水虎鱼尾肾的形态学和组织学特征(特征:水虎鱼科)

IF 2 4区 生物学 Q1 ZOOLOGY
Sandriely F. Marcondes, M. Siqueira, Taynara R. F. Leão, Robson A. Rodrigues, Karine N. N. Farias, André L. N. Silva, L. Franco‐Belussi, C. Fernandes
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引用次数: 0

摘要

摘要白皮螺(Pygocentrus nattereri)是新热带地区广泛分布的一种植物,是一种潜在的生物指示物。肾脏在鱼类的生理机能中具有一定的功能,使它们能够在不同的环境中生存。我们的目的是比较男性和女性尾侧肾脏的组织学特征,并将它们与肾体指数(RSI)联系起来。为此,15名男性和14名女性被用于生物识别和组织学分析。评估了结构体积密度(SVD)、肾小体组织测量以及巨噬细胞中含铁血黄素和脂褐素沉积频率。没有观察到性别之间的生物特征差异,但体重和标准身高与RSI相关。在SVD上雌雄造血组织存在差异,而其他结构的密度无差异。相对于远端小管、血管、集管和mm, RSI与造血组织和近端小管密度呈正相关。雌性肾小体面积、肾小球面积、远端小管直径、集合小管面积和集合小管管腔面积均较大。这些差异可能是由于男性和女性之间的代谢差异。性别效应可能在今后对该物种代谢和免疫的研究中定义准时的差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Morphological and histometric features of the caudal kidney in piranha Pygocentrus nattereri (Characiformes: Serrasalmidae)
Abstract Pygocentrus nattereri is a widely distributed species in the Neotropical region and a potential bio-indicator. Kidneys have functions in fish physiology, allowing them to live in different environments. We aimed to compare the histological characteristics of caudal kidneys between males and females, associating them with the renosomatic index (RSI). For this purpose, 15 males and 14 females were used for biometric and histological analyses. Structural volumetric density (SVD), renal corpuscle histometric measures, and hemosiderin and lipofuscin deposit frequency in macrophages melanogenic (MMs) were assessed. No biometric differences were observed between the sexes, but body weight and standard length were correlated with RSI. The SVD showed difference in hematopoietic tissue between female and males, whereas the density of the other structures was not different. The RSI was positively associated with hematopoietic tissue and proximal tubule density in contrast to distal tubules, blood vessels, collecting ducts and MMs. Females exhibited a higher renal corpuscle area, glomerulus area, distal tubule diameter, collecting tubule area, and collecting tubule lumen area. These differences may be due to metabolic differences between males and females. Sex effect in P. nattereri may define punctual differences in future studies on the metabolism and immunity of this species.
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来源期刊
Neotropical Ichthyology
Neotropical Ichthyology 生物-动物学
CiteScore
2.80
自引率
17.60%
发文量
24
审稿时长
6-12 weeks
期刊介绍: Neotropical Ichthyology is the official journal of the Sociedade Brasileira de Ictiologia (SBI). It is an international peer-reviewed Open Access periodical that publishes original articles and reviews exclusively on Neotropical freshwater and marine fishes and constitutes an International Forum to disclose and discuss results of original research on the diversity of marine, estuarine and freshwater Neotropical fishes. -Frequency: Four issues per year published only online since 2020, using the ‘rolling pass’ system, which posts articles online immediately as soon as they are ready for publication. A searchable and citable Digital Object Identifier (DOI) is assigned to each article immediately after online publication, with no need to await the issue’s closing. -Areas of interest: Biology, Biochemistry and Physiology, Ecology, Ethology, Genetics and Molecular Biology, Systematics. -Peer review process: The Editor-in-Chief screens each manuscript submitted to Neotropical Ichthyology to verify whether it is within the journal’s scope and policy, presents original research and follows the journal’s guidelines. After passing through the initial screening, articles are assigned to a Section Editor, who then assigns an Associate Editor to start the single blind review process.
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