冈比亚按蚊复合体A种和B种对滴滴涕和狄氏剂抗性的连锁研究。
Linkage studies on DDT and dieldrin resistance in species A and species B of the Anopheles gambiae complex.
作者信息
Haridi A M
出版信息
Bull World Health Organ. 1974;50(5):441-8.
Linkage studies in A. gambiae species A showed that the two autosomal markers diamond (Di) and collarless (c) belonged to different linkage groups: Di on linkage group 2 and c on linkage group 3. With the aid of the two markers it was possible to establish the linkage relationship between the genes for DDT resistance and for the two types of dieldrin resistance. The DDT resistance gene in species A assorted independently of c and was found to be linked with Di at a map distance of 26.3 units. The genes for the two types of dieldrin resistance, dominant and incompletely dominant, were found to be allelic. The major gene for dieldrin resistance was shown to be linked with the gene for DDT resistance in linkage group 2 at a map distance of 35.3 units. This suggested that Di and the dieldrin resistance gene were some 61.6 units apart.
冈比亚按蚊A种的连锁研究表明，两个常染色体标记菱形眼（Di）和无领（c）属于不同的连锁群：Di在连锁群2上，c在连锁群3上。借助这两个标记，可以确定滴滴涕抗性基因与两种狄氏剂抗性基因之间的连锁关系。A种中的滴滴涕抗性基因与c独立分配，发现它与Di连锁，图距为26.3个单位。两种狄氏剂抗性基因，即显性和不完全显性基因，被发现是等位基因。狄氏剂抗性的主要基因被证明与连锁群2中的滴滴涕抗性基因连锁，图距为35.3个单位。这表明Di与狄氏剂抗性基因相距约61.6个单位。
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