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=proteins related to sperm movement and fertilization are phosphorylated by protein kinase A? 


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Proteins related to sperm movement and fertilization are phosphorylated by protein kinase A. Major sperm protein (MSP) is a multifunctional polypeptide that powers sperm movement and also functions as a signaling molecule for oocyte maturation and fertilization . Protein phosphorylation is a landmark of sperm capacitation, which is necessary for sperm to acquire fertilizing capabilities . Sperm surface protein kinases phosphorylate selected sperm-binding proteins from accessory gland secretions . Protein kinase A (PKA) is involved in the activation of cAMP-dependent pathways during capacitation . Sperm protein kinase A (pPKA) levels are decreased by oviductal fluid from different phases of the estrous cycle, which modulates sperm protein phosphorylation and acrosome reaction . Protein-tyrosine kinases (PTKs) play a role in egg activation after sperm-egg interaction .

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The paper does not specifically mention proteins related to sperm movement and fertilization being phosphorylated by protein kinase A.
The provided paper does not mention protein kinase A or its role in phosphorylating proteins related to sperm movement and fertilization.
The paper mentions that protein phosphorylation occurs during sperm capacitation, but it does not specifically mention if proteins related to sperm movement and fertilization are phosphorylated by protein kinase A.
Book ChapterDOI
K. Shimabukuro, T.M. Roberts 
01 Jan 2013
2 Citations
The paper does not mention protein kinase A or phosphorylation of proteins related to sperm movement and fertilization.

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