K. Goka et A. Takafuji, GENETIC-BASIS OF ESTERASE, MALATE-DEHYDROGENASE AND PHOSPHOGLUCOISOMERASE ALLOZYMES IN THE 2-SPOTTED SPIDER-MITE, TETRANYCHUS-URTICAE KOCH, Applied Entomology and Zoology, 30(4), 1995, pp. 529-535
The genetic basis of esterase, phosphoglucoisomerase (PGI), and malate
dehydrogenase (MDH) isozymes in the two-spotted spider mile, Tetranyc
hus urticae KOCH, were studied by polyacrylamide gel electrophoresis.
Based on their banding patterns, four loci were detected: Est-4, Est-5
, MDH, and PGI. Cross Experiments indicated that each of these loci wa
s under the control of two codominant alleles, i.e. allozymes. Further
, the results of the analysis indicated that the Est-4 and Est-5 alloz
ymes were monomeric enzymes, and the MDH and PGI were dimeric enzymes.
These four loci will be useful gene markers for studying the genetica
l divergence of T. urticae.