Oogenesis and egg development in triatomines: a biochemical approach
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Academia Brasileira de Ciências
2005
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| _version_ | 1876453193751199744 |
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| author | Katia C. Gondim |
| author_facet | Katia C. Gondim |
| contents | Oogenesis and egg development in triatomines: a biochemical approach Katia C. Gondim Ednildo A. Machado Marcelo N. Medeiros Mário A.C. Silva-Neto Hatisaburo Masuda Georgia C. Atella Multidisciplinaria (Ciencias Naturales y Exactas) oogenesis triatomines embryogenesis vitellogenesis Rhodnius prolixus ABSTRACTIn triatomines, as well as in other insects, accumulation of yolk is a process in which an extra-ovarian tissue,the fat body, produces yolk proteins that are packed in the egg. The main protein, synthesized by the fatbody, which is accumulated inside the oocyte, is vitellogenin. This process is also known as vitellogenesis.There are growing evidences in triatomines that besides fat body the ovary also produces yolk proteins. Theway these yolk proteins enter the oocyte will be discussed. Yolk is a complex material composed of proteins,lipids, carbohydrates and other minor components which are packed inside the oocyte in an organized manner.Fertilization triggers embryogenesis, a process where an embryo will develop. During embryogenesis theyolk will be used for the construction of a new individual, the first instar nymph. The challenge for thenext decade is to understand how and where these egg proteins are used up together with their non-proteincomponents, in pace with the genetic program of the embryo, which enables cell differentiation (early phaseof embryogenesis) and embryo differentiation (late phase) inside the egg. 2005 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32777305 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.3 Vol.77 |
| format | Artículo científico |
| id | redalyc_32777305 |
| institution | Redalyc |
| language | en |
| publishDate | 2005 |
| publisher | Academia Brasileira de Ciências |
| spellingShingle | Oogenesis and egg development in triatomines: a biochemical approach Katia C. Gondim Multidisciplinaria (Ciencias Naturales y Exactas) oogenesis triatomines embryogenesis vitellogenesis Rhodnius prolixus Oogenesis and egg development in triatomines: a biochemical approach Katia C. Gondim Ednildo A. Machado Marcelo N. Medeiros Mário A.C. Silva-Neto Hatisaburo Masuda Georgia C. Atella Multidisciplinaria (Ciencias Naturales y Exactas) oogenesis triatomines embryogenesis vitellogenesis Rhodnius prolixus ABSTRACTIn triatomines, as well as in other insects, accumulation of yolk is a process in which an extra-ovarian tissue,the fat body, produces yolk proteins that are packed in the egg. The main protein, synthesized by the fatbody, which is accumulated inside the oocyte, is vitellogenin. This process is also known as vitellogenesis.There are growing evidences in triatomines that besides fat body the ovary also produces yolk proteins. Theway these yolk proteins enter the oocyte will be discussed. Yolk is a complex material composed of proteins,lipids, carbohydrates and other minor components which are packed inside the oocyte in an organized manner.Fertilization triggers embryogenesis, a process where an embryo will develop. During embryogenesis theyolk will be used for the construction of a new individual, the first instar nymph. The challenge for thenext decade is to understand how and where these egg proteins are used up together with their non-proteincomponents, in pace with the genetic program of the embryo, which enables cell differentiation (early phaseof embryogenesis) and embryo differentiation (late phase) inside the egg. 2005 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32777305 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.3 Vol.77 |
| title | Oogenesis and egg development in triatomines: a biochemical approach |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) oogenesis triatomines embryogenesis vitellogenesis Rhodnius prolixus |
| url | https://www.redalyc.org/articulo.oa?id=32777305 |