太湖水域蓝藻水华对纹沼螺性腺畸变的影响

doi:10.19640/j.cnki.jtau.2020.01.010

天津农学院学报 ›› 2020, Vol. 27 ›› Issue (1): 44-49.doi: 10.19640/j.cnki.jtau.2020.01.010

太湖水域蓝藻水华对纹沼螺性腺畸变的影响

郑晓楠¹, 王红宇¹, 吕湘琳¹, 王茜¹, 齐红莉^{1、通信作者}, 安立会²

1. 天津农学院水产学院天津市水产生态及养殖重点实验室,天津300384;
2. 中国环境科学研究院,北京 100012

收稿日期:2019-04-17 发布日期:2020-04-01
通讯作者: 齐红莉（1978-）,女,副教授,硕士,主要从事水生态毒理学及原生动物学的研究。E-mail：qihl2000@163.com。
作者简介:郑晓楠（1994-）,女,硕士在读,主要从事原生动物学的研究。E-mail：zxn66199@163.com。
基金资助:
天津市科委自然基金项目（17JCYBJC29800,15JCYBJC23900）; 中国海洋大学重点实验室开放课题（KLM2018003）

Study on imposex of Parafossarulus striatulus during Cyanobacterial blooms stage of Taihu Lake

ZHENG Xiao-nan¹, WANG Hong-yu¹, LÜ Xiang-lin¹, WANG Qian¹, QI Hong-li^{1,Corresponding Author}, AN Li-hui²

1. Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China;
2. Chinese Research Academy of Environmental Sciences, Beijing 100012, China

Received:2019-04-17 Published:2020-04-01

摘要/Abstract

摘要： 为探讨太湖蓝藻水华期对纹沼螺（Parafossarulus striatulus）生殖系统在形态和组织结构方面的影响,试验采用组织解剖学和常规石蜡切片的方法,研究了苏州湾（SZ）、贡湖（GH）、梅梁湾（ML）、竺山湾（ZS）4个位点蓝藻水华期与非水华期纹沼螺雄、雌性个体的生殖系统结构。结果表明,4个位点蓝藻水华期较非水华期的雄性纹沼螺在外形上缺少阴茎导管。通过观察性腺组织切片,发现蓝藻水华期雄性纹沼螺的精原细胞、精母细胞、精细胞和精子数量在4个采样点均有不同程度的减少。其中,在蓝藻水华期苏州湾和梅梁湾2个采样点的雄性纹沼螺的性畸变程度差别不明显,但高于竺山湾,性畸变程度最低的是贡湖。蓝藻水华期和非水华期的雌性纹沼螺在外部形态和性腺组织结构上差别不明显。

关键词: 太湖, 水华期, 纹沼螺, 性腺畸变

Abstract: To explore the change of reproductive system in morphology and tissue structure of Parafossarulus striatulus during the cyanophyterial blooms of Taihu Lake, this study examined the reproductive system structure of male and female of Parafossarulus striatulus during the cyanophyterial blooms stage and non-blooms stage in the Suzhou Bay（SZ）, Gonghu（GH）, Meiliang Bay（ML）, and Zhushan Bay（ZS）by the methods of anatomy and routine paraffin section. The results showed that the males lacked penile ducts in appearance during the cyanophyterial blooms stage. Respectively, the numbers of spermatogonium, spermatocyte, spermatid, spermatozoa of cyanophyterial blooms stage were reduced by observing the gonadal tissue sections. There was no significant difference in the degree of imposex between the two sampling sites in Suzhou Bay（SZ）and Meiliang Bay（ML）during cynobacterial blooms stage of Taihu Lake, while the degree of imposex was higher than Zhushan Bay（ZS）, and Gonghu（GH）was the lowest. There was no significant difference in morphology and gonadal tissue structure between the two groups of female Parafossarulus striatulus .

Key words: Taihu Lake, cyanophyterial blooms stage, Parafossarulus striatulus, imposex

中图分类号:

S931.1

郑晓楠, 王红宇, 吕湘琳, 王茜, 齐红莉, 安立会. 太湖水域蓝藻水华对纹沼螺性腺畸变的影响[J]. 天津农学院学报, 2020, 27(1): 44-49.

ZHENG Xiao-nan, WANG Hong-yu, LÜ Xiang-lin, WANG Qian, QI Hong-li, AN Li-hui. Study on imposex of Parafossarulus striatulus during Cyanobacterial blooms stage of Taihu Lake[J]. Journal of Tianjin Agricultural University, 2020, 27(1): 44-49.

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http://xuebao.tjau.edu.cn/CN/Y2020/V27/I1/44

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太湖水域蓝藻水华对纹沼螺性腺畸变的影响

Study on imposex of Parafossarulus striatulus during Cyanobacterial blooms stage of Taihu Lake

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