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Structural divergence of chromosomes between malaria vectors Anopheles lesteri and Anopheles sinensis
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نویسنده
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liang j. ,cheng b. ,zhu g. ,wei y. ,tang j. ,cao j. ,ma y. ,sharakhova m.v. ,xia a. ,sharakhov i.v.
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منبع
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parasites and vectors - 2016 - دوره : 9 - شماره : 1 - صفحه:1 -10
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چکیده
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Background: anopheles lesteri and anopheles sinensis are two major malaria vectors in china and southeast asia. they are dramatically different in terms of geographical distribution,host preference,resting habitats,and other traits associated with ecological adaptation and malaria transmission. both species belong to the anopheles hyrcanus group,but the extent of genetic differences between them is not well understood. to provide an effective way to differentiate between species and to find useful markers for population genetics studies,we performed a comparative cytogenetic analysis of these two malaria vectors. results: presented here is a standard cytogenetic map for an. lesteri,and a comparative analysis of chromosome structure and gene order between an. lesteri and an. sinensis. our results demonstrate that much of the gene order on chromosomes x and 2 was reshuffled between the two species. however,the banding pattern and the gene order on chromosome 3 appeared to be conserved. we also found two new polymorphic inversions,2lc and 3rb,in an. lesteri,and we mapped the breakpoints of these two inversions on polytene chromosomes. conclusions: our results demonstrate the extent of structural divergence of chromosomes between an. lesteri and an. sinensis,and provide a new taxonomic cytogenetic tool to distinguish between these two species. polymorphic inversions of an. lesteri could serve as markers for studies of the population structure and ecological adaptations of this major malaria vector. © 2016 the author(s).
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کلیدواژه
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Anopheles lesteri; Anopheles sinensis; Arm homology; Chromosomal inversions; Cytogenetic map; Gene order; Polytene chromosomes
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آدرس
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department of entomology,nanjing agricultural university,nanjing, China, department of entomology,nanjing agricultural university,nanjing, China, key laboratory of national health and family planning commission on parasitic disease control and prevention,jiangsu provincial key laboratory on parasite and vector control technology,jiangsu institute of parasitic diseases,wuxi,jiangsu province, China, department of entomology,nanjing agricultural university,nanjing, China, key laboratory of national health and family planning commission on parasitic disease control and prevention,jiangsu provincial key laboratory on parasite and vector control technology,jiangsu institute of parasitic diseases,wuxi,jiangsu province, China, key laboratory of national health and family planning commission on parasitic disease control and prevention,jiangsu provincial key laboratory on parasite and vector control technology,jiangsu institute of parasitic diseases,wuxi,jiangsu province, China, department of tropical infectious diseases,faculty of tropical medicine and public health,second military medical university,shanghai,200433, China, department of entomology,fralin life science institute,virginia tech,blacksburg,va,united states,laboratory for ecology,genetics and environmental protection,tomsk state university,tomsk, Russian Federation, department of entomology,nanjing agricultural university,nanjing, China, department of entomology,fralin life science institute,virginia tech,blacksburg,va,united states,laboratory for ecology,genetics and environmental protection,tomsk state university,tomsk, Russian Federation
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Authors
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