Literature DB >> 3622736

Sperm chymotrypsin-like enzymes of different inhibitor-susceptibility as lysins in ascidians.

H Yokosawa, T Numakunai, S Murao, S Ishii.   

Abstract

Inhibitory effects of three peptidyl phenylalaninals on fertilization and on chymotrypsin-like enzyme activity of sperm in three species of ascidians were examined. The results suggest that a sperm chymotrypsin-like enzyme is indispensable for the fertilization in each of the ascidians, and that these enzymes have different susceptibilities to inhibitors.

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Year:  1987        PMID： 3622736     DOI： 10.1007/bf01951671

Source DB:  PubMed          Journal:  Experientia        ISSN： 0014-4754


  5 in total

1.  The structure of chymostatin, a chymotrypsin inhibitor.

Authors:  K Tatsuta; N Mikami; K Fujimoto; S Umezawa; H Umezawa
Journal:  J Antibiot (Tokyo)       Date:  1973-11       Impact factor: 2.649

2.  Ascidian sperm chymotrypsin-like enzyme; participation in fertilization.

Authors:  H Sawada; H Yokosawa; M Hoshi; S Ishii
Journal:  Experientia       Date:  1983-04-15

3.  Evidence for participation of sperm proteinases in fertilization of the solitary ascidian, Halocynthia roretzi: effects of protease inhibitors.

Authors:  M Hoshi; T Numakunai; H Sawada
Journal:  Dev Biol       Date:  1981-08       Impact factor: 3.582

4.  Evidence for the participation of two sperm proteases, spermosin and acrosin, in fertilization of the ascidian, Halocynthia roretzi: inhibitory effects of leupeptin analogs on enzyme activities and fertilization.

Authors:  H Sawada; H Yokosawa; T Someno; T Saino; S Ishii
Journal:  Dev Biol       Date:  1984-09       Impact factor: 3.582

5.  Purification and characterization of two types of trypsin-like enzymes from sperm of the ascidian (Prochordata) Halocynthia roretzi. Evidence for the presence of spermosin, a novel acrosin-like enzyme.

Authors:  H Sawada; H Yokosawa; S Ishii
Journal:  J Biol Chem       Date:  1984-03-10       Impact factor: 5.157
  5 in total

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