Cover Image

Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand

Histopathological examination is a widely acknowledged technique to assess the reproductive health of aquatic organisms, but it has never been applied to the tunicate Styela plicata, a potential indicator species of water quality. In this study, we examined the oocyte differentiation of S. plica...

Full description

Saved in:
Bibliographic Details
Main Authors: Senarat S.,, Kettratad J.,, Boonyoung P.,, Jiraungkoorskul W.,, Kato, F., Mongkolchaichan E.,, Kaneko G.,, Poolprasert P.,
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2021
Online Access:http://journalarticle.ukm.my/16395/1/10.pdf
http://journalarticle.ukm.my/16395/
https://www.ukm.my/jsm/malay_journals/jilid50bil1_2021/KandunganJilid50Bil1_2021.html
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-ukm.journal.16395
record_format eprints
spelling my-ukm.journal.163952021-04-13T03:35:36Z http://journalarticle.ukm.my/16395/ Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand Senarat S., Kettratad J., Boonyoung P., Jiraungkoorskul W., Kato, F. Mongkolchaichan E., Kaneko G., Poolprasert P., Histopathological examination is a widely acknowledged technique to assess the reproductive health of aquatic organisms, but it has never been applied to the tunicate Styela plicata, a potential indicator species of water quality. In this study, we examined the oocyte differentiation of S. plicata obtained from the eastern coast of the Gulf of Thailand in order to provide basic information for future assessment of its reproductive health. The mature gonad of S. plicata comprised several ovo-testicular convoluted tubes, in which each tube was divided into apical and terminal portions. The ovarian tissue is located in the apical part of the tunicate body and contained oocytes of various differentiation stages (asynchronous development type) consisting of the four phases namely oogonial proliferation phase, primary growth phase, secondary growth phase (secondary growth and full-growth stages), and post-ovulatory phase. Changes in the morphology of oocytes and follicular cells were described for each differentiation stage. In addition, we unexpectedly observed a high prevalence of atretic follicles (24.5%), which might indicate the oocyte damage by environmental stresses. These findings would be useful for future assessment of reproductive histology of S. plicata and other tunicate species from environmental perspectives. Penerbit Universiti Kebangsaan Malaysia 2021-01 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/16395/1/10.pdf Senarat S., and Kettratad J., and Boonyoung P., and Jiraungkoorskul W., and Kato, F. and Mongkolchaichan E., and Kaneko G., and Poolprasert P., (2021) Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand. Sains Malaysiana, 50 (1). pp. 93-99. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid50bil1_2021/KandunganJilid50Bil1_2021.html
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Histopathological examination is a widely acknowledged technique to assess the reproductive health of aquatic organisms, but it has never been applied to the tunicate Styela plicata, a potential indicator species of water quality. In this study, we examined the oocyte differentiation of S. plicata obtained from the eastern coast of the Gulf of Thailand in order to provide basic information for future assessment of its reproductive health. The mature gonad of S. plicata comprised several ovo-testicular convoluted tubes, in which each tube was divided into apical and terminal portions. The ovarian tissue is located in the apical part of the tunicate body and contained oocytes of various differentiation stages (asynchronous development type) consisting of the four phases namely oogonial proliferation phase, primary growth phase, secondary growth phase (secondary growth and full-growth stages), and post-ovulatory phase. Changes in the morphology of oocytes and follicular cells were described for each differentiation stage. In addition, we unexpectedly observed a high prevalence of atretic follicles (24.5%), which might indicate the oocyte damage by environmental stresses. These findings would be useful for future assessment of reproductive histology of S. plicata and other tunicate species from environmental perspectives.
format Article
author Senarat S.,
Kettratad J.,
Boonyoung P.,
Jiraungkoorskul W.,
Kato, F.
Mongkolchaichan E.,
Kaneko G.,
Poolprasert P.,
spellingShingle Senarat S.,
Kettratad J.,
Boonyoung P.,
Jiraungkoorskul W.,
Kato, F.
Mongkolchaichan E.,
Kaneko G.,
Poolprasert P.,
Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand
author_facet Senarat S.,
Kettratad J.,
Boonyoung P.,
Jiraungkoorskul W.,
Kato, F.
Mongkolchaichan E.,
Kaneko G.,
Poolprasert P.,
author_sort Senarat S.,
title Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand
title_short Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand
title_full Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand
title_fullStr Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand
title_full_unstemmed Oocyte differentiation and reproductive health of solitary tunicate (Styela plicata) from Eastern Coast of Thailand
title_sort oocyte differentiation and reproductive health of solitary tunicate (styela plicata) from eastern coast of thailand
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2021
url http://journalarticle.ukm.my/16395/1/10.pdf
http://journalarticle.ukm.my/16395/
https://www.ukm.my/jsm/malay_journals/jilid50bil1_2021/KandunganJilid50Bil1_2021.html
_version_ 1696977213387177984
score 13.211869

Similar Items