Abstract Background An oocyte undergoes two rounds of asymmetric division to generate a haploid gamete and two small polar bodies designed for apoptosis.Chromosomes play important roles in specifying the asymmetric meiotic divisions in the oocytes but the underlying mechanism is poorly understood.Results Chromosomes independently induce spindle for

To solve the problem that in the system wide information management (SWIM) network,the SWIM service provider suffers from SWIM service interruption,service delay increase or service quality degradation due to malicious attack or self-failure.Therefore,a proactive migration model of SWIM service was proposed on the basis of situation awareness,which

Very Facial Skin Care Sets And Kits little is known about the molecules regulating the interaction between plants and ectomycorrhizal fungi during root colonization.The role of fungal auxin in ectomycorrhiza has repeatedly been suggested and questioned, suggesting that, if fungal auxin controls some steps of colonized root development, its activity

Developmental stability, the ability of an individual to eliminate environmental disturbances while expressing a heritable phenotypic trait, was compared in two walnut (Juglans regia L.) populations, a natural and an artificial.Bilateral leaf morphometrics were used to estimate fluctuating asymmetry which refers to random deviation from perfect sym

Many neurons display bistability--coexistence of two firing modes such as bursting and tonic spiking or tonic spiking and silence.Bistability has Hand Treatments been proposed to endow neurons with richer forms of information processing in general and to be involved in short-term memory in particular by allowing a brief signal to elicit long-lastin