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YÛSUKE MINOSHIMA MASAKAZU HAYASHI NORIO KOBAYASHI HIROYUKI YOSHITOMI 《Systematic Entomology》2013,38(4):708-722
The subfamily Horelophopsinae was originally proposed as one of the earliest diverging clades of Hydrophilidae (s.s.), but its phylogenetic placement has never been tested. We describe the larva of Horelophopsis hanseni Satô et Yoshitomi, 2004 of the Horelophopsinae. Larval data are based on larval specimens collected together with adults, and unambiguously associated with them by means of DNA barcoding. We perform an analysis testing the phylogenetic position of H. hanseni based on larval and adult morphological characters. Horelophopsis hanseni is unambiguously placed within the hydrophilid subfamily Hydrophilinae and its close relationships to the genus Agraphydrus Régimbart, 1903 (Hydrophilinae, Acidocerini) is recognized. The results suggest that the subfamily Horelophopsinae is unlikely to be a basal taxon of Hydrophilidae, as originally suggested. 相似文献
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SUSUMU Y. TAKAHASHI SATOSHI HIGASHI SHINSEI MINOSHIMA MANABU OGISO KAZUNORI HANAOKA 《Invertebrate reproduction & development.》2013,57(6):373-381
Trehalase activities were found in several tissues of the adult American cockroach, Periplaneta americana. Among these, male accessory glands, fat body, thoracic muscle, hepatic cecum, blood and mid-gut contained high trehalase activity; activity in the male accessory gland was especially high. The enzymic properties of soluble trehalases were investigated and the enzymes from the male accessory gland were highly purified. The properties of these enzymes were electrophoretically and kinetically distinct from each other. The presence of enzymes with somewhat different properties in different tissues suggests that trehalose utilization and trehalase activity may be regulated by way of a tissue-specific mechanism. The detailed properties of these enzymes are presented with a discussion of their regulation. 相似文献
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