PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11091081-4 2000 In the ovary, vas is expressed strongly in oogonia to diplotene oocytes and becomes localized as patches in auxocytes and then strong signals are uniformly distributed in the cytoplasm of previtellogenic oocytes, followed by a decrease from vitellogenic to postvitellogenic oocytes. diplotene 54-63 vasa Drosophila melanogaster 14-17