The existence of kisspeptin-like peptides and effects on ovarian development and maturation in the giant freshwater prawn Macrobrachium rosenbergii

Tipsuda Thongbuakaew; Jirawat Saetan; Saowaros Suwansa-ard; Wilairat Kankoun; Chanudporn Sumpownon; Ishwar Parhar; Prasert Meeratana; Prasert Sobhon; Prapee Sretarugsa

doi:10.1016/j.aquaculture.2016.01.006

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The existence of kisspeptin-like peptides and effects on ovarian development and maturation in the giant freshwater prawn Macrobrachium rosenbergii

Journal article

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The existence of kisspeptin-like peptides and effects on ovarian development and maturation in the giant freshwater prawn Macrobrachium rosenbergii

Tipsuda Thongbuakaew, Jirawat Saetan, Saowaros Suwansa-ard, Wilairat Kankoun, Chanudporn Sumpownon, Ishwar Parhar, Prasert Meeratana, Prasert Sobhon and Prapee Sretarugsa

Aquaculture, Vol.455, pp.50-62

2016

DOI: https://doi.org/10.1016/j.aquaculture.2016.01.006

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Abstract

kisspeptin

peptides

Macrobrachium rosenbergii

We demonstrated for the first time the existence and distribution of kisspeptin-like peptides (Kiss-l) and their receptors in the central nervous system (CNS) of the giant freshwater prawn, Macrobrachium rosenbergii, and that these peptides could induce the oogonial proliferation, ovarian maturation, and spawning. Using immunohistochemistry, kisspeptin1-like-signal (Kiss1-l signal) was detected in the neurons of clusters 6, 11 and 14/15 and also in olfactory neuropil (ON). Kisspeptin2-like-signal (Kiss2-l signal) was observed in clusters 6, 9, 10, 16 and 17 as well as in the anterior and posterior median protocerebral neuropils (AMPN/PMPN), ON, central body (CB), protocerebral bridge (PB), and olfactory globular tract (OGT). In the subesophageal (SEG) and thoracic ganglia (TG), both Kiss1-l and Kiss2-l signals were detected in some neurons of dorsolateral cluster (DLC), ventromedial cluster (VMC) and also in fibers of associated neuropils. In abdominal ganglia (AG), Kiss1-l signal was detected in some neuronal clusters, whereas Kiss2-l signal was detected only in fibers of the AG. Functional bioassays demonstrated that both Kiss1- and Kiss2-treated prawns showed significantly shortened ovarian cycle (16±1.63 and 22.86±1.07 days) compared with the control (36±2 days). Moreover, both Kisses significantly increased the numbers of oogonial proliferation and spawned eggs, while the percentages of fertilized eggs in all treated groups were not significantly different from the control. These findings suggest that Kisses are highly conserved peptides that may also exist in the prawns and control their oogonial proliferation and ovarian maturation.

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Title: The existence of kisspeptin-like peptides and effects on ovarian development and maturation in the giant freshwater prawn Macrobrachium rosenbergii
Authors: Tipsuda Thongbuakaew (Author) - Mahidol University, Thailand
Jirawat Saetan (Author) - Mahidol University, Thailand
Saowaros Suwansa-ard (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Wilairat Kankoun (Author) - Mahidol University, Thailand
Chanudporn Sumpownon (Author) - Mahidol University, Thailand
Ishwar Parhar (Author) - Monash University
Prasert Meeratana (Author) - Burapha University, Thailand
Prasert Sobhon (Author) - Mahidol University, Thailand
Prapee Sretarugsa (Author) - Mahidol University, Thailand
Publication details: Aquaculture, Vol.455, pp.50-62
Publisher: Elsevier BV
Date published: 2016
DOI: 10.1016/j.aquaculture.2016.01.006
ISSN: 0044-8486
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; Centre for Bioinnovation
Language: English
Record Identifier: 99449307502621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Fisheries; Marine & Freshwater Biology

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