当前位置：
X-MOL 学术
›
Ecol. Evol.
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
Current and time‐lagged effects of climate on innate immunity in two sympatric snake species
Ecology and Evolution ( IF 2.3 ) Pub Date : 2021-02-16 , DOI: 10.1002/ece3.7273 Lucia L Combrink 1 , Anne M Bronikowski 2 , David A W Miller 3 , Amanda M Sparkman 1
中文翻译：
气候对两种同域蛇种先天免疫的当前和滞后影响
更新日期：2021-04-04
Ecology and Evolution ( IF 2.3 ) Pub Date : 2021-02-16 , DOI: 10.1002/ece3.7273 Lucia L Combrink 1 , Anne M Bronikowski 2 , David A W Miller 3 , Amanda M Sparkman 1
Affiliation
|
- Changing environments result in alterations at all levels of biological organization, from genetics to physiology to demography. The increasing frequency of droughts worldwide is associated with higher temperatures and reduced precipitation that can impact population persistence via effects on individual immune function and survival.
- We examined the effects of annual climate variation on immunity in two sympatric species of garter snakes from four populations in California over a seven‐year period that included the record‐breaking drought.
- We examined three indices of innate immunity: bactericidal competence (BC), natural antibodies (NABs), and complement‐mediated lysis (CL).
- Precipitation was the only climatic variable explaining variation in immune function: spring precipitation of the current year was positively correlated to Thamnophis sirtalis BC and NABs, whereas spring precipitation of the previous year was positively correlated to T. elegans BC and NABs. This suggests that T. elegans experiences a physiological time‐lag in response to reduced precipitation, which may reflect lack of capital for investment in immunity in the year following a dry year.
- In general, our findings demonstrate compelling evidence that climate can influence wild populations through effects on physiological processes, suggesting that physiological indices such as these may offer valuable opportunities for monitoring the effects of climate.
中文翻译：
气候对两种同域蛇种先天免疫的当前和滞后影响
环境的变化会导致生物组织各个层面的改变，从遗传学到生理学再到人口统计学。全球干旱频率的增加与气温升高和降水减少有关，这可能通过影响个体免疫功能和生存来影响种群的持续存在。
我们研究了七年期间每年气候变化对加利福尼亚州四个种群的两种同域袜带蛇免疫力的影响，其中包括破纪录的干旱。
我们检查了先天免疫的三个指标：杀菌能力（BC）、天然抗体（NAB）和补体介导的裂解（CL）。
降水量是解释免疫功能变化的唯一气候变量：当年春季降水量与Thamnophis Sirtalis BC 和 NABs 呈正相关，而上一年春季降水量与T. elegans BC 和 NABs 呈正相关。这表明线虫对降水减少的反应存在生理时滞，这可能反映出干旱年份后一年缺乏免疫投资资金。
总的来说，我们的研究结果提供了令人信服的证据，表明气候可以通过影响生理过程来影响野生种群，这表明诸如此类的生理指标可能为监测气候影响提供宝贵的机会。
京公网安备 11010802027423号