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Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata

The polychaetous annelid Neanthes acuminata complex has a widespread distribution, with the California population referred to as N. arenaceodentata. The reproductive pattern in this complex is unique, in that the female reproduces once and then dies, whereas the male can reproduce up to nine times....

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Autores principales: Chandramouli, Kondethimmanahalli H., Reish, Donald, Zhang, Huoming, Qian, Pei-Yuan, Ravasi, Timothy
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4559745/
https://www.ncbi.nlm.nih.gov/pubmed/26337980
http://dx.doi.org/10.1038/srep13561
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author Chandramouli, Kondethimmanahalli H.
Reish, Donald
Zhang, Huoming
Qian, Pei-Yuan
Ravasi, Timothy
author_facet Chandramouli, Kondethimmanahalli H.
Reish, Donald
Zhang, Huoming
Qian, Pei-Yuan
Ravasi, Timothy
author_sort Chandramouli, Kondethimmanahalli H.
collection PubMed
description The polychaetous annelid Neanthes acuminata complex has a widespread distribution, with the California population referred to as N. arenaceodentata. The reproductive pattern in this complex is unique, in that the female reproduces once and then dies, whereas the male can reproduce up to nine times. The male incubates the embryos until the larvae leave the male’s tube 21–28 days later and commences feeding. Reproductive success and protein expression patterns were measured over the nine reproductive periods. The percent success of the male in producing juveniles increased during the first three reproductive periods and then decreased, but the number of juveniles produced was similar through all nine periods. iTRAQ based quantitative proteomics were used to analyze the dynamics of protein expression patterns. The expression patterns of several proteins were found to be altered. The abundant expression of muscular and contractile proteins may have affected body weight and reproductive success. Sperm have never been observed; fertilization occurs within the parent’s tube. Proteins associated with sperm maturation and fertilization were identified, including ATPase, clathrin, peroxiredoxins and enolase, which may provide clues to the molecular mechanisms enabling males to reproduce multiple times.
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spelling pubmed-45597452015-09-11 Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata Chandramouli, Kondethimmanahalli H. Reish, Donald Zhang, Huoming Qian, Pei-Yuan Ravasi, Timothy Sci Rep Article The polychaetous annelid Neanthes acuminata complex has a widespread distribution, with the California population referred to as N. arenaceodentata. The reproductive pattern in this complex is unique, in that the female reproduces once and then dies, whereas the male can reproduce up to nine times. The male incubates the embryos until the larvae leave the male’s tube 21–28 days later and commences feeding. Reproductive success and protein expression patterns were measured over the nine reproductive periods. The percent success of the male in producing juveniles increased during the first three reproductive periods and then decreased, but the number of juveniles produced was similar through all nine periods. iTRAQ based quantitative proteomics were used to analyze the dynamics of protein expression patterns. The expression patterns of several proteins were found to be altered. The abundant expression of muscular and contractile proteins may have affected body weight and reproductive success. Sperm have never been observed; fertilization occurs within the parent’s tube. Proteins associated with sperm maturation and fertilization were identified, including ATPase, clathrin, peroxiredoxins and enolase, which may provide clues to the molecular mechanisms enabling males to reproduce multiple times. Nature Publishing Group 2015-09-04 /pmc/articles/PMC4559745/ /pubmed/26337980 http://dx.doi.org/10.1038/srep13561 Text en Copyright © 2015, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Chandramouli, Kondethimmanahalli H.
Reish, Donald
Zhang, Huoming
Qian, Pei-Yuan
Ravasi, Timothy
Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata
title Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata
title_full Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata
title_fullStr Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata
title_full_unstemmed Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata
title_short Proteomic Changes Associated with Successive Reproductive Periods in Male Polychaetous Neanthes arenaceodentata
title_sort proteomic changes associated with successive reproductive periods in male polychaetous neanthes arenaceodentata
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4559745/
https://www.ncbi.nlm.nih.gov/pubmed/26337980
http://dx.doi.org/10.1038/srep13561
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