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The silkworm Bombyx mori uses a WZ sex determination system that is analogous to the one found in birds and some reptiles. In this system, males have two Z sex chromosomes, whereas females have Z and W sex chromosomes. The silkworm W chromosome has a dominant role in female determination, suggesting the existence of a dominant feminizing gene in this(More)
The authors have proposed a fast spoken term detection that uses a suffix array as a data structure. This method enables very quick and memory saving search by using such techniques as keyword division, dynamic time warping, and employment of articulatory-feature-based local distance definition. In this paper, we investigate a new approach that utilizes a(More)
Although some viruses have been shown to encode long non-coding RNAs (lncRNAs), how they function during their infection cycles remains elusive. We previously found an unexpectedly large number of novel transcripts, including putative lncRNAs, which were expressed from the genome of the baculovirus Bombyx mori nucleopolyhedrovirus (BmNPV). To investigate(More)
The baculovirus ie2 gene is one of the immediate early genes, and its product is known to transactivate viral promoters. However, the roles of Bombyx mori nucleopolyhedrovirus (BmNPV) ie2 in insect larvae are poorly understood. Here we investigated the functions of BmNPV IE2 in cultured cells and in insect larvae using two mutant viruses, BmIE2D and(More)
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