Vitelline Envelope of Bufo arenarum: Biochemical and Biological Characterization1

Barisone, Gustavo A.; Hedrick, Jerry L.; Cabada, Marcelo O.

doi:10.1095/biolreprod66.4.1203

Cited by 23 publications

(35 citation statements)

References 36 publications

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“…Individual envelope ZP glycoproteins were separated and purified by preparative SDS-PAGE (Gerton et al, 1982). Envelopes from other anuran eggs have been isolated and characterized (Barisone et al, 2002;Caputo et al, 2005;Peavy and Carroll, 1993;, as well as the CE obtained from body cavity eggs after oviduct ligation (Grey et al, 1977). The methods used for X. laevis envelope preparation were applied in principle to isolation of the ZP from pig eggs (Dunbar et al, 1980).…”

Section: Isolation and Biochemical Compositionmentioning

confidence: 99%

Anuran and pig egg zona pellucida glycoproteins in fertilization and early development

Hedrick

2008

Int. J. Dev. Biol.

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The envelope surrounding the eggs of all animals has many biological functions in fertilization and development. This review focuses on the anuran egg envelope in terms of its biochemistry, biophysics, structural biology and function in sperm-egg interactions and early development (embryo hatching). Egg envelopes from Xenopus laevis are among the most studied of the anurans, and are the central theme of this review. Comparisons of Xenopus laevis envelopes with those of other anurans and with pig egg envelopes are also included. This article presents historical as well as contemporary comparative perspectives on molecular and cellular mechanisms of sperm-egg envelope binding, block to polyspermy, envelope hardening, and hatching.

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Section: Isolation and Biochemical Compositionmentioning

confidence: 99%

Anuran and pig egg zona pellucida glycoproteins in fertilization and early development

Hedrick

2008

Int. J. Dev. Biol.

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“…Binding of sperm to the vitelline envelope at fertilization is a universal event among animal species (Dan, '67;Vacquier and Moy, '77;Bleil et al, '88;Vacquire et al, '95;Tian et al, '97a;Nakai et al, '99;Vaccaro et al, 2001;Barisone et al, 2002). In vertebrates, it is caused by sperm binding to ZP proteins, which are components of the vitelline envelope or zona pellucida.…”

Section: Discussionmentioning

confidence: 99%

“…The acrosome reaction is induced at the vitelline envelope in anuran amphibians such as Bufo and Xenopus (Yoshizaki and Katagiri, '82;Barisone et al, 2002;Ueda et al, 2002), and in the zona pellucida, which is comparable to the vitelline envelope, in mice and other mammals. However, the acrosome reaction is induced during the passage of sperm through egg jelly in the primitive anuran amphibian, Discoglossus, and urodeles, Pleurodeles and Cynops (Picheral, '77;Campanella et al, '97;Nakai et al, '99;Onitake et al, 2000), as in echinoderms.…”

Section: Discussionmentioning

confidence: 99%

“…In anuran amphibians, such as Bufo and Xenopus, the acrosome reaction and the sperm binding occur at the vitelline envelope (Yoshizaki and Katagiri, '82;Tian et al, '97a,b;Vo and Hedrick, 2000;Ueda et al, 2002;Barisone et al, 2002;Vo et al, 2003) as in mammals (Bleil and Wassarman,'80;Bleil et al,'88;Wassarman and Litscher,'99). In contrast, the sperm acrosome reaction is induced in the outer region of egg jelly in the newts, Pleurodeles waltlii (Picheral,'77) and Cynops pyrrhogaster (Sasaki et al, 2002).…”

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Egg jelly of the newt, Cynops pyrrhogaster contains a factor essential for sperm binding to the vitelline envelope

et al. 2007

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The acrosome reaction of newt sperm is induced at the surface of egg jelly and the acrosome-reacted sperm acquire the ability to bind to the vitelline envelope. However, because the substance that induces the acrosome reaction has not been identified, the mechanism by which the acrosome-reacted sperm bind to the vitelline envelope remains unclear. We found here that a Dolichos biforus agglutinin (DBA) specifically mimicked the acrosome reaction immediately upon its addition in the presence of milimolar level Ca(2+). Fluorescein isothiocyanate-labeled DBA bound specifically to the acrosomal cap of the intact sperm in the presence of a Ca(2+)-chelating agent, EDTA, suggesting that binding of DBA to the native receptor for the egg jelly substance on the acrosomal region took the place of the egg jelly substance-induced acrosome reaction. In contrast, the sperm that had been acrosome reacted by DBA treatment did not bind to the vitelline envelope of the egg whose jelly layers were removed. Subsequent addition of jelly extract caused the sperm binding to vitelline envelope, indicating that the egg jelly of the newt contains substances that are involved in not only inducing the acrosome reaction but also binding to the vitelline envelope. This is the first demonstration of the involvement of egg jelly substance in the binding of acrosome-reacted sperm to the vitelline envelope.

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“…3; Yoshizaki and Katagiri, 1982;Barisone et al ., 2002;Ueda et al ., 2002). In Bufo arenarum , the acrosomal vesicle is maintained in the egg-jelly substance (Arranz and Cabada, 2000), and the sperm acrosome reaction is induced at the vitelline envelope.…”

Section: System Equipped For Internal Fertilization In the Newt Egg-coatmentioning

confidence: 99%

The Urodele Egg-Coat as the Apparatus Adapted for the Internal Fertilization

Watanabe

Onitake

2002

Zoological Science

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Fertilization is a significant event for reproducing offspring. It is achieved under a species-specific environment, which influences the conditions to assure the successful fertilization in some cases. Several studies about the basic mechanism of fertilization suggest that the fertilization mechanism is modified among species to be suited for the fertilization environment. In amphibians, many anurans undergo external fertilization while most urodeles do internal fertilization. An amphibian egg is surrounded by egg-coats, which are composed of vitelline envelope and layered egg-jelly. They are significant as fields for the sperm-egg interaction at fertilization. The fertilization processes that take place in the egg-coats are supposed to be easily influenced by the fertilization environment, because they, especially egg-jelly, are exposed to the surroundings at fertilization. In the present article, we describe the fertilization system equipped in newt egg-coats. Newt sperm are stored in spermatheca that exists in cloaca of a female and directly inseminated on the surface of egg-jelly. Sperm motility and acrosome reaction are induced in the outermost portion of the egg-jelly. Motion of the moving sperm becomes vigorous in the egg-jelly and sperm are guided to vitelline envelope by the aid of egg-jelly structure. Most of the sperm passing through the egg-jelly, as the result, has been induced acrosome reaction and those sperm can bind to the vitelline envelope to contribute to the successful fertilization. This fertilization system has a distinct feature from the known system in species undergoing external fertilization. The feature of the system in the newt egg-jelly is discussed with the view to achieving the successful fertilization in the internal environment.

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Vitelline Envelope of Bufo arenarum: Biochemical and Biological Characterization1

Cited by 23 publications

References 36 publications

Anuran and pig egg zona pellucida glycoproteins in fertilization and early development

Anuran and pig egg zona pellucida glycoproteins in fertilization and early development

Egg jelly of the newt, Cynops pyrrhogaster contains a factor essential for sperm binding to the vitelline envelope

The Urodele Egg-Coat as the Apparatus Adapted for the Internal Fertilization

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