Tolerance and response of two honeybee species Apis cerana and Apis mellifera to high temperature and relative humidity
Tolerance and response of two honeybee species Apis cerana and Apis mellifera to high temperature and relative humidity
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DOI：
10.1371/journal.pone.0217921
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发表时间：
2019-06-06
期刊：
影响因子：
3.7
通讯作者：
Jiang, Yusuo
中科院分区：
文献类型：
--
作者：
Li, Xinyu;Ma, Weihua;Jiang, Yusuo
环境温度和相对湿度影响蜜蜂的代谢和生理反应，从而影响其生命活动。然而，蜜蜂由于高温和高湿的生理变化仍然知之甚少。本研究通过对中华蜜蜂（Apis cerana）和意大利蜜蜂（Apis mellifera）在高温高湿环境下的存活率、耐受力和失水量的测定，探讨高温高湿环境对蜜蜂表观生理的影响。我们还评估了它们体内抗氧化酶和解毒酶活性的变化。在较高的温度和湿度条件下，A. mellifera高于A. cerana。另一方面，通过比较两种植物的失水量，发现A. mellifera失去了更多的水分。然而，在极高温度条件下，A. cerana比A.意利费拉。而且，在较高的温度和湿度条件下，蜜蜂体内抗氧化和解毒酶的活性显著提高。总的来说，这些结果表明高温会对蜜蜂产生不利影响。它们不仅影响蜜蜂的生存和水分流失，而且还会刺激蜜蜂的氧化应激。然而，与我们以前的理解不同，高湿度也会对蜜蜂产生不利影响，尽管其影响低于温度。
The ambient temperature and relative humidity affect the metabolic and physiological responses of bees, thus affecting their life activities. However, the physiological changes in bee due to high temperature and high humidity remain poorly understood. In this study, we explored the effects of higher temperature and humidity on the epiphysiology of bees by evaluating the survival, tolerance and body water loss in two bee species (Apis cerana and Apis mellifera). We also evaluated the changes in the activity of antioxidant and detoxification enzymes in their body. We observed that under higher temperature and humidity conditions, the survival rate of A. mellifera was higher than that of A. cerana. On the other hand, a comparison of water loss between the two species revealed that A. mellifera lost more water. However, under extremely high temperature conditions, A. cerana was more tolerant than A. mellifera. Moreover, under higher temperature and humidity conditions, the activity of antioxidant and detoxification enzymes in bees was significantly increased. Overall, these results suggest that high temperatures can adversely affect bees. They not only affect the survival and water loss, but also stimulate oxidative stress in bees. However, unlike our previous understanding, high humidity can also adversely affect bees, although its effects are lower than that of temperature.