Morphological and Developmental Traits of the Binucleation of Male Accessory Gland Cells in the Benthic Water Bug, Aphelocheirus vittatus (Hemiptera: Aphelochiridae)
Morphological and Developmental Traits of the Binucleation of Male Accessory Gland Cells in the Benthic Water Bug, Aphelocheirus vittatus (Hemiptera: Aphelochiridae)
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底栖水蝽，Aphelocheirus vittatus（半翅目：Aphelochiridae）雄性副腺细胞双核的形态和发育特征
DOI：
10.1093/jisesa/ieaa082
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发表时间：
2020
影响因子：
2.2
通讯作者：
Adachi-Yamada Takashi
中科院分区：
文献类型：
--
作者：
Takeda Koji;Yamauchi Jun;Adachi-Yamada Takashi
昆虫的雄性附腺(MAG)是一对(S)内部生殖器官，产生和分泌精液的血浆成分。在各种昆虫中，MAG的大小对雄性繁殖成功很重要，因为这种液体为雌性提供生理活性物质和/或营养，以控制精子和雌性生殖行为。虽然大多数昆虫的MAG上皮细胞是标准的单核细胞，但一些昆虫分类群中的MAG上皮细胞是双核的，这是由于细胞质分裂不完全(如果蝇[Fallén][双翅目：果蝇科])或细胞融合(如Cimex[Linneeus][半翅目：Cimicidae])。对于果蝇来说，摄取营养后，两个核团相对于上皮面的顶底位置从垂直变为水平，这使得MAG腔的体积有效地扩大。另一方面，在Cimex的情况下，两个核团的位置不会因摄食而改变，但它们相对于近端远端轴的位置取决于管状/球形器官的形态。在此，我们报道了底栖水蚤Aphelocheirus vittatus(MatSumura)(半翅目：Aphelochiridae)的MAG显示在所有的上皮细胞中都有双核。尽管Aphelocheirus和Cimex在系统发育上有密切关系，但Aphelocheirus的MAG细胞在摄食后两个核的位置显示出类似果蝇的顶基位置的变化。此外，双核过程中的细胞学过程更类似于果蝇(不完全胞质分裂)，而不是Cimex(细胞融合)。这些结果表明，MAG细胞中双核的生理作用和机制在半翅目的进化过程中发生了变化。
The male accessory glands (MAGs) in insects are pair(s) of internal reproductive organs that produce and secrete the plasma component of seminal fluid. In various insects, MAG size is important for male reproductive success because the fluid provides physiologically active substances and/or nutrients to females to control sperm as well as female reproductive behaviors. Although the MAG epithelial cells in most insect species are standard mononucleate cells, those in some insect taxa are binucleate due to incomplete cytokinesis (e.g.,Drosophila[Fallén] [Diptera: Drosophilidae]) or cell fusion (e.g.,Cimex[Linnaeus] [Hemiptera: Cimicidae]). In the case ofDrosophila, the apicobasal position of the two nuclei relative to the epithelial plane changes from vertical to horizontal after nutrient intake, which allows the volume of the MAG cavity to expand effectively. On the other hand, in the case ofCimex, the positions of the two nuclei do not change apicobasally in response to feeding, but their position relative to the proximodistal axis varies depending on the tubular/spherical organ morphology. Here, we report that the MAG of the benthic water bugAphelocheirus vittatus(Matsumura) (Hemiptera: Aphelochiridae) shows binucleation in all epithelial cells. Despite the phylogenetically close relationship betweenAphelocheirusandCimex, the MAG cells inAphelocheirusshowed aDrosophila-like apicobasal change in the position of the two nuclei in response to feeding. Furthermore, the cytological processes during binucleation are more similar to those inDrosophila(incomplete cytokinesis) than to those inCimex(cell fusion). These results indicate that the physiological role and mechanism of binucleation in MAG cells changed during the evolution of Hemiptera.
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DOI：
10.1079/cabicompendium.19947
发表时间：
2022
期刊：
CABI Compendium
影响因子：
--
作者：
Shunji Suzuki
通讯作者：
Shunji Suzuki
影响因子：
2.6
作者：
K. Ravi Ram;M. Wolfner
通讯作者：
K. Ravi Ram;M. Wolfner
不对称性的缺失：独科甲虫的进化（昆虫纲：鞘翅目：步甲科）
影响因子：
1.5
作者：
K. Will;J. Liebherr;D. Maddison;J. Galián
通讯作者：
J. Galián
男性性装饰的大小与生殖形态呈正相关，并在茎眼射telepopsis dalmanni中增强了生育能力。
影响因子：
3.4
作者：
Rogers, David W.;Denniff, Matthew;Chapman, Tracey;Fowler, Kevin;Pomiankowski, Andrew
通讯作者：
Pomiankowski, Andrew
常见臭虫 Cimex lectularius 雄性副腺细胞的双核
影响因子：
4.6
作者：
Takeda Koji;Yamauchi Jun;Miki Aoi;Kim Daeyun;Leong Xin-Yeng;Doggett Stephen L.;Lee Chow-Yang;Adachi-Yamada Takashi
通讯作者：
Adachi-Yamada Takashi