Two distinct aphid diapause strategies: slow development or development arrest

IF 2.3 2区 农林科学 Q1 ENTOMOLOGY Journal of insect physiology Pub Date : 2023-09-19 DOI:10.1016/j.jinsphys.2023.104569
Roma Durak , Martyna Materowska , Beata Borowiak-Sobkowiak , Sławomir Bartoszewski
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Abstract

Aphids adapt to unfavourable environmental conditions, such as low temperatures in winter, by laying diapausing eggs that overwinter. Diapause is a stress-resistant and developmentally arrested stage that can be adopted in order to increase the chance of survival in adverse environmental conditions. The diapause process of aphids is still very poorly understood. We followed the development of two species of aphids, Brachycorynella asparagi and Appendiseta robiniae, using the immunostained embryos of the aphids to identify mitotic cell divisions. Two different models of aphid diapause were demonstrated for the first time. In the first strategy, the embryo developed continuously during winter diapause, while in the second case, there was an embryonic arrest. The possibility of slow development of the whole body during diapause is a characteristic feature of aphids. The link to the plant's phenology appears to be a key factor in determining the diapause strategy in aphids.

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两种不同的蚜虫滞育策略:缓慢发育或发育停滞。
蚜虫通过产卵越冬来适应不利的环境条件,例如冬季的低温。滞育是一个抵抗压力和发育停滞的阶段,可以采取这种方式来增加在不利环境条件下的生存机会。人们对蚜虫滞育的过程还知之甚少。我们跟踪了两种蚜虫的发育,即天门冬短棒状杆菌和知更附,使用免疫染色的蚜虫胚胎来鉴定有丝分裂细胞。首次展示了两种不同的蚜虫滞育模型。在第一种策略中,胚胎在冬季滞育期间持续发育,而在第二种情况下,胚胎出现停滞。滞育期间全身发育缓慢的可能性是蚜虫的一个特征。与植物酚系的联系似乎是决定蚜虫滞育策略的关键因素。
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来源期刊
Journal of insect physiology
Journal of insect physiology 生物-昆虫学
CiteScore
4.50
自引率
4.50%
发文量
77
审稿时长
57 days
期刊介绍: All aspects of insect physiology are published in this journal which will also accept papers on the physiology of other arthropods, if the referees consider the work to be of general interest. The coverage includes endocrinology (in relation to moulting, reproduction and metabolism), pheromones, neurobiology (cellular, integrative and developmental), physiological pharmacology, nutrition (food selection, digestion and absorption), homeostasis, excretion, reproduction and behaviour. Papers covering functional genomics and molecular approaches to physiological problems will also be included. Communications on structure and applied entomology can be published if the subject matter has an explicit bearing on the physiology of arthropods. Review articles and novel method papers are also welcomed.
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