Genetic differentiation of Culex pipiens (Diptera: Culicidae) in China. 2007

F Cui, and C-L Qiao, and B-C Shen, and M Marquine, and M Weill, and M Raymond
State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Graduate School, Chinese Academy of Sciences, Beijing 100080, China.

The population genetic structures of Culex pipiens Linnaeus were evaluated in China over a 2000 km transect that encompasses the two subspecies, C. p. pallens and C. p. quinquefasciatus. Four polymorphic allozyme loci were investigated in 1376 mosquitoes sampled from 20 populations across four provinces. These loci were not statistically dependent with no apparent heterozygote deficit or excess. On a regional scale (intra-province), a low (Fst=0.007-0.016) and significant genetic differentiation was found, with no clear geographical pattern. On a wider scale (inter-province), the genetic differentiation was higher (Fst=0.059), and an isolation by distance emerged. The results are compared with previous population genetic surveys of this mosquito species in different geographic areas over the world. The overall pattern suggests that Culex pipiens requires considerable distance (500-1000 km) to show isolation by distance, irrespective of the subspecies (C. p. pipiens, C. p. quinquefasciatus and C. p. pallens) or the geographic location.

UI MeSH Term Description Entries
D010733 Phosphoglucomutase An enzyme that catalyzes the conversion of alpha D-glucose 1-phosphate to alpha D-glucose 6-phosphate. EC 5.4.2.2. Glucose Phosphomutase,Phosphomutase, Glucose
D011110 Polymorphism, Genetic The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level. Gene Polymorphism,Genetic Polymorphism,Polymorphism (Genetics),Genetic Polymorphisms,Gene Polymorphisms,Polymorphism, Gene,Polymorphisms (Genetics),Polymorphisms, Gene,Polymorphisms, Genetic
D002681 China A country spanning from central Asia to the Pacific Ocean. Inner Mongolia,Manchuria,People's Republic of China,Sinkiang,Mainland China
D003465 Culex A genus of mosquitoes (CULICIDAE) commonly found in tropical regions. Species of this genus are vectors for ST. LOUIS ENCEPHALITIS as well as many other diseases of man and domestic and wild animals. Culices
D005843 Geography The science dealing with the earth and its life, especially the description of land, sea, and air and the distribution of plant and animal life, including humanity and human industries with reference to the mutual relations of these elements. (From Webster, 3d ed) Factor, Geographic,Factors, Geographic,Geographic Factor,Geographic Factors,Geography, Human,Human Geography
D005956 Glucose-6-Phosphate Isomerase An aldose-ketose isomerase that catalyzes the reversible interconversion of glucose 6-phosphate and fructose 6-phosphate. In prokaryotic and eukaryotic organisms it plays an essential role in glycolytic and gluconeogenic pathways. In mammalian systems the enzyme is found in the cytoplasm and as a secreted protein. This secreted form of glucose-6-phosphate isomerase has been referred to as autocrine motility factor or neuroleukin, and acts as a cytokine which binds to the AUTOCRINE MOTILITY FACTOR RECEPTOR. Deficiency of the enzyme in humans is an autosomal recessive trait, which results in CONGENITAL NONSPHEROCYTIC HEMOLYTIC ANEMIA. Glucosephosphate Isomerase,Phosphoglucose Isomerase,Phosphohexose Isomerase,Autocrine Motility Factor,Isomerase, Glucose 6 Phosphate,Neuroleukin,Tumor Autocrine Motility Factor,Tumor-Cell Autocrine Motility Factor,Factor, Autocrine Motility,Glucose 6 Phosphate Isomerase,Isomerase, Glucose-6-Phosphate,Isomerase, Glucosephosphate,Isomerase, Phosphoglucose,Isomerase, Phosphohexose,Motility Factor, Autocrine,Tumor Cell Autocrine Motility Factor
D006593 Hexokinase An enzyme that catalyzes the conversion of ATP and a D-hexose to ADP and a D-hexose 6-phosphate. D-Glucose, D-mannose, D-fructose, sorbitol, and D-glucosamine can act as acceptors; ITP and dATP can act as donors. The liver isoenzyme has sometimes been called glucokinase. (From Enzyme Nomenclature, 1992) EC 2.7.1.1. Hexokinase A,Hexokinase D,Hexokinase II
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D024442 Aspartate Aminotransferase, Mitochondrial An aspartate aminotransferase found in MITOCHONDRIA. Glutamate Oxaloacetate Transaminase-2,Aminotransferase, Mitochondrial Aspartate,Glutamate Oxaloacetate Transaminase 2,Mitochondrial Aspartate Aminotransferase,Oxaloacetate Transaminase-2, Glutamate,Transaminase-2, Glutamate Oxaloacetate

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