Abstract
The Persian sturgeon ova are a key material both for inevitable artificial propagation and for caviar production. In this study, the proteome profile of Persian sturgeon ova was analyzed using 2-DE and MALDI-TOF/TOF in order to determine its protein composition. Out of 192 spots analyzed with MALDI-TOF/TOF, 107 spots corresponding to 73 different proteins were identified. The identified proteins were classified into 11 groups with regard to their main known function involving cell structure (24.65%), translation and transcription (12.32%), metabolism and energy production (12.32%), protein synthesis (9.60%), membrane protein receptors or cell signaling (8.21%), cell defense (5.47%), transport (5.47%), cell division (8.21%), vitellogenin (2.73%), unclassified (6.84%) and unknown function (4.10%). The results of this study provide a valuable resource for molecular analysis of normal and abnormal conditions affecting female reproduction. Moreover, it may help to better understand factors affecting caviar quality during refrigerated storage.
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