RNA In Situ Hybridization and Immunohistochemistry to Visualize Gene Expression in Peripheral Chemosensory Tissues of Mosquitoes.

RNA In Situ Hybridization and Immunohistochemistry to Visualize Gene Expression in Peripheral Chemosensory Tissues of Mosquitoes.
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RNA 原位杂交和免疫组织化学可视化蚊子外周化学感应组织中的基因表达。

DOI:
10.1101/pdb.top107700
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发表时间:
2023
影响因子:
--
通讯作者:
Greppi,Chloe
Greppi,Chloe
中科院分区:
--
文献类型:
--
作者:
Herre,Margaret;Greppi,Chloe

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蚊子传播的疾病,如疟疾、寨卡病毒和登革热病毒是对人类的威胁。虽然许多蚊子物种不被人类吸引,也不以血液为食,但叮咬人类的雌性蚊子强烈地被人类吸引,并使用化学感觉线索来识别适合吸血的宿主。蚊子需要血液成分来繁殖,这使它们成为血液传播疾病的极好载体。三个属(库蚊,按蚊和伊蚊)负责大多数这些疾病找到宿主使用他们的外周感觉器官。这些器官包括触角、下颚须和长鼻。这三种都含有不同的高度敏感的神经元群体,这些神经元表达可以检测气味、温度、化学物质和味觉的感觉受体。虽然这些器官是必不可少的主机寻找行为,导致叮咬,他们的小尺寸和厚的外角质层可以阻碍典型的组织化学分析。本文就外周感觉器官在蚊虫行为中的作用作一简要综述。然后,我们介绍了如何调查他们的基因表达谱使用免疫组织化学和RNA原位方法的整体安装和冰冻切片准备。
Mosquito-borne diseases such as malaria, Zika virus, and dengue virus are a menace to the human population. Although many mosquito species are not attracted to humans and do not feed on blood, human-biting female mosquitoes are strongly attracted to people and use chemosensory cues to identify a suitable host for a blood meal. Mosquitoes need blood components to reproduce, rendering them excellent vectors for blood-borne diseases. The three genera (Culex, Anopheles, and Aedes) responsible for most of these diseases find hosts by using their peripheral sensory organs. These organs include the antennae, maxillary palps, and proboscis. All three contain diverse populations of highly sensitive neurons that express sensory receptors that can detect odorants, temperature, chemicals, and tastants. Although these organs are essential to the host-seeking behavior that results in biting, their small size and thick outer cuticle can hinder typical histochemical analyses. Here, we briefly review the role the peripheral sensory organs play in mosquito behavior. Then, we introduce how to investigate their gene expression profiles using immunohistochemical and RNA in situ approaches for both whole-mount and frozen-section preparations.
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