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Formation, architecture and polarity of female germline cyst in Xenopus.
TLDR
The studies indicate that the processes responsible for the formation of female germline cysts and the establishment of germ cell polarity are highly conserved between invertebrates and vertebrates. Expand
The Balbiani body and germ cell determinants: 150 years later.
TLDR
The Balbiani body (Bb) in various animal species is described and it is revealed that the molecular composition of pole plasm, polar granules, nuage, and sponge bodies in Drosophila has been deduced from mutational and functional analyses and indirect genetic approaches. Expand
Three-dimensional ultrastructural analysis of RNA distribution within germinal granules of Xenopus.
TLDR
There is a dynamic three-dimensional architecture to the germinal granule distribution within the METRO region of the cloud and the distribution of RNAs on the granules in oocytes and embryos, which indicates that association of specific RNAs with the gerMinal granules is not a prerequisite for their serving a germ cell function; however, it may be related to their state of translational repression. Expand
RNA localization and germ cell determination in Xenopus.
TLDR
The different aspects of RNA localization in Xenopus in the context of the differentiation of the germ cells and the development of the oocyte polarity are discussed. Expand
The targeting of Xcat2 mRNA to the germinal granules depends on a cis-acting germinal granule localization element within the 3'UTR.
TLDR
It is demonstrated that the Xcat 3'UTR contains a compound localization element consisting of a general element targeting the RNA to the mitochondrial cloud and a second element responsible for targeting to the germinal granules within the cloud, the first example of a localization element involved in targeting an mRNA to a specific subcellular target such as the germination granules. Expand
Mouse early oocytes are transiently polar: three-dimensional and ultrastructural analysis.
TLDR
It is concluded that the polarity of early oocytes imposed by the position of the centrioles at the cytoplasmic bridges is a fundamental and ancestral feature across the animal kingdom. Expand
The sex ratio distortion in the human head louse is conserved over time
TLDR
A female bias of head lice in a survey of 480 school children in Argentina is reported, which is a remarkable deviation from the stability of frequency-dependent selection of Fisher's sex ratio. Expand
Sm proteins, the constituents of the spliceosome, are components of nuage and mitochondrial cement in Xenopus oocytes.
TLDR
This study found that, in Xenopus pre-stage I and stage I oocytes, nuage and mitochondrial cement contain the spliceosomal Sm proteins, Xcat2 mRNA, and DEAD-box RNA helicase XVLG1, which suggests involvement of nuage in the microRNA and/or RNAi pathway, similar to the role ofnuage in Drosophila. Expand
Potential structural role of non-coding and coding RNAs in the organization of the cytoskeleton at the vegetal cortex of Xenopus oocytes
TLDR
A novel structural role of coding and noncoding RNAs is demonstrated in the organization of the vegetal cortex of Xenopus oocytes using molecular beacons and it is shown that these RNAs are integrated into the cytokeratin cytoskeleton. Expand
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