ORIGINAL RESEARCH article
Front. Microbiol.
Sec. Microbial Symbioses
Volume 16 - 2025 | doi: 10.3389/fmicb.2025.1616681
Dynamics in gut microbiota diversity, composition, and assembly reveal the adaptability of invasive snail Pomacea canaliculata during hibernation in rice fields
Provisionally accepted
- South China Agricultural University, Guangzhou, China
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The gut microbiota plays a crucial role in host immunity and metabolism and may facilitate the adaptation of invasive species to new environments. During hibernation, gut microbial communities undergo compositional shifts to help the hosts cope with low temperatures and food scarcity.However, the dynamics of gut microbiota during hibernation in invasive animals remain poorly understood. Here, we conducted an in situ hibernation experiment on the invasive freshwater snail Pomacea canaliculata to investigate changes in its gut microbiota over the course of hibernation. Gut samples were collected at pre-hibernation (day 0) and on the 15th, 30th, 60th, 90th, and 120th days of hibernation, followed by 16S rRNA gene sequencing. Results showed that the survival rate of snails reached 85.7% after 120 days. The Shannon diversity index of gut microbiota increased with the duration of hibernation. Although species richness remained relatively stable, increased evenness led to higher alpha diversity. After 60 days of hibernation, the structure of gut microbial community changed. The dominant phylum shifted from Firmicutes to Bacteroidota (formerly Bacteroidetes) as hibernation progressed. Short chain fatty acids (SCFAs) producing genera such as Acetobacteroides, Bacteroides, Macellibacteroides, and Cetobacterium increased in abundance during hibernation, likely providing an energy source for both gut and host. Gut microbiota changes appeared to be driven largely by stochastic assembly processes. Additionally, the anaerobic bacteria and potential pathogens increased in abundance during hibernation. These adaptive shifts in gut microbiota may help maintain host metabolic and immune functions during hibernation and potentially contribute to the invasiveness of P. canaliculata. vital 删除[Yao]: , 删除[Yao]: changes 删除[Yao]: aid the host in coping 删除[Yao]: research on 删除[Yao]: dynamics 删除[Yao]: s 删除[Yao]: limited 删除[Yao]: 字体: 倾斜 设置格式[Yao]: the dynamics of its 删除[Yao]: changes 删除[Yao]: during 删除[Yao]: We collected 删除[Yao]: g 删除[Yao]: from snails 删除[Yao]: 0 删除[Yao]: at 删除[Yao]: for 删除[Yao]: of hibernation was as high as 85.71% 删除[Yao]:
Keywords: Invasive Alien Species, Pomacea canaliculata, Gut Microbiota, Hibernation, community assembly
Received: 23 Apr 2025; Accepted: 24 Jun 2025.
Copyright: © 2025 Yao, Li, Chen, Zhang, Shi and Qin. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Jiaen Zhang, South China Agricultural University, Guangzhou, China
Zhong Qin, South China Agricultural University, Guangzhou, China
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