温度升高对隐腹蚁细菌群落的影响。

IF 1.7 4区 生物学 Q3 BIOLOGY
Biology Open Pub Date : 2025-08-15 DOI:10.1242/bio.062145
Lily A Kelleher, Manuela O Ramalho
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引用次数: 0

摘要

研究表明,生物多样性将受到全球气候变化的影响,对蚂蚁的影响才刚刚开始被记录下来。然而,这种对蚂蚁共生细菌群落的影响仍未得到充分研究。Aphaenogaster Mayr, 1853,是落叶林中散播种子的蚂蚁,它们的细菌群落刚刚被发现;然而,还有很多未知之处。我们的目标是确定变暖的温度将对芽孢杆菌的生存及其细菌群落的影响。在美国宾夕法尼亚州西切斯特采集4个蚁群,整个蚁群置于22°C的控制温度下。6-12个月后,将相同的菌落置于实验温度(32°C)下。然后从所有发育阶段的蚂蚁中提取DNA,按照NGS扩增子方法扩增16S rRNA基因并测序。研究结果表明,随着温度的升高,食蚜蚁的死亡率增加,它们的共生细菌群落也发生了变化。这导致沃尔巴克氏体(Wolbachia spp.)的存在减少,棒状杆菌(Corynebacterium sp.)的存在增加。该研究揭示了温度升高对食蚜蚁影响的重要信息,并提出了未来帮助保护这些蚂蚁和其他昆虫的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Impact of rising temperatures on the bacterial communities of Aphaenogaster ants.

Impact of rising temperatures on the bacterial communities of Aphaenogaster ants.

Impact of rising temperatures on the bacterial communities of Aphaenogaster ants.

Impact of rising temperatures on the bacterial communities of Aphaenogaster ants.

Studies have shown that biodiversity will be impacted by global climate change, with the effect on ants just beginning to be documented. The influence on ant symbiotic bacterial communities remains understudied. Aphaenogaster Mayr, 1853, are seed-dispersing ants in deciduous forests and their bacterial communities have just been uncovered; however, much is unknown. We aim to determine the impact that warming temperatures will have on Aphaenogaster survival and on their bacterial communities. Ants from four colonies were collected from West Chester, PA, USA and entire colonies were subjected to a control temperature (22°C). After 6-12 months, the same colonies were subjected to an experimental temperature (32°C). DNA was then extracted from ants of all development stages and the 16S rRNA gene was amplified and sequenced following the NGS amplicon approach. The findings revealed that Aphaenogaster ant mortality rates increased, and their symbiotic bacterial communities changed in warmer temperatures. This resulted in a decrease in the presence of Wolbachia spp. and an increase in the presence of Corynebacterium sp. This study reveals important information about the impact of warming temperature on Aphaenogaster ants, and we suggest methods to help protect these ants and other insects in the future.

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来源期刊
Biology Open
Biology Open BIOLOGY-
CiteScore
3.90
自引率
0.00%
发文量
162
审稿时长
8 weeks
期刊介绍: Biology Open (BiO) is an online Open Access journal that publishes peer-reviewed original research across all aspects of the biological sciences. BiO aims to provide rapid publication for scientifically sound observations and valid conclusions, without a requirement for perceived impact.
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