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G. A. Pearson and E. A. Serrao, “Revisiting Synchronous Gamete Release by Fucoid Algae in the Intertidal Zone: Fertilization Success and Beyond?” Integrative and Comparative Biology, Vol. 46, No. 5, 2006, pp. 587-597. HUdoi:10.1093/icb/icl030U
has been cited by the following article:
TITLE: Understanding the Mechanism of Gamete Release in Sargassum vulgare C. Agardh
AUTHORS: Inderdeep Kaur, Reeta Kumari
KEYWORDS: Gamete Release; Mesochiton Stalk; Oogonium Incubation; Propagule Dispersal; Sargassum vulgare
JOURNAL NAME: American Journal of Plant Sciences, Vol.3 No.9, September 27, 2012
ABSTRACT: Sargassum vulgare C. Agardh shows androgynous receptacles, each bearing on an average 12 unisexual conceptacles which open outside by ostiole, and wherein gametangia (antheridia or oogonia) lie interspersed with paraphyses. Since out-put of eggs is extremely low, 4 - 6 per female conceptacle, Sargassum sp. ensures its survival under all eco-physiological conditions. The released oogonium is “wrapped” in sulphated polysaccharide-rich wall layer known to provide protection against desiccation. Oogonia after being “extruded” out of ostiole, are “incubated” on receptacle, where they grow into eggs that are easily contacted by spermatozoids. Gamete release is synchronous and almost simultaneous ensuring high rates of fertilization. The release occurs on days falling near a full moon or new moon, during low tides when conceptacles lie exposed. Gamete release occurs first from upper conceptacles, which “house” mature gametangia while lower ones are still developing. This results in gamete release over an extended period of time. The zygote dispersal and propagule recruitment also show adaptations selectively advantageous for the alga.
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