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In order to satisfy the preconditions of scale-free network distribution, we need to explore the value of the adjacency matrix weight parameter: It is worth noting that the immunity genes co-express with reproductive genes provide a safe microenvironment for the sperm to develop as well as to fertilize oocyte in germ free environment. Bottlenose Dolphin Adenovirus 1. Another probable role of those genes could be assumed as generating a suitable environment in female reproductive tract to select specific X or Y bearing spermatozoa [ 22 ]. This makes the almost complete substitution of histone based nucleosomal and histone based structure with protamine based structure. Duration of spermatogenesis in the mouse and timing of stages of the cycle of the seminiferous epithelium.

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Table KEGG pathway annotations list.

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Then we mapped DEGs into module genes selected previously, we finally found 67 genes which had dual features: We also screened gene modules in Sus scrofa by using same method and parameters as in Bos taurus. Asymmetric spermatocyte division as a mechanism for controlling sex ratios. Semen extending and equilibration seems to be responsible for a significant portion of the proteome changes related to cryopreservation technology. Construction of co-expression network of shared genes We calculated expression correlation coefficient of 67 interested genes and ticked out gene pairs whose correlation coefficient below 0. A particular type of preprocessing is termed as normalization that accounts for systematic difference across different datasets. It is worth noting that the immunity genes co-express with reproductive genes provide a safe microenvironment for the sperm to develop as well as to fertilize oocyte in germ free environment.








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