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DOI: 10.1369/jhc.3B6141.2004
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Journal of Histochemistry and Cytochemistry
Volume 52 (6): 833-836, 2004
Copyright ©The Histochemical Society, Inc.

BRIEF REPORT

Electron Microscopic Cytochemistry of Adenylyl Cyclase Activity in Mouse Spermatozoa

Lavinia Liguori, Maria Grazia Rambotti, Ilaria Bellezza and Alba Minelli

Dipartimento di Scienze Biochimiche Biotecnologie Molecolari, Sezione Biochimica Cellulare (LL,IB,AM), e Dipartimento di Medicina Sperimentale (MGR), Sezione Anatomia Umana, Università di Perugia, Perugia, Italia

Correspondence to: Alba Minelli, PhD, MD, Dipartimento Scienze Biochimiche Biotecnologie, Molecolari Sezione Biochimica Cellulare, Via del Giochetto, 06123 Perugia, Italia. E-mail: albaminelli{at}virgilio.it

We investigated adenylyl cyclase activity of mouse spermatozoa by electron microscopic cytochemistry. Subcellular localization of enzyme activity was determined in the presence and absence of bicarbonate ions. Results confirm the existence in sperm of a bicarbonate-regulated adenylyl cyclase, which suggests microdomain signaling.

(J Histochem Cytochem 52:833–836, 2004)

Key Words: adenylyl cyclase • mouse spermatozoa • localization • electron microscopy


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[Abstract] [Full Text] [PDF]



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