Male Accessory Gland Protein Reduces Egg Laying in a Simultaneous Hermaphrodite

J M Koene; W Sloot; K Montagne-Wajer; Scott F Cummins; B M Degnan; John S Smith; G T Nagle; A ter Maat

doi:10.1371/journal.pone.0010117

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Male Accessory Gland Protein Reduces Egg Laying in a Simultaneous Hermaphrodite

Journal article

Open access

Peer reviewed

Male Accessory Gland Protein Reduces Egg Laying in a Simultaneous Hermaphrodite

J M Koene, W Sloot, K Montagne-Wajer, Scott F Cummins, B M Degnan, John S Smith, G T Nagle and A ter Maat

PLoS One, Vol.5(4), e10117

2010

DOI: https://doi.org/10.1371/journal.pone.0010117

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Abstract

seminal fluid

hermaphrodite

reproduction

Seminal fluid is an important part of the ejaculate of internally fertilizing animals. This fluid contains substances that nourish and activate sperm for successful fertilization. Additionally, it contains components that influence female physiology to further enhance fertilization success of the sperm donor, possibly beyond the recipient's optimum. Although evidence for such substances abounds, few studies have unraveled their identities, and focus has been exclusively on separate-sex species. We present the first detailed study into the seminal fluid composition of a hermaphrodite (Lymnaea stagnalis). Eight novel peptides and proteins were identified from the seminal-fluid-producing prostate gland and tested for effects on oviposition, hatching and consumption. The gene for the protein found to suppress egg mass production, Ovipostatin, was sequenced, thereby providing the first fully-characterized seminal fluid substance in a simultaneous hermaphrodite. Thus, seminal fluid peptides and proteins have evolved and can play a crucial role in sexual selection even when the sexes are combined.

Details

Title: Male Accessory Gland Protein Reduces Egg Laying in a Simultaneous Hermaphrodite
Authors: J M Koene (Author) - VU University Amsterdam, Netherlands
W Sloot (Author) - VU University Amsterdam, Netherlands
K Montagne-Wajer (Author) - VU University Amsterdam, Netherlands
Scott F Cummins (Author) - University of Queensland
B M Degnan (Author) - University of Queensland
John S Smith (Author) - University of Texas, United States
G T Nagle (Author) - University of Georgia, United States
A ter Maat (Author) - Max-Planck-Institute for Ornithology, Germany
Publication details: PLoS One, Vol.5(4), e10117; 7
Publisher: Public Library of Science
Date published: 2010
DOI: 10.1371/journal.pone.0010117
ISSN: 1932-6203
Copyright note: Copyright © 2010 Koene et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This published version is reproduced in accordance with this policy.
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99449762802621
Output Type: Journal article

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Web Of Science research areas: Zoology

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