Sperm basic nuclear proteins in the bivalve mollusc mesodesma donacium: characterization and comparison with histone-like and protamine-like proteins of other molluscs
Author
dc.contributor.author
Galindo, Mario
Author
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Rodriguez, Héctor
Author
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Olivares, Carlos
Admission date
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2018-12-20T15:09:09Z
Available date
dc.date.available
2018-12-20T15:09:09Z
Publication date
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1992
Cita de ítem
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Comparative Biochemistry and Physiology -- Part B: Biochemistry and, Volumen 102, Issue 4, 1992, Pages 947-952
Identifier
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03050491
Identifier
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10.1016/0305-0491(92)90107-3
Identifier
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https://repositorio.uchile.cl/handle/2250/157958
Abstract
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1. 1. The sperm nuclei of the marine bivalve mollusc Mesodesma donacium contain four somatic-type histones (H2A, H2B, H3 and H4), one sperm histone H1-like and a sperm-specific protein, named by us M1. 2. 2. The histone H1-like is soluble in 5% perchloric acid and rich in lysine (32.8%). 3. 3. The sperm-specific protein (M1) presents a high content of lysine (27.9%) and a low content of arginine (5.5%) in comparison to the related proteins of the other bivalves. It has a clear trypsin-resistant core. 4. 4. We compared our results with previous data on bivalve sperm protein.
Comparative Biochemistry and Physiology -- Part B: Biochemistry and
Keywords
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Physiology
Keywords
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Biochemistry
Keywords
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Molecular biology
Título
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Sperm basic nuclear proteins in the bivalve mollusc mesodesma donacium: characterization and comparison with histone-like and protamine-like proteins of other molluscs