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Xenopus laevis lectin is localized at several sites in Xenopus oocytes, eggs, and embryos.
Roberson MM
,
Barondes SH
.
Abstract
The endogenous lectin of Xenopus laevis oocytes, unfertilized eggs, and blastula-stage embryos was immunohistochemically localized using a highly specific antiserum. Each tissue was examined with several techniques, including paraformaldehyde or glutaraldehyde fixation, frozen or plastic sections, and immunofluorescence or immunoperoxidase staining. In oocytes and unfertilized eggs, lectin was detected in association with yolk platelets, cortical granules, and the vitelline envelope. In embryos, cortical granules had disappeared and lectin was found in the cleavage furrows between the embryonic cells. The distribution of the lectin suggests that it plays more than one role in this developing system.
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