海洋科学2025，Vol.49Issue(1)：14-20,7.DOI:10.11759/hykx20240126001
文蛤产后能量代谢变化分析
Analysis of the energy metabolism-related changes in the clam Meretrix petechialis after spawning
摘要
Abstract
The reproductive process in animals is a life activity that requires significant amounts of energy.To in-vestigate the potential differences in energy metabolism between the male and female clams Meretrix petechialis after spawning,we monitored their physiological indicators at regular intervals and analyzed the glycogen and glu-cose levels in the foot tissues,as well as the activities of key rate-limiting enzymes involved in sugar metabolism.Our findings revealed that the oxygen consumption,ammonia excretion,feeding,and fecal excretion rates after spawning were higher in female clams compared to males,indicating an enhanced reproductive cost and increased energy intake to restore the physiological state.Both females and males consistently exhibited oxygen-nitrogen ratios>24 after spawning,signifying carbohydrates and fats as the primary metabolic substrates.Glucose levels elevated rapidly after spawning and then gradually returned to normal,indicating dynamic changes and recovery processes of sugar compounds after spawning.The activity of hexokinase in males and females remained relatively stable before and after spawning.However,that of phosphofructokinase in females declined markedly after spawn-ing,suggesting a specific suppression of carbohydrate metabolism.These findings provide insights into the differ-ential impacts of reproduction on energy metabolism between genders and have implications for sustainable clam aquaculture.关键词
文蛤/生殖/性别差异/生理指标/糖代谢Key words
Meretrix petechialis/reproduction/gender differences/physiological index/carbohydrate metabolism分类
生物学引用本文复制引用
张双丽,王鸿霞,刘保忠..文蛤产后能量代谢变化分析[J].海洋科学,2025,49(1):14-20,7.基金项目
现代农业产业技术体系(CARS-49)和山东省泰山产业领军专项资助 the National Modern Agricultural Industry Technology System,No.CARS-49 （CARS-49）
Taishan Industrial Leading Talents Project to Shandong Province （）
