvine, CA 92617 USA

[3] Kenya Govt Med Res Ctr, Ctr Global Hlth Res, Kisumu, Kenya

[4] Pwani Univ, Sch Pure & Appl Sci, Kilifi, Kenya

[5] Maseno Univ, Sch Publ Hlth & Community Dev, Kisumu, Kenya

[6] NIH, Lab Malaria & Vector Res, Bldg 10, Bethesda, MD 20892 USA

[7] Case Western Reserve Univ, Ctr Global Hlth & Dis, Cleveland, OH 44106 USA

来源：

SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期

基金：

美国国家卫生研究院;

关键词：

LANDSCAPE GENETICS; POPULATION-STRUCTURE; SPATIAL-DISTRIBUTION; BITING BEHAVIOR; WESTERN KENYA; DIFFERENTIATION; MICROSATELLITE; EAST; IMPLEMENTATION; RESISTANCE;

D O I：

10.1038/s41598-020-76248-2

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Anopheles gambiae and An. arabiensis are major malaria vectors in sub-Saharan Africa. Knowledge of how geographical factors drive the dispersal and gene flow of malaria vectors can help in combatting insecticide resistance spread and planning new vector control interventions. Here, we used a landscape genetics approach to investigate population relatedness and genetic connectivity of An. gambiae and An. arabiensis across Kenya and determined the changes in mosquito population genetic diversity after 20 years of intensive malaria control efforts. We found a significant reduction in genetic diversity in An. gambiae, but not in An. arabiensis as compared to prior to the 20-year period in western Kenya. Significant population structure among populations was found for both species. The most important ecological driver for dispersal and gene flow of An. gambiae and An. arabiensis was tree cover and cropland, respectively. These findings highlight that human induced environmental modifications may enhance genetic connectivity of malaria vectors.

引用

页数：12

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