红叶蚁工蚁亚类血细胞形态研究(膜翅目:蚁科)。

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Arthropod Structure & Development Pub Date : 2023-09-01 DOI:10.1016/j.asd.2023.101301
Lidia Aparecida Dourado , Leandro Licursi Oliveira , Ana Paula Pereira Raimundo , Jamile Fernanda Silva Cossolin , Jacineumo Falcão de Oliveira , José Eduardo Serrão
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引用次数: 0

摘要

血细胞是存在于昆虫血淋巴中的细胞,在对抗入侵病原体方面发挥作用,确保这些生物体的免疫系统防御。虽然血细胞的类型在一些昆虫代表中是众所周知的,但膜翅目中关于这些细胞的数据仅限于某些蜜蜂和黄蜂,而蚂蚁的信息很少。在蚂蚁中,阿塔属具有环境和经济重要性,形成了由蚁后和工蚁组成的高度组织化的群落,工蚁又细分为亚类:园丁、废物清除者、觅食者和士兵,它们暴露在不同的病原体中。本研究描述了红曲霉工蜂亚壳血细胞的形态。将蚂蚁的血淋巴样本进行光、共聚焦和扫描电子显微镜分析。在所有蚂蚁亚类的血淋巴中鉴定出五种类型的血细胞,包括血原细胞、卵细胞样细胞、球细胞、浆细胞和粒细胞。它们的细胞核以去致密染色质为主。粒细胞是亚壳细胞中最丰富的细胞类型,其次是血原细胞、浆细胞、类酿酒细胞和球细胞。吞噬细胞测定显示浆细胞和粒细胞是所有评估种姓的主要吞噬细胞。这项研究填补了理解这种蚂蚁的免疫反应的一个重要空白。
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Hemocyte morphology of worker subcastes of the leaf-cutting ant Atta sexdens rubropilosa (Hymenoptera: Formicidae)

Hemocytes are cells present in the hemolymph of insects that play a role in combating invasive pathogens, ensuring defense by the immune system in these organisms. While the types of hemocytes are well known in some insect representatives, data on these cells in Hymenoptera are limited to certain bees and wasps, with little information available for ants. Among ants, the genus Atta has environmental and economic importance, forming highly organized colonies consisting of the queen and workers, with the latter subdivided into subcastes: gardeners, waste removers, foragers, and soldiers, which are exposed to different pathogens. This study describes the morphology of hemocytes in the worker subcastes of Atta sexdens rubropilosa. Hemolymph samples from the ant were submitted to light, confocal, and scanning electron microscopy analyses. Five types of hemocytes were identified in the hemolymph of all ant subcastes, including prohemocytes, oenocytoids, spherulocytes, plasmatocytes, and granulocytes. They exhibited nuclei with a predominance of decondensed chromatin. The granulocytes were the most abundant cell type in the subcastes, followed by prohemocytes, plasmatocytes, oenocytoids, and spherulocytes. Phagocytosis assays reveal that plasmatocytes and granulocytes are the main phagocytic cells in all castes evaluated. This study fills an important gap in understanding the immune response in this ant species.

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来源期刊
CiteScore
3.50
自引率
10.00%
发文量
54
审稿时长
60 days
期刊介绍: Arthropod Structure & Development is a Journal of Arthropod Structural Biology, Development, and Functional Morphology; it considers manuscripts that deal with micro- and neuroanatomy, development, biomechanics, organogenesis in particular under comparative and evolutionary aspects but not merely taxonomic papers. The aim of the journal is to publish papers in the areas of functional and comparative anatomy and development, with an emphasis on the role of cellular organization in organ function. The journal will also publish papers on organogenisis, embryonic and postembryonic development, and organ or tissue regeneration and repair. Manuscripts dealing with comparative and evolutionary aspects of microanatomy and development are encouraged.
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