Short germ insects utilize both the ancestral and derived mode of Polycomb group-mediated epigenetic silencing of Hox genes

In insect species that undergo long germ segmentation, such as Drosophila, all segments are specified simultaneously at the early blastoderm stage.As embryogenesis progresses, the expression boundaries of Hox genes are established by repression of gap genes, which is subsequently replaced by Polycomb group (PcG) silencing.At present, however, it is

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Denture of patients with diabetes (review)

In article results of the state-of-the-art review of literature are provided.It is shown that dental orthopedic rehabilitation of patients with diabetes is considerable difficulties because of a number of pathological manifestations knife case in an oral cavity.It is indicated the need of holding preventive actions before prosthetics.And the choice

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Technical and economic evaluation of triethylene glycol regeneration process using flash gas as stripping gas in a domestic natural gas dehydration unit

Abstract Natural gas from an underground reservoir is typically saturated with water vapor.Removal of this water vapor is required in the gas processing to avoid serious problems.This study investigated the technical and economic aspects of a triethylene glycol (TEG) regeneration unit in a domestic natural gas processing plant.This study aims to im

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